0000950135-09-001114 8-K 2 20090224 2.02 9.01 20090224 20090224 IPG PHOTONICS CORP 0001111928 3674 043444218 DE 8-K 34 001-33155 09629487 50 OLD WEBSTER ROAD OXFORD MA 01540 5083731100 50 OLD WEBSTER ROAD OXFORD MA 01540 8-K 1 b74377ipe8vk.htm IPG PHOTONICS CORPORATION EX-99.1 2 b74377ipexv99w1.htm EX-99.1 PRESS RELEASE DATED FEBRUARY 24, 2009