Barrett Business Services to Present at Two Investment Conferences in September

PORTLAND, Ore., Sept. 7 /PRNewswire-FirstCall/ -- 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 Conference in New York City on Monday, September

13, 2004. Interested investors can listen to the live audio webcast of Mr.

Sherertz's presentation at 12:00 p.m. EDT by accessing the Company's web site

www.barrettbusiness.com and proceeding to the investor relations portion of

the site and selecting this event under webcasts. The webcast is also

accessible at http://www.wsw.com/webcast/roth4/bbsi/.

Mr. Sherertz will also speak to the investment community at the 2004

Northwest Investors Conference on Saturday, September 18, 2004 in Portland,

Oregon. The conference is sponsored by MKG Financial Group, a Portland-based

investment advisory firm. Mr. Sherertz's presentation will be available on a

delayed basis on Monday, September 20 at www.mkgfinanical.com.

BBSI provides human resource management solutions to large and small

companies throughout many regions of the United States.

SOURCE  Barrett Business Services, Inc.
    -0-                             09/07/2004
    /CONTACT:  William W. Sherertz, President and Chief Executive Officer of
Barrett Business Services, Inc., +1-503-220-0988/
    /Web site:  http://www.barrettbusiness.com /
    (BBSI)
CO:  Barrett Business Services, Inc.; BBSI
ST:  Oregon, New York
IN:  STW
SU:  TDS CCA
MC-UC 
-- SFTU126 --
6347 09/07/2004 17:25 EDT http://www.prnewswire.com

Released September 7, 2004