X0203 3 2009-03-20 1 0000874734 OSTEOTECH INC OSTE 0000905239 NASGOVITZ WILLIAM J 789 NORTH WATER STREET SUITE 500 MILWAUKEE WI 53202 0 0 1 0 0000937394 HEARTLAND ADVISORS INC 789 NORTH WATER STREET SUITE 500 MILWAUKEE WI 53202 0 0 1 0 William J. Nasgovitz by Paul T. Beste (pursuant to Power of Attorney filed herewith) 2009-03-24 Heartland Advisors, Inc. by Paul T. Beste, Chief Operating Officer 2009-03-24