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        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE OFFICERS OR KEY EMPLOYEES THAT RECEIVE COMPENSATION. THEREFORE, THIS QUESTION IS NOT APPLICABLE AND HAS BEEN ANSWERED "NO" IN ACCORDANCE WITH THE FORM 990 INSTRUCTIONS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED INTERNALLY BY THE INVESTMENT TRUST DEPARTMENT OF AMEREN CORPORATION AS WELL AS THE ASSISTANT TREASURER PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial statements, governing documents, and conflict of interest policies are not required disclosures pursuant to Internal Revenue Code (IRC) Section 6104.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII, Section A AVERAGE HOURS PER WEEK</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BANK OF NEW YORK MELLON PROVIDES DIRECTED TRUSTEE SERVICES FOR AMEREN MANAGEMENT HEALTH TRUST. THESE SERVICES REQUIRE NUMEROUS INDIVIDUAL BANK EMPLOYEES' INVOLVEMENT IN THE ACTIVITIES OF THE ORGANIZATION AND THUS CANNOT BE QUANTIFIED ON AN HOURLY BASIS. THEREFORE, THE TRUSTEE'S FEES ARE NOT BASED UPON AN HOURLY BASIS BUT ARE CALCULATED BASED UPON FACTORS SUCH AS THE MARKET VALUE OF THE ACCOUNT AND IN ACCORDANCE WITH THE BANK OF NEW YORK MELLON'S AGREEMENT WITH AMEREN CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9 Other changes in net assets or fund balances</FormAndLineReferenceDesc>
        <ExplanationTxt>BOOK TO TAX DIFFERENCES - -528848;</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTIONS A &amp; B, LINES 8, 12-15 GOVERNING BODY &amp; MGMT/ POLICIES</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE QUESTIONS ARE NOT APPLICABLE TO THE TRUST. ADDITIONALLY, THE TRUST DOES NOT HAVE ANY EMPLOYEES. THEREFORE, NO PROCESSES RELATED TO EMPLOYEE COMPENSATION ARE IN PLACE.</ExplanationTxt>
      </SupplementalInformationDetail>
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          <AddressLine1Txt>ONE AMEREN PLAZA</AddressLine1Txt>
          <AddressLine2Txt>1901 CHOUTEAU AVE</AddressLine2Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63103</ZIPCd>
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        <PrimaryActivitiesTxt>PUBLIC UTILITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
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      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
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      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
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      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
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