﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2013v3.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2014-11-17T14:19:52-06:00</ReturnTs>
    <TaxPeriodEndDt>2013-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>381357951</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1>PLANTE &amp; MORAN PLLC</BusinessNameLine1>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1>10 S RIVERSIDE PLAZA 9TH FLOOR</AddressLine1>
        <City>CHICAGO</City>
        <State>IL</State>
        <ZIPCode>60606</ZIPCode>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2013-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237236436</EIN>
      <BusinessName>
        <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT</BusinessNameLine1>
        <BusinessNameLine2>TRUST C/O ACCOUNTING OPERATIONS</BusinessNameLine2>
      </BusinessName>
      <BusinessNameControlTxt>COMM</BusinessNameControlTxt>
      <PhoneNum>3123942819</PhoneNum>
      <USAddress>
        <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
        <City>CHICAGO</City>
        <State>IL</State>
        <ZIPCode>60603</ZIPCode>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>WILLIAM BERGMAN</PersonNm>
      <PersonTitleTxt>VP HEALTH AND BENEFITS</PersonTitleTxt>
      <PhoneNum>3123942819</PhoneNum>
      <SignatureDt>2014-11-17</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>DAVID LOWENTHAL</PreparerPersonNm>
      <PTIN>P00378651</PTIN>
      <PhoneNum>3122071040</PhoneNum>
      <PreparationDt>2014-11-17</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2013</TaxYr>
    <BuildTS>2015-11-30 17:44:51Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="3">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>WILLIAM BERGMAN</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
        <City>CHICAGO</City>
        <State>IL</State>
        <ZIPCode>60603</ZIPCode>
      </USAddress>
      <GrossReceiptsAmt>364572099</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="9">X</Organization501cInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationTrustInd>X</TypeOfOrganizationTrustInd>
      <FormationYr>1940</FormationYr>
      <LegalDomicileStateCd>IL</LegalDomicileStateCd>
      <ActivityOrMissionDesc>PROVIDE HEALTHCARE BENEFITS TO MEMBERS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>1</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>1</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>47208</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>41890</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>283775604</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>364474519</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>57956</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>97580</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>283833560</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>364572099</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>258871074</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>310823513</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>106694</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>18308098</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>20628528</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>277179172</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>331558735</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>6654388</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>33013364</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>54427328</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>77613590</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2667236</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1253023</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>51760092</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>76360567</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROVIDE HEALTHCARE BENEFITS TO MEMBERS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <Desc>PAYMENT OF MEDICAL, DENTAL, AND VISION CARE BENEFITS FOR MEMBERS AND THEIR DEPENDENTS. AS OF DECEMBER 31, 2013, THERE WERE APPROXIMATELY 24,439 MEMBERS ELIGIBLE TO RECEIVE BENEFITS.</Desc>
      <DescribedInSection501c3Ind>0</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>0</DonorAdvisedFundInd>
      <ConservationEasementsInd>0</ConservationEasementsInd>
      <CollectionsOfArtInd>0</CollectionsOfArtInd>
      <CreditCounselingInd>0</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd>0</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd>0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>0</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>1</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>1</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>IL</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>EXELON CORPORATION VP HEALTH AND B</PersonNm>
        <PhoneNum>3123942819</PhoneNum>
        <USAddress>
          <AddressLine1>10 S DEARBORN ST 50TH FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>THE NORTHERN TRUST COMPANY</PersonNm>
        <TitleTxt>INSTITUTIONAL TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>106694</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>106694</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>AON</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>3000 TOWN CENTER</AddressLine1>
            <City>SOUTHFIELD</City>
            <State>MI</State>
            <ZIPCode>48075</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RECORD KEEPER</ServicesDesc>
        <CompensationAmt>4647717</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>HEALTH FITNESS CORPORATION</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>1700 WEST 82ND STREET SUITE 200</AddressLine1>
            <City>MINNEAPOLIS</City>
            <State>MN</State>
            <ZIPCode>55431</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>WELLNESS PROVIDER</ServicesDesc>
        <CompensationAmt>2446570</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>UNITED BEHAVIORAL HEALTHOPTUM</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>PO BOX 39000</AddressLine1>
            <City>SAN FRANCISCO</City>
            <State>CA</State>
            <ZIPCode>94139</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MENTAL HEALTH</ServicesDesc>
