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        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HDR Engineering Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>970 S 29th St</AddressLine1Txt>
            <CityNm>Billings</CityNm>
            <StateAbbreviationCd>MT</StateAbbreviationCd>
            <ZIPCd>59102</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Electrical Engineering</ServicesDesc>
        <CompensationAmt>2308139</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>JRG Power LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 503</AddressLine1Txt>
            <CityNm>Sturgis</CityNm>
            <StateAbbreviationCd>SD</StateAbbreviationCd>
            <ZIPCd>57785</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Electric Distribution Construction</ServicesDesc>
        <CompensationAmt>1260301</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>15</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>Electric Revenues</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>435946377</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>435946377</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Capital Credits</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>25428771</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>25428771</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>461375148</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
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        <ExclusionAmt>2126831</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
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      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>35456558</SecuritiesAmt>
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      <GainOrLossGrp>
        <SecuritiesAmt>-1604</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-1604</TotalRevenueColumnAmt>
        <ExclusionAmt>-1604</ExclusionAmt>
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      <GrossSalesOfInventoryAmt>721493</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>645384</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>76109</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>76109</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>463576484</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>461451257</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2125227</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <BenefitsToMembersGrp>
        <TotalAmt>52848618</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1083276</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>14412245</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>3424737</TotalAmt>
      </PensionPlanContributionsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1121631</TotalAmt>
      </PayrollTaxesGrp>
      <InterestGrp>
        <TotalAmt>16767213</TotalAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>23200560</TotalAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>Cost of Power</Desc>
        <TotalAmt>333857478</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Distribution Expense</Desc>
        <TotalAmt>19370627</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Administrative and Gene</Desc>
        <TotalAmt>6809380</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Customer Accounts</Desc>
        <TotalAmt>2035136</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>-13481254</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>461449647</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>36001569</BOYAmt>
        <EOYAmt>28971184</EOYAmt>
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      <AccountsReceivableGrp>
        <BOYAmt>30581650</BOYAmt>
        <EOYAmt>35100519</EOYAmt>
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      <InventoriesForSaleOrUseGrp>
        <BOYAmt>18054531</BOYAmt>
        <EOYAmt>29524298</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>30930449</BOYAmt>
        <EOYAmt>52496759</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>758684593</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>176809140</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>546922877</BOYAmt>
        <EOYAmt>581875453</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
        <BOYAmt>623048</BOYAmt>
        <EOYAmt>809654</EOYAmt>
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      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>500</BOYAmt>
        <EOYAmt>500</EOYAmt>
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      <InvestmentsProgramRelatedGrp>
        <BOYAmt>141388282</BOYAmt>
        <EOYAmt>164385964</EOYAmt>
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      <OtherAssetsTotalGrp>
        <BOYAmt>25153</BOYAmt>
        <EOYAmt>99500</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>804528059</BOYAmt>
        <EOYAmt>893263831</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>38415476</BOYAmt>
        <EOYAmt>46256044</EOYAmt>
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      <DeferredRevenueGrp>
        <BOYAmt>17278801</BOYAmt>
        <EOYAmt>20890439</EOYAmt>
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      <EscrowAccountLiabilityGrp>
        <BOYAmt>1466</BOYAmt>
        <EOYAmt>1458</EOYAmt>
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      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>364926986</BOYAmt>
        <EOYAmt>397518587</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>35822263</BOYAmt>
        <EOYAmt>39299903</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>456444992</BOYAmt>
        <EOYAmt>503966431</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>14160124</BOYAmt>
        <EOYAmt>15785704</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>333922943</BOYAmt>
        <EOYAmt>373511696</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>348083067</BOYAmt>
        <EOYAmt>389297400</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>804528059</BOYAmt>
        <EOYAmt>893263831</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>2126837</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>39087496</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <AgentTrusteeEtcInd>0</AgentTrusteeEtcInd>
      <InclEscrowCustodialAcctLiabInd>1</InclEscrowCustodialAcctLiabInd>
      <ExplanationProvidedInd>X</ExplanationProvidedInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>7635202</OtherCostOrOtherBasisAmt>
        <BookValueAmt>7635202</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>75810514</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>11772911</DepreciationAmt>
        <BookValueAmt>64037603</BookValueAmt>
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      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>613370920</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>165036229</DepreciationAmt>
        <BookValueAmt>448334691</BookValueAmt>
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      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>61867957</OtherCostOrOtherBasisAmt>
        <BookValueAmt>61867957</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>581875453</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>Patronage Capital</Desc>
        <BookValueAmt>163430470</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>RESC Stock</Desc>
        <BookValueAmt>500</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>NRUFC Certificates</Desc>
        <BookValueAmt>691369</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
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      <InvstProgramRelatedOrgGrp>
        <Desc>Memberships</Desc>
        <BookValueAmt>9975</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
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      <InvstProgramRelatedOrgGrp>
        <Desc>Revolving Loan Pool</Desc>
        <BookValueAmt>253650</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
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      <OtherLiabilitiesOrgGrp>
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        <Desc>Customer Deposits</Desc>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Customer Construction Prepayments</Desc>
