Primoris Services Corporation (NYSE:PRIM) ("Primoris" or the "Company") today announced it will report second quarter 2026 financial results on Tuesday, August 4, 2026, after market close. The Company’s press release will be available on the Primoris website at www.prim.com.

In conjunction with the press release, management will host a conference call and webcast on Wednesday, August 5, 2026, at 9:00 a.m. U.S. Central Time (10:00 a.m. U.S. Eastern Time), to discuss the Company’s second quarter 2026 results and business outlook.

Interested parties are invited to dial-in at +1 833-461-5787, Meeting ID: 505 018 791. For those outside of the US dial-in at +1 585-542-9983 or +44 808 196 8935, Meeting ID: 505 018 791. A link to the webcast will be accessible from the "Investors" section of the Company’s website at www.prim.com.

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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For additional information, contact:

Blake Holcomb

Vice President, Investor Relations

214-545-6773

bholcomb@prim.com