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        <MinimumInvestmentReturnAmt>4996343</MinimumInvestmentReturnAmt>
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      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>4996343</MinimumInvestmentReturnAmt>
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        <TotalTaxAmt>125160</TotalTaxAmt>
        <DistributableBeforeAdjAmt>4871183</DistributableBeforeAdjAmt>
        <RecoveriesQualfiedDistriAmt>0</RecoveriesQualfiedDistriAmt>
        <DistributableBeforeDedAmt>4871183</DistributableBeforeDedAmt>
        <DeductionFromDistributableAmt>0</DeductionFromDistributableAmt>
        <DistributableAsAdjustedAmt>4871183</DistributableAsAdjustedAmt>
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      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>3404679</ExpensesAndContributionsAmt>
        <ProgramRelatedInvstTotalAmt>0</ProgramRelatedInvstTotalAmt>
        <QualifyingDistributionsAmt>3404679</QualifyingDistributionsAmt>
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      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>4871183</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>2920995</UndistributedIncomePYAmt>
        <TotalForPriorYearsAmt>0</TotalForPriorYearsAmt>
        <TotalExcessDistributionCyovAmt>0</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>3404679</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>2920995</AppliedToYear1Amt>
        <AppliedToPriorYearsAmt>0</AppliedToPriorYearsAmt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
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        <RemainingDistriFromCorpusAmt>0</RemainingDistriFromCorpusAmt>
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        <ExcessDistributionCyovAppCYAmt>0</ExcessDistributionCyovAppCYAmt>
        <TotalCorpusAmt>0</TotalCorpusAmt>
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        <PriorYearDeficiencyOrTaxAmt>0</PriorYearDeficiencyOrTaxAmt>
        <Taxable1Amt>0</Taxable1Amt>
        <Taxable2Amt>0</Taxable2Amt>
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          <RecipientPersonNm>STEPHEN J KLEBERG TRUSTEE KLEBERG B</RecipientPersonNm>
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          </RecipientUSAddress>
          <RecipientPhoneNum>3615928501</RecipientPhoneNum>
          <RecipientEmailAddressTxt>N/A</RecipientEmailAddressTxt>
          <FormAndInfoAndMaterialsTxt>2B - A GRANT REQUEST FROM AN ORGANIZATION SHOULD BE SUBMITTED IN THE FOLLOWING MANNER: (1) THE REQUEST FOR THE GRANT SHOULD BE SUBMITTED ON THE ORGANIZATION'S LETTERHEAD. (2) THE LETTER SHOULD CONTAIN THE FOLLOWING INFORMATION: A. A NONTECHNICAL DESCRIPTION RELATED TO THE DESIRED USE OF THE GRANT. B. BUDGET INDICATING USE OF SPECIFIC GRANT AMOUNT REQUESTED. C. A COPY OF THE ORGANIZATION'S 501(C) 3 EXEMPTION LETTER FROM THE INTERNAL REVENUE SERVICE</FormAndInfoAndMaterialsTxt>
          <SubmissionDeadlinesTxt>2C - THERE ARE NO FORMAL SUBMISSION DEADLINES FOR GRANT REQUESTS.</SubmissionDeadlinesTxt>
          <RestrictionsOnAwardsTxt>2D - GRANTS ARE LIMITED BY THE FOLLOWING FACTORS: (1) NO GRANTS WILL BE MADE TO ORGANIZATIONS WHICH DISCRIMINATE WITH RESPECT TO RACE, COLOR OR RELIGION. (2) THERE ARE NO RESTRICTIONS RELATED TO GEOGRAPHICAL AREA. (3) THE GOVERNING INSTRUMENT REQUIRES THAT CONTRIBUTIONS BE MADE TO SUPPORT WILDLIFE CONSERVATION AND STUDIES.</RestrictionsOnAwardsTxt>
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          <RecipientBusinessName>
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            <AddressLine1Txt>HOWE AGRICULTURAL BLDG 205</AddressLine1Txt>
            <CityNm>KINGSVILLE</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78363</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>CHARITABLE PURPOSES</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>COASTAL BEND COMMUNITY FOUNDATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>555 N CARANCAHUA ST SUITE 900</AddressLine1Txt>
            <CityNm>CORPUS CHRISTI</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78401</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>CHARITABLE PURPOSES</GrantOrContributionPurposeTxt>
          <Amt>12500</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TEXAS A&amp;M UNIVERSITY KINGSVILLE FDN</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>700 UNIVERSITY BLVD MSC 128</AddressLine1Txt>
            <CityNm>KINGSVILLE</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78363</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>EOF</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>CHARITABLE PURPOSES</GrantOrContributionPurposeTxt>
          <Amt>2907000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TEXAS FOUNDATION FOR CONSERVATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>PO BOX 300621</AddressLine1Txt>
            <CityNm>AUSTIN</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78703</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>CHARITABLE PURPOSES</GrantOrContributionPurposeTxt>
          <Amt>25000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TEXAS PARKS AND WILDLIFE FOUNDATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
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            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75204</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
