GILEAD SCIENCES, INC. — Director's Dealing 2013

Oct 3, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GILEAD SCIENCES INC (GILD)
CIK: 0000882095
Period of Report: 2013-10-01

Reporting Person: Alton Gregg H (EVP, Corp & Med Affairs)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-10-01	Common Stock	M	14742	$16.395	Acquired	61680	Direct
2013-10-01	Common Stock	M	11258	$19.085	Acquired	72938	Direct
2013-10-01	Common Stock	S	26000	$62.7514	Disposed	46938	Direct
2013-10-01	Common Stock	S	4000	$62.7531	Disposed	42938	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-10-01	Non-Qualified Stock Option (right to buy)	$16.395	M	14742	Disposed	2017-01-22	Common Stock (14742)	Direct
2013-10-01	Non-Qualified Stock Option (right to buy)	$19.085	M	11258	Disposed	2021-01-20	Common Stock (11258)	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: The options have a four year vesting schedule. 25% of the options will vest on the first anniversary date of the grant. The balance will vest 6.25% quarterly thereafter until fully vested.

F4: Sale prices reported for the transactions reported here range from $62.33 to $63.22. 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.

F5: Sale prices reported for the transactions reported here range from $62.43 to $63.16. 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.