0001193125-05-093890 Sample Contracts

PAIN THERAPEUTICS, INC. and MELLON INVESTOR SERVICES LLC PREFERRED STOCK RIGHTS AGREEMENT Dated as of April 28, 2005

Preferred Stock Rights Agreement • May 3rd, 2005 • Pain Therapeutics Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Preferred Stock Rights Agreement
• Filed
  May 3rd, 2005
• Company
  Pain Therapeutics Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This Preferred Stock Rights Agreement (the “Agreement”) is dated as of April 28, 2005, between Pain Therapeutics, Inc., a Delaware corporation, (the “Company”), and Mellon Investor Services LLC (the “Rights Agent”).