Marsh & McLennan Companies, Inc. appointed Peter Harrison, age 59, as a independent member of the Board, effective immediately (February 25, 2026). The Company?s Board now consists of 13 directors. Mr. Harrison has over three decades of experience in investment management and executive leadership.

He retired from Schroders plc in 2024 after more than a decade at the firm, serving as CEO from 2016, and previously as Global Head of Investment. He also led RWC Partners (now RedWheel) as Chairman and Chief Executive Officer from 2006 to 2013 and served as Global Chief Investment Officer of Deutsche Bank?s asset management businesses from 2004 to 2006. Mr. Harrison is Chair of the Board of Directors of Morgan Sindall plc.

He also serves on the Board of Directors of Lazard, Inc. He is actively involved in several industry and community organizations, including the UK Capital Markets Industry Taskforce, and is Chair of Business in the Community, the business charity of His Majesty King Charles III. He also serves on the UK Economy Honours Committee and as an advisor to FCLT Global, a non-profit association dedicated to promoting long-term investing.