WESTLAKE CORP — Director's Dealing 2010

Jan 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2010-01-04

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-01-04	Common Stock	F	117	$25.17	Disposed	34077	Direct