0000950134-04-008240 8-K 2 20040528 9 20040528 CADENCE DESIGN SYSTEMS INC 0000813672 7372 770148231 DE 0102 8-K 34 001-10606 04838995 2655 SEELY ROAD BLDG 5 SAN JOSE CA 95134 4089431234 555 RIVER OAKS PARKWAY SAN JOSE CA 95134 ECAD INC /DE/ 19880609 8-K 1 f99386e8vk.htm FORM 8-K EX-99.1 2 f99386exv99w1.htm EXHIBIT 99.1