WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.'s Holding History (CIK: 0001367401)

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

Q4 2025

Shares 235,919 Value ($000) $17,444 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 196,043 Value ($000) $15,107 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 182,899 Value ($000) $13,888 Avg Close $80.28 Range $67.52 - $99.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	235,919	$17,444	$70.79	$55.84 - $82.75
Q3 2025	196,043	$15,107	$82.33	$73.94 - $91.41
Q2 2025	182,899	$13,888	$80.28	$67.52 - $99.92