WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

SIERRA OCEAN, LLC's Holding History (CIK: 0002051715)

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

Q1 2025

Shares 24 Value ($000) $2 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 31 Value ($000) $4 Avg Close $126.38 Range $109.67 - $146.31

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	24	$2	$108.01	$95.27 - $116.71
Q4 2024	31	$4	$126.38	$109.67 - $146.31