WESTLAKE CORP — Director's Dealing 2019

Feb 19, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2019-02-15

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-15	Employee Option (right to buy)	$79.83	A	4218	Acquired	2029-02-15	Common Stock (4218)	Direct
2019-02-15	Restricted Stock Units	$	A	1111	Acquired		Common Stock (1111)	Direct

Footnotes

F1: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively.

F2: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3: All of the restricted stock units will vest on February 15, 2022.