DALLAS (March 14, 2011) ? Celanese Corporation (NYSE: CE) a global technology and specialty materials company and a North American leader in Ethylene Vinyl Acetate (EVA) polymers, announced today that its subsidiary, Celanese EVA Performance Polymers Inc., will increase the price of all grades of Ateva EVA by $0.08/pound and all grades of LDPE by $0.06/pound effective April 15, 2011, or as contracts allow.

Customers should contact their Celanese sales representative for more details.

About Celanese

Celanese Corporation is a global technology leader in the production of specialty materials and chemical products which are used in most major industries and consumer applications. Our products, essential to everyday living, are manufactured in North America, Europe and Asia. Known for operational excellence, sustainability and premier safety performance, Celanese delivers value to customers around the globe with best-in-class technologies. Based in Dallas, Texas, the company employs approximately 7,250 employees worldwide and had 2010 net sales of $5.9 billion, with approximately 72% generated outside of North America. For more information about Celanese Corporation and its global product offerings, visit www.celanese.com.

About Celanese EVA Performance Polymers Inc.

The business is a North American leader in developing products and application technology to improve performance, create value and drive innovation in a broad range of industrial and consumer end-use applications including flexible packaging, thermal lamination film, hot melt adhesive, USP class VI medical products and photovoltaic cells. The business has manufacturing facilities in Edmonton, Canada, and is supported by expert technical service. More information about Celanese EVA Performance Polymers Inc. is available at www.celanese-EVA.com.

Ateva is a registered trademark of Celanese EVA Performance Polymers Inc.

Forward-Looking Statements
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