WESTLAKE CORP - Director's Dealing 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2012-08-09

Reporting Person: Taylor Jeffrey L (Sr VP, Polyethylene)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-09	Common Stock	M	2922	$20.525	Acquired	20068	Direct
2012-08-09	Common Stock	M	2107	$27.22	Acquired	22175	Direct
2012-08-09	Common Stock	M	3058	$31.61	Acquired	25233	Direct
2012-08-09	Common Stock	M	1128	$3610	Acquired	26361	Direct
2012-08-09	Common Stock	S	1449	$66.9701	Disposed	24912	Direct
2012-08-09	Common Stock	S	500	$66.99	Disposed	24412	Direct
2012-08-09	Common Stock	S	930	$67.00	Disposed	23482	Direct
2012-08-09	Common Stock	S	345	$67.02	Disposed	23137	Direct
2012-08-09	Common Stock	S	100	$67.05	Disposed	23037	Direct
2012-08-09	Common Stock	S	349	$67.06	Disposed	22688	Direct
2012-08-09	Common Stock	S	679	$67.07	Disposed	22009	Direct
2012-08-09	Common Stock	S	400	$67.08	Disposed	21609	Direct
2012-08-09	Common Stock	S	431	$67.1	Disposed	21178	Direct
2012-08-09	Common Stock	S	715	$67.12	Disposed	20463	Direct
2012-08-09	Common Stock	S	301	$67.13	Disposed	20162	Direct
2012-08-09	Common Stock	S	661	$67.14	Disposed	19501	Direct
2012-08-09	Common Stock	S	1145	$67.15	Disposed	18356	Direct
2012-08-09	Common Stock	S	100	$67.152	Disposed	18256	Direct
2012-08-09	Common Stock	S	1500	$67.1599	Disposed	16756	Direct
2012-08-09	Common Stock	S	415	$67.18	Disposed	16341	Direct
2012-08-09	Common Stock	S	200	$67.19	Disposed	16141	Direct
2012-08-09	Common Stock	S	1500	$67.20	Disposed	14641	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-09	Employee Options (right to buy)	$20.525	M	2922	Acquired	2020-02-26	Common Stock (2922)	Direct
2012-08-09	Employee Option (right to buy)	$27.22	M	2107	Acquired	2015-08-31	Common Stock (2107)	Direct
2012-08-09	Employee Options (right to buy)	$31.61	M	3058	Acquired	2017-02-23	Common Stock (3058)	Direct
2012-08-09	Employee Options (right to buy)	$36.10	M	1128	Acquired	2016-03-15	Common Stock (1128)	Direct