Columbia Bancorp Announces Fourth Quarter Conference Call and Webcast

    Business Editors

    THE DALLES, Ore.--(BUSINESS WIRE)--Jan. 4, 2005--Columbia Bancorp (Nasdaq: CBBO), the financial holding company for Columbia River Bank, will hold its year-end and fourth quarter conference call and live webcast on Wednesday, January 26, 2005. The 2004 fourth quarter and full year earnings release will be distributed before the market opens that day.
    Roger Christensen, President and Chief Executive Officer, along with the executive management team, will host a conference call for investors, analysts and other interested parties beginning at 12:00 p.m. Pacific Time (3:00 p.m. Eastern Time). To participate in the call dial 1-888-339-2688. The conference ID number to access the call is 24369769 and the leader is Roger Christensen. The live webcast can be heard by going to Columbia Bancorp's Web site at www.columbiabancorp.com (also at www.columbiariverbank.com) and selecting Presentations/Webcast under Investor Relations.
    The call replay will be available until January 31, 2005, starting two hours after the completion of the live call. To listen to the replay, dial 1-888-286-8010 and use access code 67243393. In addition, the webcast will be archived on Columbia Bancorp's web site.

    About Columbia Bancorp

    Columbia Bancorp (www.columbiabancorp.com) is the financial holding company for Columbia River Bank, which operates 20 branches located in The Dalles (2), Hood River, Bend (4), Madras, Redmond (2), Pendleton, Hermiston, McMinnville (3), Canby and Newberg, Oregon, and in Goldendale, White Salmon and Kennewick, Washington. To supplement its community banking services, Columbia River Bank also provides mortgage-lending services through the CRB Mortgage Team and brokerage services through the CRB Financial Services Team.

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CONTACT: Columbia Bancorp Roger L. Christensen, President and CEO 541-298-6633 or rchristensen@columbiabancorp.com Greg B. Spear, Executive Vice President and CFO 541-298-6612 or gspear@columbiabancorp.com

KEYWORD: WASHINGTON OREGON INDUSTRY KEYWORD: BANKING EARNINGS CONFERENCE CALLS SOURCE: Columbia Bancorp

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