WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

WHITTIER TRUST CO OF NEVADA INC's Holding History (CIK: 0001263548)

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

Q2 2025

Shares 4 Value ($000) $0 Avg Close $80.28 Range $67.52 - $99.92

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	4	$0	$80.28	$67.52 - $99.92