Primoris Services Corporation Announces New Underground Contract Work Valued at over $10 Million

Primoris Services Corporation (NASDAQ Global Select: PRIM) (“Primoris” or “Company”) today announced a new contract award from a large midstream oil and gas customer. The new contract was secured by Sprint Pipeline Services, a division of Primoris Energy Services, a Primoris subsidiary and part of the East Construction Service segment. Work has commenced on the project and is scheduled to be completed in the third quarter of 2014.

• The work consists of boring three new pipelines that will be tied into the existing system. The pipelines feed into one of the largest oil refineries in the United States, located along the Gulf Coast of Texas.

ABOUT PRIMORIS

Founded in 1946, Primoris, through various subsidiaries, has grown to become one of the largest construction service enterprises 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. The Company’s national footprint extends from Florida, along the Gulf Coast, through California, into the Pacific Northwest and Canada. For additional information, please visit www.prim.com.

FORWARD-LOOKING STATEMENTS

This press release contains certain forward-looking statements, including with regard to the Company’s future performance. Words such as "estimated," "believes," "expects," "projects," "may," and "future" or similar expressions are intended to identify forward-looking statements. Forward-looking statements inherently involve known and unknown risks, uncertainties, and other factors, including without limitation, those described in this press release and those detailed in the "Risk Factors" section and other portions of our Annual Report on Form 10-K for the period ended December 31, 2013, and other filings with the Securities and Exchange Commission. Given these uncertainties, you should not place undue reliance on forward-looking statements. Primoris does not undertake any obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws.