Westlake Epoxy Receives ISCC PLUS Certification at its Duisburg, Germany Site

HOUSTON--(BUSINESS WIRE)-- Westlake Corporation (NYSE: WLK) announced today that its Westlake Epoxy Duisburg, Germany manufacturing site has received the International Sustainability & Carbon Plus (ISCC PLUS) certification. The site received mass balance certification for its tracing and handling of sustainable materials in the production of epoxy specialty products. This is the second Westlake Epoxy site in Europe to receive ISCC PLUS certification. The goal is to achieve this certification for all Westlake Epoxy sites in Europe in the near future.

“This marks a significant step in Westlake Epoxy’s strategy to integrate renewable carbon materials into its raw material supply chain while reducing energy consumption and greenhouse gas emissions,” said Ann Frederix, Vice President - Epoxy. “The ISCC PLUS certification creates opportunities for our customers to access a wider range of innovative, renewable attributed and lower-carbon footprint products. The mass balancing concept ensures equivalent performance to traditional epoxy products while supporting our customers in fulfilling their sustainability objectives.”

This recent certification reflects Westlake’s ongoing commitment to operating in a more environmentally responsible manner. The Westlake Epoxy strategy is aligned with other businesses in Europe such as Westlake Vinnolit, whose sites are all ISCC PLUS certified.

Westlake Epoxy serves a broad variety of industries, including adhesives, aerospace, automotive, civil engineering and construction, composite and wind energy, electronics, electric laminates, marine and protective coatings.

About Westlake

Westlake Corporation (NYSE: WLK) 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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Chip Swearngan

media@westlake.com

1-713-960-9111

Source: Westlake Corporation