Barrett Business Services (BBSI) 8-K Bbsi Declares Quarterly Cash Dividend

Exhibit 99.1

NEWS RELEASE

For Immediate Release Contact: William W. Sherertz

President and

Chief Executive Officer

Telephone: (360) 828-0700

BBSI DECLARES QUARTERLY CASH DIVIDEND

VANCOUVER, WASHINGTON, May 14, 2009 - Barrett Business Services, Inc. (Nasdaq trading symbol: BBSI) announced today that its board of directors has approved a regular quarterly cash dividend of $0.08 per share. The cash dividend will be paid on June 12, 2009 to all stockholders of record as of May 29, 2009.

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

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