EXHIBIT 2 [Amendment No. 1 to Rights Agreement] AMENDMENT NO.1 TO RIGHTS AGREEMENT THIS AMENDMENT NO.1 TO RIGHTS AGREEMENT, dated as of March 25, 1999 (the "Amendment"), is made and entered into between Osteotech, Inc., a Delaware corporation (the "...Rights Agreement • July 13th, 1999 • Osteotech Inc • Services-misc health & allied services, nec
