X0306 4 2020-05-22 0 0001361538 Primoris Services Corp PRIM 0001707945 Dodgen Kenneth Morris C/O PRIMORIS SERVICES CORPORATION 2300 NORTH FIELD STREET, SUITE 1900 DALLAS TX 75201 0 1 0 0 Chief Financial Officer Common Stock 2020-05-22 4 M 0 10119 A 15782 D Common Stock 2020-05-22 4 F 0 2464 15.00 D 13318 D Restricted Stock Unit 2020-05-22 4 M 0 10119 0 D Common Stock 10119 12404 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. The restricted stock units vest in three equal annual installments on each of the first through third anniversaries of the grant date, subject to accelerated vesting upon the reporting person's termination without cause, death, disability, or a change in control of the Company. Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units. /s/ Kenneth M. Dodgen 2020-05-26