X0306 4 2020-03-16 0 0001361538 Primoris Services Corp PRIM 0001707945 Dodgen Kenneth Morris C/O PRIMORIS SERVICES CORPORTATION 2300 NORTH FIELD STREET, SUITE 1900 DALLAS TX 75201 0 1 0 0 Chief Financial Officer Common Stock 2020-03-16 4 P 0 2500 10.64 A 5663 D Restricted Stock Units Common Stock 22490 22490 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 ratably over three years from the date of grant. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.55 to $10.7095 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Kenneth M. Dodgen 2020-03-19