Simmons First National Corporation and Simmons Bank announced changes to certain executive management roles. George Makris, Jr., Simmons' current chairman and chief executive officer, will assume the role of full-time executive chairman of Simmons.  Mr. Makris has been a director of the Company since 1997 and has served as its chief executive officer since 2014.  In his new role, Mr. Makris will continue to lead Simmons' boards of directors as their chairman and will work directly with Simmons' chief executive officer, as well as the other members of executive management, on strategic initiatives and a smooth leadership transition. Robert "Bob" Fehlman, Simmons' current president and chief operating officer, will assume the role of chief executive officer of Simmons.  Mr. Fehlman has worked for either the Company or its affiliates since 1988.  Following the transition, Mr. Fehlman will lead the development of Simmons' "better bank" initiatives and will manage the day-to-day responsibilities commensurate with the duties of the chief executive officer. The changes described above will be effective January 1, 2023.