Andrew Kenner - 15 Feb 2022 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role: SVP, Operations
Signature: Andrew Kenner by J. Feng POA
Issuer symbol: WLK
Transactions as of: 15 Feb 2022
Net transactions value: -$76,099
Form type: 4
Filing time: 17 Feb 2022, 11:09:44 UTC
Next filing: 22 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Options Exercise		+2,859	+21%		16,323	15 Feb 2022	Direct	F1
transaction	WLK	Common Stock	Tax liability	$75,781	-722	-4.4%	$104.96	15,601	16 Feb 2022	Direct	F2
transaction	WLK	Common Stock	Tax liability	$318	-3	-0.02%	$105.97	15,598	16 Feb 2022	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WLK	Restricted Stock Units	Options Exercise	$0	-2,859	-100%	$0.000000^*	0	15 Feb 2022	Common Stock	2,859		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units convert into Issuer's shares of common stock on a one-for-one basis.
F2	Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units.
F3	On February 15, 2019, the reporting person was granted 2,859 restricted stock units vesting on the third anniversary of the grant date.