WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q4 2015

Shares 5,751 Value ($000) $312 Avg Close $49.75 Range $44.01 - $54.52

Q2 2014

Shares 7,278 Value ($000) $610 Avg Close $63.36 Range $52.18 - $72.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	5,751	$312	$49.75	$44.01 - $54.52
Q2 2014	7,278	$610	$63.36	$52.18 - $72.01