Westlake Corporation (NYSE: WLK) (the "Company" or "Westlake") today announced third quarter 2024 results. SUMMARY FINANCIAL HIGHLIGHTS (in millions of dollars, except per share data and percentages)     Three Months Ended September 30, 2024   Three Months Ended June 30, 2024   Three Months Ended September 30, 2023               Westlake Corporation             Net sales   $ 3,117     $ 3,207     $ 3,115   Income from operations   $ 180     $ 406     $ 349   Net income attributable to Westlake Corporation   $ 108     $ 313     $ 285   Diluted earnings per common share   $ 0.83     $ 2.40     $ 2.20

$0.4714 per unit distribution declared payable on November 27, 2024 The Board of Directors of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP (the "Partnership") (NYSE:WLKP), has declared a distribution of $0.4714 per unit. This is the 41st quarterly distribution announced by the Partnership since its initial public offering. The distribution will be payable on November 27, 2024, to unit holders of record on November 12, 2024. This release is intended to be a qualified notice under Treasury Regulation Section 1.1446-4(b). Brokers and nominees should treat one hundred percent (100.0%) of the Partnership’s distributions to non-U.S. investors as being attributable to income that is effectively connected with a United States trade or business. Accordingly, the Partnership’s distributions to non-U.S. investors are subject to federal income tax withholding at the highest applicable effective tax rate. About Westlake Chemical Partners LP Westlake

Region seeks to become hotspot for bio-based building blocks for the construction industry. Over the next three years, 11 partners in West-North Brabant, led by TNO, will be working together to make green building blocks with local tree and plant residues. Westlake Epoxy plays a key role in project Consortium B4, aiming to explore the replacement of fossil fuel-based feedstock with a bio-based feedstock for the production of epoxy resins. In collaboration with consortium partners, these novel bio-based feedstocks are tested and tailored to meet the specific requirements for producing epoxy resins and ensuring the epoxy product meets customer’s product properties requirements. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20241024190335/en/ (Graphic: Business Wire) From grass to glue, from sugar beet pulp to paint or from wood chips to insulation foam are examples of what the B4 project – B etter B io-based B uilding B locks

Westlake Corporation (NYSE: WLK) will release its third quarter 2024 earnings prior to the market opening on Tuesday, November 5, 2024. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m. Central Time) on the same day to discuss the earnings release.

Westlake Chemical Partners (NYSE: WLKP) will release its third quarter 2024 earnings prior to the market opening on Tuesday, November 5, 2024. The company will host a conference call at 1:00 p.m. Eastern Time (12:00 p.m. Central Time) on the same day to discuss the earnings release.