﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-11-14T15:17:35+00:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>135381590</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BDO USA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>ONE ERDMAN PLACE SUITE 404</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>53717</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>363930160</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TELEPHONE AND DATA SYSTEMS INC EMPLOYEE BENEFIT TRUST</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>TELE</BusinessNameControlTxt>
      <PhoneNum>6086648600</PhoneNum>
      <USAddress>
        <AddressLine1Txt>525 JUNCTION ROAD</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>53719</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JOHN GREENE</PersonNm>
      <PersonTitleTxt>DESIGNATED OFFICER</PersonTitleTxt>
      <PhoneNum>6086648600</PhoneNum>
      <SignatureDt>2025-11-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>JAKE COOK</PreparerPersonNm>
      <PTIN>P01240455</PTIN>
      <PhoneNum>6088367500</PhoneNum>
      <PreparationDt>2025-11-14</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990 documentId="IRS990" softwareId="24020961" softwareVersionNum="2024v5.1">
      <PrincipalOfcrBusinessName>
        <BusinessNameLine1Txt>ANNMARIE KREITZER</BusinessNameLine1Txt>
      </PrincipalOfcrBusinessName>
      <USAddress>
        <AddressLine1Txt>525 JUNCTION ROAD</AddressLine1Txt>
        <CityNm>MADISON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>53719</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>125655258</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="9">X</Organization501cInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationTrustInd>X</TypeOfOrganizationTrustInd>
      <FormationYr>1993</FormationYr>
      <LegalDomicileStateCd>IL</LegalDomicileStateCd>
      <ActivityOrMissionDesc>RECEIVE CONTRIBUTIONS FROM EMPLOYEES &amp; PARTICIPATING EMPLOYERS FOR HEALTH AND WELFARE PREMIUMS, TO PAY CLAIMS, PREMIUMS, AND ADMIN FEES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>5</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>0</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>505572</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>126874709</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>124974178</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>376665</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>505572</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>127251374</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>125479750</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>123671702</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>123088167</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>4950543</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>4716883</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>128622245</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>127805050</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-1370871</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-2325300</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>14810238</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>13097672</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>9173236</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>11793425</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>5637002</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>1304247</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROVIDE HEALTH AND WELFARE GROUP INSURANCE COVERAGE FOR PARTICIPATING EMPLOYERS AND EMPLOYEES.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <Desc>COLLECTED BOTH EMPLOYER AND EMPLOYEE CONTRIBUTIONS FOR HEALTH AND WELL-BEING GROUP INSURANCE COVERAGE.</Desc>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind>false</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>false</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="IRS990ScheduleC">false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
      <ConservationEasementsInd>false</ConservationEasementsInd>
      <CollectionsOfArtInd>false</CollectionsOfArtInd>
      <CreditCounselingInd>false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd>false</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="IRS990ScheduleD">true</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">true</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EscrowAccountInd>false</EscrowAccountInd>
      <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="IRS990ScheduleR">true</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>true</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>true</Form990TFiledInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>5</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>0</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>false</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>false</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>false</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>false</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>false</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>false</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>false</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>false</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>false</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <WrittenPolicyOrProcedureInd>false</WrittenPolicyOrProcedureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>TELEPHONE AND DATA SYSTEMS INC</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6086648600</PhoneNum>
        <USAddress>
          <AddressLine1Txt>525 JUNCTION ROAD</AddressLine1Txt>
          <CityNm>MADISON</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53719</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANITA KROLL</PersonNm>
        <TitleTxt>IMC MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN GREENE</PersonNm>
        <TitleTxt>IMC MEMBER (AS OF 03/2024)</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN TOOMEY</PersonNm>
        <TitleTxt>IMC MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LEROY T CARLSON</PersonNm>
        <TitleTxt>IMC MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVEN CARROLL</PersonNm>
        <TitleTxt>IMC MEMBER (THRU 03/2024)</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VICKI VILLACREZ</PersonNm>
        <TitleTxt>IMC MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>0.1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <TotalContributionsAmt>0</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>EMPLOYER CONTRIBUTIONS</Desc>
        <BusinessCd>525100</BusinessCd>
        <TotalRevenueColumnAmt>90834375</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>90834375</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EMPLOYEE CONTRIBUTIONS</Desc>