        <Amt>9388143</Amt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>463576484</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>408601029</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>52848618</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>52848618</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>461449647</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IV, Line 2b:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative collects funds for the Operation Round Up program for the Mountrail Cooperative Trust and the Williams Cooperative Trust from the members. These funds are recorded as a liability on the Cooperative financials until they are released to the Trust on a quarterly basis. Mountrail Cooperative Trust receives 45% of the funds, while Williams Cooperative Trust receives 55% of the funds. The amount recorded in the financial statements at December 31, 2023 was $1,458.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative evaluates its tax positions that have been taken or are expected to be taken on income tax returns to determine if an accrual is necessary for uncertain tax positions. As of December 31, 2023 and 2022, the unrecognized tax benefit accrual was zero. The Cooperative will recognize future accrued interest and penalties related to unrecognized tax benefits in income tax expense if incurred. The Cooperative is no longer subject to Federal tax examinations by tax authorities for years before 2020 and state examinations for years before 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Allocated Patronage Capital 52,848,618.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
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        <PersonNm>Dale L Haugen</PersonNm>
        <TitleTxt>General Manager</TitleTxt>
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        <OtherCompensationFilingOrgAmt>33389</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>134330</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>35684</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>512385</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jay P Lux</PersonNm>
        <TitleTxt>CFO</TitleTxt>
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        <BonusFilingOrganizationAmount>1800</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>3498</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>150604</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>34388</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>420503</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Darin Swensrud</PersonNm>
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        <DeferredCompensationFlngOrgAmt>120610</DeferredCompensationFlngOrgAmt>
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        <TotalCompensationFilingOrgAmt>330847</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Alex Vournas</PersonNm>
        <TitleTxt>COO</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>42255</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>35544</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>305398</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <PersonNm>Jerry Rehak</PersonNm>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <PersonNm>Matthew Glueckert</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II, Column C, Deferred Compensation</FormAndLineReferenceDesc>
        <ExplanationTxt>Included in other compensation is the estimated current year increase in the actuarial value of the defined benefit plan. These amounts do not represent any current year contributions to the plan. They are estimates of the increase in the actuarial value of the plans received from the NRECA. The current year expense and the increase in actuarial value for each employee are reflected in the statement for Form 990, Part VII, Column f.</ExplanationTxt>
      </SupplementalInformationDetail>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative has one class of members. Each member has one vote. A household is considered to be one member.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The members of the Cooperative elect the Board of Directors. Each member has one vote.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Changes in the Cooperative's Bylaws and the sale of a high percentage of the Cooperative's assets must be approved by the members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>There are no committees with the authority to act on behalf of the full Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Business Manager and General Manager will review a draft. The approved Form 990 will be presented at a board meeting prior to filing with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Directors of Mountrail-Williams Electric Cooperative are expected to disclose a situation which, in their opinion, is or could appear to be a conflict of interest. After such a disclosure, the Director must leave the Board meeting when issues involving the conflict of interest are discussed. The Director is not allowed to vote on issues regarding the conflict of interest.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board performed an evaluation of the General Manager. They compared his compensation with the state wide salary survey as a guide to the compensation amount. The Board votes on the compensation. For the General Manager this is an annual occurrence. The Board negotiates with the union in regards to staff increases. The Business Manager's salary is determined by the General Manager.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization makes its governing documents, conflict of interest policy and financial statements available upon request. All new members receive a copy of the bylaws upon becoming a member. A financial report is distributed at the members' annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII</FormAndLineReferenceDesc>
        <ExplanationTxt>Other Compensation: Included in column "F", Estimated Amount of Other Compensation, is the estimated annual increase in the actuarial value of the defined benefit plan. The estimated increase is as follows for those listed in Part VII: Dale Haugen $121,694 Jay Lux $144,661 Alex Vournas $18,714 Jerry Rehak $56,561 Leah Johnson Ellis $16,623 Matthew Glueckert $20,922 Darin Swensrud $113,379 These amounts are estimates in the increase of the value of the plan and are not current year expenses of the Cooperative. The current year expense for this defined benefit plan was as follows: Dale Haugen $116,796 Jay Lux $88,205 Alex Vournas $35,002 Jerry Rehak $74,974 Leah Johnson Ellis $30,359 Matthew Glueckert $27,399 Darin Swensrud $66,834</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>Allocated Costs: The labor, pension and payroll taxes reported on lines 5-10 are already included in distribution expense, administrative &amp; general expense and customer expense. Therefore, these amounts are being subtracted out as an other deduction on line 24e in the amount of $(20,041,889).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Functional Expense, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>Benefits Paid to Members: The Cooperative has interpreted the instructions to Part IX, Line 4, to mean patronage capital allocated for the year, rather than patronage capital retired. This is consistent with the Bylaws of the Cooperative.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Retirement of Capital Credits -14,635,943. Discounted Estate Requirements 19,409. Unclaimed Capital Credits 855,412. Patronage Capital Credits Allocated For Current Year 52,848,618.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>Mountrail Cooperative Trust Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 1346</AddressLine1Txt>
          <CityNm>Williston</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
          <ZIPCd>58802</ZIPCd>
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        <EIN>911796201</EIN>
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        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
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          <CityNm>Williston</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
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