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WESTLAKE CORPORATION

WLK · NEW YORK STOCK EXCHANGE INC.

All Other Basic Organic Chemical Manufacturing · US

Westlake is an international manufacturer and supplier of petrochemicals, polymers and building products that enhance the daily lives of people around the world. Whether it’s plastic wrap that keeps meats and produce fresh; the intravenous bags and tubing used in medical care, the pipes that are essential to ensuring clean water, or the chlorine that treats water and helps keep pools safe, Westlake plays a vital role in supplying the building blocks for these products and many more.