0000950135-09-001664 10-K 9 20081231 20090312 20090311 IPG PHOTONICS CORP 0001111928 3674 043444218 DE 10-K 34 001-33155 09673724 50 OLD WEBSTER ROAD OXFORD MA 01540 5083731100 50 OLD WEBSTER ROAD OXFORD MA 01540 10-K 1 b73458ipe10vk.htm IPG PHOTONICS CORPORATION EX-10.26 2 b73458ipexv10w26.htm EX-10.26 AMENDMENT 1 TO CREDIT FACILITY EX-10.28 3 b73458ipexv10w28.htm EX-10.28 ANNEX 1 DATED MARCH 5, 2009 EX-21.1 4 b73458ipexv21w1.htm EX-21.1 LIST OF SUBSIDIARIES EX-23.1 5 b73458ipexv23w1.htm EX-23.1 CONSENT OF DELOITTE & TOUCHE LLP EX-31.1 6 b73458ipexv31w1.htm EX-31.1 SECTION 302 CERTIFICATION OF CEO EX-31.2 7 b73458ipexv31w2.htm EX-31.2 SECTION 302 CERTIFICATION OF CFO EX-32.1 8 b73458ipexv32w1.htm EX-32.1 SECTION 906 CERTIFICATION OF CEO AND CFO GRAPHIC 9 b73458ipb7345801.gif GRAPHIC