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, 2023 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 ...

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, 2022 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 ju ...

Westlake Chemical Partners LP (NYSE:WLKP) Q4 2022 Results Conference Call February 21, 2023 1:00 PM ET Company Participants Jeff Holy - Vice President and Treasurer Albert Chao - President and Chief Executive Officer Steve Bender - Executive Vice President and Chief Financial Officer Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Fourth Quarter and Full Year 2022 Earnings Conference Call. During the presentation, all participants will be in a listen-only mode. ...

Westlake Chemical Partners LP (NYSE:WLKP) Q3 2022 Earnings Conference Call November 3, 2022 1:00 PM ET Company Participants Jeff Holy - Vice President and Treasurer Albert Chao - President and Chief Executive Officer Steve Bender - Executive Vice President and Chief Financial Officer Conference Call Participants Michael Leithead - Barclays Operator Thank you for standing by. Welcome to the Westlake Chemical Partners Third Quarter 2022 Earnings Conference Call. During the presentation, all participants will ...

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, 2022 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 ...

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 June 30, 2022 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) Securities registered pursuant to Section 12(b) of t ...

Westlake Chemical Partners LP (NYSE:WLKP) Q2 2022 Earnings Conference Call August 2, 2022 1:00 PM ET Company Participants Jeff Holy - Vice President and Treasurer Albert Chao - President and Chief Executive Officer Steve Bender - Executive Vice President and Chief Financial Officer Conference Call Participants Matthew Blair - Tudor, Pickering, Holt Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Second Quarter 2022 Earnings Conference Call. During the presentati ...

Q2 2022 Earnings Presentation Westlake Delivers Record Quarter Business Highlights Record quarterly results in 2Q 2022: Record quarterly net sales of $4.5 billion, an increase of 57% vs. second quarter 2021 net sales Record quarterly net income of $858 million, an increase of 64% vs. second quarter 2021 net income Record quarterly EBITDA of $1.5 billion, an increase of 56% vs. second quarter 2021 EBITDA Performance driven by strong demand for Westlake's differentiated and specialized product offerings bolst ...

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, 2022 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 | Common units representing limited | | | | --- | --- | --- | | Title of each class partnership interests ...

Westlake Chemical Partners LP (NYSE:WLKP) Q1 2022 Earnings Conference Call May 3, 2022 1:00 PM ET Company Participants Jeff Holy - Vice President and Treasurer Albert Chao - President and Chief Executive Officer Steve Bender - Executive Vice President and Chief Financial Officer Conference Call Participants Matthew Blair - Tudor, Pickering, Holt Operator Good afternoon. Thank you for standing by, and welcome to the Westlake Chemical Partners First Quarter 2022 Earnings Conference Call. During the presentati ...