WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Y-Intercept (Hong Kong) Ltd's Holding History (CIK: 0001772875)

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

Q2 2025

Shares 32,522 Value ($000) $2,469 Avg Close $80.28 Range $67.52 - $99.92

Q4 2022

Shares 7,012 Value ($000) $719 Avg Close $95.20 Range $80.55 - $107.11

Q1 2022

Shares 2,335 Value ($000) $288 Avg Close $102.15 Range $87.54 - $119.36

Q2 2021

Shares 5,471 Value ($000) $493 Avg Close $90.14 Range $80.84 - $98.96

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	32,522	$2,469	$80.28	$67.52 - $99.92
Q4 2022	7,012	$719	$95.20	$80.55 - $107.11
Q1 2022	2,335	$288	$102.15	$87.54 - $119.36
Q2 2021	5,471	$493	$90.14	$80.84 - $98.96