WESTLAKE CORP — Director's Dealing 2021

Feb 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2021-02-14

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-14	Common Stock	M	1128	—	Acquired	11697	Direct
2021-02-16	Common Stock	F	322	$85.73	Disposed	11375	Direct
2021-02-16	Common Stock	F	4	$87.432	Disposed	11371	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-14	Restricted Stock Units	$	M	1128	Disposed		Common Stock (1128)	Direct

Footnotes

F1: Restricted stock units convert into Issuer's shares of common stock on a one-for-one basis.

F2: On February 14, 2020, the reporting person was granted 1,128 shares of restricted stock units vesting on the first anniversary date of the grant date.