144 0001358632 XXXXXXXX LIVE 0001361538 Primoris Services Corp 001-34145 2300 N. FIELD STREET, SUITE 1900 DALLAS TX 75201 214-740-5600 STRICKER TRAVIS L Officer Common Charles Schwab & Co., Inc.

3000 Schwab Way Westlake TX 76262

4583 369435.63 53713084 12/12/2024 NYSE Common 08/27/2021 Stock Grant Issuer N 1973 08/27/2021 N/A Common 03/28/2022 Stock Grant Issuer N 1771 03/28/2022 N/A Common 10/20/2023 Stock Grant Issuer N 839 10/20/2023 N/A Y Trades taking place in trust acct titled: N STRICKER & T STRICKER TTEE TRAVIS LEE STRICKER & NANCY RO U/A DTD 02/12/2020 12/12/2024 Travis Stricker