BBSI Schedules First Quarter 2011 Earnings Release and Conference Call

VANCOUVER, Wash., April 19, 2011 (GLOBE NEWSWIRE) -- Barrett Business Services, Inc. (Nasdaq:BBSI) will announce its 2011 first quarter operating results on Tuesday, April 26, 2011, after the market close and will hold its regular quarterly conference call, Wednesday, April 27, 2011, at 9:00 a.m. PT.

The dial-in number for this conference call is (877) 214-1511 and the call identification number is 61979029. The conference call will be hosted by Michael L. Elich, President and Chief Executive Officer and James D. Miller, Vice President-Finance, of BBSI. The conference call will also be webcast live at www.barrettbusiness.com. To access the webcast, click on the investor relations section of the Web site and select webcasts.

A replay of the conference call will be available beginning at 12:00 p.m. PT on Wednesday, April 27, 2011 and ending on Wednesday, May 4, 2011. The access telephone number for the replay is (800) 642-1687 and the access code is 61979029.

BBSI provides a comprehensive range of human resource management solutions to large and small companies throughout many regions of the United States.

CONTACT: Michael L. Elich
         President and
         Chief Executive Officer
         Telephone: (360) 828-0700

Released April 19, 2011