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            <StateAbbreviationCd>TX</StateAbbreviationCd>
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        <OfficerDirTrstKeyEmplGrp>
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          <USAddress>
            <AddressLine1Txt>3963 MAPLE AVENUE SUITE 390</AddressLine1Txt>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75219</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR</TitleTxt>
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          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>FRANK MACKEY</PersonNm>
          <USAddress>
            <AddressLine1Txt>2001 ROSS AVENUE SUITE 4600</AddressLine1Txt>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75201</ZIPCd>
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          <TitleTxt>VP/SEC/TREAS</TitleTxt>
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          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>NICOLE SMALL</PersonNm>
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            <ZIPCd>75201</ZIPCd>
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        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
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        <ExcessDistributionCyovAppCYAmt>0</ExcessDistributionCyovAppCYAmt>
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            <BusinessNameLine1Txt>UNIVERSITY OF WASHINGTON FOUNDATION</BusinessNameLine1Txt>
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            <StateAbbreviationCd>WA</StateAbbreviationCd>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
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            <ZIPCd>75248</ZIPCd>
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        <GrantOrContributionPdDurYrGrp>
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            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22202</ZIPCd>
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          <GrantOrContributionPurposeTxt>GENERAL OPERATING GRANT</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
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          </RecipientBusinessName>
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            <AddressLine1Txt>1345 RIVER BEND DR SUITE 200</AddressLine1Txt>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75247</ZIPCd>
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          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
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          <GrantOrContributionPurposeTxt>SUPPORT HILLSIDE PROJECT CAPITAL</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
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          </RecipientBusinessName>
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            <AddressLine1Txt>3000 PEGASUS PARK DR SUITE 740</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75247</ZIPCd>
          </RecipientUSAddress>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SUPPORT COOL SCHOOLS - COMMUNITY PARKS PHASE 3</GrantOrContributionPurposeTxt>
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        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>PEROT MUSEUM OF NATURE AND SCIENCE</BusinessNameLine1Txt>
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            <AddressLine1Txt>2201 N FIELD STREET</AddressLine1Txt>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75201</ZIPCd>
          </RecipientUSAddress>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SUPPORT FOR ACTIVATING THE OUTDOOR SPACE</GrantOrContributionPurposeTxt>
          <Amt>4998454</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>NATIONAL WILDLIFE FEDERATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
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            <AddressLine1Txt>11100 WILDLIFE CENTER DR</AddressLine1Txt>
            <CityNm>RESTON</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>20190</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SUPPORT TEXAS WATER SUPPORT</GrantOrContributionPurposeTxt>
          <Amt>151621</Amt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>DALLAS HOLOCAUST AND HUMAN RIGHTS MUSEUM</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>300 N HOUSTON ST</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75202</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SUPPORT ENDOWMENT CAMPAIGN &amp; GENERAL OPERATING GIFT</GrantOrContributionPurposeTxt>
          <Amt>1098709</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>MILKEN INSTITUTE</BusinessNameLine1Txt>
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            <AddressLine1Txt>1250 4TH ST FL 2</AddressLine1Txt>
            <CityNm>SANTA MONICA</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90401</ZIPCd>
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          <GrantOrContributionPurposeTxt>SUPPORT TO CAMPAIGN GIFT</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
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            <StateAbbreviationCd>CO</StateAbbreviationCd>
            <ZIPCd>80915</ZIPCd>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SUPPORT SERVICE INSIGHTS</GrantOrContributionPurposeTxt>
