Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File No. 001-36567 Westlake Chemical Partners LP 2801 Post Oak Boulevard, Suite 600 Houston, Texas 77056 (Address of principal executive offic ...

Westlake Chemical Partners LP (NYSE:WLKP) Q4 2020 Results Conference Call February 23, 2021 12:00 PM ET Company Participants Jeff Holy - Vice President and Treasurer Albert Chao - President and Chief Executive Officer Steve Bender - Senior Vice President and Chief Financial Officer Conference Call Participants Matthew Blair - Tudor, Pickering Holt Stephen Byrne - Bank of America Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Fourth Quarter 2020 Earnings Confere ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File No. 001-36567 Westlake Chemical Partners LP (Exact name of registrant as specified in its charter) Delaware 32-0436529 (State or other jurisdictio ...

Westlake Chemical Partners LP (NYSE:WLKP) Q3 2020 Earnings Conference Call November 3, 2020 1:00 PM ET Company Participants Jeff Holy - VP & Treasurer Albert Chao - President, CEO & Director Steven Bender - SVP, CFO & Director Conference Call Participants Michael Leithead - Barclays Bank Matthew Blair - Tudor, Pickering, Holt & Co. Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Third Quarter 2020 Earnings Conference Call. [Operator Instructions]. As a reminder, ...

Westlake Chemical Partners LP (NYSE:WLKP) Q2 2020 Results Conference Call August 6, 2020 12:00 PM ET Company Participants Jeff Holy - VP & Treasurer Albert Chao - President, CEO & Director Steve Bender - SVP, CFO & Director Conference Call Participants Arun Viswanathan - RBC Mike Leithead - Barclays Matthew Blair - Tudor, Pickering, Holt Eric Petrie - Citi Steve Byrne - Bank of America Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Second Quarter 2020 Earnings ...

Washington, D.C. 20549 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File No. 001-36567 Westlake Chemical Partners LP (Exact name of registrant as specified in its charter) Delaware 32-0436529 (State or other jurisdiction of ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 Securities registered pursuant to Section 12(b) of the Act: or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File No. 001-36567 Westlake Chemical Partners LP (Exact name of registrant as specified in its ...

Westlake Chemical Partners LP (NYSE:WLKP) Q1 2020 Earnings Conference Call May 4, 2020 1:00 PM ET Company Participants Jeff Holy - VP & Treasurer Albert Chao - President, CEO & Director Steven Bender - SVP, CFO & Director Conference Call Participants Michael Leithead - Barclays Bank Steve Byrne - Bank of America Merrill Lynch Matthew Blair - Tudor, Pickering, Holt & Co. Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners First Quarter 2020 Earnings Conference Call. ...

Westlake Chemical Corporation First Quarter 2020 Earnings Presentation May 4, 2020 Westlake Chemical COVID–19 Review Health and Safety The government has designated our sector as "critical infrastructure" during this time permitting Westlake to continue to produce essential materials for life-enhancing products that protect and benefit lives every day Our first priority is to ensure the health and safety of our employees around the world. We have developed a variety of initiatives to protect our employees i ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission File No. 001-36567 Westlake Chemical Partners LP (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorp ...