WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q3 2019

Shares 15,800 Value ($000) $1,035 Avg Close $57.99 Range $50.43 - $64.27

Q2 2019

Shares 447,800 Value ($000) $31,104 Avg Close $59.69 Range $51.40 - $69.93

Q1 2019

Shares 608,000 Value ($000) $41,259 Avg Close $64.77 Range $57.75 - $72.34

Q4 2018

Shares 647,500 Value ($000) $42,845 Avg Close $64.35 Range $53.36 - $76.44

Q3 2018

Shares 669,950 Value ($000) $55,680 Avg Close $86.83 Range $72.82 - $100.10

Q2 2018

Shares 672,150 Value ($000) $72,344 Avg Close $99.34 Range $90.39 - $110.06

Q1 2018

Shares 577,350 Value ($000) $64,172 Avg Close $98.39 Range $86.89 - $107.41

Q2 2013

Shares 35,300 Value ($000) $3,403 Avg Close $37.72 Range $32.17 - $41.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	15,800	$1,035	$57.99	$50.43 - $64.27
Q2 2019	447,800	$31,104	$59.69	$51.40 - $69.93
Q1 2019	608,000	$41,259	$64.77	$57.75 - $72.34
Q4 2018	647,500	$42,845	$64.35	$53.36 - $76.44
Q3 2018	669,950	$55,680	$86.83	$72.82 - $100.10
Q2 2018	672,150	$72,344	$99.34	$90.39 - $110.06
Q1 2018	577,350	$64,172	$98.39	$86.89 - $107.41
Q2 2013	35,300	$3,403	$37.72	$32.17 - $41.82