WESTLAKE CORP — Director's Dealing 2014

Feb 19, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2014-02-14

Reporting Person: Chao Albert (Director, President & CEO, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-14	Employee Option (right to buy)	$127.955	A	19994	Acquired	2024-02-14	Common Stock (19994)	Direct
2014-02-14	Restricted Stock Units	$	A	6419	Acquired		Common Stock (6419)	Direct

Footnotes

F1: The stock options are exercisable in three installments of 33%, 33%, and 34% on February 14, 2015, 2016 and 2017, respectively.

F2: Each restricted stock unit represents a contingent right to receive one share of Westlake Chemical Corporation common stock.

F3: The restricted stock units will vest three years from the date of grant (February 14, 2017).