<?xml version="1.0" encoding="us-ascii"?>
<!-- Created by Merrill Corporation -->
<!--Generated by IRIS XBRL Generation Engine-->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureDiscontinuedOperationsDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureDerivativesAndHedgingActivitiesDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureDerivativesAndHedgingActivitiesDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureDerivativesandHedgingActivitiesDetails5" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureDerivativesandHedgingActivitiesDetails5" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCapitalAndRegulatoryMattersDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCapitalAndRegulatoryMattersDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails4" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationDetails4" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails5" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationDetails5" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationTables" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationTables" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureFairValueMeasurementsDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureFairValueMeasurementsDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureFairValueMeasurementsDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureSecuritiesAvailableForSaleDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails7" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureSecuritiesAvailableForSaleDetails7" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails4" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureSecuritiesAvailableForSaleDetails4" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureDerivativesAndHedgingActivitiesDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureDerivativesAndHedgingActivitiesDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureDerivativesandHedgingActivitiesDetails6" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureDerivativesandHedgingActivitiesDetails6" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCondensedParentInformationDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureOtherComprehensiveIncomeDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureOtherComprehensiveIncomeDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockholdersEquityDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockholdersEquityDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCondensedParentInformationDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails10" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails10" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails4" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails4" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails8" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails8" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails11" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails11" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails7" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails7" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails5" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails5" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails6" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails6" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCommitmentsAndContingenciesDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockholdersEquityDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockholdersEquityDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCommitmentsAndContingenciesDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCommitmentsAndContingenciesDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureCondensedParentInformationDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureTroubledAssetReliefCapitalPurchaseProgramDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureTroubledAssetReliefCapitalPurchaseProgramDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails3" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureStockBasedCompensationDetails3" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureEarningsPerShareDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureEarningsPerShareDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureIntangibleAssetsDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureIntangibleAssetsDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureIntangibleAssetsDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureIntangibleAssetsDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureBorrowingsDetails2" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureBorrowingsDetails2" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureJuniorSubordinatedDebenturesIssuedToAffiliatedTrustsDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureJuniorSubordinatedDebenturesIssuedToAffiliatedTrustsDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosureBorrowingsDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosureBorrowingsDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DisclosurePremisesAndEquipmentDetails" xlink:type="simple" xlink:href="nbn-20131231.xsd#DisclosurePremisesAndEquipmentDetails" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/StatementOfStockholdersEquity" xlink:type="simple" xlink:href="nbn-20131231.xsd#StatementOfStockholdersEquity" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/CashFlows" xlink:type="simple" xlink:href="nbn-20131231.xsd#CashFlows" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/BalanceSheet" xlink:type="simple" xlink:href="nbn-20131231.xsd#BalanceSheet" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/BalanceSheetParenthetical" xlink:type="simple" xlink:href="nbn-20131231.xsd#BalanceSheetParenthetical" />
  <link:roleRef roleURI="http://www.northeastbank.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="nbn-20131231.xsd#DocumentAndEntityInformation" />
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureDiscontinuedOperationsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:title="IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:title="StatementOperatingActivitiesSegmentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain" xlink:title="SegmentOperatingActivitiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain" xlink:title="Definition : loc_us-gaap_StatementOperatingActivitiesSegmentAxis to loc_us-gaap_SegmentOperatingActivitiesDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember" xlink:title="SegmentDiscontinuedOperationsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain" xlink:to="loc_us-gaap_SegmentDiscontinuedOperationsMember" xlink:title="Definition : loc_us-gaap_SegmentOperatingActivitiesDomain to loc_us-gaap_SegmentDiscontinuedOperationsMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SummaryOfOperationsAbstract" xlink:label="loc_nbn_SummaryOfOperationsAbstract" xlink:title="SummaryOfOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:label="loc_us-gaap_NoninterestIncomeAbstract" xlink:title="NoninterestIncomeAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_NoninterestIncomeAbstract" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_NoninterestIncomeAbstract" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions" xlink:label="loc_us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions" xlink:title="InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestIncomeAbstract" xlink:to="loc_us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions" xlink:title="Definition : loc_us-gaap_NoninterestIncomeAbstract to loc_us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoninterestExpenseAbstract" xlink:label="loc_us-gaap_NoninterestExpenseAbstract" xlink:title="NoninterestExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense" xlink:title="LaborAndRelatedExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_LaborAndRelatedExpense" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_LaborAndRelatedExpense" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to loc_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="SegmentOperatingActivitiesDomain_1" xlink:title="SegmentOperatingActivitiesDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:to="SegmentOperatingActivitiesDomain_1" xlink:title="Definition : loc_us-gaap_StatementOperatingActivitiesSegmentAxis to loc_us-gaap_SegmentOperatingActivitiesDomain" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_nbn_SummaryOfOperationsAbstract" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_nbn_SummaryOfOperationsAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoninterestIncome" xlink:label="loc_us-gaap_NoninterestIncome" xlink:title="NoninterestIncome" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestIncomeAbstract" xlink:to="loc_us-gaap_NoninterestIncome" xlink:title="Definition : loc_us-gaap_NoninterestIncomeAbstract to loc_us-gaap_NoninterestIncome" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_NoninterestExpenseAbstract" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_NoninterestExpenseAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_us-gaap_OccupancyNet" xlink:title="OccupancyNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_OccupancyNet" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_OccupancyNet" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing" xlink:title="InformationTechnologyAndDataProcessing" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_InformationTechnologyAndDataProcessing" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:title="DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketingExpense" xlink:label="loc_us-gaap_MarketingExpense" xlink:title="MarketingExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_MarketingExpense" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_MarketingExpense" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:title="DiscontinuedOperationTaxEffectOfDiscontinuedOperation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoninterestExpense" xlink:label="loc_us-gaap_OtherNoninterestExpense" xlink:title="OtherNoninterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_OtherNoninterestExpense" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_OtherNoninterestExpense" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:title="IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoninterestExpense" xlink:label="loc_us-gaap_NoninterestExpense" xlink:title="NoninterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestExpenseAbstract" xlink:to="loc_us-gaap_NoninterestExpense" xlink:title="Definition : loc_us-gaap_NoninterestExpenseAbstract to loc_us-gaap_NoninterestExpense" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NortheastBankInsuranceMember" xlink:label="loc_nbn_NortheastBankInsuranceMember" xlink:title="NortheastBankInsuranceMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="loc_nbn_NortheastBankInsuranceMember" xlink:title="Definition : loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to loc_nbn_NortheastBankInsuranceMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VarneyAgencyMember" xlink:label="loc_nbn_VarneyAgencyMember" xlink:title="VarneyAgencyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_nbn_VarneyAgencyMember" xlink:title="Definition : loc_dei_EntityDomain to loc_nbn_VarneyAgencyMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InsuranceCommissionsAndFees" xlink:label="loc_us-gaap_InsuranceCommissionsAndFees" xlink:title="InsuranceCommissionsAndFees" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestIncomeAbstract" xlink:to="loc_us-gaap_InsuranceCommissionsAndFees" xlink:title="Definition : loc_us-gaap_NoninterestIncomeAbstract to loc_us-gaap_InsuranceCommissionsAndFees" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:title="DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:label="loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:title="NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2" xlink:title="DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain_3" xlink:title="EntityDomain_3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis" xlink:to="EntityDomain_3" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoninterestIncomeOther" xlink:label="loc_us-gaap_NoninterestIncomeOther" xlink:title="NoninterestIncomeOther" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoninterestIncomeAbstract" xlink:to="loc_us-gaap_NoninterestIncomeOther" xlink:title="Definition : loc_us-gaap_NoninterestIncomeAbstract to loc_us-gaap_NoninterestIncomeOther" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DiscontinuedOperationIncomeLossFromDiscontinuedOperationIncludingGainLossOnDisposalDuringPhaseOutPeriodBeforeIncomeTax" xlink:label="loc_nbn_DiscontinuedOperationIncomeLossFromDiscontinuedOperationIncludingGainLossOnDisposalDuringPhaseOutPeriodBeforeIncomeTax" xlink:title="DiscontinuedOperationIncomeLossFromDiscontinuedOperationIncludingGainLossOnDisposalDuringPhaseOutPeriodBeforeIncomeTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfOperationsAbstract" xlink:to="loc_nbn_DiscontinuedOperationIncomeLossFromDiscontinuedOperationIncludingGainLossOnDisposalDuringPhaseOutPeriodBeforeIncomeTax" xlink:title="Definition : loc_nbn_SummaryOfOperationsAbstract to loc_nbn_DiscontinuedOperationIncomeLossFromDiscontinuedOperationIncludingGainLossOnDisposalDuringPhaseOutPeriodBeforeIncomeTax" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:title="ProceedsFromDivestitureOfBusinesses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNet" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNet" xlink:title="DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNet" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNet" xlink:type="arc" use="optional" order="8002" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet" xlink:title="DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet" xlink:type="arc" use="optional" order="8003" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DisposalGroupSeveranceAndTransactionCost" xlink:label="loc_nbn_DisposalGroupSeveranceAndTransactionCost" xlink:title="DisposalGroupSeveranceAndTransactionCost" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_nbn_DisposalGroupSeveranceAndTransactionCost" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_nbn_DisposalGroupSeveranceAndTransactionCost" xlink:type="arc" use="optional" order="8004" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" xlink:title="DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" xlink:type="arc" use="optional" order="8005" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfStores" xlink:label="loc_us-gaap_NumberOfStores" xlink:title="NumberOfStores" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_NumberOfStores" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_NumberOfStores" xlink:type="arc" use="optional" order="8006" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:label="loc_us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:title="GainLossOnDispositionOfRealEstateDiscontinuedOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="loc_us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to loc_us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:type="arc" use="optional" order="8007" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureDerivativesAndHedgingActivitiesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:title="DerivativeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable" xlink:title="DerivativeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeTable" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationAxis to loc_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_InterestRateSwapsTerminatingInFebruary2015Member" xlink:label="loc_nbn_InterestRateSwapsTerminatingInFebruary2015Member" xlink:title="InterestRateSwapsTerminatingInFebruary2015Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_nbn_InterestRateSwapsTerminatingInFebruary2015Member" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_nbn_InterestRateSwapsTerminatingInFebruary2015Member" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember" xlink:title="OtherLiabilitiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_OtherLiabilitiesMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_OtherLiabilitiesMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="BalanceSheetLocationDomain_1" xlink:title="BalanceSheetLocationDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="BalanceSheetLocationDomain_1" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationAxis to loc_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_InterestRateSwapsTerminatingInJuly2033Member" xlink:label="loc_nbn_InterestRateSwapsTerminatingInJuly2033Member" xlink:title="InterestRateSwapsTerminatingInJuly2033Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_nbn_InterestRateSwapsTerminatingInJuly2033Member" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_nbn_InterestRateSwapsTerminatingInJuly2033Member" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember" xlink:title="OtherAssetsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_OtherAssetsMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_OtherAssetsMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount" xlink:title="DerivativeNotionalAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_invest_DerivativeNotionalAmount" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_invest_DerivativeNotionalAmount" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_BalanceSheetLocationAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_InterestRateSwapsTerminatingInJuly2028Member" xlink:label="loc_nbn_InterestRateSwapsTerminatingInJuly2028Member" xlink:title="InterestRateSwapsTerminatingInJuly2028Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_nbn_InterestRateSwapsTerminatingInJuly2028Member" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_nbn_InterestRateSwapsTerminatingInJuly2028Member" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DerivativeDescriptionOfVariableRateBasis" xlink:title="DerivativeDescriptionOfVariableRateBasis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeDescriptionOfVariableRateBasis" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeDescriptionOfVariableRateBasis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_InterestRateSwapsTerminatingInJuly2023Member" xlink:label="loc_nbn_InterestRateSwapsTerminatingInJuly2023Member" xlink:title="InterestRateSwapsTerminatingInJuly2023Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_nbn_InterestRateSwapsTerminatingInJuly2023Member" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_nbn_InterestRateSwapsTerminatingInJuly2023Member" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate" xlink:title="DerivativeAverageFixedInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeAverageFixedInterestRate" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeAverageFixedInterestRate" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_InterestRateCapsTerminatingInSeptember2014Member" xlink:label="loc_nbn_InterestRateCapsTerminatingInSeptember2014Member" xlink:title="InterestRateCapsTerminatingInSeptember2014Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_nbn_InterestRateCapsTerminatingInSeptember2014Member" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_nbn_InterestRateCapsTerminatingInSeptember2014Member" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAverageVariableInterestRate" xlink:label="loc_us-gaap_DerivativeAverageVariableInterestRate" xlink:title="DerivativeAverageVariableInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeAverageVariableInterestRate" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeAverageVariableInterestRate" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeCapInterestRate" xlink:label="loc_us-gaap_DerivativeCapInterestRate" xlink:title="DerivativeCapInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeCapInterestRate" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeCapInterestRate" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives" xlink:title="UnrealizedGainLossOnDerivatives" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_UnrealizedGainLossOnDerivatives" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets" xlink:title="DerivativeAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeAssets" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeAssets" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities" xlink:title="DerivativeLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeLiabilities" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeLiabilities" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:title="DerivativeAssetsLiabilitiesAtFairValueNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:type="arc" use="optional" order="10" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureDerivativesandHedgingActivitiesDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:title="DerivativeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable" xlink:title="DerivativeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeTable" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAverageRemainingMaturity1" xlink:label="loc_us-gaap_DerivativeAverageRemainingMaturity1" xlink:title="DerivativeAverageRemainingMaturity1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeAverageRemainingMaturity1" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeAverageRemainingMaturity1" xlink:type="arc" use="optional" order="3" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCapitalAndRegulatoryMattersDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:label="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:title="ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:label="loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:title="ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:title="Definition : loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems to loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember" xlink:title="ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_us-gaap_ParentCompanyMember" xlink:title="Definition : loc_dei_EntityDomain to loc_us-gaap_ParentCompanyMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember" xlink:title="MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MinimumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MinimumMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalAbstract" xlink:label="loc_us-gaap_CapitalAbstract" xlink:title="CapitalAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Capital" xlink:label="loc_us-gaap_Capital" xlink:title="Capital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_Capital" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_Capital" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:label="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:title="TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapital" xlink:label="loc_us-gaap_TierOneRiskBasedCapital" xlink:title="TierOneRiskBasedCapital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapital" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapital" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:label="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:title="TierOneLeverageCapitalToAverageAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapital" xlink:label="loc_us-gaap_TierOneLeverageCapital" xlink:title="TierOneLeverageCapital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapital" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapital" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:label="loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:title="ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:label="loc_nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:title="PurchasedLoansAsPercentageOfAggregateLoans" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:to="loc_nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:title="Definition : loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract to loc_nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_us-gaap_SubsidiariesMember" xlink:title="SubsidiariesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_us-gaap_SubsidiariesMember" xlink:title="Definition : loc_dei_EntityDomain to loc_us-gaap_SubsidiariesMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember" xlink:title="MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MaximumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MaximumMember" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="loc_us-gaap_CapitalAbstract" xlink:title="Definition : loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems to loc_us-gaap_CapitalAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalToRiskWeightedAssets" xlink:label="loc_us-gaap_CapitalToRiskWeightedAssets" xlink:title="CapitalToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_CapitalToRiskWeightedAssets" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_CapitalToRiskWeightedAssets" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:label="loc_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:title="TierOneRiskBasedCapitalToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:label="loc_us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:title="TierOneLeverageCapitalToAverageAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:label="loc_nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:title="PercentageOfLoansFundedWithCoreDeposits" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:to="loc_nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:title="Definition : loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract to loc_nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacy" xlink:label="loc_us-gaap_CapitalRequiredForCapitalAdequacy" xlink:title="CapitalRequiredForCapitalAdequacy" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_CapitalRequiredForCapitalAdequacy" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_CapitalRequiredForCapitalAdequacy" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:title="Definition : loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems to loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:label="loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:title="TierOneRiskBasedCapitalRequiredForCapitalAdequacy" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:label="loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:title="TierOneLeverageCapitalRequiredForCapitalAdequacy" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:label="loc_nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:title="CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:to="loc_nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:title="Definition : loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract to loc_nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="loc_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:title="CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:title="TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:title="Definition : loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems to loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:label="loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:title="TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalized" xlink:label="loc_us-gaap_CapitalRequiredToBeWellCapitalized" xlink:title="CapitalRequiredToBeWellCapitalized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_CapitalRequiredToBeWellCapitalized" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_CapitalRequiredToBeWellCapitalized" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:label="loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:title="TierOneRiskBasedCapitalRequiredToBeWellCapitalized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:label="loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:title="TierOneLeverageCapitalRequiredToBeWellCapitalized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:type="arc" use="optional" order="5" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:title="Definition : loc_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems to loc_nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="loc_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:title="CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalAbstract" xlink:to="loc_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:title="Definition : loc_us-gaap_CapitalAbstract to loc_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:title="TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:title="Definition : loc_nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract to loc_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:label="loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:title="TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:to="loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:title="Definition : loc_nbn_TierOneLeverageCapitalToAverageAssetsAbstract to loc_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:type="arc" use="optional" order="6" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationTechniqueAxis" xlink:label="loc_us-gaap_ValuationTechniqueAxis" xlink:title="ValuationTechniqueAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationTechniqueDomain" xlink:label="loc_us-gaap_ValuationTechniqueDomain" xlink:title="ValuationTechniqueDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis" xlink:to="loc_us-gaap_ValuationTechniqueDomain" xlink:title="Definition : loc_us-gaap_ValuationTechniqueAxis to loc_us-gaap_ValuationTechniqueDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : loc_us-gaap_AwardTypeAxis to loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrancheTypeAxis" xlink:label="loc_nbn_TrancheTypeAxis" xlink:title="TrancheTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrancheTypeDomain" xlink:label="loc_nbn_TrancheTypeDomain" xlink:title="TrancheTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_nbn_TrancheTypeAxis" xlink:to="loc_nbn_TrancheTypeDomain" xlink:title="Definition : loc_nbn_TrancheTypeAxis to loc_nbn_TrancheTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingAxis" xlink:label="loc_nbn_VestingAxis" xlink:title="VestingAxis" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingDomain" xlink:label="loc_nbn_VestingDomain" xlink:title="VestingDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_nbn_VestingAxis" xlink:to="loc_nbn_VestingDomain" xlink:title="Definition : loc_nbn_VestingAxis to loc_nbn_VestingDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_BlackScholesOptionPricingModelMember" xlink:label="loc_nbn_BlackScholesOptionPricingModelMember" xlink:title="BlackScholesOptionPricingModelMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain" xlink:to="loc_nbn_BlackScholesOptionPricingModelMember" xlink:title="Definition : loc_us-gaap_ValuationTechniqueDomain to loc_nbn_BlackScholesOptionPricingModelMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="loc_us-gaap_StockOptionsMember" xlink:title="StockOptionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_StockOptionsMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to loc_us-gaap_StockOptionsMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_StockOptionsWithMarketBasedConditionsMember" xlink:label="loc_nbn_StockOptionsWithMarketBasedConditionsMember" xlink:title="StockOptionsWithMarketBasedConditionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockOptionsMember" xlink:to="loc_nbn_StockOptionsWithMarketBasedConditionsMember" xlink:title="Definition : loc_us-gaap_StockOptionsMember to loc_nbn_StockOptionsWithMarketBasedConditionsMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FirstTrancheMember" xlink:label="loc_nbn_FirstTrancheMember" xlink:title="FirstTrancheMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TrancheTypeDomain" xlink:to="loc_nbn_FirstTrancheMember" xlink:title="Definition : loc_nbn_TrancheTypeDomain to loc_nbn_FirstTrancheMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To29December2015Member" xlink:label="loc_nbn_VestingPeriod29December2010To29December2015Member" xlink:title="VestingPeriod29December2010To29December2015Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To29December2015Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To29December2015Member" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_ValuationTechniqueAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_ValuationTechniqueAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrancheTypeDomain" xlink:label="TrancheTypeDomain_1" xlink:title="TrancheTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_nbn_TrancheTypeAxis" xlink:to="TrancheTypeDomain_1" xlink:title="Definition : loc_nbn_TrancheTypeAxis to loc_nbn_TrancheTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingDomain" xlink:label="VestingDomain_2" xlink:title="VestingDomain_2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_nbn_VestingAxis" xlink:to="VestingDomain_2" xlink:title="Definition : loc_nbn_VestingAxis to loc_nbn_VestingDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_HullWhiteOptionPricingModelMember" xlink:label="loc_nbn_HullWhiteOptionPricingModelMember" xlink:title="HullWhiteOptionPricingModelMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain" xlink:to="loc_nbn_HullWhiteOptionPricingModelMember" xlink:title="Definition : loc_us-gaap_ValuationTechniqueDomain to loc_nbn_HullWhiteOptionPricingModelMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SecondTrancheMember" xlink:label="loc_nbn_SecondTrancheMember" xlink:title="SecondTrancheMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TrancheTypeDomain" xlink:to="loc_nbn_SecondTrancheMember" xlink:title="Definition : loc_nbn_TrancheTypeDomain to loc_nbn_SecondTrancheMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2015To29December2016Member" xlink:label="loc_nbn_VestingPeriod29December2015To29December2016Member" xlink:title="VestingPeriod29December2015To29December2016Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2015To29December2016Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2015To29December2016Member" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_AwardTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_AwardTypeAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ThirdTrancheMember" xlink:label="loc_nbn_ThirdTrancheMember" xlink:title="ThirdTrancheMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TrancheTypeDomain" xlink:to="loc_nbn_ThirdTrancheMember" xlink:title="Definition : loc_nbn_TrancheTypeDomain to loc_nbn_ThirdTrancheMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2016To29December2017Member" xlink:label="loc_nbn_VestingPeriod29December2016To29December2017Member" xlink:title="VestingPeriod29December2016To29December2017Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2016To29December2017Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2016To29December2017Member" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_nbn_TrancheTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_nbn_TrancheTypeAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To29December2016Member" xlink:label="loc_nbn_VestingPeriod29December2010To29December2016Member" xlink:title="VestingPeriod29December2010To29December2016Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To29December2016Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To29December2016Member" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_nbn_VestingAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_nbn_VestingAxis" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To29December2017Member" xlink:label="loc_nbn_VestingPeriod29December2010To29December2017Member" xlink:title="VestingPeriod29December2010To29December2017Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To29December2017Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To29December2017Member" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To28December2015Member" xlink:label="loc_nbn_VestingPeriod29December2010To28December2015Member" xlink:title="VestingPeriod29December2010To28December2015Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To28December2015Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To28December2015Member" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:label="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to loc_nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2015To28December2016Member" xlink:label="loc_nbn_VestingPeriod29December2015To28December2016Member" xlink:title="VestingPeriod29December2015To28December2016Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2015To28December2016Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2015To28December2016Member" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2016To28December2017Member" xlink:label="loc_nbn_VestingPeriod29December2016To28December2017Member" xlink:title="VestingPeriod29December2016To28December2017Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2016To28December2017Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2016To28December2017Member" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To28December2016Member" xlink:label="loc_nbn_VestingPeriod29December2010To28December2016Member" xlink:title="VestingPeriod29December2010To28December2016Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To28December2016Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To28December2016Member" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VestingPeriod29December2010To28December2017Member" xlink:label="loc_nbn_VestingPeriod29December2010To28December2017Member" xlink:title="VestingPeriod29December2010To28December2017Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_VestingDomain" xlink:to="loc_nbn_VestingPeriod29December2010To28December2017Member" xlink:title="Definition : loc_nbn_VestingDomain to loc_nbn_VestingPeriod29December2010To28December2017Member" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:type="arc" use="optional" order="10" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : loc_us-gaap_AwardTypeAxis to loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:title="RestrictedStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to loc_us-gaap_RestrictedStockMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_AwardTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_AwardTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : loc_us-gaap_AwardTypeAxis to loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:title="StockAppreciationRightsSARSMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to loc_us-gaap_StockAppreciationRightsSARSMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_AwardTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_AwardTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xlink:title="Definition : loc_us-gaap_AwardTypeAxis to loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="loc_us-gaap_StockOptionsMember" xlink:title="StockOptionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_StockOptionsMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to loc_us-gaap_StockOptionsMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:title="RestrictedStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to loc_us-gaap_RestrictedStockMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:title="AllocatedShareBasedCompensationExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:type="arc" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:title="ProjectedShareBasedCompensationExpenseYearOne" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:title="ProjectedShareBasedCompensationExpenseYearTwo" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:title="ProjectedShareBasedCompensationExpenseYearThree" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:title="ProjectedShareBasedCompensationExpenseYearFour" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:title="ProjectedShareBasedCompensationExpenseYearFive" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:label="loc_nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:title="ProjectedShareBasedCompensationExpenseYearTotal" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:type="arc" use="optional" order="10" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis" xlink:to="loc_us-gaap_PlanNameDomain" xlink:title="Definition : loc_us-gaap_PlanNameAxis to loc_us-gaap_PlanNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:label="loc_nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:title="NortheastBancorp2010OptionAndIncentivePlanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain" xlink:to="loc_nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:title="Definition : loc_us-gaap_PlanNameDomain to loc_nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_PlanNameAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_PlanNameAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain_1" xlink:title="PlanNameDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis" xlink:to="PlanNameDomain_1" xlink:title="Definition : loc_us-gaap_PlanNameAxis to loc_us-gaap_PlanNameDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:label="loc_nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:title="NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain" xlink:to="loc_nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:title="Definition : loc_us-gaap_PlanNameDomain to loc_nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="arc" use="optional" order="3" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationTechniqueAxis" xlink:label="loc_us-gaap_ValuationTechniqueAxis" xlink:title="ValuationTechniqueAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationTechniqueDomain" xlink:label="loc_us-gaap_ValuationTechniqueDomain" xlink:title="ValuationTechniqueDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis" xlink:to="loc_us-gaap_ValuationTechniqueDomain" xlink:title="Definition : loc_us-gaap_ValuationTechniqueAxis to loc_us-gaap_ValuationTechniqueDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_BlackScholesOptionPricingModelMember" xlink:label="loc_nbn_BlackScholesOptionPricingModelMember" xlink:title="BlackScholesOptionPricingModelMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain" xlink:to="loc_nbn_BlackScholesOptionPricingModelMember" xlink:title="Definition : loc_us-gaap_ValuationTechniqueDomain to loc_nbn_BlackScholesOptionPricingModelMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="loc_us-gaap_ValuationTechniqueAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to loc_us-gaap_ValuationTechniqueAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationTechniqueDomain" xlink:label="ValuationTechniqueDomain_1" xlink:title="ValuationTechniqueDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationTechniqueAxis" xlink:to="ValuationTechniqueDomain_1" xlink:title="Definition : loc_us-gaap_ValuationTechniqueAxis to loc_us-gaap_ValuationTechniqueDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_HullWhiteOptionPricingModelMember" xlink:label="loc_nbn_HullWhiteOptionPricingModelMember" xlink:title="HullWhiteOptionPricingModelMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain" xlink:to="loc_nbn_HullWhiteOptionPricingModelMember" xlink:title="Definition : loc_us-gaap_ValuationTechniqueDomain to loc_nbn_HullWhiteOptionPricingModelMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:label="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems to loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="FairValueByMeasurementFrequencyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="Definition : loc_us-gaap_FairValueByMeasurementFrequencyAxis to loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="Definition : loc_us-gaap_FairValueByFairValueHierarchyLevelAxis to loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember" xlink:title="FairValueMeasurementsRecurringMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember" xlink:title="Definition : loc_us-gaap_FairValueMeasurementFrequencyDomain to loc_us-gaap_FairValueMeasurementsRecurringMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel2Member" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="USGovernmentAgenciesDebtSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain_1" xlink:title="DerivativeContractTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="DerivativeContractTypeDomain_1" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="FairValueMeasurementFrequencyDomain_2" xlink:title="FairValueMeasurementFrequencyDomain_2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="FairValueMeasurementFrequencyDomain_2" xlink:title="Definition : loc_us-gaap_FairValueByMeasurementFrequencyAxis to loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain_3" xlink:title="FairValueMeasurementsFairValueHierarchyDomain_3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="FairValueMeasurementsFairValueHierarchyDomain_3" xlink:title="Definition : loc_us-gaap_FairValueByFairValueHierarchyLevelAxis to loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="AvailableForSaleSecuritiesFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems to loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets" xlink:title="DerivativeAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:to="loc_us-gaap_DerivativeAssets" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems to loc_us-gaap_DerivativeAssets" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities" xlink:title="DerivativeLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:to="loc_us-gaap_DerivativeLiabilities" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems to loc_us-gaap_DerivativeLiabilities" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel3Member" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails2">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" xlink:label="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems to loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="FairValueByMeasurementFrequencyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="Definition : loc_us-gaap_FairValueByMeasurementFrequencyAxis to loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="Definition : loc_us-gaap_FairValueByFairValueHierarchyLevelAxis to loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:title="FairValueMeasurementsNonrecurringMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:title="Definition : loc_us-gaap_FairValueMeasurementFrequencyDomain to loc_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel3Member" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:title="ImpairedFinancingReceivableRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems to loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeclosedAssets" xlink:label="loc_us-gaap_ForeclosedAssets" xlink:title="ForeclosedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems" xlink:to="loc_us-gaap_ForeclosedAssets" xlink:title="Definition : loc_nbn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems to loc_us-gaap_ForeclosedAssets" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel2Member" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureFairValueMeasurementsDetails3">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FairValueOfFinancialInstrumentsLineItems" xlink:label="loc_nbn_FairValueOfFinancialInstrumentsLineItems" xlink:title="FairValueOfFinancialInstrumentsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_FairValueOfFinancialInstrumentsLineItems" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="Definition : loc_nbn_FairValueOfFinancialInstrumentsLineItems to loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="Definition : loc_us-gaap_FairValueByFairValueHierarchyLevelAxis to loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:title="FairValueDisclosureItemAmountsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:title="Definition : loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis to loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:title="EstimateOfFairValueFairValueDisclosureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:title="CarryingReportedAmountFairValueDisclosureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:title="Definition : loc_us-gaap_FairValueDisclosureItemAmountsDomain to loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:title="CashAndCashEquivalentsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract" xlink:title="LiabilitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepositsFairValueDisclosure" xlink:label="loc_us-gaap_DepositsFairValueDisclosure" xlink:title="DepositsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_DepositsFairValueDisclosure" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_DepositsFairValueDisclosure" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="FairValueDisclosureItemAmountsDomain_1" xlink:title="FairValueDisclosureItemAmountsDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:to="FairValueDisclosureItemAmountsDomain_1" xlink:title="Definition : loc_us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis to loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel1Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueOfFinancialInstrumentsLineItems" xlink:to="loc_us-gaap_AssetsAbstract" xlink:title="Definition : loc_nbn_FairValueOfFinancialInstrumentsLineItems to loc_us-gaap_AssetsAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="AvailableForSaleSecuritiesFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvances" xlink:title="FederalHomeLoanBankAdvances" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvances" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_FederalHomeLoanBankAdvances" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel2Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel2Member" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:label="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:title="FederalHomeLoanBankStockAndFederalReserveBankStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FairValueOfFinancialInstrumentsLineItems" xlink:to="loc_us-gaap_LiabilitiesAbstract" xlink:title="Definition : loc_nbn_FairValueOfFinancialInstrumentsLineItems to loc_us-gaap_LiabilitiesAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure" xlink:label="loc_us-gaap_SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure" xlink:title="SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaap_FairValueInputsLevel3Member" xlink:title="Definition : loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain to loc_us-gaap_FairValueInputsLevel3Member" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:label="loc_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:title="LoansHeldForSaleFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShorttermDebtFairValue" xlink:label="loc_us-gaap_ShorttermDebtFairValue" xlink:title="ShorttermDebtFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_ShorttermDebtFairValue" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_ShorttermDebtFairValue" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="loc_us-gaap_LoansReceivableFairValueDisclosure" xlink:title="LoansReceivableFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansReceivableFairValueDisclosure" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansReceivableFairValueDisclosure" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="loc_us-gaap_CapitalLeaseObligations" xlink:title="CapitalLeaseObligations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_CapitalLeaseObligations" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_CapitalLeaseObligations" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestReceivable" xlink:label="loc_us-gaap_InterestReceivable" xlink:title="InterestReceivable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_InterestReceivable" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_InterestReceivable" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:title="FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets" xlink:title="DerivativeAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_DerivativeAssets" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_DerivativeAssets" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities" xlink:title="DerivativeLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_DerivativeLiabilities" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_DerivativeLiabilities" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:title="ScheduleOfAvailableForSaleSecuritiesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="ScheduleOfAvailableForSaleSecuritiesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="USGovernmentAgenciesDebtSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="MajorTypesOfDebtAndEquitySecuritiesDomain_1" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="MajorTypesOfDebtAndEquitySecuritiesDomain_1" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:title="AvailableForSaleSecuritiesAmortizedCost" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:title="AvailableforsaleSecuritiesGrossUnrealizedGain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:title="AvailableForSaleSecuritiesGrossUnrealizedLosses1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="AvailableForSaleSecuritiesFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember" xlink:title="EquitySecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_EquitySecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_EquitySecuritiesMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrustPreferredSecuritiesMember" xlink:label="loc_nbn_TrustPreferredSecuritiesMember" xlink:title="TrustPreferredSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_nbn_TrustPreferredSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_nbn_TrustPreferredSecuritiesMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails7">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:title="ScheduleOfAvailableForSaleSecuritiesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="ScheduleOfAvailableForSaleSecuritiesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="USGovernmentAgenciesDebtSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember" xlink:title="EquitySecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_EquitySecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_EquitySecuritiesMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrustPreferredSecuritiesMember" xlink:label="loc_nbn_TrustPreferredSecuritiesMember" xlink:title="TrustPreferredSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_nbn_TrustPreferredSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_nbn_TrustPreferredSecuritiesMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureSecuritiesAvailableForSaleDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:title="ScheduleOfAvailableForSaleSecuritiesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="ScheduleOfAvailableForSaleSecuritiesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="USGovernmentAgenciesDebtSecuritiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable to loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:title="Definition : loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:title="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2" xlink:title="AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:title="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2" xlink:title="AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:title="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2" xlink:title="AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2" xlink:title="Definition : loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems to loc_us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2" xlink:type="arc" use="optional" order="7" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureDerivativesAndHedgingActivitiesDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:title="DerivativeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable" xlink:title="DerivativeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeTable" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" xlink:label="loc_nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" xlink:title="DerivativeNumberOfContractsTerminatedPriorToMaturity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:title="DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:title="CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainOnFairValueHedgeIneffectiveness" xlink:label="loc_us-gaap_GainOnFairValueHedgeIneffectiveness" xlink:title="GainOnFairValueHedgeIneffectiveness" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_GainOnFairValueHedgeIneffectiveness" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_GainOnFairValueHedgeIneffectiveness" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgeGainReclassifiedToInterestExpense" xlink:label="loc_us-gaap_CashFlowHedgeGainReclassifiedToInterestExpense" xlink:title="CashFlowHedgeGainReclassifiedToInterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_CashFlowHedgeGainReclassifiedToInterestExpense" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_CashFlowHedgeGainReclassifiedToInterestExpense" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DerivativeAdditionalCollateralRequirements" xlink:label="loc_nbn_DerivativeAdditionalCollateralRequirements" xlink:title="DerivativeAdditionalCollateralRequirements" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_nbn_DerivativeAdditionalCollateralRequirements" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_nbn_DerivativeAdditionalCollateralRequirements" xlink:type="arc" use="optional" order="8002" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:title="DerivativeNumberOfInstrumentsHeld" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:type="arc" use="optional" order="8003" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureDerivativesandHedgingActivitiesDetails6">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:title="DerivativeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable" xlink:title="DerivativeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="loc_us-gaap_DerivativeTable" xlink:title="Definition : loc_us-gaap_DerivativeLineItems to loc_us-gaap_DerivativeTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationAxis to loc_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember" xlink:title="OtherAssetsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_OtherAssetsMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_OtherAssetsMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember" xlink:title="OtherLiabilitiesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_OtherLiabilitiesMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_OtherLiabilitiesMember" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="Definition : loc_us-gaap_DerivativeTable to loc_us-gaap_BalanceSheetLocationAxis" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:label="loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:title="CondensedBalanceSheetStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedBalanceSheetStatementTable" xlink:label="loc_nbn_CondensedBalanceSheetStatementTable" xlink:title="CondensedBalanceSheetStatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:to="loc_nbn_CondensedBalanceSheetStatementTable" xlink:title="Definition : loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems to loc_nbn_CondensedBalanceSheetStatementTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember" xlink:title="ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_us-gaap_ParentCompanyMember" xlink:title="Definition : loc_dei_EntityDomain to loc_us-gaap_ParentCompanyMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash" xlink:title="Cash" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_Cash" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_Cash" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_CondensedBalanceSheetStatementTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_nbn_CondensedBalanceSheetStatementTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments" xlink:title="EquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_EquityMethodInvestments" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_EquityMethodInvestments" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:to="loc_us-gaap_AssetsAbstract" xlink:title="Definition : loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems to loc_us-gaap_AssetsAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvancesToAffiliate" xlink:label="loc_us-gaap_AdvancesToAffiliate" xlink:title="AdvancesToAffiliate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_AdvancesToAffiliate" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_AdvancesToAffiliate" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="Definition : loc_nbn_CondensedBalanceSheetStatementsCaptionsLineItems to loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" use="optional" order="3" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureOtherComprehensiveIncomeDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:title="StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StatementTable" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StatementTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:title="EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="loc_us-gaap_EquityComponentDomain" xlink:title="Definition : loc_us-gaap_StatementEquityComponentsAxis to loc_us-gaap_EquityComponentDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="AccumulatedNetUnrealizedInvestmentGainLossMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_AccumulatedOtherComprehensiveIncomeLossBeforeTaxes" xlink:label="loc_nbn_AccumulatedOtherComprehensiveIncomeLossBeforeTaxes" xlink:title="AccumulatedOtherComprehensiveIncomeLossBeforeTaxes" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_nbn_AccumulatedOtherComprehensiveIncomeLossBeforeTaxes" xlink:title="Definition : loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract to loc_nbn_AccumulatedOtherComprehensiveIncomeLossBeforeTaxes" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_StatementEquityComponentsAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:title="AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" xlink:label="loc_nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" xlink:title="AccumulatedOtherComprehensiveIncomeLossTaxes" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" xlink:title="Definition : loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract to loc_nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract to loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" use="optional" order="3" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockholdersEquityDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems" xlink:title="ClassOfStockLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable" xlink:title="ScheduleOfStockByClassTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable" xlink:title="Definition : loc_us-gaap_ClassOfStockLineItems to loc_us-gaap_ScheduleOfStockByClassTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="loc_us-gaap_ClassOfStockDomain" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VotingCommonStockMember" xlink:label="loc_nbn_VotingCommonStockMember" xlink:title="VotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_nbn_VotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_nbn_VotingCommonStockMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="loc_us-gaap_StatementClassOfStockAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfStockByClassTable to loc_us-gaap_StatementClassOfStockAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonvotingCommonStockMember" xlink:label="loc_us-gaap_NonvotingCommonStockMember" xlink:title="NonvotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_us-gaap_NonvotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_us-gaap_NonvotingCommonStockMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SharesAuthorized" xlink:label="loc_nbn_SharesAuthorized" xlink:title="SharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="loc_nbn_SharesAuthorized" xlink:title="Definition : loc_us-gaap_ClassOfStockLineItems to loc_nbn_SharesAuthorized" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails3">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:label="loc_nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:title="CondensedCashFlowStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedCashFlowStatementTable" xlink:label="loc_nbn_CondensedCashFlowStatementTable" xlink:title="CondensedCashFlowStatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:to="loc_nbn_CondensedCashFlowStatementTable" xlink:title="Definition : loc_nbn_CondensedCashFlowStatementsCaptionsLineItems to loc_nbn_CondensedCashFlowStatementTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember" xlink:title="ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_us-gaap_ParentCompanyMember" xlink:title="Definition : loc_dei_EntityDomain to loc_us-gaap_ParentCompanyMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium" xlink:title="AmortizationOfDebtDiscountPremium" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AmortizationOfDebtDiscountPremium" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:title="PaymentsToAcquireInterestInSubsidiariesAndAffiliates" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract to loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract to loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_CondensedCashFlowStatementTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_nbn_CondensedCashFlowStatementTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Definition : loc_nbn_CondensedCashFlowStatementsCaptionsLineItems to loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="Definition : loc_nbn_CondensedCashFlowStatementsCaptionsLineItems to loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfOrdinaryDividends" xlink:label="loc_us-gaap_PaymentsOfOrdinaryDividends" xlink:title="PaymentsOfOrdinaryDividends" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="loc_us-gaap_PaymentsOfOrdinaryDividends" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract to loc_us-gaap_PaymentsOfOrdinaryDividends" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:title="IncreaseDecreaseInOtherOperatingCapitalNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedCashFlowStatementsCaptionsLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="Definition : loc_nbn_CondensedCashFlowStatementsCaptionsLineItems to loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization" xlink:title="AdjustmentForAmortization" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AdjustmentForAmortization" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AdjustmentForAmortization" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:label="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="BusinessCombinationBargainPurchaseGainRecognizedAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails10">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableImpairedLineItems" xlink:label="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:title="FinancingReceivableImpairedLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ConsumerResidentialRealEstateMember" xlink:label="loc_nbn_ConsumerResidentialRealEstateMember" xlink:title="ConsumerResidentialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_nbn_ConsumerResidentialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_nbn_ConsumerResidentialRealEstateMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:label="loc_nbn_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:title="FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_nbn_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_nbn_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember" xlink:title="MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MinimumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MinimumMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TroubledDebtRestructuringPaymentDefaultNumberOfDays" xlink:label="loc_nbn_TroubledDebtRestructuringPaymentDefaultNumberOfDays" xlink:title="TroubledDebtRestructuringPaymentDefaultNumberOfDays" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_nbn_TroubledDebtRestructuringPaymentDefaultNumberOfDays" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_nbn_TroubledDebtRestructuringPaymentDefaultNumberOfDays" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember_1" xlink:title="RangeMember_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis" xlink:to="RangeMember_1" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableImpairedLineItems" xlink:label="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:title="FinancingReceivableImpairedLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:title="ScheduleOfImpairedFinancingReceivableTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="FinancingReceivableInformationByPortfolioSegmentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceDomain" xlink:label="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="FinancingReceivableAllowanceDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:to="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis to loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialPortfolioSegmentMember" xlink:label="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="ResidentialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceDomain" xlink:label="FinancingReceivableAllowanceDomain_1" xlink:title="FinancingReceivableAllowanceDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:to="FinancingReceivableAllowanceDomain_1" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis to loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="ConsumerPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" xlink:title="ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable to loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="CommercialRealEstatePortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance" xlink:title="ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="CommercialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialPortfolioSegmentMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment" xlink:title="ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod" xlink:title="ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:title="ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance" xlink:title="ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:label="loc_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:title="ImpairedFinancingReceivableRelatedAllowance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment" xlink:title="ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod" xlink:title="ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:title="ImpairedFinancingReceivableRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:type="arc" use="optional" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:label="loc_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:title="ImpairedFinancingReceivableUnpaidPrincipalBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:type="arc" use="optional" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:title="ImpairedFinancingReceivableAverageRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:type="arc" use="optional" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod" xlink:label="loc_us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod" xlink:title="ImpairedFinancingReceivableInterestIncomeCashBasisMethod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableImpairedLineItems" xlink:to="loc_us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod" xlink:title="Definition : loc_us-gaap_FinancingReceivableImpairedLineItems to loc_us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod" xlink:type="arc" use="optional" order="14" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails8">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:label="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:title="FinancingReceivableModificationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HomeEquityMember" xlink:label="loc_us-gaap_HomeEquityMember" xlink:title="HomeEquityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_HomeEquityMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_HomeEquityMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:label="loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:title="FinancingReceivableModificationsNumberOfContractsModified" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsPreModificationRecordedInvestments" xlink:label="loc_nbn_FinancingReceivableModificationsPreModificationRecordedInvestments" xlink:title="FinancingReceivableModificationsPreModificationRecordedInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsPreModificationRecordedInvestments" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsPreModificationRecordedInvestments" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:label="loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:title="FinancingReceivableModificationsPostModificationRecordedInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember" xlink:title="ConsumerLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ConsumerLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ConsumerLoanMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts" xlink:label="loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts" xlink:title="FinancingReceivableModificationsSubsequentDefaultNumberOfContracts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment" xlink:label="loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment" xlink:title="FinancingReceivableModificationsSubsequentDefaultRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsSubsequentDefaultedNumberOfContracts" xlink:label="loc_nbn_FinancingReceivableModificationsSubsequentDefaultedNumberOfContracts" xlink:title="FinancingReceivableModificationsSubsequentDefaultedNumberOfContracts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsSubsequentDefaultedNumberOfContracts" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsSubsequentDefaultedNumberOfContracts" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsSubsequentDefaultedRecordedInvestment" xlink:label="loc_nbn_FinancingReceivableModificationsSubsequentDefaultedRecordedInvestment" xlink:title="FinancingReceivableModificationsSubsequentDefaultedRecordedInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsSubsequentDefaultedRecordedInvestment" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsSubsequentDefaultedRecordedInvestment" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails11">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:label="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:title="FinancingReceivableModificationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentNonaccrualStatus" xlink:label="loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentNonaccrualStatus" xlink:title="LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentNonaccrualStatus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentNonaccrualStatus" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentNonaccrualStatus" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentAccrualStatus" xlink:label="loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentAccrualStatus" xlink:title="LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentAccrualStatus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentAccrualStatus" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_LoansAndLeasesReceivableTroubledDebtRestructuringsRecordedInvestmentAccrualStatus" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TroubledDebtRestructuringsSubsequentDefaultTotalLoans" xlink:label="loc_nbn_TroubledDebtRestructuringsSubsequentDefaultTotalLoans" xlink:title="TroubledDebtRestructuringsSubsequentDefaultTotalLoans" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_TroubledDebtRestructuringsSubsequentDefaultTotalLoans" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_TroubledDebtRestructuringsSubsequentDefaultTotalLoans" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HomeEquityMember" xlink:label="loc_us-gaap_HomeEquityMember" xlink:title="HomeEquityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_HomeEquityMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_HomeEquityMember" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="8002" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="8003" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="8004" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember" xlink:title="ConsumerLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ConsumerLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ConsumerLoanMember" xlink:type="arc" use="optional" order="8005" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails7">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:label="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:title="FinancingReceivableModificationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TypeOfModificationAxis" xlink:label="loc_nbn_TypeOfModificationAxis" xlink:title="TypeOfModificationAxis" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TypeOfModificationDomain" xlink:label="loc_nbn_TypeOfModificationDomain" xlink:title="TypeOfModificationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_nbn_TypeOfModificationAxis" xlink:to="loc_nbn_TypeOfModificationDomain" xlink:title="Definition : loc_nbn_TypeOfModificationAxis to loc_nbn_TypeOfModificationDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExtendedMaturityMember" xlink:label="loc_nbn_ExtendedMaturityMember" xlink:title="ExtendedMaturityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_ExtendedMaturityMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_ExtendedMaturityMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="loc_nbn_TypeOfModificationAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable to loc_nbn_TypeOfModificationAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TypeOfModificationDomain" xlink:label="TypeOfModificationDomain_1" xlink:title="TypeOfModificationDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_nbn_TypeOfModificationAxis" xlink:to="TypeOfModificationDomain_1" xlink:title="Definition : loc_nbn_TypeOfModificationAxis to loc_nbn_TypeOfModificationDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_AdjustedInterestRateMember" xlink:label="loc_nbn_AdjustedInterestRateMember" xlink:title="AdjustedInterestRateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_AdjustedInterestRateMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_AdjustedInterestRateMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:label="loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:title="FinancingReceivableModificationsNumberOfContractsModified" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsNumberOfContractsModified" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_RateAndMaturityMember" xlink:label="loc_nbn_RateAndMaturityMember" xlink:title="RateAndMaturityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_RateAndMaturityMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_RateAndMaturityMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:label="loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:title="FinancingReceivableModificationsPostModificationRecordedInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:title="Definition : loc_us-gaap_FinancingReceivableModificationsLineItems to loc_nbn_FinancingReceivableModificationsPostModificationRecordedInvestments" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PrincipalDefermentMember" xlink:label="loc_nbn_PrincipalDefermentMember" xlink:title="PrincipalDefermentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_PrincipalDefermentMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_PrincipalDefermentMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CourtOrderedConcessionMember" xlink:label="loc_nbn_CourtOrderedConcessionMember" xlink:title="CourtOrderedConcessionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_CourtOrderedConcessionMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_CourtOrderedConcessionMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ProtectiveAdvanceMember" xlink:label="loc_nbn_ProtectiveAdvanceMember" xlink:title="ProtectiveAdvanceMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_ProtectiveAdvanceMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_ProtectiveAdvanceMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_OtherModificationMember" xlink:label="loc_nbn_OtherModificationMember" xlink:title="OtherModificationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TypeOfModificationDomain" xlink:to="loc_nbn_OtherModificationMember" xlink:title="Definition : loc_nbn_TypeOfModificationDomain to loc_nbn_OtherModificationMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:title="FinancingReceivableRecordedInvestmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:title="ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems to loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:label="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:title="FinancingReceivableInformationByCreditQualityIndicatorAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:label="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:title="FinancingReceivableByCreditQualityIndicatorDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:to="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis to loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PassMember" xlink:label="loc_us-gaap_PassMember" xlink:title="PassMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_PassMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_PassMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:label="FinancingReceivableByCreditQualityIndicatorDomain_1" xlink:title="FinancingReceivableByCreditQualityIndicatorDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:to="FinancingReceivableByCreditQualityIndicatorDomain_1" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis to loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SpecialMentionMember" xlink:label="loc_us-gaap_SpecialMentionMember" xlink:title="SpecialMentionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_SpecialMentionMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_SpecialMentionMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoansAndLeasesReceivableRiskRating" xlink:label="loc_nbn_LoansAndLeasesReceivableRiskRating" xlink:title="LoansAndLeasesReceivableRiskRating" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:to="loc_nbn_LoansAndLeasesReceivableRiskRating" xlink:title="Definition : loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems to loc_nbn_LoansAndLeasesReceivableRiskRating" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:to="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable to loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubstandardMember" xlink:label="loc_us-gaap_SubstandardMember" xlink:title="SubstandardMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_SubstandardMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_SubstandardMember" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DoubtfulMember" xlink:label="loc_us-gaap_DoubtfulMember" xlink:title="DoubtfulMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_DoubtfulMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_DoubtfulMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnlikelyToBeCollectedFinancingReceivableMember" xlink:label="loc_us-gaap_UnlikelyToBeCollectedFinancingReceivableMember" xlink:title="UnlikelyToBeCollectedFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_UnlikelyToBeCollectedFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_UnlikelyToBeCollectedFinancingReceivableMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails6">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:title="AccountsNotesAndLoansReceivableLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:title="ScheduleOfFinancingReceivablesPastDueTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="ReceivableTypeDomain_1" xlink:title="ReceivableTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="ReceivableTypeDomain_1" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HomeEquityMember" xlink:label="loc_us-gaap_HomeEquityMember" xlink:title="HomeEquityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_HomeEquityMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_HomeEquityMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:title="FinancingReceivableRecordedInvestment30To59DaysPastDue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:title="FinancingReceivableRecordedInvestment60To89DaysPastDue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:label="loc_nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:title="FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:title="FinancingReceivableRecordedInvestmentPastDue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember" xlink:title="ConsumerLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ConsumerLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ConsumerLoanMember" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:title="FinancingReceivableRecordedInvestmentCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialRealEstateMember" xlink:label="loc_us-gaap_ResidentialRealEstateMember" xlink:title="ResidentialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialRealEstateMember" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="LoansAndLeasesReceivableGrossCarryingAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:title="FinancingReceivableRecordedInvestmentNonaccrualStatus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:title="FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:title="AccountsNotesAndLoansReceivableLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:title="ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="LoanPortfolioOriginatedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioOriginatedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioOriginatedMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HomeEquityMember" xlink:label="loc_us-gaap_HomeEquityMember" xlink:title="HomeEquityMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_HomeEquityMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_HomeEquityMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="LoansAndLeasesReceivableGrossCarryingAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="Definition : loc_us-gaap_AccountsNotesAndLoansReceivableLineItems to loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember" xlink:title="ConsumerLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ConsumerLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ConsumerLoanMember" xlink:type="arc" use="optional" order="6" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:label="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:title="FairValueOffBalanceSheetRisksDisclosureInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:label="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:title="ScheduleOfFairValueOffBalanceSheetRisksTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:to="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:title="Definition : loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems to loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:title="ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:title="ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:title="Definition : loc_us-gaap_ConcentrationRiskByTypeAxis to loc_us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoanOriginationCommitmentsMember" xlink:label="loc_us-gaap_LoanOriginationCommitmentsMember" xlink:title="LoanOriginationCommitmentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:to="loc_us-gaap_LoanOriginationCommitmentsMember" xlink:title="Definition : loc_us-gaap_ConcentrationRiskTypeDomain to loc_us-gaap_LoanOriginationCommitmentsMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable to loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="ConcentrationRiskTypeDomain_1" xlink:title="ConcentrationRiskTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:to="ConcentrationRiskTypeDomain_1" xlink:title="Definition : loc_us-gaap_ConcentrationRiskByTypeAxis to loc_us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:title="CommercialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnusedLinesOfCreditMember" xlink:label="loc_us-gaap_UnusedLinesOfCreditMember" xlink:title="UnusedLinesOfCreditMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:to="loc_us-gaap_UnusedLinesOfCreditMember" xlink:title="Definition : loc_us-gaap_ConcentrationRiskTypeDomain to loc_us-gaap_UnusedLinesOfCreditMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability" xlink:label="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability" xlink:title="FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:to="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability" xlink:title="Definition : loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems to loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_us-gaap_CommercialLoanMember" xlink:title="CommercialLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialLoanMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember" xlink:title="FinancialStandbyLetterOfCreditMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember" xlink:title="Definition : loc_us-gaap_ConcentrationRiskTypeDomain to loc_us-gaap_FinancialStandbyLetterOfCreditMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:label="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="CommercialRealEstateConstructionFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_CommercialRealEstateConstructionFinancingReceivableMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_UnusedPortionsOfConstructionLoansMember" xlink:label="loc_nbn_UnusedPortionsOfConstructionLoansMember" xlink:title="UnusedPortionsOfConstructionLoansMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:to="loc_nbn_UnusedPortionsOfConstructionLoansMember" xlink:title="Definition : loc_us-gaap_ConcentrationRiskTypeDomain to loc_nbn_UnusedPortionsOfConstructionLoansMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember" xlink:title="ConsumerLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ConsumerLoanMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ConsumerLoanMember" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:title="SummaryOfSignificantAccountingPoliciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:label="loc_nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:title="SummaryOfSignificantAccountingPoliciesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="loc_nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems to loc_nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Definition : loc_us-gaap_FinancialInstrumentAxis to loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NortheastBankInsuranceMember" xlink:label="loc_nbn_NortheastBankInsuranceMember" xlink:title="NortheastBankInsuranceMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="loc_nbn_NortheastBankInsuranceMember" xlink:title="Definition : loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to loc_nbn_NortheastBankInsuranceMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ConsumerResidentialRealEstateMember" xlink:label="loc_nbn_ConsumerResidentialRealEstateMember" xlink:title="ConsumerResidentialRealEstateMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_nbn_ConsumerResidentialRealEstateMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_nbn_ConsumerResidentialRealEstateMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:to="loc_us-gaap_FinancialInstrumentAxis" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesTable to loc_us-gaap_FinancialInstrumentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" xlink:label="loc_nbn_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" xlink:title="ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="loc_nbn_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems to loc_nbn_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesTable to loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:label="loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:title="NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems to loc_nbn_NumberOfTransactionsInWhichCustomerListsAndFixedAssetsSold" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="loc_us-gaap_ResidentialMortgageMember" xlink:title="ResidentialMortgageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="loc_us-gaap_ResidentialMortgageMember" xlink:title="Definition : loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to loc_us-gaap_ResidentialMortgageMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LongTermDebtLoanToValueRatioMaximum" xlink:label="loc_nbn_LongTermDebtLoanToValueRatioMaximum" xlink:title="LongTermDebtLoanToValueRatioMaximum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="loc_nbn_LongTermDebtLoanToValueRatioMaximum" xlink:title="Definition : loc_nbn_SummaryOfSignificantAccountingPoliciesLineItems to loc_nbn_LongTermDebtLoanToValueRatioMaximum" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockholdersEquityDetails3">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PreferredStockLineItems" xlink:label="loc_nbn_PreferredStockLineItems" xlink:title="PreferredStockLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PreferredStockTable" xlink:label="loc_nbn_PreferredStockTable" xlink:title="PreferredStockTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_PreferredStockLineItems" xlink:to="loc_nbn_PreferredStockTable" xlink:title="Definition : loc_nbn_PreferredStockLineItems to loc_nbn_PreferredStockTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember" xlink:title="MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MinimumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MinimumMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_PreferredStockTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_nbn_PreferredStockTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember" xlink:title="MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MaximumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MaximumMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage" xlink:title="PreferredStockDividendRatePercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_PreferredStockLineItems" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage" xlink:title="Definition : loc_nbn_PreferredStockLineItems to loc_us-gaap_PreferredStockDividendRatePercentage" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PreferredStockRedemptionPricePercentageOfIssuePrice" xlink:label="loc_nbn_PreferredStockRedemptionPricePercentageOfIssuePrice" xlink:title="PreferredStockRedemptionPricePercentageOfIssuePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_PreferredStockLineItems" xlink:to="loc_nbn_PreferredStockRedemptionPricePercentageOfIssuePrice" xlink:title="Definition : loc_nbn_PreferredStockLineItems to loc_nbn_PreferredStockRedemptionPricePercentageOfIssuePrice" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceOfWarrants" xlink:label="loc_nbn_ExercisePriceOfWarrants" xlink:title="ExercisePriceOfWarrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_PreferredStockLineItems" xlink:to="loc_nbn_ExercisePriceOfWarrants" xlink:title="Definition : loc_nbn_PreferredStockLineItems to loc_nbn_ExercisePriceOfWarrants" xlink:type="arc" use="optional" order="7" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="loc_us-gaap_LossContingenciesTable" xlink:title="Definition : loc_us-gaap_LossContingenciesLineItems to loc_us-gaap_LossContingenciesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember" xlink:title="MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MaximumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MaximumMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_us-gaap_LossContingenciesTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_AllowanceForPossibleLossesOnCommitmentsAndUnfundedLoans" xlink:label="loc_nbn_AllowanceForPossibleLossesOnCommitmentsAndUnfundedLoans" xlink:title="AllowanceForPossibleLossesOnCommitmentsAndUnfundedLoans" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="loc_nbn_AllowanceForPossibleLossesOnCommitmentsAndUnfundedLoans" xlink:title="Definition : loc_us-gaap_LossContingenciesLineItems to loc_nbn_AllowanceForPossibleLossesOnCommitmentsAndUnfundedLoans" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LineOfCreditFacilityTerm" xlink:label="loc_nbn_LineOfCreditFacilityTerm" xlink:title="LineOfCreditFacilityTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="loc_nbn_LineOfCreditFacilityTerm" xlink:title="Definition : loc_us-gaap_LossContingenciesLineItems to loc_nbn_LineOfCreditFacilityTerm" xlink:type="arc" use="optional" order="3" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:title="FinancingReceivableAllowanceForCreditLossesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:title="ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="FinancingReceivableInformationByPortfolioSegmentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceDomain" xlink:label="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="FinancingReceivableAllowanceDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:to="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis to loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialPortfolioSegmentMember" xlink:label="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="ResidentialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable to loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="CommercialRealEstatePortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="LoansAndLeasesReceivableAllowance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="CommercialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialPortfolioSegmentMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossGross" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossGross" xlink:title="AllowanceForLoanAndLeaseLossesProvisionForLossGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossGross" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossGross" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="ConsumerPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts" xlink:title="AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:label="loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:title="UnallocatedFinancingReceivablesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:title="AllowanceForLoanAndLeaseLossesWriteOffs" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:type="arc" use="optional" order="5" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureLoansAllowanceForLoanLossesAndCreditQualityDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:title="FinancingReceivableAllowanceForCreditLossesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:title="ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain" xlink:title="ReceivableTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="loc_us-gaap_ReceivableTypeDomain" xlink:title="Definition : loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis to loc_us-gaap_ReceivableTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:label="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="FinancingReceivableInformationByPortfolioSegmentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceDomain" xlink:label="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="FinancingReceivableAllowanceDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:to="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis to loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="LoanPortfolioPurchasedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="loc_nbn_LoanPortfolioPurchasedMember" xlink:title="Definition : loc_us-gaap_ReceivableTypeDomain to loc_nbn_LoanPortfolioPurchasedMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResidentialPortfolioSegmentMember" xlink:label="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="ResidentialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ResidentialPortfolioSegmentMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:title="AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:title="FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:title="Definition : loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract to loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansReceivableNetAbstract" xlink:label="loc_us-gaap_LoansReceivableNetAbstract" xlink:title="LoansReceivableNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:label="loc_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:title="FinancingReceivableIndividuallyEvaluatedForImpairment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LoansReceivableNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:title="Definition : loc_us-gaap_LoansReceivableNetAbstract to loc_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable to loc_us-gaap_FinancingReceivableInformationByPortfolioSegmentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="CommercialRealEstatePortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:title="FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:title="Definition : loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract to loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:label="loc_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:title="FinancingReceivableCollectivelyEvaluatedForImpairment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LoansReceivableNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:title="Definition : loc_us-gaap_LoansReceivableNetAbstract to loc_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:label="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:title="FinancingReceivableInformationByCreditQualityIndicatorAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable to loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="CommercialPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_CommercialPortfolioSegmentMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:title="FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:title="Definition : loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract to loc_us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_us-gaap_LoansReceivableNetAbstract" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_us-gaap_LoansReceivableNetAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality" xlink:label="loc_us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality" xlink:title="FinancingReceivableAcquiredWithDeterioratedCreditQuality" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LoansReceivableNetAbstract" xlink:to="loc_us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality" xlink:title="Definition : loc_us-gaap_LoansReceivableNetAbstract to loc_us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable to loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="ConsumerPortfolioSegmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_ConsumerPortfolioSegmentMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="LoansAndLeasesReceivableAllowance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract" xlink:to="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="Definition : loc_us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNetAbstract to loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="LoansAndLeasesReceivableGrossCarryingAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LoansReceivableNetAbstract" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="Definition : loc_us-gaap_LoansReceivableNetAbstract to loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:label="loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:title="UnallocatedFinancingReceivablesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceDomain" xlink:to="loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceDomain to loc_us-gaap_UnallocatedFinancingReceivablesMember" xlink:type="arc" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:label="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:title="FinancingReceivableByCreditQualityIndicatorDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis" xlink:to="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:title="Definition : loc_us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxis to loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonperformingFinancingReceivableMember" xlink:label="loc_us-gaap_NonperformingFinancingReceivableMember" xlink:title="NonperformingFinancingReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain" xlink:to="loc_us-gaap_NonperformingFinancingReceivableMember" xlink:title="Definition : loc_us-gaap_FinancingReceivableByCreditQualityIndicatorDomain to loc_us-gaap_NonperformingFinancingReceivableMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LoansAcquired" xlink:label="loc_nbn_LoansAcquired" xlink:title="LoansAcquired" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="loc_nbn_LoansAcquired" xlink:title="Definition : loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems to loc_nbn_LoansAcquired" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCommitmentsAndContingenciesDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="loc_us-gaap_LossContingenciesTable" xlink:title="Definition : loc_us-gaap_LossContingenciesLineItems to loc_us-gaap_LossContingenciesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis" xlink:title="LitigationCaseAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain" xlink:title="LitigationCaseTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationCaseAxis" xlink:to="loc_us-gaap_LitigationCaseTypeDomain" xlink:title="Definition : loc_us-gaap_LitigationCaseAxis to loc_us-gaap_LitigationCaseTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TSMPropertiesLLCVsNortheastBankAndDanielGThompsonMember" xlink:label="loc_nbn_TSMPropertiesLLCVsNortheastBankAndDanielGThompsonMember" xlink:title="TSMPropertiesLLCVsNortheastBankAndDanielGThompsonMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain" xlink:to="loc_nbn_TSMPropertiesLLCVsNortheastBankAndDanielGThompsonMember" xlink:title="Definition : loc_us-gaap_LitigationCaseTypeDomain to loc_nbn_TSMPropertiesLLCVsNortheastBankAndDanielGThompsonMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable" xlink:to="loc_us-gaap_LitigationCaseAxis" xlink:title="Definition : loc_us-gaap_LossContingenciesTable to loc_us-gaap_LitigationCaseAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="LitigationCaseTypeDomain_1" xlink:title="LitigationCaseTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationCaseAxis" xlink:to="LitigationCaseTypeDomain_1" xlink:title="Definition : loc_us-gaap_LitigationCaseAxis to loc_us-gaap_LitigationCaseTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue" xlink:title="LossContingencyDamagesSoughtValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue" xlink:title="Definition : loc_us-gaap_LossContingenciesLineItems to loc_us-gaap_LossContingencyDamagesSoughtValue" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureCondensedParentInformationDetails2">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:label="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:title="CondensedIncomeStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CondensedIncomeStatementTable" xlink:label="loc_nbn_CondensedIncomeStatementTable" xlink:title="CondensedIncomeStatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_nbn_CondensedIncomeStatementTable" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_nbn_CondensedIncomeStatementTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember" xlink:title="ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_us-gaap_ParentCompanyMember" xlink:title="Definition : loc_dei_EntityDomain to loc_us-gaap_ParentCompanyMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:title="InterestAndDividendIncomeOperatingAbstract" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DividendsFromBankingSubsidiary" xlink:label="loc_nbn_DividendsFromBankingSubsidiary" xlink:title="DividendsFromBankingSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:to="loc_nbn_DividendsFromBankingSubsidiary" xlink:title="Definition : loc_us-gaap_InterestAndDividendIncomeOperatingAbstract to loc_nbn_DividendsFromBankingSubsidiary" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_CondensedIncomeStatementTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_nbn_CondensedIncomeStatementTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract" xlink:title="CostsAndExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense" xlink:title="Definition : loc_us-gaap_CostsAndExpensesAbstract to loc_us-gaap_GeneralAndAdministrativeExpense" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_us-gaap_CostsAndExpensesAbstract" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_us-gaap_CostsAndExpensesAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses" xlink:title="CostsAndExpenses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract" xlink:to="loc_us-gaap_CostsAndExpenses" xlink:title="Definition : loc_us-gaap_CostsAndExpensesAbstract to loc_us-gaap_CostsAndExpenses" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_CondensedIncomeStatementsCaptionsLineItems" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="Definition : loc_nbn_CondensedIncomeStatementsCaptionsLineItems to loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:label="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="BusinessCombinationBargainPurchaseGainRecognizedAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:to="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="Definition : loc_us-gaap_InterestAndDividendIncomeOperatingAbstract to loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureTroubledAssetReliefCapitalPurchaseProgramDetails">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:label="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:title="TroubledAssetReliefCapitalPurchaseProgramLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TroubledAssetReliefCapitalPurchaseProgramTable" xlink:label="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramTable" xlink:title="TroubledAssetReliefCapitalPurchaseProgramTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramTable" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_nbn_TroubledAssetReliefCapitalPurchaseProgramTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis" xlink:title="ClassOfWarrantOrRightAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain" xlink:title="ClassOfWarrantOrRightDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain" xlink:title="Definition : loc_us-gaap_ClassOfWarrantOrRightAxis to loc_us-gaap_ClassOfWarrantOrRightDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_WarrantIssuedUnderTARPMember" xlink:label="loc_nbn_WarrantIssuedUnderTARPMember" xlink:title="WarrantIssuedUnderTARPMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain" xlink:to="loc_nbn_WarrantIssuedUnderTARPMember" xlink:title="Definition : loc_us-gaap_ClassOfWarrantOrRightDomain to loc_nbn_WarrantIssuedUnderTARPMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramTable" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramTable to loc_us-gaap_ClassOfWarrantOrRightAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="ClassOfWarrantOrRightDomain_1" xlink:title="ClassOfWarrantOrRightDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis" xlink:to="ClassOfWarrantOrRightDomain_1" xlink:title="Definition : loc_us-gaap_ClassOfWarrantOrRightAxis to loc_us-gaap_ClassOfWarrantOrRightDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:title="PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:title="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfWarrants" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfWarrants" xlink:title="PaymentsForRepurchaseOfWarrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfWarrants" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_us-gaap_PaymentsForRepurchaseOfWarrants" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CumulativePreferredStockIssued" xlink:label="loc_nbn_CumulativePreferredStockIssued" xlink:title="CumulativePreferredStockIssued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_nbn_CumulativePreferredStockIssued" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_nbn_CumulativePreferredStockIssued" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_WarrantsConvertedToPurchaseOfCommonStock" xlink:label="loc_nbn_WarrantsConvertedToPurchaseOfCommonStock" xlink:title="WarrantsConvertedToPurchaseOfCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_nbn_WarrantsConvertedToPurchaseOfCommonStock" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_nbn_WarrantsConvertedToPurchaseOfCommonStock" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:title="ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:title="Definition : loc_nbn_TroubledAssetReliefCapitalPurchaseProgramLineItems to loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:type="arc" use="optional" order="8002" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureStockBasedCompensationDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:title="ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceOneMember" xlink:label="loc_nbn_ExercisePriceOneMember" xlink:title="ExercisePriceOneMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="loc_nbn_ExercisePriceOneMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to loc_nbn_ExercisePriceOneMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable to loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_1" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceTwoMember" xlink:label="loc_nbn_ExercisePriceTwoMember" xlink:title="ExercisePriceTwoMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="loc_nbn_ExercisePriceTwoMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to loc_nbn_ExercisePriceTwoMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceThreeMember" xlink:label="loc_nbn_ExercisePriceThreeMember" xlink:title="ExercisePriceThreeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="loc_nbn_ExercisePriceThreeMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to loc_nbn_ExercisePriceThreeMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceFourMember" xlink:label="loc_nbn_ExercisePriceFourMember" xlink:title="ExercisePriceFourMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="loc_nbn_ExercisePriceFourMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to loc_nbn_ExercisePriceFourMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ExercisePriceFiveMember" xlink:label="loc_nbn_ExercisePriceFiveMember" xlink:title="ExercisePriceFiveMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="loc_nbn_ExercisePriceFiveMember" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to loc_nbn_ExercisePriceFiveMember" xlink:type="arc" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="Definition : loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureEarningsPerShareDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:title="ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems to loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:title="AntidilutiveSecuritiesNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis to loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionMember" xlink:label="loc_us-gaap_StockOptionMember" xlink:title="StockOptionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="loc_us-gaap_StockOptionMember" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesNameDomain to loc_us-gaap_StockOptionMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable to loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="AntidilutiveSecuritiesNameDomain_1" xlink:title="AntidilutiveSecuritiesNameDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="AntidilutiveSecuritiesNameDomain_1" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis to loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember" xlink:title="WarrantMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="loc_us-gaap_WarrantMember" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesNameDomain to loc_us-gaap_WarrantMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="Definition : loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems to loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:label="loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:title="FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:label="loc_nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:title="ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:to="loc_nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:title="Definition : loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems to loc_nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CoreDepositsMember" xlink:label="loc_us-gaap_CoreDepositsMember" xlink:title="CoreDepositsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="loc_us-gaap_CoreDepositsMember" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to loc_us-gaap_CoreDepositsMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:title="FiniteLivedIntangibleAssetsRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="FiniteLivedIntangibleAssetsNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsRollForward to loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : loc_nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable to loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="FiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember" xlink:title="OtherIntangibleAssetsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to loc_us-gaap_OtherIntangibleAssetsMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:title="FiniteLivedIntangibleAssetUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:title="Definition : loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems to loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:title="Definition : loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems to loc_us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FiniteLivedIntangibleAssetsSoldOrDisposed" xlink:label="loc_nbn_FiniteLivedIntangibleAssetsSoldOrDisposed" xlink:title="FiniteLivedIntangibleAssetsSoldOrDisposed" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:to="loc_nbn_FiniteLivedIntangibleAssetsSoldOrDisposed" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsRollForward to loc_nbn_FiniteLivedIntangibleAssetsSoldOrDisposed" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward" xlink:title="GoodwillRollForward" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:to="loc_us-gaap_GoodwillRollForward" xlink:title="Definition : loc_nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems to loc_us-gaap_GoodwillRollForward" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill" xlink:title="Goodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward" xlink:to="loc_us-gaap_Goodwill" xlink:title="Definition : loc_us-gaap_GoodwillRollForward to loc_us-gaap_Goodwill" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_AmortizationOfGoodwill" xlink:label="loc_nbn_AmortizationOfGoodwill" xlink:title="AmortizationOfGoodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward" xlink:to="loc_nbn_AmortizationOfGoodwill" xlink:title="Definition : loc_us-gaap_GoodwillRollForward to loc_nbn_AmortizationOfGoodwill" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:label="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:title="GoodwillWrittenOffRelatedToSaleOfBusinessUnit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward" xlink:to="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:title="Definition : loc_us-gaap_GoodwillRollForward to loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:type="arc" use="optional" order="8002" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureIntangibleAssetsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsLineItems to loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CoreDepositsMember" xlink:label="loc_us-gaap_CoreDepositsMember" xlink:title="CoreDepositsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="loc_us-gaap_CoreDepositsMember" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to loc_us-gaap_CoreDepositsMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:title="FiniteLivedIntangibleAssetsGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsLineItems to loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsLineItems to loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="FiniteLivedIntangibleAssetsNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="Definition : loc_us-gaap_FiniteLivedIntangibleAssetsLineItems to loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="arc" use="optional" order="4" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureBorrowingsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable" xlink:title="DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DebtInstrumentTable" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DebtInstrumentTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="loc_us-gaap_DebtInstrumentNameDomain" xlink:title="Definition : loc_us-gaap_DebtInstrumentAxis to loc_us-gaap_DebtInstrumentNameDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:title="AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:title="AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis to loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:label="loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:title="SecuritiesSoldUnderAgreementsToRepurchaseMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain" xlink:to="loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:title="Definition : loc_us-gaap_DebtInstrumentNameDomain to loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_MaturitiesWithinOneYearMember" xlink:label="loc_nbn_MaturitiesWithinOneYearMember" xlink:title="MaturitiesWithinOneYearMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:to="loc_nbn_MaturitiesWithinOneYearMember" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain to loc_nbn_MaturitiesWithinOneYearMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligationsAbstract" xlink:label="loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:title="CapitalLeaseObligationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CapitalLeasesTerm" xlink:label="loc_nbn_CapitalLeasesTerm" xlink:title="CapitalLeasesTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:to="loc_nbn_CapitalLeasesTerm" xlink:title="Definition : loc_us-gaap_CapitalLeaseObligationsAbstract to loc_nbn_CapitalLeasesTerm" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:title="CapitalLeasesFutureMinimumPaymentsDueAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:title="CapitalLeasesFutureMinimumPaymentsDueCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermBorrowingsAbstract" xlink:label="loc_us-gaap_ShortTermBorrowingsAbstract" xlink:title="ShortTermBorrowingsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:title="ShortTermDebtWeightedAverageInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermBorrowingsAbstract" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:title="Definition : loc_us-gaap_ShortTermBorrowingsAbstract to loc_us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="loc_us-gaap_DebtInstrumentAxis" xlink:title="Definition : loc_us-gaap_DebtInstrumentTable to loc_us-gaap_DebtInstrumentAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain_1" xlink:title="DebtInstrumentNameDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="DebtInstrumentNameDomain_1" xlink:title="Definition : loc_us-gaap_DebtInstrumentAxis to loc_us-gaap_DebtInstrumentNameDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:label="AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_2" xlink:title="AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:to="AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_2" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis to loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_MaturitiesInYearTwoMember" xlink:label="loc_nbn_MaturitiesInYearTwoMember" xlink:title="MaturitiesInYearTwoMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:to="loc_nbn_MaturitiesInYearTwoMember" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain to loc_nbn_MaturitiesInYearTwoMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:label="loc_nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:title="SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:label="loc_nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:title="CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:to="loc_nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:title="Definition : loc_us-gaap_CapitalLeaseObligationsAbstract to loc_nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="CapitalLeasesFutureMinimumPaymentsDueInTwoYears" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:title="Definition : loc_us-gaap_DebtInstrumentTable to loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_MaturitiesInYearFourMember" xlink:label="loc_nbn_MaturitiesInYearFourMember" xlink:title="MaturitiesInYearFourMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:to="loc_nbn_MaturitiesInYearFourMember" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain to loc_nbn_MaturitiesInYearFourMember" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:title="Definition : loc_us-gaap_CapitalLeaseObligationsAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="CapitalLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:title="DebtWeightedAverageInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DebtWeightedAverageInterestRate" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="CapitalLeasesFutureMinimumPaymentsDueInFourYears" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_CapitalLeaseObligationsAbstract" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="CapitalLeasesFutureMinimumPaymentsDueInFiveYears" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:title="CapitalLeasesFutureMinimumPaymentsDueThereafter" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:type="arc" use="optional" order="6" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_ShortTermBorrowingsAbstract" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_ShortTermBorrowingsAbstract" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:title="CapitalLeasesFutureMinimumPaymentsDue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:title="CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:title="Definition : loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract to loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_MaturitiesInYearThreeMember" xlink:label="loc_nbn_MaturitiesInYearThreeMember" xlink:title="MaturitiesInYearThreeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:to="loc_nbn_MaturitiesInYearThreeMember" xlink:title="Definition : loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain to loc_nbn_MaturitiesInYearThreeMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_OtherBorrowingsAbstract" xlink:label="loc_nbn_OtherBorrowingsAbstract" xlink:title="OtherBorrowingsAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_OtherBorrowingsAbstract" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_OtherBorrowingsAbstract" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherBorrowings" xlink:label="loc_us-gaap_OtherBorrowings" xlink:title="OtherBorrowings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_OtherBorrowingsAbstract" xlink:to="loc_us-gaap_OtherBorrowings" xlink:title="Definition : loc_nbn_OtherBorrowingsAbstract to loc_us-gaap_OtherBorrowings" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PurchasedInterestRateCapPeriodForPaymentAfterResetDate" xlink:label="loc_nbn_PurchasedInterestRateCapPeriodForPaymentAfterResetDate" xlink:title="PurchasedInterestRateCapPeriodForPaymentAfterResetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_PurchasedInterestRateCapPeriodForPaymentAfterResetDate" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_PurchasedInterestRateCapPeriodForPaymentAfterResetDate" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureJuniorSubordinatedDebenturesIssuedToAffiliatedTrustsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable" xlink:title="ScheduleOfStockByClassTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_ScheduleOfStockByClassTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis" xlink:to="loc_dei_EntityDomain" xlink:title="Definition : loc_dei_LegalEntityAxis to loc_dei_EntityDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="loc_us-gaap_DerivativeContractTypeDomain" xlink:title="Definition : loc_us-gaap_DerivativeInstrumentRiskAxis to loc_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:label="loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:title="ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:label="loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:title="SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:to="loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:title="Definition : loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis to loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis" xlink:title="LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain" xlink:title="LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis" xlink:to="loc_us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeAxis to loc_us-gaap_LongtermDebtTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIIMember" xlink:label="loc_nbn_NBNCapitalTrustIIMember" xlink:title="NBNCapitalTrustIIMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_nbn_NBNCapitalTrustIIMember" xlink:title="Definition : loc_dei_EntityDomain to loc_nbn_NBNCapitalTrustIIMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember" xlink:title="InterestRateCapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateCapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateCapMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:label="loc_us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:title="TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:to="loc_us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:title="Definition : loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain to loc_us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubordinatedDebtMember" xlink:label="loc_us-gaap_SubordinatedDebtMember" xlink:title="SubordinatedDebtMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="loc_us-gaap_SubordinatedDebtMember" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeDomain to loc_us-gaap_SubordinatedDebtMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="loc_dei_LegalEntityAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfStockByClassTable to loc_dei_LegalEntityAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:label="SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_1" xlink:title="SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:to="SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_1" xlink:title="Definition : loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis to loc_us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="LongtermDebtTypeDomain_2" xlink:title="LongtermDebtTypeDomain_2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis" xlink:to="LongtermDebtTypeDomain_2" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeAxis to loc_us-gaap_LongtermDebtTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIIIMember" xlink:label="loc_nbn_NBNCapitalTrustIIIMember" xlink:title="NBNCapitalTrustIIIMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_nbn_NBNCapitalTrustIIIMember" xlink:title="Definition : loc_dei_EntityDomain to loc_nbn_NBNCapitalTrustIIIMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember" xlink:title="InterestRateSwapMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="loc_us-gaap_InterestRateSwapMember" xlink:title="Definition : loc_us-gaap_DerivativeContractTypeDomain to loc_us-gaap_InterestRateSwapMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:label="loc_nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:title="NBNCapitalTrustIIDebentureMaturingMarch302034Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="loc_nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeDomain to loc_nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CommonSecuritiesOfTrust" xlink:label="loc_nbn_CommonSecuritiesOfTrust" xlink:title="CommonSecuritiesOfTrust" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_CommonSecuritiesOfTrust" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_CommonSecuritiesOfTrust" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfStockByClassTable to loc_us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIVMember" xlink:label="loc_nbn_NBNCapitalTrustIVMember" xlink:title="NBNCapitalTrustIVMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain" xlink:to="loc_nbn_NBNCapitalTrustIVMember" xlink:title="Definition : loc_dei_EntityDomain to loc_nbn_NBNCapitalTrustIVMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:label="loc_nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:title="NBNCapitalTrustIIIDebentureMaturingMarch302034Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="loc_nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeDomain to loc_nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:label="loc_nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:title="NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="loc_us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfStockByClassTable to loc_us-gaap_LongtermDebtTypeAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:label="loc_nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:title="NBNCapitalTrustIVDebentureMaturingFebruary232035Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="loc_nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:title="Definition : loc_us-gaap_LongtermDebtTypeDomain to loc_nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:label="loc_nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:title="TrustPreferredSecuritiesPrincipalBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfStockByClassTable to loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrustPreferredSecuritiesInterestRate" xlink:label="loc_nbn_TrustPreferredSecuritiesInterestRate" xlink:title="TrustPreferredSecuritiesInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_TrustPreferredSecuritiesInterestRate" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_TrustPreferredSecuritiesInterestRate" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:title="DebtInstrumentBasisSpreadOnVariableRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:type="arc" use="optional" order="7" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:label="loc_nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:title="TrustPreferredSecuritiesLiquidationAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:type="arc" use="optional" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:title="DerivativeNumberOfInstrumentsHeld" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:type="arc" use="optional" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives" xlink:label="loc_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives" xlink:title="NotionalAmountOfInterestRateCashFlowHedgeDerivatives" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:label="loc_nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:title="DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:type="arc" use="optional" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeRemainingMaturity1" xlink:label="loc_us-gaap_DerivativeRemainingMaturity1" xlink:title="DerivativeRemainingMaturity1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DerivativeRemainingMaturity1" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DerivativeRemainingMaturity1" xlink:type="arc" use="optional" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:title="DebtInstrumentInterestRateEffectivePercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:title="Definition : loc_us-gaap_DebtInstrumentLineItems to loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosureBorrowingsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:title="FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:label="loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:title="ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:to="loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems to loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationAxis to loc_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:title="FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:title="FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis to loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_CarryingAmountFHLBAdvancesMember" xlink:label="loc_nbn_CarryingAmountFHLBAdvancesMember" xlink:title="CarryingAmountFHLBAdvancesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_nbn_CarryingAmountFHLBAdvancesMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_nbn_CarryingAmountFHLBAdvancesMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageMember" xlink:label="loc_us-gaap_WeightedAverageMember" xlink:title="WeightedAverageMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_WeightedAverageMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_WeightedAverageMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FederalHomeLoanBankOfBostonMember" xlink:label="loc_nbn_FederalHomeLoanBankOfBostonMember" xlink:title="FederalHomeLoanBankOfBostonMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:to="loc_nbn_FederalHomeLoanBankOfBostonMember" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain to loc_nbn_FederalHomeLoanBankOfBostonMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:title="FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:label="loc_nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:title="FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:to="loc_nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract to loc_nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable to loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:label="FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain_1" xlink:title="FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:to="FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain_1" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis to loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LineOfCreditFederalHomeLoanBankOfBostonMember" xlink:label="loc_nbn_LineOfCreditFederalHomeLoanBankOfBostonMember" xlink:title="LineOfCreditFederalHomeLoanBankOfBostonMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain" xlink:to="loc_nbn_LineOfCreditFederalHomeLoanBankOfBostonMember" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankStateDomain