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<!--Generated by Broadridge Transform (tm) - http://www.broadridge.com-->
<!--Created: Wed Aug 26 20:15:02 UTC 2026-->
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        <issuerCredentials>
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      <periodOfReport>06/30/2026</periodOfReport>
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        <phoneNumber>203-629-3007</phoneNumber>
        <address>
          <common:street1>475 Steamboat Rd</common:street1>
          <common:city>Greenwich</common:city>
          <common:stateOrCountry>CT</common:stateOrCountry>
          <common:zipCode>06830</common:zipCode>
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        <name>Richard M. Baio</name>
        <address>
          <common:street1>475 STEAMBOAT RD</common:street1>
          <common:city>Greenwich</common:city>
          <common:stateOrCountry>CT</common:stateOrCountry>
          <common:zipCode>06830</common:zipCode>
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      <reportingPerson>BERKLEY W R CORP</reportingPerson>
      <txSignature>Richard M. Baio</txSignature>
      <txPrintedSignature>Richard M. Baio</txPrintedSignature>
      <txTitle>Executive Vice President &amp; Chief Financial Officer</txTitle>
      <txAsOfDate>08/26/2026</txAsOfDate>
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