WESTLAKE CORP — Director's Dealing 2015

Oct 1, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2015-09-30

Reporting Person: Ederington L. Benjamin (VP, General Counsel, Corp Secy)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-09-30	Common Stock	M	1914	—	Acquired	1914	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-09-30	Restricted Stock Units	$	M	1914	Disposed		Common Stock (1914)	Direct

Footnotes

F1: Restricted stock units convert into Issuer's common stock on a one-for-one basis.

F2: On September 30, 2013, the reporting person was granted 1,914 restricted stock units vesting on the second anniversary of the grant date.