1 FIRST AMENDMENT TO RIGHTS AGREEMENT This Amendment dated as of July 31, 1999 ("Amendment") to the Preferred Shares Rights Agreement ("Agreement"), dated as of May 6, 1999, is between Collagen Aesthetics, Inc., a Delaware corporation (the "COMPANY"),...Rights Agreement • August 6th, 1999 • Collagen Aesthetics Inc • Orthopedic, prosthetic & surgical appliances & supplies • Delaware
