BBSI Declares Quarterly Cash Dividend

VANCOUVER, Wash., Aug. 11, 2011 (GLOBE NEWSWIRE) -- Barrett Business Services, Inc. (BBSI) (Nasdaq:BBSI), a leading provider of business management solutions, announced today that its board of directors has approved a regular quarterly cash dividend of $0.09 per share. The cash dividend will be paid on September 9, 2011 to all stockholders of record as of August 26, 2011.

About BBSI

BBSI (Nasdaq:BBSI) is a leading provider of business management solutions, combining human resource outsourcing and professional management consulting to create a unique operational platform that differentiates it from competitors. The Company's integrated platform is built upon expertise in payroll processing, employee benefits, workers' compensation coverage, risk management and workplace safety programs, and human resource administration. BBSI's partnerships help businesses of all sizes improve the efficiency of their operations. BBSI works with more than 2,000 clients across 25 states. For more information, please visit www.barrettbusiness.com.

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

Released August 11, 2011