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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1262823	Westlake Corp	WLK	Industrial Organic Chemicals (2860)	760346924

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1739128	L. Roger Kearns	2801 Post Oak Boulevard, Suite 600 Houston TX 77056	Coo And Evp - Pem	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2022-05-17	8,388	$79.83	34,777	No	4	M	Direct
Common Stock	Disposition	2022-05-17	8,388	$136.24	26,389	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Option (right to buy)	Disposition	2022-05-17	8,388	$0.00	8,388	$79.83

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2029-02-15	No	4	M	Direct

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $135.96 to $136.725, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake Corp. 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.
The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.