WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

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

Q2 2022

Shares 15,948 Value ($000) $1,563 Avg Close $115.03 Range $86.41 - $132.48

Q1 2022

Shares 10,471 Value ($000) $1,292 Avg Close $102.15 Range $87.54 - $119.36

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	15,948	$1,563	$115.03	$86.41 - $132.48
Q1 2022	10,471	$1,292	$102.15	$87.54 - $119.36