Westlake Chemical Partners LP
For the period ended Sep 30, 2025. Filed Oct 31, 2025.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2025 · Filed Oct 31, 2025
WLKP$21.01-0.8%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Item 6. Exhibits
| Exhibit No. | Exhibit |
| 3.1 | Certificate of Limited Partnership of Westlake Chemical Partners LP (incorporated by reference to Exhibit 3.1 to Westlake Chemical Partners LP's Registration Statement on Form S-1 (File No. 333-195551), filed on April 29, 2014). |
| 3.2 | First Amended and Restated Agreement of Limited Partnership of Westlake Chemical Partners LP (incorporated by reference to Exhibit 3.1 to Westlake Chemical Partners LP's Current Report on Form 8-K (File No. 001-36567) filed on August 8, 2014). |
| 3.3 | Amendment No. 1 to the First Amended and Restated Agreement of Limited Partnership of Westlake Chemical Partners LP dated as of November 16, 2017 (incorporated by Reference to Exhibit 3.1 to Westlake Chemical Partners LP's Current Report on Form 8-K, filed on November 16, 2017, File No. 01-36567). |
| 3.4 | Amendment No. 2 to the First Amended and Restated Agreement of Limited Partnership of Westlake Chemical Partners LP (incorporated by reference to Exhibit 3.1 to Westlake Chemical Partners LP's Current Report on Form 8-K filed on July 30, 2018 (File No. 01-36567)). |
| 3.5 | Amended and Restated Agreement of Limited Partnership of Westlake Chemical OpCo LP (incorporated by reference to Exhibit 10.7 to Westlake Chemical Partners LP's Current Report on Form 8-K (File No. 001-36567) filed on August 8, 2014). |
| 3.6 | Amendment No. 1 to the Amended and Restated Agreement of Limited Partnership of Westlake Chemical OpCo LP dated as of December 1, 2017 (File No. 01-36567) (incorporated by reference to Exhibit 3.4 to Westlake Chemical Partners LP's Annual Report on Form 10-K for the year ended December 31, 2017 (File No. 01-36567) filed on March 1, 2018). |
| 10.1 | First Amendment to Services and Secondment Agreement by and among Westlake Chemical OpCo LP, Westlake Management Services, Inc., Westlake Vinyls, Inc., WPT LLC and Westlake Petrochemicals LLC (incorporated by Reference to Exhibit 10.2 to Westlake Chemical Partners LP's Current Report on Form 8-K, filed on October 30, 2025, File No. 01-36567). |
| 10.2 | First Amendment to the Omnibus Agreement among Westlake Management Services, Inc., Westlake Vinyl Corporation, Westlake Chemical Partners GP LLC, Westlake Chemical Partners LP, WPT LLC, Westlake Petrochemicals LLC, Westlake Vinyls, Inc., Westlake Longview Corporation, Westlake Chemical OpCo GP LLC, Westlake Chemical OpCo LP, Westlake PVC Corporation, Westlake Styrene LLC and Westlake Polymers LLC (incorporated by Reference to Exhibit 10.4 to Westlake Chemical Partners LP's Current Report on Form 8-K, filed on October 30, 2025, File No. 01-36567). |
| 31.1† | Rule 13a – 14(a) / 15d – 14(a) Certification (Principal Executive Officer) |
| 31.2† | Rule 13a – 14(a) / 15d – 14(a) Certification (Principal Financial Officer) |
| 32.1# | Section 1350 Certification (Principal Executive Officer and Principal Financial Officer) |
| 101.INS† | Inline XBRL Instance Document–The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document. |
| 101.SCH† | Inline XBRL Taxonomy Extension Schema Document |
| 101.CAL† | Inline XBRL Taxonomy Extension Calculation Linkbase Document |
| 101.DEF† | Inline XBRL Taxonomy Extension Definition Linkbase Document |
| 101.LAB† | Inline XBRL Taxonomy Extension Label Linkbase Document |
| 101.PRE† | Inline XBRL Taxonomy Extension Presentation Linkbase Document |
| 104 | Cover Page Interactive Data File - The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. |
† Filed herewith.
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