Gilead Sciences, Inc. (Gilead), is a research-based biopharmaceutical company that discovers, develops and commercializes innovative medicines. The Company’s primary areas of focus include human immunodeficiency virus (HIV), liver diseases such as chronic hepatitis C virus (HCV) infection and chronic hepatitis B virus (HBV) infection, oncology and inflammation, and serious cardiovascular and respiratory conditions. The Company’s HIV products include Stribild, Complera/Eviplera, Atripla, Truvada, Viread, Emtriva, Tybost and Vitekta. Its Liver Diseases products include Harvoni, Sovaldi, Viread and Hepsera. Zydelig is the Company’s oncology product. Its Cardiovascular products include Letairis, Ranexa and Lexiscan/Rapiscan. Its Respiratory products include Cayston and Tamiflu. Its other products include AmBisome and Macugen.