WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 6,500 Value ($000) $481 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 16,200 Value ($000) $1,248 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 14,060 Value ($000) $1,068 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 4,235 Value ($000) $424 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 8,801 Value ($000) $1,009 Avg Close $126.38 Range $109.67 - $146.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,500	$481	$70.79	$55.84 - $82.75
Q3 2025	16,200	$1,248	$82.33	$73.94 - $91.41
Q2 2025	14,060	$1,068	$80.28	$67.52 - $99.92
Q1 2025	4,235	$424	$108.01	$95.27 - $116.71
Q4 2024	8,801	$1,009	$126.38	$109.67 - $146.31