UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 23, 2003 COLUMBIA BANCORP (Exact name of registrant as specified in its chapter) Oregon 0-27938 93-1193156 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 401 East Third Street, Suite 200, The Dalles, Oregon 97058 (Address of principal executive offices) (541) 298-6649 (Registrant's telephone number, including area code) Not Applicable (Former name or former address, if changed since last report) Item 7. Exhibits. (c) Exhibits 99.1 Press Release dated July 23, 2003. Item 9. Regulation FD Disclosure. The information, furnished under this "Item 9. Regulation FD Disclosure," is intended to be furnished under "Item 12. Disclosure of Results of Operations and Financial Condition" in accordance with SEC Release No. 33-8216. On July 23, 2003, Columbia Bancorp (NASDAQ: "CBBO") issued a press release announcing its 2003 second quarter results. A copy of the press release, including unaudited financial information released as a part thereof, is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference herein. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. /s/ Roger L. Christensen ------------------------ Roger L. Christensen, President and Dated: July 23, 2003 Chief Executive - Columbia River Bank; President and Chief Executive Officer - Columbia Bancorp /s/ Greg B. Spear ----------------- Greg B. Spear, Executive Vice President, Dated: July 23, 2003 Chief Financial Officer - Columbia River Bank; and Chief Financial Officer - Columbia Bancorp