WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q1 2015

Shares 3,420 Value ($000) $246 Avg Close $54.56 Range $46.07 - $62.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	3,420	$246	$54.56	$46.07 - $62.01