PROSPECTUS SUPPLEMENT NO. 3 TO PROSPECTUS DATED JANUARY 15, 2003 OF COMPUTER ASSOCIATES INTERNATIONAL, INC. RELATING TO RESALES BY SELLING SECURITYHOLDERS OF 5% CONVERTIBLE SENIOR NOTES AND SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF THE SENIOR NOTES This Prospectus Supplement supplements the Prospectus dated January 15, 2003 (the "Prospectus"). This Prospectus Supplement should be read in conjunction with the Prospectus, which is to be delivered by selling securityholders to prospective purchasers along with this Prospectus Supplement. The information in the following table supersedes in part and supplements the information in the relevant section in the Prospectus. SHARES OF COMMON AGGREGATE PRINCIPAL SHARES OF SHARES OF STOCK BENEFICIALLY AMOUNT OF NOTES COMMON COMMON OWNED BENEFICIALLY STOCK STOCK AFTER COMPLETION SELLING HOLDER OWNED AND OFFERED BENEFICIALLY OWNED OFFERED OF THE OFFERING -------------- ------------------- ------------------ --------- ------------------ Bank Austria Cayman Islands, LTD (1)............................... 3,900,000 160,229 160,229 0 D. E. Shaw Investment Group, L.P. (2)............................... 2,700,000 110,928 110,928 0 D. E. Shaw Valence Portfolio, L.P. (2)............................... 10,800,000 443,713 443,713 0 Guggenheim Portfolio Co. XV, LLC (1)............................... 755,000 31,018 31,018 0 Ramius Capital Group (1)............ 200,000 8,216 8,216 0 Ramius, LP (1)...................... 103,000 4,231 4,231 0 RCG Baldwin, LP (1)................. 167,000 6,861 6,861 0 RCG Halifax Master Fund, LTD (1).... 625,000 25,677 25,677 0 RCG Latitude Master Fund, LTD (1)... 2,250,000 92,440 92,440 0 RCG Multi Strategy, LP (1).......... 3,200,000 131,470 131,470 0 RCG Multi Strategy Master Fund, LTD (1)........................... 400,000 16,433 16,433 0 Xavex Convertible Arbitrage #5 (1)............................... 300,000 12,325 12,325 0 ------------------------ (1) Alex Adair exercises voting and investment control over any shares of Common Stock issuable upon conversion of the Notes owned by this selling holder. (2) Julius Gaudio, Eric Wepsic and Anne Dinning, on behalf of D. E. Shaw & Co. L.P., exercise voting and investment control over any shares of Common Stock issuable upon conversion of the Notes owned by this selling holder. ------------------------ Prospectus Supplement dated March 4, 2003