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: 2014-03-03

Reporting Person: Bender Mark Steven (Sr VP, CFO and Treasurer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-03-03	Common Stock	M	2364	$31.610	Acquired	23859	Direct
2014-03-03	Common Stock	M	15357	$31.610	Acquired	39216	Direct
2014-03-03	Common Stock	S	17721	$133.60	Disposed	21495	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-03-03	Employee Option (right to buy)	$31.610	M	2364	Disposed	2017-02-23	Common Stock (2364)	Direct
2014-03-03	Employee Option (right to buy)	$31.610	M	15357	Disposed	2017-02-23	Common Stock (15357)	Direct

F1: The stock options are exercisable in three installments of 33%, 33% and 34% on February 23, 2008, 2009 and 2010, respectively.

F2: The stock options are exercisable in two equal installments on February 23, 2012 and February 23, 2016.