WESTLAKE CORP — Director's Dealing 2013

Nov 13, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2013-11-11

Reporting Person: LUKENS MAX L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-11	Common Stock	M	888	$24.51	Acquired	8787	Direct
2013-11-11	Common Stock	S	188	$113.371	Disposed	8599	Direct
2013-11-11	Common Stock	S	700	$113.392	Disposed	7899	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-11	Employee Option (right to buy)	$24.51	M	888	Disposed	2019-08-20	Common Stock (888)	Direct