Westlake Corporation (NYSE: WLK) today announced that Westlake Global Compounds businesses and operating sites outside of the U.S. - Westlake Compounds Holdings, S.A.S. - have been awarded the esteemed EcoVadis Silver Medal, reflecting the company’s commitment to improved environmental sustainability and corporate social responsibility. This accolade places these Westlake Global Compounds sites among the top 15% of companies assessed by EcoVadis globally over the past year. EcoVadis is the world’s largest and most trusted provider of business sustainability ratings and evaluates companies globally on their corporate social responsibility performance using international standards like the Global Reporting Initiative, the United Nations Global Compact, and ISO 26000.

“Receiving the EcoVadis Silver Medal is a significant milestone for Westlake Global Compounds and underscores our commitment to environmental stewardship and ethical business practices,” said Bridget Confait-Smith, associate director – research, technology, innovation and global sustainability at Westlake Global Compounds. “We are honored to be recognized for our efforts and will continue to strive for excellence in every aspect of our operations.”

EcoVadis granted the Silver Medal following a third-party assessment of Westlake Global Compounds’ performance at its sites in Mexico, Europe, and Asia. This achievement is a testament to Westlake Global Compounds’ dedication to implementing and maintaining responsible business practices throughout its international operations.

EcoVadis, evaluates more than 75,000 companies in over 160 countries across 200 industries. The organization’s assessment methodology covers four key areas: environment, labor and human rights, ethics, and sustainable procurement.

“Westlake Global Compounds’ achievement is reflective of the company’s strategic initiatives to enhance sustainability and social responsibility across its global footprint,” said Confait-Smith. “This recognition by EcoVadis is not only an honor but also a motivation for Westlake Global Compounds to continue its pursuit of operational excellence and leadership in practices and products intended to advance sustainability objectives.”

About Westlake Global Compounds

Westlake Global Compounds, a business unit of Westlake Corporation (NYSE: WLK), is a leading manufacturer of specialty polyvinyl chloride (PVC) compounds with facilities worldwide in China, France, Germany, Italy, Mexico, Spain, the United States and Vietnam; as well as a stabilizer plant in Japan and a research facility and application laboratories in France.

For more information, see www.westlakeglobalcompounds.com.

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