Thomas J. Janssens - Feb 17, 2023 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role: SVP, Ops - PEM & Corp Logistic
Signature: Thomas J. Janssens by J. Feng POA
Stock symbol: WLK
Transactions as of: Feb 17, 2023
Transactions value $: $0
Form type: 4
Date filed: 2/21/2023, 08:10 AM
Previous filing: Feb 16, 2023
Next filing: May 16, 2023
SEC: View on sec.gov

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	Employee Option (right to buy)	Award	$0	+3.83K		$0.00	3.83K	Feb 17, 2023	Common Stock	3.83K	$122.65	Direct	F1
transaction	WLK	Restricted Stock Units	Award	$0	+1.4K		$0.00	1.4K	Feb 17, 2023	Common Stock	1.4K		Direct	F2, F3

Showing 1 to 2 of 2 entries

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

Explanation of Responses:

Id	Content
F1	The stock options are excercisable in three installments of 33%, 33% and 34% on February 17, 2024, 2025 and 2026, respectively.
F2	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F3	All of the restricted stock units will vest on February 17, 2026.