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: 2012-11-29

Reporting Person: BARNETT E WILLIAM (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-29	Common Stock	M	1345	$30.07	Acquired	11904	Direct
2012-11-29	Common Stock	M	2661	$24.51	Acquired	14565	Direct
2012-11-29	Common Stock	M	3826	$21.00	Acquired	18391	Direct
2012-11-30	Common Stock	M	1920	$27.125	Acquired	20311	Direct
2012-11-29	Common Stock	S	4972	$72.4	Disposed	15339	Direct
2012-11-29	Common Stock	S	200	$72.41	Disposed	15139	Direct
2012-11-29	Common Stock	S	600	$72.42	Disposed	14539	Direct
2012-11-29	Common Stock	S	200	$72.49	Disposed	14339	Direct
2012-11-29	Common Stock	S	400	$72.52	Disposed	13939	Direct
2012-11-29	Common Stock	S	400	$72.53	Disposed	13539	Direct
2012-11-29	Common Stock	S	200	$72.58	Disposed	13339	Direct
2012-11-29	Common Stock	S	200	$72.61	Disposed	13139	Direct
2012-11-29	Common Stock	S	400	$72.62	Disposed	12739	Direct
2012-11-29	Common Stock	S	100	$72.63	Disposed	12639	Direct
2012-11-29	Common Stock	S	100	$72.64	Disposed	12539	Direct
2012-11-29	Common Stock	S	100	$72.65	Disposed	12439	Direct
2012-11-29	Common Stock	S	200	$72.66	Disposed	12239	Direct
2012-11-29	Common Stock	S	400	$72.67	Disposed	11839	Direct
2012-11-29	Common Stock	S	380	$72.7	Disposed	11459	Direct
2012-11-29	Common Stock	S	100	$72.702	Disposed	11359	Direct
2012-11-29	Common Stock	S	100	$72.705	Disposed	11259	Direct
2012-11-29	Common Stock	S	400	$72.71	Disposed	10859	Direct
2012-11-29	Common Stock	S	100	$72.72	Disposed	10759	Direct
2012-11-29	Common Stock	S	100	$72.7225	Disposed	10659	Direct
2012-11-29	Common Stock	S	100	$72.74	Disposed	10559	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-29	Employee Option (right to buy)	$30.07	M	1345	Acquired	2016-08-21	Common Stock (1345)	Direct
2012-11-29	Employee Option (right to buy)	$24.51	M	2661	Acquired	2019-08-20	Common Stock (2661)	Direct
2012-11-29	Employee Option (right to buy)	$21.00	M	3826	Acquired	2018-08-15	Common Stock (3826)	Direct
2012-11-29	Employee Option (right to buy)	$27.125	M	1920	Acquired	2017-08-17	Common Stock (1920)	Direct