Amended Statement of Changes in Beneficial Ownership (4/a)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* TTWFGP LLC	2. Issuer Name and Ticker or Trading Symbol WESTLAKE CHEMICAL CORP [ WLK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) 2801 POST OAK BOULEVARD, SUITE 600	3. Date of Earliest Transaction (MM/DD/YYYY) 3/13/2020
(Street) HOUSTON, TX 77056 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY) 3/16/2020	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	3/13/2020		P		160000	A	$32.94 ⁽¹⁾	160000 ⁽²⁾	D ⁽³⁾
Common Stock	3/16/2020		P		160000	A	$31.42 ⁽⁴⁾	320000 ⁽²⁾	D ⁽³⁾
Common Stock	3/17/2020		P		165000	A	$33.25 ⁽⁵⁾	485000 ⁽²⁾	D ⁽³⁾
Common Stock	3/18/2020		P		165000	A	$31.41 ⁽⁶⁾	650000 ⁽²⁾	D ⁽³⁾
Common Stock	3/19/2020		P		165000	A	$37.66 ⁽⁷⁾	815000 ⁽²⁾	D ⁽³⁾
Common Stock	3/24/2020		P		145000	A	$36.53 ⁽⁸⁾	960000 ⁽²⁾	D ⁽³⁾
Common Stock	3/25/2020		P		130000	A	$40.77 ⁽⁹⁾	1090000 ⁽²⁾	D ⁽³⁾
Common Stock	3/26/2020		P		145000	A	$41.00 ⁽¹⁰⁾	1235000 ⁽²⁾	D ⁽³⁾
Common Stock	3/27/2020		P		160000	A	$39.08 ⁽¹¹⁾	1395000 ⁽²⁾	D ⁽³⁾
Common Stock								92010554	I	TTWF LP ⁽¹²⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:
(1)	Reflects the average price of shares purchased March 13, 2020. Each line in Table I of the original Form 4, filed March 16, 2020, correctly aggregated purchases within a $1.00 price range.
(2)	Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below.
(3)	Erroneously reported as indirect holdings. Amended to reflect direct ownership.
(4)	Reflects the average price of shares purchased March 16, 2020. Each line in Table I of the original Form 4, filed March 17, 2020, correctly aggregated purchases within a $1.00 price range.
(5)	Reflects the average price of shares purchased March 17, 2020. Each line in Table I of the original Form 4, filed March 18, 2020, correctly aggregated purchases within a $1.00 price range.
(6)	Reflects the average price of shares purchased March 18, 2020. Each line in Table I of the original Form 4, filed March 19, 2020, correctly aggregated purchases within a $1.00 price range.
(7)	Reflects the average price of shares purchased March 19, 2020 Each line in Table I of the original Form 4, filed March 20, 2020, correctly aggregated purchases within a $1.00 price range.
(8)	Reflects the average price of shares purchased March 24, 2020. Each line in Table I of the original Form 4, filed March 25, 2020, correctly aggregated purchases within a $1.00 price range.
(9)	Reflects the average price of shares purchased March 25, 2020. Each line in Table I of the original Form 4, filed March 26, 2020, correctly aggregated purchases within a $1.00 price range.
(10)	Reflects the average price of shares purchased March 26, 2020. The original Form 4, filed March 27, 2020, provides weighted average pricing for each transaction within a $1.00 threshold in column 4 and related footnotes.
(11)	Reflects the average price of shares purchased March 27, 2020. Each line in Table I of the original Form 4, filed March 30, 2020, correctly aggregated purchases within a $1.00 price range.
(12)	92,010,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership. Reporting person is the general partner of TTWF LP. Reporting Person has no direct pecuniary interest in these securities but may be deemed to beneficially own an indirect pecuniary interest in these securities.

Remarks:
This Form 4A corrects the reporting person's direct ownership for filings made March 16, 17, 18, 19, 20, 25, 26, 27 and 30, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
TTWFGP LLC 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON, TX 77056		X