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          <GrantOrContributionPurposeTxt>CHARITABLE PURPOSES</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TEXAS WILDLIFE ASSOCIATION FOUNDATION</BusinessNameLine1Txt>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78132</ZIPCd>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SPONSORSHIP</GrantOrContributionPurposeTxt>
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        <TotalGrantOrContriPdDurYrAmt>3228500</TotalGrantOrContriPdDurYrAmt>
        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
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        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>138198</ExclusionAmt>
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        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>1491641</ExclusionAmt>
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        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>7616677</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <OtherRevenueDescribedGrp>
          <Desc>EXXON MOBIL ROYALTIES</Desc>
          <ExclusionCd>15</ExclusionCd>
          <ExclusionAmt>110485</ExclusionAmt>
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        <OtherRevenueDescribedGrp>
          <Desc>HEADINGTON ROYALTIES</Desc>
          <ExclusionCd>15</ExclusionCd>
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        <OtherRevenueDescribedGrp>
          <Desc>ABACO OPERATING, LLC</Desc>
          <ExclusionCd>15</ExclusionCd>
          <ExclusionAmt>635</ExclusionAmt>
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        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>0</UnrelatedBusinessTaxblIncmAmt>
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          <RelatedOrExemptFunctionIncmAmt>0</RelatedOrExemptFunctionIncmAmt>
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        <TotalIncomeProducingActyAmt>9366415</TotalIncomeProducingActyAmt>
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      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>0</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>0</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>0</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>0</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>0</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>0</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>0</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>0</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>0</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>0</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
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      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1Txt>LUTHER KING CAPITAL MANAGEMENT</BusinessNameLine1Txt>
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        <ContributorUSAddress>
          <AddressLine1Txt>301 COMMERCE STREET STE 1600</AddressLine1Txt>
          <CityNm>FORT WORTH</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>76102</ZIPCd>
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        <TotalContributionsAmt>10000</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
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    </IRS990ScheduleB>
    <InvestmentsCorpStockSchedule documentId="RetDoc2018900001">
      <InvestmentsCorporateStockGrp>
        <StockNm>GLOBAL LONG SHORT PARTNERS</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>6590</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>REAL ESTATE`</StockNm>
        <EOYBookValueAmt>1</EOYBookValueAmt>
        <EOYFMVAmt>1</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MCCORP 2889 SHARES - COST</StockNm>
        <EOYBookValueAmt>1</EOYBookValueAmt>
        <EOYFMVAmt>1</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>KINDER MORGAN</StockNm>
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        <EOYFMVAmt>1626</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>RELIANCE STL &amp; ALUM CO</StockNm>
        <EOYBookValueAmt>10157</EOYBookValueAmt>
        <EOYFMVAmt>538520</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>THERMO FISHER SCIENTIFIC, INC.</StockNm>
        <EOYBookValueAmt>11768</EOYBookValueAmt>
        <EOYFMVAmt>312138</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ADOBE INC</StockNm>
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        <EOYFMVAmt>177872</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TRACTOR SUPPLY CO.</StockNm>
        <EOYBookValueAmt>25803</EOYBookValueAmt>
        <EOYFMVAmt>663250</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CASH - GOLDMAN SACHS BANK DEPOSIT</StockNm>
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        <EOYFMVAmt>26862</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>DANAHER CORP</StockNm>
        <EOYBookValueAmt>34403</EOYBookValueAmt>
        <EOYFMVAmt>321370</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>APPLE INC</StockNm>
        <EOYBookValueAmt>40531</EOYBookValueAmt>
        <EOYFMVAmt>1252100</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMAZON.COM INC</StockNm>
        <EOYBookValueAmt>44234</EOYBookValueAmt>
