WESTLAKE CORP — Director's Dealing 2020

Feb 19, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2020-02-17

Reporting Person: Mangieri George J (VP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-02-17	Common Stock	M	1156	—	Acquired	5045	Direct
2020-02-18	Common Stock	F	350	$60.50	Disposed	4695	Direct
2020-02-18	Common Stock	F	24	$61.509	Disposed	4671	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-02-17	Restricted Stock Units	$	M	1156	Disposed		Common Stock (1156)	Direct

Footnotes

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

F2: On February 17, 2017, the reporting person was granted 1,156 restricted stock units vesting on the third anniversary of the grant date.