Westlake Releases 2023 Sustainability Report

Westlake Corporation (NYSE: WLK) today released its 2023 Sustainability Report, the company’s seventh voluntary annual update on sustainability innovations in products and continuous improvement in operations. The report also expands on the Company’s contributions to local communities as well as advancements in employee collaboration and professional development.

“We believe great ideas and innovations start with listening. Some of our greatest successes and operational improvements were inspired by our employees and customers,” said Jean-Marc Gilson, President and Chief Executive Officer. “Our sustainability reporting approach gives us additional opportunities to deepen engagement with our stakeholders, internally and externally, by learning how we can do better, celebrating our shared successes and supporting our communities. This report also aligns with our deliberate and disciplined investment approach, including how we advance sustainability with the ultimate objective of achieving both financial reward and long-term value creation.”

The Report includes updates on operations, new product initiatives, and other actions toward achieving sustainability goals, locally and globally.

Our 2023 Sustainability highlights include:

• Westlake Global Compounds added recycled PVC compounds to its offerings under Westlake’s Pivotal™ brand.
• The installation of a solar power plant at our Westlake Epoxy plant in Barbastro, Spain, and participation in a renewable power purchasing program with our local utility in Louisiana.
• The expansion of training offerings and a comprehensive six-month management training program for front-line supervisors with under a year of experience in their roles at our manufacturing facilities.
• Support for a widening array of community service activities and our self-directed employee networks.

The Sustainability Report includes certain metrics under the Global Reporting Initiative (GRI), and Sustainability Accounting Standards Board (SASB), and Task Force on Climate-Related Financial Disclosures (TCFD) frameworks for disclosure. These globally recognized frameworks inform how Westlake provides transparency on products, operations and locations across the company’s Performance & Essential Materials and Housing & Infrastructure Products businesses.

Westlake continually assesses the evolving landscape of sustainability-reporting frameworks and gathers feedback on its sustainability performance from a range of stakeholders, including customers, employees, investors, suppliers, and ESG rating organizations.

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 website at www.westlake.com

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Chip Swearngan [e-mail] 1-713-960-9111