WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

LMR Partners LLP's Holding History (CIK: 0001578621)

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

Q3 2025

Shares 3,861 Value ($000) $298 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 3,861 Value ($000) $293 Avg Close $80.28 Range $67.52 - $99.92

Q3 2024

Shares 1,498 Value ($000) $225 Avg Close $139.25 Range $125.61 - $148.72

Q1 2023

Shares 12,629 Value ($000) $1,465 Avg Close $109.37 Range $92.83 - $119.59

Q2 2020

Shares 19,386 Value ($000) $1,040 Avg Close $42.05 Range $30.99 - $55.36

Q2 2016

Shares 27,955 Value ($000) $1,200 Avg Close $39.55 Range $34.26 - $45.64

Q1 2014

Shares 119,255 Value ($000) $7,892 Avg Close $53.68 Range $48.11 - $58.70

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,861	$298	$82.33	$73.94 - $91.41
Q2 2025	3,861	$293	$80.28	$67.52 - $99.92
Q3 2024	1,498	$225	$139.25	$125.61 - $148.72
Q1 2023	12,629	$1,465	$109.37	$92.83 - $119.59
Q2 2020	19,386	$1,040	$42.05	$30.99 - $55.36
Q2 2016	27,955	$1,200	$39.55	$34.26 - $45.64
Q1 2014	119,255	$7,892	$53.68	$48.11 - $58.70