EXHIBIT 99.1 WESTLAKE CHEMICAL PARTNERS LP Contact—(713) 585-2900 Investors—Steve Bender Media—L. Benjamin Ederington Westlake Chemical Partners LP Announces First Quarter 2024 Results • Declared quarterly distribution of $0.4714 per unit; 39th consecutive quarterly distribution HOUSTON--(BUSINESS WIRE)--Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") today reported net income attributable to the Partnership in the first quarter of 2024 of $14.8 million, or $0.42 per limited partner unit, whi ...

HOUSTON--(BUSINESS WIRE)--Westlake Chemical Partners LP (the “Partnership”) (NYSE: WLKP) today provided an update on the availability of the Partnership’s 2023 Investor Tax Packages including Schedule K-1 for its common unitholders. The Partnership’s 2023 K-1 tax packages are now available. The information reported to you on Schedule K-1 is based on tax laws currently in effect for 2023. This information may be subject to change depending on actions taken by Congress and the President. If the Tax Relief fo ...

HOUSTON--(BUSINESS WIRE)--Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") announced that it filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2023 with the Securities and Exchange Commission on February 28, 2024. A copy of this 10-K may be found on the Partnership's website, www.wlkpartners.com, by selecting the "Investor Relations" tab, then "SEC Filings." Unitholders of the Partnership may receive a hard copy of its Annual Report on Form 10-K, including complete a ...

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, 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 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule ...

HOUSTON--(BUSINESS WIRE)--Westlake Chemical Partners LP (the “Partnership”) (NYSE: WLKP) today provided an update on the expected availability of the Partnership’s 2023 Investor Tax Packages including Schedule K-1 for its common unitholders. Historically, the Partnership’s Investor Tax Packages have been available by the end of February for the preceding tax year; however, the timing of the availability of Partnership’s 2023 Investor Tax Packages is dependent upon actions of the U.S. Congress and the Biden ...

Operator Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Fourth Quarter and Full Year 2023 Earnings Conference Call. During the presentation, all participants will be in a listen-only mode. After the speakersÂ' presentation, you will be invited to participate in the question-and-answer session. As a reminder, this conference is being recorded today, February 20, 2024. I would now like to turn the call over to todayÂ's host, Jeff Holy, Westlake Chemical PartnersÂ' Vice Pr ...

HOUSTON--(BUSINESS WIRE)--Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") today reported net income attributable to the Partnership in the fourth quarter of 2023 of $14.3 million, or $0.41 per limited partner unit, a decrease of $2.5 million compared to fourth quarter 2022 net income of $16.8 million. The decrease in net income in the fourth quarter of 2023 when compared to the prior-year period was largely driven by higher interest expense. Cash flows from operating activities in the fourth ...

| --- | --- | |---------------------------------|-------| | | | | Company Participants | | | Jeff Holy - VP and Treasurer | | | Albert Chao - President and CEO | | | Steve Bender - EVP and CFO | | | Conference Call Participants | | Operator Good afternoon, and thank you for standing by. Welcome to the Westlake Chemical Partners Third Quarter 2023 Earnings Conference Call. [Operator Instructions]. As a reminder, this conference is being recorded today, November 2, 2023. Jeff Holy Thank you, Antoine. Good aft ...

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, 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 jurisdictio ...

Company Participants Steve Bender - Executive Vice President and Chief Financial Officer Stephen Byrne - BofA Securities Good afternoon. Thank you for standing by. Welcome to the Westlake Chemical Partners Second Quarter 2023 Earnings Conference Call. [Operator Instructions] As a reminder, this conference is being recorded today, August 3, 2023. Jeff Holy Additionally, when we refer to distributable cash flow, we are referring to Westlake Chemical Partners' MLP distributable cash flow. Definition of these t ...