AMENDMENT TO PREFERRED STOCK RIGHTS AGREEMENT BETWEEN PAIN THERAPEUTICS, INC. AND MELLON INVESTOR SERVICES LLCPreferred Stock Rights Agreement • September 27th, 2006 • Pain Therapeutics Inc • Pharmaceutical preparations • Delaware
THIS AMENDMENT TO PREFERRED STOCK RIGHTS AGREEMENT (the “Amendment”) is made this 27th day of September 2006, by and between PAIN THERAPEUTICS, INC., a Delaware corporation (the “Company”), and MELLON INVESTOR SERVICES LLC (the “Rights Agent”) to amend the Preferred Stock Rights Agreement, dated April 28, 2005, by and between the Company and the Rights Agent (the “Rights Agreement”).
