WESTLAKE CORP — Director's Dealing 2012

Feb 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2012-02-17

Reporting Person: Wallace Stephen (VP, General Counsel, Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-17	Common Stock	A	1473	$00	Acquired	27165	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-17	Employee Option (right to buy)	$60.105	A	3785	Acquired	2022-02-17	Common Stock (3785)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	200	Indirect

Footnotes

F1: The shares of restricted stock will vest on February 17, 2015.

F2: The stock options are exercisable in three equal installments on February 17, 2013, 2014 and 2015.