TACOMA, Wash. , Aug. 22, 2025 /PRNewswire/ -- Columbia Banking System, Inc. (" Columbia " Nasdaq: COLB) will participate in the Barclays 23 rd Annual Global Financial Services Conference. Representatives of Columbia are scheduled to present on Wednesday, September 10, 2025 , at 11:15 a.m. ET .

A live audiocast of the presentation, which may contain forward-looking statements, as well as an audio replay will be available in the "News & Market Data – Event Calendar" section of our investor relations website at www.columbiabankingsystem.com .

About Columbia

Columbia Banking System, Inc. (Nasdaq: COLB) is headquartered in Tacoma, Washington and is the parent company of Columbia Bank (dba: Umpqua Bank), an award-winning western U.S. regional bank. Columbia Bank is the la

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