X0303 4/A 2009-08-14 2009-08-17 0 0001361538 Primoris Services CORP PRIM 0001441321 Tucker Thomas E. 26000 COMMERCENTRE DRIVE LAKE FOREST CA 92630 1 0 0 0 Common Stock 2009-08-14 4 P 0 3653 7.30 A 22653 I By Trust Common Stock 2009-08-14 4 P 0 47 7.22 A 22700 I By Trust Common Stock 2009-08-14 4 P 0 800 7.22 A 23500 I By Trust Common Stock 2009-08-14 4 P 0 500 7.23 A 24000 I By Trust Common Stock 3303 I By SaraJen Capital, LLC. Shares of Common Stock held by Tucker Family Trust U/A dated 12/21/1998, a revocable trust, of which Mr. Tucker is a trustee and benificiary. Shares of Common Stock held by SaraJen Capital, LLC., a California limited liability corporation, of which Mr. Tucker is a one-third member and is its sole manager with full dispositive power over these shares. This transaction date was mistakenly identified in the original filing of this Form 4 on 08/17/2009 as 08/14/2007. The purpose of this amendment to Form 4 is to correctly identify the date of transaction to be 08/14/2009. These shares beneficially owned by Mr. Tucker were mistakenly excluded from the original filing of this Form 4 on 08/17/2009. The purpose of this amendment to Form 4 is to correctly report the amount of securities benificially owned by Mr. Tucker, indirectly through SaraJen Capital, LLC. /s/ Peter J. Moerbeek, by Power of Attorney 2009-08-24