SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. February 18, 2021 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 116 W. R. BERKLEY CORPORATION By  /s/ W. Robert Berkley, Jr. W. Robert Berkley, Jr.  President and Chief Executive Officer Signature Title Date /s/ William R. Berkley Executive Chairman February 18, 2021  William R. Berkley of the Board of Directors /s/ W. Robert Berkley, Jr. President February 18, 2021 W. Robert Berkley, Jr. Chief Executive Officer and Director (Principal executive officer) /s/ Christopher L. Augostini Director February 18, 2021  Christopher L. Augostini /s/ Ronald E. Blaylock Director February 18, 2021  Ronald E. Blaylock /s/ Mark E. Brockbank Director February 18, 2021  Mark E. Brockbank /s/ Mary C. Farrell Director February 18, 2021  Mary C. Farrell /s/ María Luisa Ferré Director February 18, 2021  María Luisa Ferré /s/ Leigh Ann Pusey Director February 18, 2021  Leigh Ann Pusey /s/ Mark L. Shapiro Director February 18, 2021  Mark L. Shapiro /s/ Jonathan Talisman Director February 18, 2021 Jonathan Talisman /s/ Richard M. Baio Executive Vice President February 18, 2021  Richard M. Baio Chief Financial Officer and Treasurer (Principal financial officer  and principal accounting officer)