BBSI To Present at Roth Capital Partners Conference

PORTLAND, Ore., Sep 06, 2005 (BUSINESS WIRE) -- Barrett Business Services, Inc. (Nasdaq:BBSI) today

announced that William W. Sherertz, President and Chief Executive

Officer, will speak to the investment community at the Roth Capital

Partners 2005 NYC Conference in New York on September 7, 2005. The

conference will be simultaneously webcast over the Internet.

Mr. Sherertz is scheduled to speak on September 7, 2005 at

approximately 10:30 a.m. Eastern Time. Interested investors can listen

to the live audio webcast of the presentation and view supplemental

financial information by accessing the company's web site

www.barrettbusiness.com and proceeding to the investor relations

portion of the site and then to webcasts. A replay of the audio

webcast will be available on Barrett's web site for thirty days after

posting. The webcast is also accessible at

www.wsw.com/webcast/roth6/bbsi/.

BBSI provides a comprehensive range of human resource management

solutions to large and small companies throughout many regions of the

United States.

SOURCE: Barrett Business Services, Inc.

Barrett Business Services, Inc.

William W. Sherertz,

President and Chief Executive Officer

503-220-0988

Released September 6, 2005