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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VI, SECTION A, LINES 1A &amp; 1B &amp; PART VII</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BANK OF NEW YORK MELLON SERVES AS THE SOLE DIRECTED TRUSTEE OF AMERICAN ELECTRIC POWER SYSTEM EMPLOYEES BENEFIT TRUST. THE PLAN SPONSOR IS AMERICAN ELECTRIC POWER SERVICE CORPORATION. AMERICAN ELECTRIC POWER SYSTEM EMPLOYEES BENEFIT TRUST IS ADMINISTERED BY THE PLAN SPONSOR IN ACCORDANCE WITH THE TERMS OF THE TRUST AGREEMENT. AS SUCH, THE VEBA DOES NOT HAVE A GOVERNING BODY THAT EXERCISES DISCRETION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VI, SECTION A &amp; B, LINES 8, 12-15</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>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMPLETE ELECTRONIC COPY OF THE ORGANIZATION'S FORM 990 WAS PROVIDED TO THE TRUSTEE FOR REVIEW PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VII, SECTION A, LINE 1A COLUMN (B)</FormAndLineReferenceDesc>
        <ExplanationTxt>AVERAGE HOURS PER WEEK DEVOTED TO POSITIONS: AS TRUSTEE, THE BANK OF NEW YORK MELLON PROVIDES ADMINISTRATIVE SERVICES SUCH AS ACTING AS INVESTMENT MANAGER FOR THE AMERICAN ELECTRIC POWER SYSTEM EMPLOYEES BENEFIT TRUST. THESE SERVICES REQUIRE NUMEROUS INDIVIDUAL BANK EMPLOYEES' INVOLVEMENT IN THE ACTIVITIES OF THE ORGANIZATION AND THUS CANNOT BE QUANTIFIED ON AN HOURLY BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VII, SECTION A, LINE 1A COLUMN (B) CONTINUED</FormAndLineReferenceDesc>
        <ExplanationTxt>THEREFORE THE TRUSTEE'S FEES ARE NOT BASED UPON 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 THE AMERICAN ELECTRIC POWER SERVICE CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>MODIFIED CASH BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A 501 (C)(9) ORGANIZATION THE TRUST IS NOT REQUIRED TO MAKE THE DOCUMENTS REFERENCED IN QUESTION 19 AVAILABLE TO THE GENERAL PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>AMERICAN ELECTRIC POWER SERVICE CORP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1 RIVERSIDE PLAZA</AddressLine1Txt>
          <CityNm>COLUMBUS</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>43215</ZIPCd>
        </USAddress>
        <EIN>134922641</EIN>
        <PrimaryActivitiesTxt>MGMT &amp; ADMIN</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <EntityTypeTxt>C corp</EntityTypeTxt>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>AEP ENERGY PARTNERS, INC. EIN: 77-0690681. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>AEP GENERATING COMPANY. EIN: 31-1033833. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>AEP GENERATION RESOURCES, INC. EIN: 45-4037588. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>APPALACHIAN POWER COMPANY. EIN: 54-0124790. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>INDIANA MICHIGAN POWER COMPANY. EIN: 35-0410455. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>KENTUCKY POWER COMPANY. EIN: 61-0247775. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>KINGSPORT POWER COMPANY. EIN: 54-0272625. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>OHIO POWER COMPANY. EIN: 31-4271000. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLIC SERVICE COMPANY OF OKLAHOMA. EIN: 73-0410895. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>SOUTHWESTERN ELECTRIC POWER COMPANY. EIN: 72-0323455. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>WHEELING POWER COMPANY. EIN: 55-0309620. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>AEP ONSITE PARTNERS LLC. EIN: 47-4975125. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>AEP TEXAS, INC.. EIN: 51-0007707. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>DOLET HILLS LIGNITE COMPANY, LLC. EIN: 72-1501539. DIRECT CONTROLLING ENTITY: N/A</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>