Third Party Engineering Experts Validate Celanese’s TCX™ Advanced Ethanol Technology

Celanese Corporation (NYSE:CE), a global technology and specialty materials company, today published independent, third-party analyses of Celanese TCX™, its proprietary technology for ethanol production. Under non-disclosure agreements to protect the intellectual property rights and maintain confidentiality, Fluor Corporation and WorleyParsons evaluated the company’s advanced ethanol technology that uses basic hydrocarbon feedstocks in the manufacture of fuel and industrial ethanol.

"We believe the evaluation and validation by these well-respected firms provides an additional measure of confidence in our ethanol technology,” said Jim Alder, senior vice president, operations and technical.

Following are excerpts from the third-party reviews:

Fluor

Fluor is a FORTUNE 500 company that delivers engineering, procurement, construction, maintenance (EPCM), and project management services to governments and clients in diverse industries around the world.

• "Fluor has completed an independent assessment of the proprietary technology Celanese has developed for the production of ethanol. The technology is based on a novel catalyst system that was developed by researchers at Celanese. In addition, a simple and elegant flowsheet comprised of a small number of process sub-systems that can be readily scaled was conceived and designed by process technologists at Celanese.”
• "The results of this review lead Fluor to the professional opinion that the 400 kta plant as designed will meet capacity and conversion targets.”

WorleyParsons

WorleyParsons is a leading provider of engineering, procurement and construction management services to the resources and energy sectors and complex process industries.

• "The field of chemistry in which this process will operate is well known to Celanese and is one in which they have occupied a leading world-class position for many years. They have a good understanding and knowledge of the chemical behavior, physical properties and thermodynamics of the principal components..."

• "The 400 kta ethanol plant in China that Celanese intends to build using this new process technology can meet the desired operational targets of capacity and efficiency.”

The Fluor executive summary of the evaluation and additional materials related to the technology, including frequently asked questions (FAQ), can be found at www.CelaneseTCX.com.

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.

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