California Location (Headquarters): 30831 Huntwood Avenue Hayward, CA 94544 Phone: (510) 476-2000 Fax: (510) 471-3200

Pennsylvania Location: 3735 Castor Avenue Philadelphia, PA 19124 Phone: (215) 289-2220 Fax: (215) 807-0230

E-mail contacts for: General Information .................info@impaxlabs.com Investor Information .................invest@impaxlabs.com Customer Service .....................cs@impaxlabs.com Human Resources: California ......................hrhayward@impaxlabs.com Pennsylvania ................hrphiladelphia@impaxlabs.com Product Information ..................products@impaxlabs.com Website Information .................website@impaxlabs.com

Oxycodone Information Line: (800) 934-6729
or visit our online training for patients and health care professionals.