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    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0001018042</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-6</investmentCompanyType>
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    <seriesClass>
      <reportClass>
        <rptIncludeAllClassesFlag>true</rptIncludeAllClassesFlag>
      </reportClass>
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    <generalInfo reportEndingPeriod="2025-12-31" isReportPeriodLt12="N"/>
    <registrantInfo>
      <registrantFullName>CORPORATE SPONSORED VUL SEPARATE ACCOUNT I</registrantFullName>
      <investmentCompFileNo>811-07697</investmentCompFileNo>
      <registrantCik>0001018042</registrantCik>
      <registrantLei>254900HE225XDQI3QR04</registrantLei>
      <registrantstreet1>51 Madison Avenue</registrantstreet1>
      <registrantcity>New York</registrantcity>
      <registrantzipCode>10010</registrantzipCode>
      <registrantstate>US-NY</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>212-576-7000</registrantphoneNumber>
      <websites>
        <website webpage="www.newyorklife.com"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>New York Life Insurance Company, Attn:  Sean Seyb</officeName>
          <officeAddress1>State Street, Insurance Services</officeAddress1>
          <officeAddress2>2323 Grand Blvd, 5th Floor</officeAddress2>
          <officeCity>Kansas City</officeCity>
          <officeStateCountry officeState="US-MO" officeCountry="US"/>
          <officeRecordsZipCode>64108</officeRecordsZipCode>
          <officePhone>212-576-7000</officePhone>
          <booksRecordsDesc>Financial accounting records </booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>New York Life Institutional Life, Attn:  Andrew Gaughan</officeName>
          <officeAddress1>Vital Records Control (VRC)</officeAddress1>
          <officeAddress2>12965 Loring Drive</officeAddress2>
          <officeCity>Bonner Springs</officeCity>
          <officeStateCountry officeState="US-KS" officeCountry="US"/>
          <officeRecordsZipCode>66012</officeRecordsZipCode>
          <officePhone>212-576-7000</officePhone>
          <booksRecordsDesc>Financial accounting records </booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>New York Life Insurance Company, Attn:  Colleen Meade</officeName>
          <officeAddress1>51 Madison Ave</officeAddress1>
          <officeCity>New York</officeCity>
          <officeStateCountry officeState="US-NY" officeCountry="US"/>
          <officeRecordsZipCode>10010</officeRecordsZipCode>
          <officePhone>212-576-7000</officePhone>
          <booksRecordsDesc>Organizaional Records</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>N</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <registrantFamilyInvComp isRegistrantFamilyInvComp="Y" familyInvCompFullName="NYLICGROUP"/>
      <registrantClassificationType>N-6</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Sandra Tillotson</ccoName>
          <crdNumber>N/A</crdNumber>
          <ccoStreet1>51 Madison Avenue</ccoStreet1>
          <ccoCity>New York</ccoCity>
          <ccoStateCountry ccoState="US-NY" ccoCountry="US"/>
          <ccoZipCode>10010</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerName="N/A" ccoEmployerId="N/A"/>
          </ccoEmployers>
        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>NYLIFE Distributors LLC</principalUnderwriterName>
          <principalUnderwriterFileNumber>8-46655</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>000035350</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderwriterRssdId>N/A</principalUnderwriterRssdId>
          <principalUnderWriterStateCountry principalUnderWriterState="US-NJ" principalUnderWriterCountry="US"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>PriceWaterhouseCoopers LLP</publicAccountantName>
          <pcaobNumber>00238</pcaobNumber>
          <publicAccountantLei>5493002GVO7EO8RNNS37</publicAccountantLei>
