Westlake Global Compounds’ North American Sites Receive Bronze Medal from EcoVadis

HOUSTON--(BUSINESS WIRE)-- Today Westlake Corporation (NYSE: WLK) announced that Westlake Compounds LLC has been awarded the esteemed EcoVadis Bronze Medal for its commitment to improved environmental sustainability and management. This accolade places Westlake Compounds LLC among the top 35% of companies assessed by EcoVadis globally.

EcoVadis granted Westlake Compounds LLC the Bronze Medal following a third-party assessment of Westlake Global Compounds’ performance at its North American sites. This achievement is a testament to Westlake Corporation’s dedication to implementing and maintaining responsible business practices throughout its international operations.

EcoVadis, the world’s largest and most trusted provider of business sustainability ratings, evaluates more than 75,000 companies in over 160 countries across 200 industries. The organization’s rigorous assessment methodology covers four key areas: environment, labor and human rights, ethics, and sustainable procurement.

“Receiving the EcoVadis Bronze Medal is a significant milestone for Westlake Global Compounds’ North American sites and underscores our commitment to environmental stewardship and ethical business practices,” said Bridget Confait-Smith, associate director – Research, Technology, Innovation and Global Sustainability of Westlake Global Compounds.

“This achievement of Westlake Global Compounds’ North American sites 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 for our Westlake Global Compounds North American sites 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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Westlake Corporation

mediarelations@westlake.com

Chip Swearngan, 1-713-960-9111

Source: Westlake Corporation