Prospectus Supplement #4 Filed pursuant to Rule 424(b)(3) (To Prospectus Dated May 29, 2001) Registration No. 333-58038 AFFILIATED COMPUTER SERVICES, INC. $316,990,000 3.50% Convertible Subordinated Notes due February 15, 2006 and 3,649,094 Shares of Class A Common Stock, $0.01 Par Value Per Share, Issuable Upon Conversion of the Notes ---------- This prospectus supplement relates to the resale by the holders of Affiliated Computer Services, Inc. 3.50% Convertible Subordinated Notes Due February 15, 2006 and 3,649,094 shares of Class A Common Stock, $0.01 par value per share, issuable upon conversion of the notes. This prospectus supplement should be read in conjunction with, and may not be delivered or utilized without, the prospectus dated May 29, 2001 relating to such notes and shares, including any amendments or supplements thereto. The terms of the notes are set forth in the prospectus. The information in the table appearing under the heading "Selling Securityholders" in the prospectus is amended by adding the information below with respect to persons not previously listed in the prospectus or in any amendments or supplements thereto: NUMBER OF SHARES OF CLASS A COMMON STOCK ---------------------------------------- PRINCIPAL AMOUNT OF NOTES BENEFICIALLY OWNED AND BENEFICIALLY OFFERED OWNED AFTER NAME OF SELLING SECURITYHOLDER OFFERED HEREBY OWNED(1) HEREBY THE OFFERING ------------------------------ -------------- -------- ------ ------------ NOT PREVIOUSLY LISTED Gulf Investment Corporation........................... 350,000 4,029 4,029 -0- ---------- (1) These shares of Class A Common Stock are issuable upon conversion of the notes. ---------- The date of this prospectus supplement is November 29, 2001