BBSI to Present at ROTH Capital Partners 2011 Consumer, Services & Internet Discovery Conference on September 22, 2011

VANCOUVER, Wash., Sept. 15, 2011 (GLOBE NEWSWIRE) -- Barrett Business Services, Inc. (BBSI) (Nasdaq:BBSI), a leading provider of business management solutions, has been invited to present at the ROTH Capital Partners 2011 Consumer, Services & Internet Discovery Conference. The conference will be held at the Galley Beach Restaurant in Nantucket, MA on September 21-23, 2011.

Michael L. Elich, president and CEO of BBSI, is scheduled to present on Thursday, September 22, 2011 at 1:00 p.m. Eastern time. He will discuss the company's business plan and objectives for the remainder of 2011.

For more information about the conference, please contact your ROTH representative at 1-800-678-9147.

About ROTH Capital Partners, LLC

ROTH Capital Partners (ROTH) is a relationship-driven investment bank focused on identifying opportunities for institutional investors in U.S.-listed equity securities of companies based in the U.S. and China. Headquartered in Newport Beach, CA, with offices throughout the U.S., Hong Kong and a Shanghai Representative Office, the employee-owned firm provides analytical research, trading, capital raising, and business combination advisory services. ROTH seeks to implement innovative financing strategies to efficiently meet the liquidity and valuation requirements of both its corporate and institutional investor clients. For more information, go to www.roth.com.

About BBSI, Inc.

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: Investor Relations:
         Liolios Group, Inc.
         Scott Liolios or Cody Slach
         1-949-574-3860
         BBSI@liolios.com

Released September 15, 2011