WESTLAKE CORP - Director's Dealing 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2014-02-26

Reporting Person: Buesinger Robert F. (Sr. Vice President, Vinyls)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-26	Common Stock	M	1439	$60.105	Acquired	5275	Direct
2014-02-26	Common Stock	M	922	$45.83	Acquired	6197	Direct
2014-02-26	Common Stock	S	2361	$132.954	Disposed	3836	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-26	Employee Option (right to buy)	$60.105	M	1439	Disposed	2022-02-17	Common Stock (1439)	Direct
2014-02-26	Employee Option (right to buy)	$45.83	M	922	Disposed	2021-02-18	Common Stock (922)	Direct

F1: The stock options are exercisable in three installments of 33%, 33% and 34% on February 17, 2013, 2014 and 2015, respectively.

F2: The stock options are exercisable in three installments of 33%, 33% and 34% on February 18, 2012, 2013 and 2014, respectively.