0000950134-04-005751 8-K 2 20040422 5 7 20040422 CADENCE DESIGN SYSTEMS INC 0000813672 7372 770148231 DE 0102 8-K 34 001-10606 04748532 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 f98308e8vk.htm FORM 8-K EX-99.1 3 f98308exv99w1.txt EXHIBIT 99.1