WESTLAKE CORP — Director's Dealing 2020

Aug 20, 2020

SEC Form 4/A — Form 4/A

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2020-03-13

Reporting Person: TTWFGP LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-13	Common Stock	P	160000	$32.94	Acquired	160000	Direct
2020-03-16	Common Stock	P	160000	$31.42	Acquired	320000	Direct
2020-03-17	Common Stock	P	165000	$33.25	Acquired	485000	Direct
2020-03-18	Common Stock	P	165000	$31.41	Acquired	650000	Direct
2020-03-19	Common Stock	P	165000	$37.66	Acquired	815000	Direct
2020-03-24	Common Stock	P	145000	$36.53	Acquired	960000	Direct
2020-03-25	Common Stock	P	130000	$40.77	Acquired	1090000	Direct
2020-03-26	Common Stock	P	145000	$41.00	Acquired	1235000	Direct
2020-03-27	Common Stock	P	160000	$39.08	Acquired	1395000	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	92010554	Indirect

Footnotes

F1: 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.

F2: 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.

F3: Erroneously reported as indirect holdings. Amended to reflect direct ownership.

F4: 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.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

F9: 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.

F10: 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.

F11: 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.

F12: 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.