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Filing Details

Accession Number:: 0001140361-17-045020
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2017-12-05 13:04:16
Reporting Period:: 2017-12-04

Accepted Time:: 2017-12-05 13:04:16
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1604665	Westlake Chemical Partners Lp	WLKP	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1299505	James Chao	2801 Post Oak Blvd Suite 600 Houston TX 77056		Yes	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Units (Limited Partner Interests)	Acquisiton	2017-12-04	8,473	$22.17	8,473	No	4	P	Indirect	by Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	by Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Units (Limited Partner Interests)	45,000	Direct
Common Units (Limited Partner Interests)	14,122,230	Indirect	TTWF LP & TTWF GP LLC

Footnotes

The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions ranging from $22.00 to $22.25, inclusive. The reporting person undertakes to provide to Westlake Chemical Partners LP, any security holder of Westlake Chemical Partners LP or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.
WPT LLC ("WPT") owns 14,122,230 common units ("Common Units") representing limited partner interests in the Issuer. Westlake Chemical Corporation ("Westlake") owns 100% of Westlake Olefins Corporation, which owns 100% of Westlake Chemical Investments, Inc., which owns 100% of Westlake Polymers LLC, which owns 100% of WPT. The reporting person may be deemed to indirectly own the Common Units through his ownership interest in TTWF LP, a Delaware limited partnership through which the reporting person indirectly holds 92,010,554 shares of Westlake.
Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWF GP LLC, a Delaware limited liability company that is the general partner of TTWF LP. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the common units beneficially owned by TTWF LP. The reporting person disclaims beneficial ownership of the Common Units except to the extent of his pecuniary interest therein.