          <Amt>249713</Amt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TRUST FOR PUBLIC LAND</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>PO BOX 089336</AddressLine1Txt>
            <CityNm>LOS ANGELES</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90088</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GENERAL SUPPORT</GrantOrContributionPurposeTxt>
          <Amt>982082</Amt>
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        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
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        </GainSalesAstOthThanInvntryGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>0</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionAmt>8509599</ExclusionAmt>
          <RelatedOrExemptFunctionIncmAmt>0</RelatedOrExemptFunctionIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>8509599</TotalIncomeProducingActyAmt>
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      <TrnsfrTransRlnNonchrtblEOGrp>
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        <SalesOrExchangesOfAssetsInd>0</SalesOrExchangesOfAssetsInd>
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        <ReimbursementArrangementsInd>0</ReimbursementArrangementsInd>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1Txt>LYDA HILL INTERESTS INC</BusinessNameLine1Txt>
        </ContributorBusinessName>
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          <AddressLine1Txt>2001 ROSS AVENUE SUITE 4600</AddressLine1Txt>
          <CityNm>DALLAS</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75201</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>5160300</TotalContributionsAmt>
        <NoncashContributionInd>X</NoncashContributionInd>
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      <NonCashPropertyContributionGrp>
        <ContributorNum>1</ContributorNum>
        <NoncashPropertyDesc>60,000 SHARES OF REATA PHARMACEUTICALS, INC (RETA) STOCK</NoncashPropertyDesc>
        <FairMarketValueAmt>5160300</FairMarketValueAmt>
        <ReceivedDt>2023-03-07</ReceivedDt>
      </NonCashPropertyContributionGrp>
    </IRS990ScheduleB>
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      <AccountingFeesDetail>
        <CategoryTxt>ACCOUNTING FEES</CategoryTxt>
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        <NetInvestmentIncomeAmt>265</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>265</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <GeneralExplanationAttachment documentId="RetDoc2258700001">
      <GeneralExplanationGrp>
        <FormAndLineReferenceDesc>PART VII-B, QUESTION 1A(3)</FormAndLineReferenceDesc>
        <MediumExplanationTxt>STATEMENT REGARDING FURNISHING OR RECEIVING GOODS, ETC., TO OR FROM A DISQUALIFIED PERSON-PART VII-B, QUESTION 1A(3) LH CAPITAL, INC. ("LHC") IS A CORPORATION OF WHICH ALL THE OUTSTANDING STOCK IS OWNED BY LYDA HILL. LYDA HILL IS AN OFFICER AND DIRECTOR OF THE LYDA HILL FOUNDATION ("FOUNDATION"), AND A DISQUALIFIED PERSON WITH RESPECT TO IT. LHC MAKES AVAILABLE TO THE FOUNDATION, AS MAY BE REQUIRED FOR THE CONDUCT OF ITS ACTIVITIES, THE SERVICES OF CERTAIN OF ITS OFFICERS AND EMPLOYEES. THESE SERVICES ARE MADE AVAILABLE TO THE FOUNDATION WITHOUT ANY CHARGE FOR SALARIES, PAYROLL TAXES, EMPLOYEE BENEFITS, OR RELATED PERSONNEL COSTS. LIKEWISE, LHC MAKES NO CHARGE TO THE FOUNDATION FOR OCCUPANCY COSTS ASSOCIATED WITH ITS OFFICE SPACE NORMALLY OCCUPIED BY ITS OFFICERS AND EMPLOYEES WHILE PERFORMING SUCH SERVICES.</MediumExplanationTxt>
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    </InvestmentsCorpBondsSchedule>
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        <EOYFMVAmt>521964</EOYFMVAmt>
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      <InvestmentsCorporateStockGrp>
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        <EOYFMVAmt>121270</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALPHABET INC.</StockNm>
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        <EOYFMVAmt>346385</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMAZON</StockNm>
        <EOYBookValueAmt>721604</EOYBookValueAmt>
        <EOYFMVAmt>943449</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMPHENOL CORP</StockNm>
        <EOYBookValueAmt>333091</EOYBookValueAmt>
        <EOYFMVAmt>400174</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>APPLE INC.</StockNm>
        <EOYBookValueAmt>44475</EOYBookValueAmt>
        <EOYFMVAmt>759800</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AT&amp;T</StockNm>
        <EOYBookValueAmt>112277</EOYBookValueAmt>
        <EOYFMVAmt>99420</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>DOLLAR TREE, INC.</StockNm>
        <EOYBookValueAmt>407313</EOYBookValueAmt>
        <EOYFMVAmt>370770</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FLOOR &amp; DCOR HLDGS, INC</StockNm>
        <EOYBookValueAmt>205456</EOYBookValueAmt>
        <EOYFMVAmt>183420</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>GOLDMAN SACHS GROUP, INC.</StockNm>
        <EOYBookValueAmt>170540</EOYBookValueAmt>
        <EOYFMVAmt>170770</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>HOME DEPOT INC</StockNm>
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