Primoris Services Corporation 2Q 2021 Earnings Call August 3, 2021 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 "could," "will," "may," "assume," "forecast," "strategy," "guidance," "outlook," "target," "expect," "intend," "plan," "estimate," "anticipate," "believe," or "project" and similar expressions are used to identify forward-looking ...

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, 2021 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 Investor Presentation June 2021 Forward Looking Statements 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 "could," "will," "may," "assume," "forecast," "strategy," "guidance," "outlook," "target," "expect," "intend," "plan," "estimate," "anticipate," "believe," or "project" and similar expressions are used to identify forward-lookin ...

Primoris Services Corporation Q1 2021 Earnings Call May 5, 2021 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 "could," "will," "may," "assume," "forecast," "strategy," "guidance," "outlook," "target," "expect," "intend," "plan," "estimate," "anticipate," "believe," or "project" and similar expressions are used to identify forward-looking sta ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended March 31, 2021 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 (State or Other ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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) 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, 2020 (Registrant's telephone ...