Rule 424(b)(3) Registration No. 33-64857 SUNGARD/(R)/ DATA SYSTEMS INC. SUPPLEMENT DATED FEBRUARY 12, 1996 TO PROSPECTUS DATED DECEMBER 18, 1995 This supplement provides new and additional information beyond that contained in the Prospectus and should be retained and read in conjunction with such Prospectus. Under the caption "SELLING STOCKHOLDERS," the line item regarding James F. Minihan is amended and restated as follows: # OF SHARES # OF SHARES # OF SHARES % OF SHARES OWNED BEING OWNED OWNED BEFORE THE OFFERED AFTER THE AFTER THE NAME OF SELLING STOCKHOLDER OFFERING FOR SALE OFFERING OFFERING - --------------------------- -------- -------- -------- -------- James F. Minihan 5,589 5,030 559 * Eileen Minihan 3,257 2,931 326 *