WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Caprock Group, LLC's Holding History (CIK: 0001610769)

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

Q1 2025

Shares 6,551 Value ($000) $655 Avg Close $108.01 Range $95.27 - $116.71

Q2 2018

Shares 2,231 Value ($000) $240 Avg Close $99.34 Range $90.39 - $110.06

Q1 2018

Shares 2,231 Value ($000) $248 Avg Close $98.39 Range $86.89 - $107.41

Q4 2017

Shares 2,231 Value ($000) $254 Avg Close $81.78 Range $72.56 - $95.02

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	6,551	$655	$108.01	$95.27 - $116.71
Q2 2018	2,231	$240	$99.34	$90.39 - $110.06
Q1 2018	2,231	$248	$98.39	$86.89 - $107.41
Q4 2017	2,231	$254	$81.78	$72.56 - $95.02