Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to . Commission file number 001-34145 Primoris Services Corporation (Exact name of registrant as specified in its charter) Delaware 20-4743 ...

Primoris Services Corporation (NYSE:PRIM) Q1 2023 Earnings Conference Call May 10, 2023 10:00 AM ET Company Participants Blake Holcomb - VP, IR Thomas McCormick - CEO, President & Director Kenneth Dodgen - EVP & CFO Conference Call Participants Steven Fisher - UBS Lee Jagoda - CJS Securities Sean Eastman - KeyBanc Capital Markets Adam Thalhimer - Thompson, Davis & Company Brent Thielman - D.A. Davidson & Co. Julio Romero - Sidoti & Company Operator Good morning. My name is Emma, and I will be your conferenc ...

| --- | --- | --- | --- | --- | --- | --- | --- | --- | |--------------|------------------|-----------------------|-------|-------|-------|-------|-------|-------| | | | | | | | | | | | | 1Q 2023 Earnings | The Power of Primoris | | | | | | | | May 10, 2023 | | | | | | | | | Notice to Investors This presentation contains forward-looking statements within the meaning of the federal securities laws. These statements give the current expectations of the Company's management. Words such as "anticipates", "belie ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to . Commission file number 001-34145 Primoris Services Corporation (Exact name of registrant as specified in its charter) Delaware 20-474 ...

Primoris Services Corporation (NYSE:PRIM) Q4 2022 Earnings Conference Call February 28, 2023 10:00 AM ET Company Participants Blake Holcomb - VP, IR Tom McCormick - President & CEO Ken Dodgen - CFO Conference Call Participants Lee Jagoda - CJS Securities Steven Fisher - UBS Alex Dwyer - KeyBanc Capital Markets Adam Thalhimer - Thompson Davis Brent Thielman - D.A. Davidson Bill Dezellem - Tieton Capital Management Clay Williams - Goldman Sachs Operator Ladies and gentlemen, thank you for standing by. My name ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34145 Primoris Services Corporation (Exact name of registrant as specified in its charter) Delaware 20-4743916 (St ...