Amgen, Inc. One Amgen Center Drive Thousand Oaks, CA 91320-1799 800-772-6436 or 805-447-1000 Email: wwwext.amgen.com/contact-us Website: wwwext.amgen.com Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology. Amgen focuses on areas of high unmet medical need and leverages its biologics manufacturing expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. A biotechnology pioneer since 1980, Amgen has grown to be one of the world's leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential. For more information, visit wwwext.amgen.com and follow us on www.twitter.com/amgen.