$0.525 per share dividend declared payable on December 12, 2024

The Board of Directors of Westlake Corporation (NYSE: WLK) today declared a regular dividend distribution of $0.525 per share for the third quarter of 2024. This dividend will be payable on December 12, 2024, to stockholders of record on November 26, 2024.

Westlake announced its first dividend on November 11, 2004 and has successively been paying and increasing its dividend for the past 20 years.

The statements in this release that are not historical facts, including statements regarding future payment of dividend, are forward-looking statements. These forward-looking statements are subject to significant risks and uncertainties. For more detailed information about the factors that could cause actual results to differ materially, please refer to Westlake’s Annual Report on Form 10-K for the year ended December 31, 2023, which was filed with the SEC in February 2024, and Westlake’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2024, which was filed with the SEC in May 2024, respectively.

About Westlake

Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, with operations in Asia, Europe and North America, we provide the building blocks for vital solutions — from housing and construction, to packaging and healthcare, to automotive and consumer. For more information, visit the Company's web site at www.westlake.com.

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