0000950134-09-008751 8-K 2 20090429 2.02 9.01 20090429 20090429 CADENCE DESIGN SYSTEMS INC 0000813672 7372 770148231 DE 1229 8-K 34 001-10606 09779403 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 f52259e8vk.htm FORM 8-K EX-99.01 2 f52259exv99w01.htm EX-99.01