X0306 4 2020-02-28 0 0001361538 Primoris Services Corp PRIM 0001441444 Perisich John M. C/O PRIMORIS SERVICES CORPORATION 2300 NORTH FIELD STREET, SUITE 1900 DALLAS TX 75201 0 1 0 0 Executive VP & General Counsel Common Stock 141158 I Family Trust Restricted Stock Units 2020-02-28 4 A 0 7486 0 A Common Stock 7486 21917 D Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. These shares are owned directly by the Perisich Family Trust dated July 11, 2007 and indirectly by John M. Perisich, as trustee of the trust. Mr. Perisich is Executive Vice President, General Counsel of Primoris. The restricted stock units vest ratably over three years from the date of grant. /s/ Kenneth M. Dodgen, by power of attorney 2020-03-03