Primoris Services Corporation to Participate in Investor Conferences

Primoris Services Corporation (NYSE: PRIM) (“Primoris” or “the Company”) announced today that the Company’s management team will participate in three upcoming institutional investor conferences.

• Stifel 2025 Boston Cross Sector 1x1 Conference –Boston, Massachusetts on June 3, 2025
• JP Morgan Energy, Power, Renewables & Mining Conference –New York City, New York on June 24, 2025
• CJS Securities 25th Annual “New Ideas” Summer Conference –White Plains, New York on July 10, 2025

A copy of the Company’s most recent investor presentation will be available on the Company’s Investor Relations “Events and Presentations” section of its website, www.prim.com, prior to each conference.

About Primoris

Primoris Services Corporation is a premier specialty contractor providing critical infrastructure services to the utility, energy, and renewables markets throughout the United States and Canada. Built on a foundation of trust, we deliver a range of engineering, construction, and maintenance services that power, connect, and enhance society. On projects spanning utility-scale solar, renewables, power delivery, communications, and transportation infrastructure, we offer unmatched value to our clients, a safe and entrepreneurial culture to our employees, and innovation and excellence to our communities. To learn more, visit www.prim.com and follow us on social media at @PrimorisServicesCorporation.

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