        <EOYFMVAmt>438780</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CAMECO CORP</StockNm>
        <EOYBookValueAmt>60144</EOYBookValueAmt>
        <EOYFMVAmt>51390</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>HOME DEPOT INC COM</StockNm>
        <EOYBookValueAmt>64832</EOYBookValueAmt>
        <EOYFMVAmt>427889</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALPHABET INC CL A COM</StockNm>
        <EOYBookValueAmt>76388</EOYBookValueAmt>
        <EOYFMVAmt>1135800</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TRIMBLE NAV LTD</StockNm>
        <EOYBookValueAmt>91636</EOYBookValueAmt>
        <EOYFMVAmt>353300</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMGEN INC COM</StockNm>
        <EOYBookValueAmt>101038</EOYBookValueAmt>
        <EOYFMVAmt>390960</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>LIVE OAK VENTURE PARTNERS</StockNm>
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        <EOYFMVAmt>159038</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PROCTER &amp; GAMBLE CO.</StockNm>
        <EOYBookValueAmt>104055</EOYBookValueAmt>
        <EOYFMVAmt>419125</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CULLEN FROST BANKERS, INC.</StockNm>
        <EOYBookValueAmt>104283</EOYBookValueAmt>
        <EOYFMVAmt>268500</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>JPMORGAN CHASE &amp; CO</StockNm>
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        <EOYFMVAmt>359565</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>COCA COLA CO.</StockNm>
        <EOYBookValueAmt>129957</EOYBookValueAmt>
        <EOYFMVAmt>373560</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>NVIDIA CORP</StockNm>
        <EOYBookValueAmt>135985</EOYBookValueAmt>
        <EOYFMVAmt>671450</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TETRA TECH INC</StockNm>
        <EOYBookValueAmt>181264</EOYBookValueAmt>
        <EOYFMVAmt>172308</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FRANKLIN ELECTRIC CO INC</StockNm>
        <EOYBookValueAmt>188668</EOYBookValueAmt>
        <EOYFMVAmt>370310</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CINTAS CORP COM</StockNm>
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        <EOYFMVAmt>438480</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ORACLE CORPORATION</StockNm>
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        <EOYFMVAmt>583240</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MARTIN MARIETTA MATERIALS INC</StockNm>
        <EOYBookValueAmt>207278</EOYBookValueAmt>
        <EOYFMVAmt>568150</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>STRYKER CORP COM</StockNm>
        <EOYBookValueAmt>209097</EOYBookValueAmt>
        <EOYFMVAmt>388854</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MASTERCARD INC CL</StockNm>
        <EOYBookValueAmt>212050</EOYBookValueAmt>
        <EOYFMVAmt>236957</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>BANK OF AMERICA CORP</StockNm>
        <EOYBookValueAmt>212439</EOYBookValueAmt>
        <EOYFMVAmt>406538</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FLUOR ELECTRIC CO INC</StockNm>
        <EOYBookValueAmt>213952</EOYBookValueAmt>
        <EOYFMVAmt>295920</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VALMONT INDS INC COM</StockNm>
        <EOYBookValueAmt>218363</EOYBookValueAmt>
        <EOYFMVAmt>521339</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CONOCOPHILLIPS COM</StockNm>
        <EOYBookValueAmt>221934</EOYBookValueAmt>
        <EOYFMVAmt>446265</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CASH - SOURTH TEXAS MONEY MGMT (FB893)</StockNm>
        <EOYBookValueAmt>227975</EOYBookValueAmt>
        <EOYFMVAmt>227975</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>XYLEM INC</StockNm>
        <EOYBookValueAmt>231327</EOYBookValueAmt>
        <EOYFMVAmt>348060</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PFIZER INC</StockNm>
        <EOYBookValueAmt>232250</EOYBookValueAmt>
        <EOYFMVAmt>352849</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>COTERRA ENERGY INC</StockNm>
        <EOYBookValueAmt>240453</EOYBookValueAmt>
        <EOYFMVAmt>510800</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CHEVRON CORPORATION</StockNm>
        <EOYBookValueAmt>242576</EOYBookValueAmt>
        <EOYFMVAmt>231744</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ECOLAB INC</StockNm>
        <EOYBookValueAmt>299886</EOYBookValueAmt>
        <EOYFMVAmt>351480</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>EMERSON ELECTRIC CO</StockNm>
        <EOYBookValueAmt>311744</EOYBookValueAmt>
        <EOYFMVAmt>408969</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>LIVE OAK VENTURE PARTNERS II, LP</StockNm>
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        <EOYFMVAmt>720100</EOYFMVAmt>
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      <InvestmentsCorporateStockGrp>
        <StockNm>WHEATON PRECIOUS METALS CORP</StockNm>
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      <InvestmentsCorporateStockGrp>
        <StockNm>LINDE PLC</StockNm>
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        <EOYFMVAmt>314003</EOYFMVAmt>
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      <InvestmentsCorporateStockGrp>
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