X0303 4 2009-08-02 0 0000894253 PEROT SYSTEMS CORP PER 0001249949 RENZI JEFFREY 2300 WEST PLANO PARKWAY PLANO TX 75075 0 1 0 0 Vice President Common Stock 2009-08-02 4 F 0 674 15.98 D 87495 D Upon vesting of restricted stock units, Grantee elected to satisfy tax obligation by withholding sufficient shares to pay taxes, and Perot Systems paid the value of those shares to federal and medicare tax authorities on behalf of Grantee. By Rex C. Mills, by Power of Attorney for Jeffrey Renzi 2009-08-04