Celanese Completes Sale of PVOH Business to Sekisui Chemical

Celanese Corp. (NYSE: CE), a leading, global chemical company, today announced it has completed the sale of its polyvinyl alcohol (PVOH) business to Sekisui Chemical Co., Ltd. for the purchase price of approximately US$173 million, excluding the value of accounts receivable and payable retained by Celanese. Celanese announced its agreement to sell its PVOH business to Sekisui on April 27, 2009.

The sale includes the facilities in Calvert City, Ky., Pasadena, Texas, one unit within the complex at Tarragona, Spain, and resources from the company’s Houston Technology Center. In total, approximately 250 employees located at these operations, supported by personnel in administrative, technical and sales functions, will join Sekisui. In addition, the transaction includes long-term supply agreements between both companies.

Based in Osaka and Tokyo, Japan, Sekisui is a global company whose products include high performance plastics and polymers, urban infrastructure and environmental products and housing materials, with annual sales of approximately $10 billion and 18,000 employees.

About Celanese

As a global leader in the chemicals industry, Celanese Corporation makes products essential to everyday living. Our products, found in consumer and industrial applications, are manufactured in North America, Europe and Asia. Net sales totaled $6.8 billion in 2008, with approximately 65% generated outside of North America. Known for operational excellence and execution of its business strategies, Celanese delivers value to customers around the globe with innovations and best-in-class technologies. Based in Dallas, Texas, the company employs approximately 8,000 employees worldwide. For more information on Celanese Corporation, please visit the company's website at www.celanese.com.

Forward-Looking Statements

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