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WESTLAKE CORP Director's Dealing 2015

Feb 24, 2015

Director's Dealing

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Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2015-02-20

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

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-20	Employee Option (right to buy)	$68.09	A	3046	Acquired	2025-02-20	Common Stock (3046)	Direct
2015-02-20	Restricted Stock Units	$	A	913	Acquired		Common Stock (913)	Direct

F1: The stock options are exercisable in three installments of 33%, 33%, and 34% on February 20, 2016, 2017 and 2018, 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 20, 2018).