Columbia Banking System to Present at the D.A. Davidson Financial Services Conference in Seattle, Washington on May 11, 2011

May 03, 2011, 18:04 ET from Columbia Banking System, Inc.

TACOMA, Wash., May 3, 2011 /PRNewswire/ -- Columbia Banking System, Inc. (NASDAQ: COLB) announced today that Melanie J. Dressel, President and Chief Executive Officer, is scheduled to present at the D.A. Davidson & Co. 13th Annual Financial Services Conference in Seattle, Washington.  The Columbia Banking System presentation is scheduled for Wednesday, May 11 at 1:30 p.m. Pacific time (4:30 p.m. Eastern).  Ms. Dressel will also participate in an "Emerging M & A Market CEO panel discussion, which is scheduled for 10:45 a.m. PDT on May 11.

The webcast of the presentation can be accessed through a presentation link at or by visiting and clicking on the D.A. Davidson Conference link. The webcast will be archived for 90 days following the live presentation.

About Columbia

Headquartered in Tacoma, Washington, Columbia Banking System, Inc. is the holding company of Columbia Bank, a Washington state-chartered full-service commercial bank which was awarded third place in the large employer category by Seattle Business Magazine's 100 Best Companies to Work For 2010 and was designated one of  Puget Sound Business Journal's "Washington's Best Workplaces 2010".

Columbia Banking System has 85 banking offices, including 60 branches in Washington State and 25 branches in Oregon. Columbia Bank does business under the Bank of Astoria name at the Bank of Astoria's former branches located in Astoria, Warrenton, Seaside, Cannon Beach, Manzanita and Tillamook. More information about Columbia can be found on its website at

Note Regarding Forward Looking Statements

This news release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, which can be identified by words such as "may," "expected," "anticipate", "continue," or other comparable words.  In addition, all statements other than statements of historical facts that address activities that Columbia expects or anticipates will or may occur in the future are forward-looking statements.  Readers are encouraged to read the SEC reports of Columbia, particularly its form 10-K for the Fiscal Year ended December 31, 2010, for meaningful cautionary language discussing why actual results may vary materially from those anticipated by management.

Contact:  Jo Anne Coy; Vice President: Corporate Communications, Investor & Community Relations 253-305-1965

SOURCE Columbia Banking System, Inc.