Primoris Services Corporation Schedules Release of Third Quarter 2009 Financial Results and Conference Call

Primoris Services Corporation (Nasdaq:PRIM) (Nasdaq:PRIMW) (Nasdaq:PRIMU) ("Primoris" or "Company"), one of the largest specialty contractors and engineering companies in the United States, announced today that it will issue its financial results for the third quarter ended September 30, 2009 on Thursday, November 12, 2009, before the stock market opens. Management will host a conference call that morning at 11:30 am Eastern Time / 8:30 am Pacific Time to discuss the results.

Interested parties may participate in the call by dialing (866) 255-7436 (Domestic) or (706) 634-4739 (International) approximately 10 minutes before the call is scheduled to begin and ask to be connected to the "Primoris Services Corporation" conference call. The conference call will also be broadcast live via the "Investor Relations" section of Primoris's website at www.primoriscorp.com. Once at the "Investor Relations" section, interested parties should click on "Events & Presentations." To listen to the live call, please go to the website at least 15 minutes early to register, download and install any necessary audio software. If you are unable to participate in the live call, the conference call will be archived and can be accessed for approximately 90 days.

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

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: Primoris Services Corporation

CONTACT:  Primoris Services Corporation
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

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