WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q3 2016

Shares 10,261 Value ($000) $549 Avg Close $41.92 Range $34.93 - $47.03

Q2 2016

Shares 10,261 Value ($000) $440 Avg Close $39.55 Range $34.26 - $45.64

Q1 2016

Shares 10,261 Value ($000) $475 Avg Close $39.11 Range $34.33 - $46.52

Q4 2015

Shares 10,261 Value ($000) $557 Avg Close $49.75 Range $44.01 - $54.52

Q3 2015

Shares 10,000 Value ($000) $519 Avg Close $49.96 Range $42.26 - $59.13

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	10,261	$549	$41.92	$34.93 - $47.03
Q2 2016	10,261	$440	$39.55	$34.26 - $45.64
Q1 2016	10,261	$475	$39.11	$34.33 - $46.52
Q4 2015	10,261	$557	$49.75	$44.01 - $54.52
Q3 2015	10,000	$519	$49.96	$42.26 - $59.13