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  <xsd:element id="nnn_AllowanceRentalIncome" name="AllowanceRentalIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_AmortizationOfInterestRateHedges" name="AmortizationOfInterestRateHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_AtmEquityProgram2013Member" name="AtmEquityProgram2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_AtmEquityProgramMember" name="AtmEquityProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_BuildingPortionSubjectToDirectFinancingLandPortionSubjectToOperatingLeaseMember" name="BuildingPortionSubjectToDirectFinancingLandPortionSubjectToOperatingLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_ConvertibleNotesPayable2028Member" name="ConvertibleNotesPayable2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ConvertibleNotesPayableTextBlock" name="ConvertibleNotesPayableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_DebtInstrumentConvertibleAverageDailyClosingPricePeriod" name="DebtInstrumentConvertibleAverageDailyClosingPricePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_DebtInstrumentMaturityDateOptionToExtend" name="DebtInstrumentMaturityDateOptionToExtend" nillable="true" substitutionGroup="xbrli:item" type="xbrli:dateItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_DisclosureOfLongLivedAssetsHeldForSaleGainsRecognizedTableTextBlock" name="DisclosureOfLongLivedAssetsHeldForSaleGainsRecognizedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_DripAndAtmEquityProgramMember" name="DripAndAtmEquityProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_EarningsAttributableToUnvestedRestrictedSharesUsingTwoClassMethod" name="EarningsAttributableToUnvestedRestrictedSharesUsingTwoClassMethod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodLineItems" name="EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_EquityPlanNameAxis" name="EquityPlanNameAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_EquityPlanNameDomain" name="EquityPlanNameDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_EquityProgramNumberOfSharesAuthorizedToBeIssued" name="EquityProgramNumberOfSharesAuthorizedToBeIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ExcessStock" name="ExcessStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_ExcessStockParOrStatedValuePerShare" name="ExcessStockParOrStatedValuePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_GainLossOnDispositionOfAssetsParentPortionContinuingOperations" name="GainLossOnDispositionOfAssetsParentPortionContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nnn_GainLossOnDispositionOfAssetsTotalContinuingAndDiscontinuedOperations" name="GainLossOnDispositionOfAssetsTotalContinuingAndDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nnn_ImpairmentLossesAndOtherCharges" name="ImpairmentLossesAndOtherCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_ImpairmentLossesAndOtherChargesContinuingOperations" name="ImpairmentLossesAndOtherChargesContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_ImpairmentLossesContinuingOperationsNetofRecoveries" name="ImpairmentLossesContinuingOperationsNetofRecoveries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_ImpairmentLossesDiscontinuedOperaitons" name="ImpairmentLossesDiscontinuedOperaitons" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_IncreaseDecreaseInDirectFinancingAndSalesTypeLeases" name="IncreaseDecreaseInDirectFinancingAndSalesTypeLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nnn_IncrementalCommonSharesAttributableToDilutiveEffectOther" name="IncrementalCommonSharesAttributableToDilutiveEffectOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_InventoryBuildingHeldForSale" name="InventoryBuildingHeldForSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nnn_InvestmentPropertiesTotal" name="InvestmentPropertiesTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_IssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanShares" name="IssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_IssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanShares" name="IssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_IssuedSharesOfRestrictedAndUnrestrictedCommonStockShares" name="IssuedSharesOfRestrictedAndUnrestrictedCommonStockShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_LeaseholdInterests" name="LeaseholdInterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nnn_LeaseholdInterestsMember" name="LeaseholdInterestsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_LeasesAcquiredAboveInPlaceMember" name="LeasesAcquiredAboveInPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_LineOfCreditFacilitiesTableBlock" name="LineOfCreditFacilitiesTableBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_LineOfCreditFacilityOptionToIncreaseFacilitySizeThroughAccordionFeature" name="LineOfCreditFacilityOptionToIncreaseFacilitySizeThroughAccordionFeature" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_NetIncomeLossBeforeGainLossonDispositionofRealEstate" name="NetIncomeLossBeforeGainLossonDispositionofRealEstate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nnn_NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions" name="NoteandMortgageReceivableAcceptedinConnectionwithRealEstateTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_NotesPayableTextBlock" name="NotesPayableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_NumberOfDisposedPropertiesContinuingOperations" name="NumberOfDisposedPropertiesContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_NumberOfDisposedPropertiesDiscontinuedOperations" name="NumberOfDisposedPropertiesDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingAndOperatingLeases" name="NumberOfInvestmentPropertiesLeasedUnderDirectFinancingAndOperatingLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_NumberOfInvestmentPropertiesLeasedUnderDirectFinancingLeases" name="NumberOfInvestmentPropertiesLeasedUnderDirectFinancingLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_NumberOfInvestmentPropertiesLeasedUnderOperatingLeases" name="NumberOfInvestmentPropertiesLeasedUnderOperatingLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_NumberOfPropertiesClassifiedAsHeldForSale" name="NumberOfPropertiesClassifiedAsHeldForSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_PerformanceIncentivePlanExpense" name="PerformanceIncentivePlanExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_PerformanceIncentivePlanPayment" name="PerformanceIncentivePlanPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_PropertySubjectToDirectFinancingMember" name="PropertySubjectToDirectFinancingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_RealEstateFundingCommitmentsTableTextBlock" name="RealEstateFundingCommitmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_RealEstateInvestmentFundingCommitments" name="RealEstateInvestmentFundingCommitments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_RealEstateInvestmentFundingCommitmentsAmountFunded" name="RealEstateInvestmentFundingCommitmentsAmountFunded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_RealEstateInvestmentFundingCommitmentsNumberOfProperties" name="RealEstateInvestmentFundingCommitmentsNumberOfProperties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nnn_RealEstateInvestmentFundingCommitmentsRemainingCommitment" name="RealEstateInvestmentFundingCommitmentsRemainingCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nnn_RealEstateSubjectToOperatingLeasesBeforeWorkInProcess" name="RealEstateSubjectToOperatingLeasesBeforeWorkInProcess" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nnn_RealEstateSubjectToOperatingLeasesGross" name="RealEstateSubjectToOperatingLeasesGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nnn_ReconciliationOfResidualsTableTextBlock" name="ReconciliationOfResidualsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_SaleOfStockAverageStockPricePerShare" name="SaleOfStockAverageStockPricePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfComputationOfEarningsPerShareBasicAndDilutedTableTextBlock" name="ScheduleOfComputationOfEarningsPerShareBasicAndDilutedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfDebtInstrumentInterestExpenseTableTextBlock" name="ScheduleOfDebtInstrumentInterestExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfDividendsDeclaredAndPaidTableTextBlock" name="ScheduleOfDividendsDeclaredAndPaidTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfFiniteLivedIntangibleLeaseAssetsAndRelatedAmortizationTableTextBlock" name="ScheduleOfFiniteLivedIntangibleLeaseAssetsAndRelatedAmortizationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfInvestmentPropertiesTableTextBlock" name="ScheduleOfInvestmentPropertiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_ScheduleOfInvestmentPropertyLeasesTableTextBlock" name="ScheduleOfInvestmentPropertyLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_SeriesDDepositaryShareMember" name="SeriesDDepositaryShareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_SeriesEDepositaryShareMember" name="SeriesEDepositaryShareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_StockAuthorizedSharesEmployeeDividendReinvestmentAndStockPurchasePlan" name="StockAuthorizedSharesEmployeeDividendReinvestmentAndStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_StockValueAdjustment" name="StockValueAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_SupplementalChangeInOtherComprehensiveIncome" name="SupplementalChangeInOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nnn_SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue" name="SupplementalIssuedSharesOfCommonStockPursuantToDeferredDirectorFeePlanValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue" name="SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanForDirectorsValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nnn_SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue" name="SupplementalIssuedSharesOfCommonStockPursuantToPerformanceIncentivePlanValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_TwoThousandTwentySixNotesMember" name="TwoThousandTwentySixNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nnn_TwoThousandTwentyThreeNotesMember" name="TwoThousandTwentyThreeNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nnn_WeightedAverageRemainingLeaseTermYears" name="WeightedAverageRemainingLeaseTermYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
</xsd:schema>
