PRIMU Primoris Services - Units (MM)

Primoris Services Corporation (Nasdaq:PRIM) ("Primoris") today announced that Peter J. Moerbeek, EVP and Chief Financial Officer, will present at the Pritchard Capital Partners Energize 2011 Conference on Wednesday, January 5, 2011 at 1:35 pm Pacific Time / 4:35 pm Eastern Time in San Francisco, CA. The presentation will also be broadcast live and replayed via the "Investor Relations" section of Primoris's website at www.prim.com. 

ABOUT PRIMORIS

Founded in 1946, Primoris, through various subsidiaries, has grown to become one of the largest specialty contractors and infrastructure companies in the United States. Serving diverse end markets, Primoris provides a wide range of construction, fabrication, maintenance, replacement, water and wastewater, and engineering services to major public utilities, petrochemical companies, energy companies, municipalities, and other customers. With its acquisitions of James Construction Group in December 2009 and Rockford Corporation in November 2010, Primoris has doubled its size and the Company's national footprint now extends from Florida, along the Gulf Coast, through California, into the Pacific Northwest and Canada. For additional information, please visit www.prim.com

The Primoris Services Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=5527

CONTACT: Primoris Services Corporation
         Peter J. Moerbeek, Executive Vice President, Chief
          Financial Officer
         (949) 454-7121
         pmoerbeek@prim.com

         The Equity Group Inc.
         Devin Sullivan, Senior Vice President
         (212) 836-9608
         dsullivan@equityny.com