WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Aventail Capital Group, LP's Holding History (CIK: 0001803822)

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

Q4 2025

Shares 27,764 Value ($000) $2,053 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 78,340 Value ($000) $6,037 Avg Close $82.33 Range $73.94 - $91.41

Q1 2023

Shares 10,000 Value ($000) $1,160 Avg Close $109.37 Range $92.83 - $119.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,764	$2,053	$70.79	$55.84 - $82.75
Q3 2025	78,340	$6,037	$82.33	$73.94 - $91.41
Q1 2023	10,000	$1,160	$109.37	$92.83 - $119.59