        <CompensationAmt>871925</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>TOWERS WATSON</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>191 NORTH WACKER DRIVE SUITE 2100</AddressLine1>
            <City>CHICAGO</City>
            <State>IL</State>
            <ZIPCode>60606</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ACTUARIAL SERVICES</ServicesDesc>
        <CompensationAmt>446123</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>ASSET HEALTH</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>2250 BUTTERFIELD DRIVE SUITE 100</AddressLine1>
            <City>TROY</City>
            <State>MI</State>
            <ZIPCode>48084</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>WELLNESS PROVIDER</ServicesDesc>
        <CompensationAmt>269413</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>9</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>EMPLOYER CONTRIBUTIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>277219832</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>277219832</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PARTICIPANT CONTRIBUTIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>87254687</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>87254687</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>364474519</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>97580</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>47208</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>50372</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>364572099</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>364474519</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>47208</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>50372</ExclusionAmt>
      </TotalRevenueGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>310823513</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>106694</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>32463</TotalAmt>
      </FeesForServicesAccountingGrp>
      <OtherExpensesGrp>
        <Desc>ADMINISTRATIVE EXPENSES</Desc>
        <TotalAmt>20596065</TotalAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>331558735</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>45037071</BOYAmt>
        <EOYAmt>57293352</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>3580065</BOYAmt>
        <EOYAmt>10997343</EOYAmt>
      </AccountsReceivableGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <BOYAmt>4416192</BOYAmt>
        <EOYAmt>7928895</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>1394000</BOYAmt>
        <EOYAmt>1394000</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>54427328</BOYAmt>
        <EOYAmt>77613590</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>2667236</BOYAmt>
        <EOYAmt>1253023</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2667236</BOYAmt>
        <EOYAmt>1253023</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>51760092</BOYAmt>
        <EOYAmt>76360567</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>51760092</BOYAmt>
        <EOYAmt>76360567</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>54427328</BOYAmt>
        <EOYAmt>77613590</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>33013364</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>-8412889</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS PARTICIPATE IN THE SPONSOR HEALTH BENEFIT PLANS AND RECEIVE MEDICAL BENEFITS FROM THE FUNDED VEBA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION USES A CPA FIRM TO PREPARE FORM 990. THE RETURN IS REVIEWED BY EXELON ACCOUNTING, CORPORATE BENEFITS AND LEGAL DEPARTMENTS. THE RETURN IS REVIEWED BY THE PARTIES WHO ADMINISTER THE HEALTH AND WELFARE PLANS THAT ARE FUNDED BY THE ORGANIZATION AND MANAGE THE ASSETS OF THE ORGANIZATION. AS SUCH ALL RESPONSIBLE GOVERNING BODIES REVIEW AND APPROVE THE RETURN PRIOR TO FILING</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL PARTIES RESPONSIBLE FOR PLAN ASSETS ARE SUBJECT TO THE EXELON CORPORATION CONFLICT OF INTEREST POLICY. EXELON REGULARLY MONITORS COMPLIANCE WITH ITS CONFLICT OF INTEREST POLICY. FORM 990, PART VI, SECTION B, LINE 15: EXPLANATION: THE ORGANIZATION DOES NOT PAY ANY COMPENSATION. CONSEQUENTLY LINES 15A AND 15B ARE NOT APPLICABLE TO THIS ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS FORM 1024, FORM 990, GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>INTRA-PLAN TRANSFERS -8,412,889.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART X, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMOUNT REPORTED ON LINE 6 CONSISTS OF RECEIVABLES OF $7,928,895 DUE FROM CONTRIBUTING EMPLOYERS AND SPONSORING ORGANIZATIONS OF SECTION 501(C)(9) VOLUNTARY EMPLOYEES' BENEFICIARY ORGANIZATIONS. PER IRS 990 INSTRUCTIONS, SCHEDULE L, PART II IS NOT REQUIRED TO BE COMPLETED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI:</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS ORGANIZATION IS A VOLUNTARY EMPLOYEES' BENEFICIARY ASSOCIATION TRUST UNDER IRC 501(C)(9). THIS ORGANIZATION FUNDS HEALTHCARE BENEFITS PROVIDED UNDER CERTAIN HEALTH AND WELFARE PLANS SPONSORED BY EXELON CORPORATION FOR ITS EMPLOYEES AND THEIR ELIGIBLE DEPENDENTS. THIS ORGANIZATION FOLLOWS EXELON'S CORPORATE POLICIES WHERE APPLICABLE INCLUDING PROPER DOCUMENTATION OF ALL ACTIONS TAKEN ON BEHALF OF THE PLAN.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON GENERATION CO LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>233064219</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON NUCLEAR SECURITY LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>261248912</EIN>
        <PrimaryActivitiesTxt>SECURITY TO EXELON'S NUCLEAR POWER PLANTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON BUSINESS SERVICES CO LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>233063219</EIN>
