GILEAD SCIENCES, INC. — Director's Dealing 2015

May 19, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GILEAD SCIENCES INC (GILD)
CIK: 0000882095
Period of Report: 2015-05-15

Reporting Person: BISCHOFBERGER NORBERT W (EVP, R&D and CSO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-15	Common Stock	M	20000	$20.74	Acquired	185168	Direct
2015-05-15	Common Stock	M	50000	$21.575	Acquired	235168	Direct
2015-05-15	Common Stock	S	26038	$109.1205	Disposed	209130	Direct
2015-05-15	Common Stock	S	43962	$109.6459	Disposed	165168	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-15	Non-Qualified Stock Option (right to buy)	$20.74	M	20000	Disposed	2017-05-08	Common Stock (20000)	Direct
2015-05-15	Non-Qualified Stock Option (right to buy)	$21.575	M	50000	Disposed	2018-01-30	Common Stock (50000)	Direct

Footnotes

F1: The exercise and sale transactions reported in this Form 4 are made pursuant to a Rule 10b5-1 trading plan.

F2: The options have a five year vesting schedule. 20% vest on the first anniversary of the date of grant. The balance will vest 5% quarterly thereafter until fully vested.

F3: Sale prices reported for the transactions reported here range from $108.33 to $109.32. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer or its shareowners upon request.

F4: Sale prices reported for the transactions reported here range from $109.33 to $110.24. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer or its shareowners upon request