WESTLAKE CORP — Director's Dealing 2019

Feb 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2019-02-18

Reporting Person: Bender Mark Steven (EVP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-18	Common Stock	M	6566	—	Acquired	22376	Direct
2019-02-19	Common Stock	F	1610	$73.29	Disposed	20766	Direct
2019-02-19	Common Stock	F	152	$75.83	Disposed	20614	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-18	Restricted Stock Units	$	M	6566	Disposed		Common Stock (6566)	Direct

Footnotes

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

F2: On February 18, 2016, the reporting person was granted 6,566 restricted stock units vesting on the third anniversary of the grant date.