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: Mangieri George J (SVP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-18	Common Stock	M	1441	—	Acquired	3601	Direct
2019-02-19	Common Stock	F	399	$73.29	Disposed	3202	Direct
2019-02-19	Common Stock	F	37	$75.57	Disposed	3165	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-18	Restricted Stock Units	$	M	1441	Disposed		Common Stock (1441)	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 1,441 restricted stock units vesting on the third anniversary of the grant date.