Exhibit 99.1 Primoris Services Corporation Reports Fourth Quarter and Full Year 2023 Results Dallas, TX – Feb. 26, 2024 – Primoris Services Corporation (NYSE: PRIM) ("Primoris" or the "Company") today announced financial results for its fourth quarter and full year ended December 31, 2023 and provided the Company's initial outlook for 2024. For the full year 2023, Primoris reported the following highlights (1): For the fourth quarter 2023, Primoris reported the following highlights (1): "Our 2023 results ma ...

The Power of Primoris 3Q 2023 Earnings November 8, 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", "believes", "could", "estimates", "expects", "intends", "may", "plans", "potential", "predicts", "projects", "should", "will", "would" and similar expressions are used to identify forward-looking statements. Without limiting t ...

Primoris Services Corporation (NYSE:PRIM) Q3 2023 Earnings Conference Call November 8, 2023 10:00 AM ET Company Participants Blake Holcomb - Vice President, Investor Relations Tom McCormick - President and Chief Executive Officer Ken Dodgen - Chief Financial Officer Conference Call Participants Steven Fisher - UBS Lee Jagoda - CJS Securities Jerry Revich - Goldman Sachs Adam Thalhimer - Thompson Davis Brent Thielman - D.A. Davidson Julio Romero - Sidoti & Company Lee Jagoda - CJS Securities Operator Ladies ...

Acquisitions - The company acquired PLH Group, Inc. for approximately $429.0 million, enhancing its capabilities in utility markets [143]. - The acquisition of B Comm Holdco, LLC was completed for about $36.0 million, aimed at expanding communication services within utility markets [144]. Financial Performance - Revenue for the three months ended September 30, 2023, was $1,529.5 million, an increase of $245.4 million, or 19.1%, compared to the same period in 2022 [156]. - Revenue for the nine months ended September 30, 2023, was $4,199.8 million, an increase of $1,108.3 million, or 35.9%, compared to the same period in 2022 [157]. - Gross profit for the three months ended September 30, 2023, was $173.9 million, an increase of $19.0 million, or 12.3%, compared to the same period in 2022 [158]. - Gross profit for the nine months ended September 30, 2023, was $430.9 million, an increase of $127.4 million, or 42.0%, compared to the same period in 2022 [159]. - SG&A expenses for the three months ended September 30, 2023, were $84.4 million, an increase of $8.7 million, or 11.5%, compared to 2022 [160]. - SG&A expenses for the nine months ended September 30, 2023, were $248.0 million, an increase of $57.1 million, or 29.9%, compared to 2022 [161]. Backlog and Future Revenue - As of September 30, 2023, total Fixed Backlog was $4.63 billion, an increase of $1.05 billion, or 29.4% from $3.58 billion at December 31, 2022 [183]. - MSA Backlog at September 30, 2023 totaled $2.06 billion, with Utilities segment contributing $1.82 billion and Energy segment $241 million [185]. - Total backlog (Fixed Backlog plus MSA Backlog) reached $6.69 billion as of September 30, 2023, with expectations to recognize approximately 69% as revenue over the next four quarters [186]. Cash Flow and Liquidity - Cash and cash equivalents were $160.7 million at September 30, 2023, down from $248.7 million at December 31, 2022 [191]. - Net cash used in operating activities for the nine months ended September 30, 2023 was $7.1 million, a significant improvement from $102.0 million used in the same period in 2022 [195]. - The company anticipates sufficient funds from cash, investments, and future cash flows to meet operating needs and capital expenditures for the next twelve months [192]. Debt and Financing - As of September 30, 2023, $300.0 million of the company's variable rate debt was economically hedged, with a 1.0% interest rate change affecting annual interest expense by approximately $7.2 million [151]. - Outstanding borrowings under the Revolving Credit Facility were $120 million as of September 30, 2023, with available borrowing capacity of $167.2 million [188]. - The company had bid and completion bonds issued and outstanding amounting to approximately $6.0 billion, with remaining performance obligations on those projects totaling about $2.7 billion [209]. Market Conditions and Risks - The company anticipates elevated levels of cost inflation to persist into 2024, impacting operations and pricing strategies [147]. - The regulatory environment has led to delays and cancellations of projects, but also increased demand for pipeline maintenance and integrity services [150]. - The company is exposed to market risks including fluctuations in foreign currency exchange rates, interest rates, and commodity prices, which may be managed through financial derivative instruments [211]. Operational Challenges - Seasonal impacts, particularly weather-related, can significantly affect revenue and profitability across all business segments [152]. - The company has experienced increased fuel and labor costs, which have been addressed through price escalation provisions in major contracts [147]. - The company operates in a cyclical industry, with financial results subject to quarterly variations due to client project schedules and economic conditions [153]. - The company may renegotiate major contracts to address increased costs on future work [210]. Taxation - The effective tax rate for the nine-month period ended September 30, 2023, was 29.0%, compared to 19.6% for the same period in 2022 [167]. - The company recorded income tax expense of $36.1 million for the nine months ended September 30, 2023, compared to $22.3 million for the same period in 2022 [168]. Customer Dependency - The company has not been dependent on any single customer, although a small number of customers can constitute a substantial portion of total revenue in any given year [139]. Internal Controls - The company has effective disclosure controls and procedures as of September 30, 2023, ensuring timely and accurate reporting of required information [215]. - There were no changes to the internal control over financial reporting that materially affected the company during the quarter ended September 30, 2023 [217].

Primoris Services Corporation (NYSE:PRIM) Q2 2023 Earnings Conference Call August 8, 2023 10:00 AM ET Company Participants Blake Holcomb - Vice President, Investor Relations Tom McCormick - President & Chief Executive Officer Ken Dodgen - Chief Financial Officer Conference Call Participants Adam Thalhimer - Thompson Davis Alex Hantman - Sidoti & Co. Oliver Chornous - D.A. Davidson Pete Lukas - CJS Securities Operator Thank you for standing by. My name is Enrique and I'll be your conference operator today. A ...

All information in this presentation reflects management's views as of August 8, 2023. The Company does not undertake, and expressly disclaims any duty, to update any statement made in this presentation, whether as a result of new information, new developments, or otherwise, except as may be required by law. | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | |----------------|-------|-------|-----------------------|-------|-------|-------|-------|-------|-------|-------|-- ...

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) 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 ...

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", "believes", "could", "estimates", "expects", "intends", "may", "plans", "potential", "predicts", "projects", "should", "will", "would" and similar expressions are used to identify forward-looking statements. Without limiting the generality of the foregoing, forward-looking statements contained in this ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Delaware 20-4743916 (State or Other Jurisdiction of (I.R.S. Employer Incorporation or Organization) Identification No.) (Mark One) ☐ 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. ...