to loc_nbn_LineOfCreditFederalHomeLoanBankOfBostonMember" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:title="FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:to="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable to loc_us-gaap_BalanceSheetLocationAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable" xlink:title="FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable" xlink:type="arc" use="optional" order="3" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate" xlink:label="loc_nbn_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_nbn_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_nbn_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFiveToSixYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate" xlink:type="arc" use="optional" order="4" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems to loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:type="arc" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:title="FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:label="loc_us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:title="AdvancesFromFederalHomeLoanBanks" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:type="arc" use="optional" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate" xlink:title="FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate" xlink:title="Definition : loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate" xlink:type="arc" use="optional" order="8001" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DisclosurePremisesAndEquipmentDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:title="PropertyPlantAndEquipmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentLineItems to loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" use="optional" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember" xlink:title="RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis" xlink:to="loc_us-gaap_RangeMember" xlink:title="Definition : loc_us-gaap_RangeAxis to loc_us-gaap_RangeMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis to loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember" xlink:title="MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MinimumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MinimumMember" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember" xlink:title="LandMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="loc_us-gaap_LandMember" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentTypeDomain to loc_us-gaap_LandMember" xlink:type="arc" use="optional" order="1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain_1" xlink:title="PropertyPlantAndEquipmentTypeDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="PropertyPlantAndEquipmentTypeDomain_1" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis to loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember" xlink:title="MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember" xlink:to="loc_us-gaap_MaximumMember" xlink:title="Definition : loc_us-gaap_RangeMember to loc_us-gaap_MaximumMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember" xlink:title="BuildingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="loc_us-gaap_BuildingMember" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentTypeDomain to loc_us-gaap_BuildingMember" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentLineItems to loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:type="arc" use="optional" order="2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="loc_us-gaap_RangeAxis" xlink:title="Definition : loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to loc_us-gaap_RangeAxis" xlink:type="arc" use="optional" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="loc_us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="AssetsHeldUnderCapitalLeasesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="loc_us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentTypeDomain to loc_us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentLineItems to loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="arc" use="optional" order="3" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_LeaseholdAndBuildingImprovementsMember" xlink:label="loc_nbn_LeaseholdAndBuildingImprovementsMember" xlink:title="LeaseholdAndBuildingImprovementsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="loc_nbn_LeaseholdAndBuildingImprovementsMember" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentTypeDomain to loc_nbn_LeaseholdAndBuildingImprovementsMember" xlink:type="arc" use="optional" order="4" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_FurnitureFixturesAndEquipmentMember" xlink:label="loc_nbn_FurnitureFixturesAndEquipmentMember" xlink:title="FurnitureFixturesAndEquipmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="loc_nbn_FurnitureFixturesAndEquipmentMember" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentTypeDomain to loc_nbn_FurnitureFixturesAndEquipmentMember" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentLineItems to loc_us-gaap_DepreciationDepletionAndAmortization" xlink:type="arc" use="optional" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="PropertyPlantAndEquipmentUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="Definition : loc_us-gaap_PropertyPlantAndEquipmentLineItems to loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="arc" order="6" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/StatementOfStockholdersEquity">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:title="StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StatementTable" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StatementTable" xlink:type="arc" use="optional" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:title="EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="loc_us-gaap_EquityComponentDomain" xlink:title="Definition : loc_us-gaap_StatementEquityComponentsAxis to loc_us-gaap_EquityComponentDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="loc_us-gaap_ClassOfStockDomain" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember" xlink:title="PreferredStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_PreferredStockMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_PreferredStockMember" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VotingCommonStockMember" xlink:label="loc_nbn_VotingCommonStockMember" xlink:title="VotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_nbn_VotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_nbn_VotingCommonStockMember" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:title="StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:title="StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:title="Definition : loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities to loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" xlink:title="StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited" xlink:title="StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited" xlink:title="Definition : loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures to loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_RedemptionOfPreferredStockAndWarrants" xlink:label="loc_nbn_RedemptionOfPreferredStockAndWarrants" xlink:title="RedemptionOfPreferredStockAndWarrants" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_RedemptionOfPreferredStockAndWarrantsShares" xlink:label="loc_nbn_RedemptionOfPreferredStockAndWarrantsShares" xlink:title="RedemptionOfPreferredStockAndWarrantsShares" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nbn_RedemptionOfPreferredStockAndWarrants" xlink:to="loc_nbn_RedemptionOfPreferredStockAndWarrantsShares" xlink:title="Definition : loc_nbn_RedemptionOfPreferredStockAndWarrants to loc_nbn_RedemptionOfPreferredStockAndWarrantsShares" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:label="loc_us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:title="StockholdersEquityPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="Definition : loc_us-gaap_StockholdersEquityPeriodIncreaseDecrease to loc_us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:type="arc" use="optional" order="10" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_StatementEquityComponentsAxis" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain_1" xlink:title="EquityComponentDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="EquityComponentDomain_1" xlink:title="Definition : loc_us-gaap_StatementEquityComponentsAxis to loc_us-gaap_EquityComponentDomain" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonvotingCommonStockMember" xlink:label="loc_us-gaap_NonvotingCommonStockMember" xlink:title="NonvotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_us-gaap_NonvotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_us-gaap_NonvotingCommonStockMember" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockholdersEquity" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockholdersEquity" xlink:type="arc" use="optional" order="20" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_StatementClassOfStockAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_StatementClassOfStockAxis" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember" xlink:title="RetainedEarningsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_RetainedEarningsMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_RetainedEarningsMember" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued" xlink:title="SharesIssued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_SharesIssued" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_SharesIssued" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="AccumulatedOtherComprehensiveIncomeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_NetIncomeLoss" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_NetIncomeLoss" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:type="arc" use="optional" order="50" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="loc_us-gaap_DividendsPreferredStock" xlink:title="DividendsPreferredStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_DividendsPreferredStock" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_DividendsPreferredStock" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock" xlink:title="DividendsCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_DividendsCommonStock" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_DividendsCommonStock" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:title="AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="arc" use="optional" order="100" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures" xlink:type="arc" use="optional" order="110" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_nbn_RedemptionOfPreferredStockAndWarrants" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_nbn_RedemptionOfPreferredStockAndWarrants" xlink:type="arc" use="optional" order="120" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:title="AdjustmentsToAdditionalPaidInCapitalOther" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:type="arc" use="optional" order="130" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:type="arc" use="optional" order="140" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:title="DeferredCompensationShareBasedPaymentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendsShares" xlink:label="loc_us-gaap_PreferredStockDividendsShares" xlink:title="PreferredStockDividendsShares" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsPreferredStock" xlink:to="loc_us-gaap_PreferredStockDividendsShares" xlink:title="Definition : loc_us-gaap_DividendsPreferredStock to loc_us-gaap_PreferredStockDividendsShares" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsShares" xlink:label="loc_us-gaap_CommonStockDividendsShares" xlink:title="CommonStockDividendsShares" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStock" xlink:to="loc_us-gaap_CommonStockDividendsShares" xlink:title="Definition : loc_us-gaap_DividendsCommonStock to loc_us-gaap_CommonStockDividendsShares" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:title="StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:title="Definition : loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue to loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:title="StockIssuedDuringPeriodValueRestrictedStockAwardGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:title="StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:title="Definition : loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross to loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:title="StockIssuedDuringPeriodValueNewIssues" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:title="Definition : loc_us-gaap_StockIssuedDuringPeriodValueNewIssues to loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember" xlink:title="WarrantMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="loc_us-gaap_WarrantMember" xlink:title="Definition : loc_us-gaap_EquityComponentDomain to loc_us-gaap_WarrantMember" xlink:type="arc" use="optional" order="8010" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_StockIssuanceCost" xlink:label="loc_nbn_StockIssuanceCost" xlink:title="StockIssuanceCost" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_nbn_StockIssuanceCost" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_nbn_StockIssuanceCost" xlink:type="arc" use="optional" order="8020" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/CashFlows">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:title="StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StatementTable" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StatementTable" xlink:type="arc" use="optional" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="loc_us-gaap_BalanceSheetLocationDomain" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationAxis to loc_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansMember" xlink:label="loc_us-gaap_LoansMember" xlink:title="LoansMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_LoansMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_LoansMember" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_NetIncomeLoss" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to loc_us-gaap_NetIncomeLoss" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="loc_us-gaap_ProvisionForLoanAndLeaseLosses" xlink:title="ProvisionForLoanAndLeaseLosses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_ProvisionForLoanAndLeaseLosses" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_ProvisionForLoanAndLeaseLosses" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:title="IncreaseDecreaseInOtherOperatingAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:title="Definition : loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:title="ProceedsFromSaleOfAvailableForSaleSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeposits" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits" xlink:title="IncreaseDecreaseInDeposits" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_IncreaseDecreaseInDeposits" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:title="SupplementalCashFlowInformationAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="Definition : loc_us-gaap_SupplementalCashFlowInformationAbstract to loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TransferOfLoansToForeclosedAssets" xlink:label="loc_nbn_TransferOfLoansToForeclosedAssets" xlink:title="TransferOfLoansToForeclosedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="loc_nbn_TransferOfLoansToForeclosedAssets" xlink:title="Definition : loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to loc_nbn_TransferOfLoansToForeclosedAssets" xlink:type="arc" use="optional" order="10" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_BalanceSheetLocationAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_BalanceSheetLocationAxis" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepositsMember" xlink:label="loc_us-gaap_DepositsMember" xlink:title="DepositsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_DepositsMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_DepositsMember" xlink:type="arc" use="optional" order="20" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:type="arc" use="optional" order="20" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_GainLossOnSaleOfForeclosedAssets" xlink:label="loc_nbn_GainLossOnSaleOfForeclosedAssets" xlink:title="GainLossOnSaleOfForeclosedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_nbn_GainLossOnSaleOfForeclosedAssets" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_nbn_GainLossOnSaleOfForeclosedAssets" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:title="IncreaseDecreaseInOtherOperatingLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:title="Definition : loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:title="PaymentsToAcquireAvailableForSaleSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:title="ProceedsFromRepaymentsOfShortTermDebt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransferOfOtherRealEstate" xlink:label="loc_us-gaap_TransferOfOtherRealEstate" xlink:title="TransferOfOtherRealEstate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="loc_us-gaap_TransferOfOtherRealEstate" xlink:title="Definition : loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to loc_us-gaap_TransferOfOtherRealEstate" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BorrowingsMember" xlink:label="loc_us-gaap_BorrowingsMember" xlink:title="BorrowingsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="loc_us-gaap_BorrowingsMember" xlink:title="Definition : loc_us-gaap_BalanceSheetLocationDomain to loc_us-gaap_BorrowingsMember" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccretionExpense" xlink:label="loc_us-gaap_AccretionExpense" xlink:title="AccretionExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AccretionExpense" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AccretionExpense" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:type="arc" use="optional" order="30" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:title="ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:title="PaymentsOfDividendsPreferredStockAndPreferenceStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:label="loc_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:title="PaymentsForOriginationAndPurchasesOfLoansHeldForSale" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:label="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:title="PaymentsToAcquireLoansHeldForInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:type="arc" use="optional" order="40" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:title="PaymentsOfDividendsCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:label="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:title="ProceedsFromSaleOfLoansHeldForSale" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1" xlink:label="loc_us-gaap_ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1" xlink:title="ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromLoanAndLeaseOriginationsAndPrincipalCollections1" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:title="ProceedsFromFederalHomeLoanBankAdvances" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:title="NetCashProvidedByUsedInContinuingOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_GainLossOnSaleOfLoansHeldForSale" xlink:label="loc_nbn_GainLossOnSaleOfLoansHeldForSale" xlink:title="GainLossOnSaleOfLoansHeldForSale" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_nbn_GainLossOnSaleOfLoansHeldForSale" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_nbn_GainLossOnSaleOfLoansHeldForSale" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:title="PaymentsOfStockIssuanceCosts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:label="loc_nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:title="GainLossOnSaleOfLoansHeldForInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" xlink:label="loc_us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" xlink:title="ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" xlink:type="arc" use="optional" order="70" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets" xlink:title="AmortizationOfIntangibleAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AmortizationOfIntangibleAssets" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:title="ProceedsFromSaleOfForeclosedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PaymentsForRedemptionOfPreferredStockAndWarrants" xlink:label="loc_nbn_PaymentsForRedemptionOfPreferredStockAndWarrants" xlink:title="PaymentsForRedemptionOfPreferredStockAndWarrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_nbn_PaymentsForRedemptionOfPreferredStockAndWarrants" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_nbn_PaymentsForRedemptionOfPreferredStockAndWarrants" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BankOwnedLifeInsuranceIncome" xlink:label="loc_us-gaap_BankOwnedLifeInsuranceIncome" xlink:title="BankOwnedLifeInsuranceIncome" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_BankOwnedLifeInsuranceIncome" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_BankOwnedLifeInsuranceIncome" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLifeInsurancePolicies" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies" xlink:title="ProceedsFromLifeInsurancePolicies" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromLifeInsurancePolicies" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromLifeInsurancePolicies" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:title="RepaymentsOfLongTermCapitalLeaseObligations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation" xlink:title="Depreciation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_Depreciation" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_Depreciation" xlink:type="arc" use="optional" order="100" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" xlink:label="loc_us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" xlink:title="ProceedsFromSaleOfLoansHeldForInvestment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" xlink:type="arc" use="optional" order="100" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:type="arc" use="optional" order="100" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:title="GainLossOnSaleOfPropertyPlantEquipment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:type="arc" use="optional" order="110" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:type="arc" use="optional" order="110" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:title="AvailableForSaleSecuritiesGrossRealizedGainLossNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:type="arc" use="optional" order="120" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_ShareBasedCompensation" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_ShareBasedCompensation" xlink:type="arc" use="optional" order="130" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:title="AccretionAmortizationOfDiscountsAndPremiumsInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:type="arc" use="optional" order="140" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc" use="optional" order="150" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:label="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="BusinessCombinationBargainPurchaseGainRecognizedAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:title="IncreaseDecreaseInAccruedInterestReceivableNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:title="Definition : loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:label="loc_us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:title="ProceedsFromSaleOfFederalReserveStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForFederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_PaymentsForFederalHomeLoanBankAdvances" xlink:title="PaymentsForFederalHomeLoanBankAdvances" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsForFederalHomeLoanBankAdvances" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsForFederalHomeLoanBankAdvances" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_TransfersFromPremisesAndEquipmentToRepossessedCollateral" xlink:label="loc_nbn_TransfersFromPremisesAndEquipmentToRepossessedCollateral" xlink:title="TransfersFromPremisesAndEquipmentToRepossessedCollateral" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="loc_nbn_TransfersFromPremisesAndEquipmentToRepossessedCollateral" xlink:title="Definition : loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to loc_nbn_TransfersFromPremisesAndEquipmentToRepossessedCollateral" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid" xlink:title="InterestPaid" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="loc_us-gaap_InterestPaid" xlink:title="Definition : loc_us-gaap_SupplementalCashFlowInformationAbstract to loc_us-gaap_InterestPaid" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_DeferredIncomeTaxExpenseBenefitContinuingDiscontinuedOperations" xlink:label="loc_nbn_DeferredIncomeTaxExpenseBenefitContinuingDiscontinuedOperations" xlink:title="DeferredIncomeTaxExpenseBenefitContinuingDiscontinuedOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_nbn_DeferredIncomeTaxExpenseBenefitContinuingDiscontinuedOperations" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_nbn_DeferredIncomeTaxExpenseBenefitContinuingDiscontinuedOperations" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_PaymentsForRegulatoryStock" xlink:label="loc_nbn_PaymentsForRegulatoryStock" xlink:title="PaymentsForRegulatoryStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_nbn_PaymentsForRegulatoryStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_nbn_PaymentsForRegulatoryStock" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid" xlink:title="IncomeTaxesPaid" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="loc_us-gaap_IncomeTaxesPaid" xlink:title="Definition : loc_us-gaap_SupplementalCashFlowInformationAbstract to loc_us-gaap_IncomeTaxesPaid" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:title="DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:title="Definition : loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:type="arc" use="optional" order="8020" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock" xlink:label="loc_us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock" xlink:title="PaymentsForProceedsFromFederalHomeLoanBankStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock" xlink:type="arc" use="optional" order="8020" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherDebt" xlink:title="RepaymentsOfOtherDebt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_RepaymentsOfOtherDebt" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_RepaymentsOfOtherDebt" xlink:type="arc" use="optional" order="8020" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:title="ProceedsFromDivestitureOfBusinesses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to loc_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:type="arc" use="optional" order="8030" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:label="loc_us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:title="IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="loc_us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:title="Definition : loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to loc_us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:type="arc" use="optional" order="8030" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/BalanceSheet">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:title="StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StatementTable" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StatementTable" xlink:type="arc" use="optional" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="loc_us-gaap_ClassOfStockDomain" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndDueFromBanks" xlink:label="loc_us-gaap_CashAndDueFromBanks" xlink:title="CashAndDueFromBanks" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_CashAndDueFromBanks" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_CashAndDueFromBanks" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract" xlink:title="LiabilitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepositsAbstract" xlink:label="loc_us-gaap_DepositsAbstract" xlink:title="DepositsAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_DepositsAbstract" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_DepositsAbstract" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DemandDepositAccounts" xlink:label="loc_us-gaap_DemandDepositAccounts" xlink:title="DemandDepositAccounts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DepositsAbstract" xlink:to="loc_us-gaap_DemandDepositAccounts" xlink:title="Definition : loc_us-gaap_DepositsAbstract to loc_us-gaap_DemandDepositAccounts" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_us-gaap_LiabilitiesAbstract" xlink:title="Definition : loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract to loc_us-gaap_LiabilitiesAbstract" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue" xlink:title="PreferredStockValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_PreferredStockValue" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_PreferredStockValue" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VotingCommonStockMember" xlink:label="loc_nbn_VotingCommonStockMember" xlink:title="VotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_nbn_VotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_nbn_VotingCommonStockMember" xlink:type="arc" use="optional" order="10" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_StatementClassOfStockAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_StatementClassOfStockAxis" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue" xlink:title="CashEquivalentsAtCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_CashEquivalentsAtCarryingValue" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestBearingDepositLiabilities" xlink:label="loc_us-gaap_InterestBearingDepositLiabilities" xlink:title="InterestBearingDepositLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DepositsAbstract" xlink:to="loc_us-gaap_InterestBearingDepositLiabilities" xlink:title="Definition : loc_us-gaap_DepositsAbstract to loc_us-gaap_InterestBearingDepositLiabilities" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:title="FederalHomeLoanBankAdvancesLongTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_us-gaap_CommitmentsAndContingencies" xlink:title="Definition : loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract to loc_us-gaap_CommitmentsAndContingencies" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue" xlink:title="CommonStockValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_CommonStockValue" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_CommonStockValue" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonvotingCommonStockMember" xlink:label="loc_us-gaap_NonvotingCommonStockMember" xlink:title="NonvotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_us-gaap_NonvotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_us-gaap_NonvotingCommonStockMember" xlink:type="arc" use="optional" order="20" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_AssetsAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_AssetsAbstract" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepositsMoneyMarketDeposits" xlink:label="loc_us-gaap_DepositsMoneyMarketDeposits" xlink:title="DepositsMoneyMarketDeposits" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DepositsAbstract" xlink:to="loc_us-gaap_DepositsMoneyMarketDeposits" xlink:title="Definition : loc_us-gaap_DepositsAbstract to loc_us-gaap_DepositsMoneyMarketDeposits" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:label="loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:title="SecuritiesSoldUnderAgreementsToRepurchase" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:type="arc" use="optional" order="30" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_us-gaap_StockholdersEquityAbstract" xlink:title="Definition : loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract to loc_us-gaap_StockholdersEquityAbstract" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital" xlink:title="AdditionalPaidInCapital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_AdditionalPaidInCapital" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_AdditionalPaidInCapital" xlink:type="arc" use="optional" order="30" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities" xlink:title="AvailableForSaleSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_AvailableForSaleSecurities" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_AvailableForSaleSecurities" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TimeDeposits" xlink:label="loc_us-gaap_TimeDeposits" xlink:title="TimeDeposits" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DepositsAbstract" xlink:to="loc_us-gaap_TimeDeposits" xlink:title="Definition : loc_us-gaap_DepositsAbstract to loc_us-gaap_TimeDeposits" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings" xlink:title="ShortTermBorrowings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_ShortTermBorrowings" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_ShortTermBorrowings" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:title="Definition : loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract to loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansReceivableHeldForSaleNet" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleNet" xlink:title="LoansReceivableHeldForSaleNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansReceivableHeldForSaleNet" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansReceivableHeldForSaleNet" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Deposits" xlink:label="loc_us-gaap_Deposits" xlink:title="Deposits" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DepositsAbstract" xlink:to="loc_us-gaap_Deposits" xlink:title="Definition : loc_us-gaap_DepositsAbstract to loc_us-gaap_Deposits" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:label="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:title="JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="LoansAndLeasesReceivableGrossCarryingAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="loc_us-gaap_CapitalLeaseObligations" xlink:title="CapitalLeaseObligations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_CapitalLeaseObligations" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_CapitalLeaseObligations" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_StockholdersEquity" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_StockholdersEquity" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="LoansAndLeasesReceivableAllowance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansAndLeasesReceivableAllowance" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities" xlink:title="OtherLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_OtherLiabilities" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_OtherLiabilities" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:title="LoansAndLeasesReceivableNetReportedAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities" xlink:title="Liabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_Liabilities" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_Liabilities" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeclosedAssets" xlink:label="loc_us-gaap_ForeclosedAssets" xlink:title="ForeclosedAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_ForeclosedAssets" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_ForeclosedAssets" xlink:type="arc" use="optional" order="100" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:label="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:title="FederalHomeLoanBankStockAndFederalReserveBankStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:type="arc" use="optional" order="110" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="arc" use="optional" order="120" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BankOwnedLifeInsurance" xlink:label="loc_us-gaap_BankOwnedLifeInsurance" xlink:title="BankOwnedLifeInsurance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_BankOwnedLifeInsurance" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_BankOwnedLifeInsurance" xlink:type="arc" use="optional" order="130" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets" xlink:title="OtherAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_OtherAssets" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_OtherAssets" xlink:type="arc" use="optional" order="140" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets" xlink:title="Assets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_Assets" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_Assets" xlink:type="arc" use="optional" order="150" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalHomeLoanBankStock" xlink:label="loc_us-gaap_FederalHomeLoanBankStock" xlink:title="FederalHomeLoanBankStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_FederalHomeLoanBankStock" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_FederalHomeLoanBankStock" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherBorrowings" xlink:label="loc_us-gaap_OtherBorrowings" xlink:title="OtherBorrowings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_OtherBorrowings" xlink:title="Definition : loc_us-gaap_LiabilitiesAbstract to loc_us-gaap_OtherBorrowings" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding" xlink:title="WarrantsAndRightsOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_WarrantsAndRightsOutstanding" xlink:type="arc" use="optional" order="8000" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FederalReserveBankStock" xlink:label="loc_us-gaap_FederalReserveBankStock" xlink:title="FederalReserveBankStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_FederalReserveBankStock" xlink:title="Definition : loc_us-gaap_AssetsAbstract to loc_us-gaap_FederalReserveBankStock" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationEquity" xlink:label="loc_us-gaap_DeferredCompensationEquity" xlink:title="DeferredCompensationEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="loc_us-gaap_DeferredCompensationEquity" xlink:title="Definition : loc_us-gaap_StockholdersEquityAbstract to loc_us-gaap_DeferredCompensationEquity" xlink:type="arc" use="optional" order="8010" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/BalanceSheetParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:title="StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_StatementTable" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_StatementTable" xlink:type="arc" use="optional" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="loc_us-gaap_ClassOfStockDomain" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VotingCommonStockMember" xlink:label="loc_nbn_VotingCommonStockMember" xlink:title="VotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_nbn_VotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_nbn_VotingCommonStockMember" xlink:type="arc" use="optional" order="10" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable" xlink:to="loc_us-gaap_StatementClassOfStockAxis" xlink:title="Definition : loc_us-gaap_StatementTable to loc_us-gaap_StatementClassOfStockAxis" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonvotingCommonStockMember" xlink:label="loc_us-gaap_NonvotingCommonStockMember" xlink:title="NonvotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_us-gaap_NonvotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_us-gaap_NonvotingCommonStockMember" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:title="PreferredStockParOrStatedValuePerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:title="PreferredStockSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_PreferredStockSharesAuthorized" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued" xlink:title="PreferredStockSharesIssued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_PreferredStockSharesIssued" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_PreferredStockSharesIssued" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding" xlink:title="PreferredStockSharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_PreferredStockSharesOutstanding" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_CommonStockSharesAuthorized" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_CommonStockSharesAuthorized" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:title="CommonStockSharesIssued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_CommonStockSharesIssued" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_CommonStockSharesIssued" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_CommonStockSharesOutstanding" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_CommonStockSharesOutstanding" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockLiquidationPreference" xlink:label="loc_us-gaap_PreferredStockLiquidationPreference" xlink:title="PreferredStockLiquidationPreference" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="loc_us-gaap_PreferredStockLiquidationPreference" xlink:title="Definition : loc_us-gaap_StatementLineItems to loc_us-gaap_PreferredStockLiquidationPreference" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.northeastbank.com/role/DocumentAndEntityInformation">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems" xlink:title="EntityInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable" xlink:title="DocumentInformationTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_DocumentInformationTable" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_DocumentInformationTable" xlink:type="arc" use="optional" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="loc_us-gaap_ClassOfStockDomain" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="nbn-20131231.xsd#nbn_VotingCommonStockMember" xlink:label="loc_nbn_VotingCommonStockMember" xlink:title="VotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_nbn_VotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_nbn_VotingCommonStockMember" xlink:type="arc" use="optional" order="10" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable" xlink:to="loc_us-gaap_StatementClassOfStockAxis" xlink:title="Definition : loc_dei_DocumentInformationTable to loc_us-gaap_StatementClassOfStockAxis" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="ClassOfStockDomain_1" xlink:title="ClassOfStockDomain_1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="ClassOfStockDomain_1" xlink:title="Definition : loc_us-gaap_StatementClassOfStockAxis to loc_us-gaap_ClassOfStockDomain" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonvotingCommonStockMember" xlink:label="loc_us-gaap_NonvotingCommonStockMember" xlink:title="NonvotingCommonStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="loc_us-gaap_NonvotingCommonStockMember" xlink:title="Definition : loc_us-gaap_ClassOfStockDomain to loc_us-gaap_NonvotingCommonStockMember" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName" xlink:title="EntityRegistrantName" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityRegistrantName" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityRegistrantName" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey" xlink:title="EntityCentralIndexKey" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityCentralIndexKey" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityCentralIndexKey" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType" xlink:title="DocumentType" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_DocumentType" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_DocumentType" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_DocumentPeriodEndDate" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_DocumentPeriodEndDate" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag" xlink:title="AmendmentFlag" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_AmendmentFlag" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_AmendmentFlag" xlink:type="arc" use="optional" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentDescription" xlink:label="loc_dei_AmendmentDescription" xlink:title="AmendmentDescription" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_AmendmentDescription" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_AmendmentDescription" xlink:type="arc" use="optional" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_CurrentFiscalYearEndDate" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_CurrentFiscalYearEndDate" xlink:type="arc" use="optional" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" use="optional" order="90" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityVoluntaryFilers" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityVoluntaryFilers" xlink:type="arc" use="optional" order="100" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityCurrentReportingStatus" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityCurrentReportingStatus" xlink:type="arc" use="optional" order="110" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory" xlink:title="EntityFilerCategory" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityFilerCategory" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityFilerCategory" xlink:type="arc" use="optional" order="120" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat" xlink:title="EntityPublicFloat" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityPublicFloat" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityPublicFloat" xlink:type="arc" use="optional" order="130" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_EntityCommonStockSharesOutstanding" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" use="optional" order="140" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_DocumentFiscalYearFocus" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_DocumentFiscalYearFocus" xlink:type="arc" use="optional" order="150" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="loc_dei_DocumentFiscalPeriodFocus" xlink:title="Definition : loc_dei_EntityInformationLineItems to loc_dei_DocumentFiscalPeriodFocus" xlink:type="arc" use="optional" order="160" />
  </link:definitionLink>
</link:linkbase>
