James River Group Holdings, Ltd. announced that on June 4, 2023, J. Adam Abram, the Non-Executive Chairman of the Board of James River Group Holdings, Ltd. (the “ Company ”), advised the Company that he does not intend to seek re-election as a director at the Company's 2023 annual general meeting of shareholders (the “ Annual Meeting ”). Mr. Abram's decision not to stand for re-election is not related to any disagreement between him and the Company. In addition, the board of directors of the Company (the “ Board ”) has identified Ollie L. Sherman, Jr., a current director who serves as the lead independent director, as the successor Non-Executive Chairman of the Board, effective upon conclusion of Mr. Abram's term as director, and contingent upon Mr. Sherman's re-election as a director at the Annual Meeting.