TACOMA, Wash., Jan. 7, 2015 /PRNewswire/ -- Columbia Banking System, Inc. (NASDAQ: COLB) expects to report fourth quarter and full-year 2014 financial results on Thursday, January 29, 2015 at 5:00 a.m. PST. Management will discuss these results on a conference call scheduled for that afternoon at 1:00 p.m. PST (4:00 p.m. EST). Interested parties may listen to this discussion by calling 1-866-378-3802; Conference ID code #62154937.

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A conference call replay will be available from approximately 4:00 p.m. PST on January 29, 2015 through midnight PST on February 5, 2015. The conference call replay can be accessed by dialing 1-855-859-2056 and entering Conference ID code #62154937.

About Columbia
Headquartered in Tacoma, Washington, Columbia Banking System, Inc. is the holding company of Columbia State Bank, a Washington state-chartered full-service commercial bank with over 150 branches throughout Washington, Oregon and Idaho. For the eighth consecutive year, the bank was named in 2014 as one of Puget Sound Business Journal's "Washington's Best Workplaces."

More information about Columbia can be found on its website at www.columbiabank.com.

Contact: JoAnne Coy, Vice President,
Corporate Communications
253-305-1965; jcoy@columbiabank.com

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SOURCE Columbia Banking System, Inc.