EXELIXIS INC

Ticker: EXEL CUSIP: 30161Q104 Class: EQTY

Atika Capital Management LLC's Holding History (CIK: 0001599731)

Note: Option positions (PUT/CALL) are excluded.

Q3 2017

Shares 50,000 Value ($000) $1,211 Avg Close $26.62 Range $23.18 - $29.50

Q2 2017

Shares 65,000 Value ($000) $1,601 Avg Close $21.16 Range $18.03 - $25.22

Q1 2017

Shares 75,000 Value ($000) $1,625 Avg Close $20.34 Range $14.22 - $23.49

Q4 2016

Shares 80,000 Value ($000) $1,193 Avg Close $14.43 Range $10.04 - $18.29

Q3 2016

Shares 55,000 Value ($000) $704 Avg Close $10.81 Range $7.81 - $15.58

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	50,000	$1,211	$26.62	$23.18 - $29.50
Q2 2017	65,000	$1,601	$21.16	$18.03 - $25.22
Q1 2017	75,000	$1,625	$20.34	$14.22 - $23.49
Q4 2016	80,000	$1,193	$14.43	$10.04 - $18.29
Q3 2016	55,000	$704	$10.81	$7.81 - $15.58