0000857005-08-000018 8-K 2 20080329 9.01 20080423 20080423 PARAMETRIC TECHNOLOGY CORP 0000857005 7372 042866152 MA 0930 8-K 34 000-18059 08770624 140 KENDRICK STREET NEEDHAM MA 02494 7813705000 140 KENDRICK STREET NEEDHAM MA 02494 8-K 1 form8k04232008.htm FORM 8-K 4/23/2008 EX-99 2 pressrelease99-1.htm PRESS RELEASE