X0303 4 2011-05-11 0 0000882095 GILEAD SCIENCES INC GILD 0001194913 HILLS CARLA A HILLS & COMPANY 1120 20TH STREET, NW 2ND FL NORTH WASHINGTON DC 20036 1 0 0 0 Common Stock 2011-05-11 4 M 0 3820 A 9968 D Non-Qualified Stock Options (right to buy) 41.29 2011-05-12 4 A 0 10141 0 A 2021-05-12 Common Stock 10141 10141 D Restricted Stock Units 2011-05-12 4 A 0 3632 A Common Stock 3632 3632 D Restricted Stock Units 2011-05-11 4 M 0 3820 D Common Stock 3820 0 D Options vest quarterly over the first year of service and will be fully vested on May 12, 2012. Each restricted stock unit represents the contingent right to receive one share of Gilead Sciences, Inc.'s common stock. 100% of the restricted stock units will vest on May 12, 2012, at the end of the first year of service. 100% of the restricted stock units vested on May 11, 2011, at the end of the first year of service. /s/ Kristen Metza by Power of Attorney for Carla A. Hills 2011-05-13