EXELIXIS, INC. — Director's Dealing 2017

May 27, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXELIXIS, INC. (EXEL)
CIK: 0000939767
Period of Report: 2017-05-25

Reporting Person: POSTE GEORGE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-25	Common Stock	A	5843	—	Acquired	83398	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-25	Option (right to buy)	$19.57	A	11686	Acquired	2024-05-24	Common Stock (11686.0)	Direct

Footnotes

F1: Represents shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.

F2: The restricted stock units were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The restricted stock units will vest as to 100% of the sharessubject to the restricted stock unit award on May 25, 2018, subject to the Reporting Person's continuous service through such date.

F3: Includes 5.843 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.

F4: Option granted pursuant to the Exelixis, Inc. 2017 Equity Incentive Plan. The option is exercisable immediately, subject to repurchase provisions, and will vest as to 1/12th of the shares subject to the option each month following the date of grant, subject to the Reporting Person's continuous service through such dates.