WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q1 2018

Shares 2,300 Value ($000) $256 Avg Close $98.39 Range $86.89 - $107.41

Q3 2014

Shares 2,700 Value ($000) $234 Avg Close $76.69 Range $70.51 - $83.52

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	2,300	$256	$98.39	$86.89 - $107.41
Q3 2014	2,700	$234	$76.69	$70.51 - $83.52