X0306 4 2016-12-01 0000882095 GILEAD SCIENCES INC GILD 0001198227 WILSON GAYLE E GILEAD SCIENCES, INC. 333 LAKESIDE DRIVE FOSTER CITY CA 94404 1 Common Stock 2016-12-01 4 M 0 2147 0 A 107486 D Phantom Shares 0 2016-12-01 4 M 0 2149.6611 0 D Common Stock 2149.6611 0 D Each share of phantom stock is the economic equivalent of one share of Gilead common stock, except fractional shares are paid in cash. An aggregate of 2149.6611 shares were reported in Table II when reporting person acquired the phantom shares. The fractional share of 2.6611 was paid out in cash in connection with the conversion into shares of common stock. The shares of phantom stock are fully vested and, at the election of the reporting person, become payable in common stock at a later date identified by the reporting person. /s/ Marissa Song by Power of Attorney for Gayle E. Wilson 2016-12-05