WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2016

Shares 59,900 Value ($000) $2,773 Avg Close $39.11 Range $34.33 - $46.52

Q3 2014

Shares 9,300 Value ($000) $805 Avg Close $76.69 Range $70.51 - $83.52

Q2 2014

Shares 9,300 Value ($000) $778 Avg Close $63.36 Range $52.18 - $72.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	59,900	$2,773	$39.11	$34.33 - $46.52
Q3 2014	9,300	$805	$76.69	$70.51 - $83.52
Q2 2014	9,300	$778	$63.36	$52.18 - $72.01