WESTLAKE CORP — Director's Dealing 2018

Aug 22, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2018-08-21

Reporting Person: RILEY H JOHN JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-21	Common Stock	M	603	—	Acquired	25979	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-21	Restricted Stock Units	$	M	603	Acquired		Common Stock (603)	Direct

Footnotes

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

F2: On August 21, 2015 the reporting person was granted 1,809 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.