EXELIXIS INC

Ticker: EXEL CUSIP: 30161Q104 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2019

Shares 344,948 Value ($000) $8,210 Avg Close $22.80 Range $19.13 - $25.31

Q2 2017

Shares 478,756 Value ($000) $11,792 Avg Close $21.16 Range $18.03 - $25.22

Q1 2017

Shares 540,570 Value ($000) $11,714 Avg Close $20.34 Range $14.22 - $23.49

Q4 2016

Shares 934,015 Value ($000) $13,926 Avg Close $14.43 Range $10.04 - $18.29

Q3 2016

Shares 1,106,675 Value ($000) $14,154 Avg Close $10.81 Range $7.81 - $15.58

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	344,948	$8,210	$22.80	$19.13 - $25.31
Q2 2017	478,756	$11,792	$21.16	$18.03 - $25.22
Q1 2017	540,570	$11,714	$20.34	$14.22 - $23.49
Q4 2016	934,015	$13,926	$14.43	$10.04 - $18.29
Q3 2016	1,106,675	$14,154	$10.81	$7.81 - $15.58