WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Castle Hook Partners LP's Holding History (CIK: 0001687241)

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

Q2 2017

Shares 82,510 Value ($000) $5,463 Avg Close $55.73 Range $52.23 - $59.49

Q1 2017

Shares 341,529 Value ($000) $22,558 Avg Close $55.38 Range $49.25 - $59.68

Q4 2016

Shares 233,192 Value ($000) $13,056 Avg Close $47.64 Range $42.61 - $53.78

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	82,510	$5,463	$55.73	$52.23 - $59.49
Q1 2017	341,529	$22,558	$55.38	$49.25 - $59.68
Q4 2016	233,192	$13,056	$47.64	$42.61 - $53.78