BBSI Schedules First Quarter 2006 Earnings Release and Conference Call

PORTLAND, Ore., Apr 18, 2006 (BUSINESS WIRE) -- Barrett Business Services, Inc. (Nasdaq:BBSI) will

announce its 2006 first quarter operating results on Wednesday, April

26, 2006, after the market close and will hold its regular quarterly

conference call, Thursday, April 27, 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 8171396. 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

12:00 p.m. PT on Thursday, April 27, 2006, and ending on May 3, 2006.

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

access code is 8171396.

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, 360-828-0700

Released April 18, 2006