WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

HORIZON KINETICS ASSET MANAGEMENT LLC's Holding History (CIK: 0001056823)

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

Q4 2019

Shares 4,060 Value ($000) $285 Avg Close $60.78 Range $52.18 - $68.35

Q3 2019

Shares 4,838 Value ($000) $317 Avg Close $57.99 Range $50.43 - $64.27

Q2 2019

Shares 4,936 Value ($000) $343 Avg Close $59.69 Range $51.40 - $69.93

Q1 2019

Shares 4,959 Value ($000) $337 Avg Close $64.77 Range $57.75 - $72.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	4,060	$285	$60.78	$52.18 - $68.35
Q3 2019	4,838	$317	$57.99	$50.43 - $64.27
Q2 2019	4,936	$343	$59.69	$51.40 - $69.93
Q1 2019	4,959	$337	$64.77	$57.75 - $72.34