WESTLAKE CORP — Director's Dealing 2020

May 1, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2020-04-30

Reporting Person: Kearns Roger L. (EVP, Vinyls Chemicals)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-30	Common Stock	M	9224	—	Acquired	23448	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-04-30	Restricted Stock Units	$	M	9224	Disposed		Common Stock (9224)	Direct

Footnotes

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

F2: On April 30, 2018, the reporting person was granted 18,448 restricted stock units vesting in two equal installments on the first and second anniversary of the grant date.