WESTLAKE CORP — Director's Dealing 2010

Feb 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2010-02-24

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-24	Common Stock	F	570	$20.39	Disposed	23752	Direct
2010-02-24	Common Stock	F	1	$20.21	Disposed	23751	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	200	Indirect