        <BusinessCd>525100</BusinessCd>
        <TotalRevenueColumnAmt>34139803</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>34139803</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>124974178</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>291968</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>291968</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>389112</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>175508</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>213604</SecuritiesAmt>
        <OtherAmt>0</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>213604</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>213604</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <MiscellaneousRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </MiscellaneousRevenueGrp>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>125479750</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>124974178</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>505572</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </TotalRevenueGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>123088167</TotalAmt>
      </BenefitsToMembersGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesOtherGrp>
      <OtherExpensesGrp>
        <Desc>ADMINISTRATION FEES</Desc>
        <TotalAmt>4720440</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>UBIT</Desc>
        <TotalAmt>-3557</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>0</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>127805050</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <AccountsReceivableGrp>
        <BOYAmt>4683912</BOYAmt>
        <EOYAmt>4258564</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <LandBldgEquipCostOrOtherBssAmt>0</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>0</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>10126326</BOYAmt>
        <EOYAmt>8839108</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>0</BOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>0</BOYAmt>
      </InvestmentsProgramRelatedGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>14810238</BOYAmt>
        <EOYAmt>13097672</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1571060</BOYAmt>
        <EOYAmt>1877468</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <LoansFromOfficersDirectorsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LoansFromOfficersDirectorsGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>7602176</BOYAmt>
        <EOYAmt>9915957</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>9173236</BOYAmt>
        <EOYAmt>11793425</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>5637002</BOYAmt>
        <EOYAmt>1304247</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>5637002</BOYAmt>
        <EOYAmt>1304247</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>14810238</BOYAmt>
        <EOYAmt>13097672</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-2325300</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>620797</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-2628252</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="24020961" softwareVersionNum="2024v5.1">
      <OtherLiabilitiesOrgGrp>
        <Desc>Federal Income Taxes</Desc>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>CLAIMS INCURRED BUT NOT PAID (IBNP)</Desc>
        <Amt>9915957</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>9915957</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <OtherRevenueAmt>0</OtherRevenueAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>0</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>0</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>0</TotalRevenuePerForm990Amt>
      <OtherExpensesIncludedAmt>0</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>0</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>0</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>0</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST ESTABLISHED UNDER THE PLAN TO HOLD THE PLAN'S NET ASSETS IS QUALIFIED PURSUANT TO §501(C)(9) OF THE IRC. TDS HAS OBTAINED A TAX EXEMPTION LETTER FROM THE INTERNAL REVENUE SERVICE DATED AUGUST 31, 1995 AND THE PLAN SPONSOR BELIEVES THE TRUST CONTINUES TO QUALIFY AND OPERATE IN ACCORDANCE WITH APPLICABLE PROVISIONS OF THE IRC. MANAGEMENT EVALUATED THE PLAN'S TAX POSITIONS AND CONCLUDED THAT THE PLAN HAD MAINTAINED ITS TAX-EXEMPT STATUS AND HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO THE FINANCIAL STATEMENTS. THEREFORE, NO PROVISION OR LIABILITY FOR INCOME TAXES HAS BEEN INCLUDED IN THE FINANCIAL STATEMENTS AS OF DECEMBER 31, 2024 OR 2023, EXCEPT FOR THE UNRELATED BUSINESS INCOME TAX NOTED BELOW. THE PLAN IS SUBJECT TO AUDITS BY TAXING JURISDICTIONS; HOWEVER, FOR TAX PERIODS IN PROGRESS, THERE HAVE BEEN NO SUCH AUDITS. THE TRUST IS SUBJECT TO INCOME TAX ON UNRELATED BUSINESS INCOME EARNED BY THE TRUST. FOR THE YEAR ENDED DECEMBER 31, 2024, THE TRUST RECORDED UNRELATED BUSINESS INCOME TAX BENEFIT OF LESS THAN $0.1 MILLION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="24020961" softwareVersionNum="2024v5.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 1a Material differences in voting rights</FormAndLineReferenceDesc>
        <ExplanationTxt>TDS HAS APPOINTED A COMMITTEE, THE INVESTMENT MANAGEMENT COMMITTEE COMPRISED OF 5 MEMBERS, WHO ARE LISTED IN PART VII, SECTION A THE COMMITTEE IS A NAMED FIDUCIARY FOR THE TDS EMPLOYEE BENEFIT TRUST AND AUTHORIZED TO DIRECT THE TRUSTEE, NORTHERN TRUST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PREPARED BY AN EXTERNAL ACCOUNTING FIRM AND THEN REVIEWED BY THE PARENT COMPANY BENEFITS AND TAX DEPARTMENTS. A FINAL REVIEW IS PERFORMED BY ONE MEMBER OF THE INVESTMENT MANAGEMENT COMMITTEE WHO SIGNS AS THE DESIGNATED OFFICER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS ARE AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9 Other changes in net assets or fund balances</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN AMOUNTS CURRENTLY PAYABLE FOR CLAIMS - -2628252; Total - -2628252;</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR" softwareId="24020961" softwareVersionNum="2024v5.1">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TELEPHONE AND DATA SYSTEMS INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>30 N LASALLE ST</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60602</ZIPCd>
        </USAddress>
        <EIN>363669023</EIN>
        <PrimaryActivitiesTxt>TELECOMMUNICATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corporation</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>0</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>0</ShareOfEOYAssetsAmt>
        <OwnershipPct>0</OwnershipPct>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </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>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>