WESTLAKE CORP — Director's Dealing 2017

Mar 13, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2017-03-10

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-03-10	Common Stock	S	12000	$64.3154	Disposed	58243	Direct

Footnotes

F1: In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on March 10, 2017 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $63.78 to $64.59, inclusive. The reporting person undertakes to provide to Westlake Chemical Corporation, any security holder of Westlake Chemical Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.