WESTLAKE CORP — Director's Dealing 2019

Dec 3, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2019-12-01

Reporting Person: Mangieri George J (SVP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-12-01	Common Stock	M	3330	—	Acquired	4912	Direct
2019-12-03	Common Stock	F	1023	$67.0075	Disposed	3889	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-12-01	Restricted Stock Units	$	M	3330	Disposed		Common Stock (3330)	Direct

Footnotes

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

F2: On December 1, 2016, the reporting person was granted 3,330 restricted stock units vesting on the third anniversary of the grant date.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $67.01 to $66.83, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. 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.