WESTLAKE CORP — Director's Dealing 2020

Nov 25, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2020-11-24

Reporting Person: Buesinger Robert F. (EVP, Vinyl Products)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-24	Common Stock	M	4581	$44.420	Acquired	15150	Direct
2020-11-24	Common Stock	S	4581	$77.50	Disposed	10569	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-24	Employee Option (right to buy)	$44.420	M	4581	Disposed	2026-02-18	Common Stock (4581)	Direct

Footnotes

F1: The stock options were excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019, respectively.