WESTLAKE CORP — Director's Dealing 2022

May 23, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CORP (WLK)
CIK: 0001262823
Period of Report: 2022-05-19

Reporting Person: Chao Albert (Director, President & CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-05-19	Common Stock	M	37876	$45.6975	Acquired	510859	Direct
2022-05-19	Common Stock	S	12016	$131.1127	Disposed	498843	Direct
2022-05-19	Common Stock	S	20815	$130.1955	Disposed	478028	Direct
2022-05-19	Common Stock	S	5045	$129.378	Disposed	472983	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-05-19	Employee Option (right to buy)	$45.6975	M	37876	Disposed	2023-02-15	Common Stock (37876)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	93405554	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $130.69 to $131.64, inclusive. The reporting person undertakes to provide to Westlake Corporation, any security holder of Westlake Chemical Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $129.557 to $130.53, inclusive. The reporting person undertakes to provide to Westlake Corporation, any security holder of Westlake Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $129.275 to $129.5, inclusive. The reporting person undertakes to provide to Westlake Corporation, any security holder of Westlake Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4: 93,405,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership, and TTWF GP LLC, a Delaware limited liability company and the general partner of TTWF LP. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the shares beneficially owned by TTWF LP and TTWFGP LLC. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

F5: The stock options are excercisable in three equal installments on February 15, 2014, 2015 and 2016.