Stockholders may obtain a copy of the Company’s annual report on Form 10-K without charge by writing:
Westlake Corporation
2801 Post Oak Blvd., Houston, TX 77056
Attn: Investor Relations
Westlake (NYSE: WLK) is a global diversified industrial company that manufactures and supplies essential products
that enhance the daily lives of people around the globe. Our products, now under a One Westlake brand, supply the
necessary building blocks for everyday products across housing and infrastructure, packaging and healthcare, and
automotive and consumer goods. Consumers gain the benefits of materials Westlake
produces in products such as food packaging, medical devices, soaps and detergents, car interiors, fashion,
toys, shoes, furniture, electronics, siding, stone veneer, windows, outdoor living, roofing, and pipe &
fittings. Westlake is proud to contribute to driving a sustainable future through the creation of essential
products that are Enhancing Your Life Every Day®.
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