BBSI Schedules Fourth Quarter 2005 Earnings Release and Conference Call

PORTLAND, Ore.--(BUSINESS WIRE)--Jan. 25, 2006--Barrett Business

Services, Inc. (Nasdaq:BBSI) will announce its 2005 fourth quarter

operating results on Thursday, February 9, 2006, after the market

close and will hold its regular quarterly conference call, Friday,

February 10, 2006, at 9:00 a.m. PT.

The dial-in number for this conference call is 877-356-3717 and

the call identification number is 4797340. The conference call will be

hosted by William W. Sherertz, President and Chief Executive Officer,

and Michael D. Mulholland, 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

11:00 a.m. PT on Friday, February 10, 2006, and ending on February 17,

2006. The access telephone number for the replay is 800-642-1687 and

the access code is 4797340.

BBSI provides a comprehensive range of human resource management

solutions to large and small companies throughout many regions of the

United States.

CONTACT: Barrett Business Services, Inc.

William W. Sherertz, 503-220-0988

SOURCE: Barrett Business Services, Inc.

Released January 25, 2006