﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xsi:schemaLocation="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-09-14T12:01:15-04:00</ReturnTs>
    <TaxPeriodEndDt>2026-04-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>920460586</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>PWC US TAX LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>4300 E CAMELBACK ROAD STE 475</AddressLine1Txt>
        <CityNm>PHOENIX</CityNm>
        <StateAbbreviationCd>AZ</StateAbbreviationCd>
        <ZIPCd>85018</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-05-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>636020389</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>NATIONAL CEMENT CO SUB TRUST</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>NATI</BusinessNameControlTxt>
      <PhoneNum>2058203141</PhoneNum>
      <USAddress>
        <AddressLine1Txt>P O BOX 11647</AddressLine1Txt>
        <CityNm>BIRMINGHAM</CityNm>
        <StateAbbreviationCd>AL</StateAbbreviationCd>
        <ZIPCd>35202</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>REGIONS BANK TRUSTEE</PersonNm>
      <PersonTitleTxt>TRUST OFFICER</PersonTitleTxt>
      <PhoneNum>2058203141</PhoneNum>
      <SignatureDt>2026-08-24</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>JEFFREY E KUHLIN</PreparerPersonNm>
      <PTIN>P00353001</PTIN>
      <PhoneNum>4123556000</PhoneNum>
      <PreparationDt>2026-08-24</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="IRS990EZ" referenceDocumentId="IRS990ScheduleO">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="17">X</Organization501cInd>
      <GrossReceiptsAmt>5124</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>5000</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>124</InvestmentIncomeAmt>
      <TotalRevenueAmt>5124</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>997</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1000</FeesAndOtherPymtToIndCntrctAmt>
      <TotalExpensesAmt>1997</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3127</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>738</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-9</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>3856</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>738</BOYAmt>
        <EOYAmt>3856</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>738</BOYAmt>
        <EOYAmt>3856</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>738</BOYAmt>
        <EOYAmt>3856</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>TRUST FUND ESTABLISHED TO HOLD ASSETS OF NATIONAL CEMENT COMPANY'S SUPPLEMENTAL UNEMPLOYMENT BENEFIT PLAN.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PAYMENTS TO PLAN PARTICIPANTS</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>REGIONS BANK</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.0</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>997</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <InitiationFeesAndCapContriAmt>0</InitiationFeesAndCapContriAmt>
      <GrossReceiptsForPublicUseAmt>0</GrossReceiptsForPublicUseAmt>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>REGIONS BANK</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>250 RIVERCHASE PARKWAY EAST</AddressLine1Txt>
          <CityNm>BIRMINGHAM</CityNm>
          <StateAbbreviationCd>AL</StateAbbreviationCd>
          <ZIPCd>35244</ZIPCd>
        </USAddress>
        <PhoneNum>2058203141</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
    </IRS990EZ>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>MUTUAL FUND TIMING ADJ 9</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>