          <publicAccountantRssdId>N/A</publicAccountantRssdId>
          <publicAccountantStateCountry publicAccountantState="US-NY" publicAccountantCountry="US"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
    </registrantInfo>
    <unitInvestmentTrust>
      <depositors>
        <depositor>
          <depositorName>New York Life Insurance and Annuity Corporation</depositorName>
          <depositorCrdNo>N/A</depositorCrdNo>
          <depositorLei>C1I53XSII99QJVU6P586</depositorLei>
          <depositorRssdId>N/A</depositorRssdId>
          <depositorStateCountry depositorState="US-DE" depositorCountry="US"/>
          <depositorUltimateParentname>New York Life Insurance Company</depositorUltimateParentname>
        </depositor>
      </depositors>
      <uitAdmins>
        <uitAdmin>
          <uitAdminName>New York Life Insurance and Annuity Corporation</uitAdminName>
          <uitAdminLei>C1I53XSII99QJVU6P586</uitAdminLei>
          <uitAdminRssdId>N/A</uitAdminRssdId>
          <uitAdminStateCountry uitAdminState="US-DE" uitAdminCountry="US"/>
          <isUitAdminAffiliated>Y</isUitAdminAffiliated>
          <isUitAdminSubAdmin>N</isUitAdminSubAdmin>
        </uitAdmin>
        <uitAdmin>
          <uitAdminName>New York Life Investment Management LLC</uitAdminName>
          <uitAdminLei>IGJ1X7QLRC5K7CY9GE11</uitAdminLei>
          <uitAdminRssdId>N/A</uitAdminRssdId>
          <uitAdminStateCountry uitAdminState="US-DE" uitAdminCountry="US"/>
          <isUitAdminAffiliated>Y</isUitAdminAffiliated>
          <isUitAdminSubAdmin>N</isUitAdminSubAdmin>
        </uitAdmin>
      </uitAdmins>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount isRegistrantSeparateInsuranceAccount="Y" separateAccountSeriesId="S000009387"/>
      <numOfContracts>8926</numOfContracts>
      <contractSecurities>
        <contractSecurity separateAccountSecurityName="NYLIAC Corporate Sponsored Variable Universal Life" separateAccountContractId="C000025717" separateAccountTotalAsset="680173689.090000000000" numContractsSold="0" grossPremiumReceived="90534.240000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="9500498.510000000000" contractValueRedeemedSection1035="0.000000000000" numContractsAffectedRedeemed="0"/>
        <contractSecurity separateAccountSecurityName="CorpExec VUL: Corporate Executive Series Variable Universal Life" separateAccountContractId="C000025718" separateAccountTotalAsset="3109220327.170000000000" numContractsSold="0" grossPremiumReceived="9093212.210000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="70902667.260000000000" contractValueRedeemedSection1035="14618056.350000000000" numContractsAffectedRedeemed="66"/>
        <contractSecurity separateAccountSecurityName="Corporate Executive Accumulator Variable Universal Life" separateAccountContractId="C000080940" separateAccountTotalAsset="304211329.040000000000" numContractsSold="0" grossPremiumReceived="9708632.400000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="33333066.250000000000" contractValueRedeemedSection1035="7833437.660000000000" numContractsAffectedRedeemed="10"/>
        <contractSecurity separateAccountSecurityName="CorpExec VUL Plus" separateAccountContractId="C000214972" separateAccountTotalAsset="122121300.250000000000" numContractsSold="289" grossPremiumReceived="21761786.320000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="18646079.730000000000" contractValueRedeemedSection1035="0.000000000000" numContractsAffectedRedeemed="0"/>
      </contractSecurities>
      <isRule6C7Reliance>N</isRule6C7Reliance>
      <isRule11A2Reliance>N</isRule11A2Reliance>
      <isRule12D1Dash4Reliance>N</isRule12D1Dash4Reliance>
      <isRule12D1GReliance>N</isRule12D1GReliance>
    </unitInvestmentTrust>
    <signature registrantSignedName="CORPORATE SPONSORED VUL SEPARATE ACCOUNT I" signedDate="2026-03-13" signature="Charles A. Whites, Jr." title="Vice President &amp; Associate General Counsel"/>
  </formData>
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