Clint Stein Elected Chair of Columbia Banking System Board of Directors

Group 1 - Columbia Banking System, Inc. has elected Clint Stein as Chair of the Board of Directors, effective January 22, 2026, while Maria Pope transitions to Lead Independent Director [1][2] - The Board's decision reflects confidence in Mr. Stein's leadership and aims to ensure continuity and strong governance as the company pursues its long-term strategic priorities [2][3] - Maria Pope's role as Lead Independent Director emphasizes the Board's commitment to best practice governance and independent oversight, with responsibilities including presiding over executive sessions and engaging with shareholders [3][4] Group 2 - Clint Stein has been with Columbia since 2020, focusing on disciplined growth and prudent risk management, while Maria Pope and Luis Machuca have been on the Board since 2014 and 2010, respectively [4] - Columbia Banking System, Inc. is headquartered in Tacoma, Washington, and operates as a regional bank with a presence in multiple states, offering a wide range of banking services [5]