Primoris Services Corporation to Present at KeyBanc Capital Markets Engineering &...

Primoris Services Corporation to Present at KeyBanc Capital Markets Engineering
& Construction Conference

LAKE FOREST, Calif., Nov. 5, 2009 (GLOBE NEWSWIRE) -- Primoris Services
Corporation (Nasdaq:PRIM) (Nasdaq:PRIMU) (Nasdaq:PRIMW) ("Primoris" or
"Company"), one of the largest specialty contractors and engineering companies
in the United States, today announced that management is scheduled to present at
the 2009 KeyBanc Capital Markets Engineering & Construction conference on
Thursday, November 19, 2009 at the Grand Hyatt New York. The presentation will
not be webcast, however, the slides used for this presentation will be available
beginning November 19, 2009 on the "Investor Relations" section of Primoris'
website www.primoriscorp.com.

About Primoris

Primoris, through various subsidiaries, is one of the largest specialty
contractors and engineering companies in the United States, primarily serving
the growing power and energy sectors. Primoris provides a wide range of
construction, fabrication, maintenance and replacement services, as well as
engineering services to major public utilities, petrochemical companies, energy
companies, municipalities and other customers. Primoris is also a leading water
and wastewater contractor in the state of Florida, and a specialist in designing
and constructing complex commercial and industrial concrete structures in
California. For additional information on Primoris, please visit
www.primoriscorp.com.

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

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

The Equity Group Inc.
Devin Sullivan, Senior Vice President
(212) 836-9608
dsullivan@equityny.com
Gerrard Lobo, Senior Account Executive
(212) 836-9610
globo@equityny.com