        <PrimaryActivitiesTxt>PROVIDES SUPPORT TO OPERATING COMPANIES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>ENEH SERVICES LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>900183684</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON WIND LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>273687029</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON POWER TEXAS</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>233069719</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>BALTIMORE GAS AND ELECTRIC HOME PRODUCTS &amp; SERVICES LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>800696499</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>CNE GAS HOLDINGS LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>611225551</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>CONSTELLATION OPERATING SERVICES</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>330250686</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>CONSTELLATION MYSTIC POWER LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>273585052</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>CER GENERATION (HILLABEE) LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>261586418</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>CONSTELLATION ENERGY PROJECTS AND SERVICES GROUP ADVISORS LLC</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>275041291</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT TRUST FOR MGMT EMPLOYEES</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>363978082</EIN>
        <PrimaryActivitiesTxt>EMPLOYEE BENEFITS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(9)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT TRUST FOR UNION EMPLOYEES</BusinessNameLine1>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>363978080</EIN>
        <PrimaryActivitiesTxt>EMPLOYEE BENEFITS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(9)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>232990190</EIN>
        <PrimaryActivitiesTxt>HOLDING COMPANY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>COMED</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>360938600</EIN>
        <PrimaryActivitiesTxt>ELECTRIC DISTRIBUTION UTILITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>BALTIMORE GAS AND ELECTRIC CO</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>520280210</EIN>
        <PrimaryActivitiesTxt>ELECTRIC DISTRIBUTION UTILITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>CONSTELLATION POWER INC</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>521525572</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>CONSTELLATION POWER SOURCE GENERATION INC</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>320418194</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>COSI SUNNYSIDE INC</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>522130014</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>EXELON POWER LABS</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>010754473</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>PECO ENERGY COMPANY</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>230970240</EIN>
        <PrimaryActivitiesTxt>ELECTRIC DISTRIBUTION UTILITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1>CONSTELLATION NEW ENERGY INC</BusinessNameLine1>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1>10 SOUTH DEARBORN 51ST FLOOR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60603</ZIPCode>
        </USAddress>
        <EIN>954714890</EIN>
        <PrimaryActivitiesTxt>POWER GENERATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1>EXELON CORPORATION</BusinessNameLine1>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT TRUST FOR MANAGEMENT EMPLOYEES</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>5014167</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT TRUST FOR UNION EMPLOYEES</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>3735485</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON CORPORATION EMPLOYEES' BENEFIT TRUST FOR UNION EMPLOYEES</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>R</TransactionTypeTxt>
        <InvolvedAmt>8412889</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON GENERATION CO LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>90711869</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON NUCLEAR SECURITY LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>15799286</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON BUSINESS SERVICES CO LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>21124659</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>ENEH SERVICES LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>125743</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON WIND LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>384726</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>PECO ENERGY COMPANY</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>26824698</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION NEW ENERGY INC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>6598534</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON POWER LABS</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>662713</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>EXELON POWER TEXAS</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>1335681</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>BALTIMORE GAS AND ELECTRIC CO</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>29386348</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>BALTIMORE GAS AND ELECTRIC HOME PRODUCTS &amp; SERVICES LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>3511111</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CNE GAS HOLDINGS LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>2023782</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION OPERATING SERVICES</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>100720</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION POWER INC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>1134981</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION MYSTIC POWER LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>1315749</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>COSI SUNNYSIDE INC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>218929</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION POWER SOURCE GENERATION</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>2066111</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CER GENERATION (HILLABEE) LLC</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>22500</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>CONSTELLATION ENERGY PROJECTS AND SERVICES</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>138168</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>COMED</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>73753527</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MAINTAINED RECORDS AT FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>