Celanese Has Sold Its omega-3 DHA Business to Lonza.

DALLAS -- Celanese Corporation (NYSE: CE)(FWB:CZZ) announced today that it has sold the omega-3 DHA business of its performance products segment Nutrinova to Lonza Ltd., Switzerland. Financial details of the deal were not disclosed.

The sale of DHA is in line with Celanese's overall strategy to focus on its core businesses as well as with Nutrinova's policy to focus on its core sweetener and food protection businesses.

DHA is derived entirely from micro-algae based natural sources. It is widely regarded as the most important omega -3 polyunsaturated fatty acid. There is a broad variety of applications for DHA such as dietary supplements, functional foods and specialty nutrition products.

Celanese Corporation (NYSE:CE) is an integrated global producer of value-added industrial chemicals based in Dallas, Texas. The Company has four major businesses Chemical Products, Technical Polymers Ticona, Acetate Products and Performance Products with production plants in North America, Europe and Asia. In 2004, Celanese Corporation and its predecessor had combined net sales of $5.1 billion. The presentation of combined net sales of Celanese Corporation with its predecessor is not in accordance with U.S. GAAP. For more information on Celanese Corporation including a reconciliation of the combined net sales, please visit the company's web site at www.celanese.com.

Forward-looking statements (statements which are not historical facts) in this release are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Investors are cautioned that all forward-looking statements involve risks and uncertainties, including those risks and uncertainties detailed in the Company's filings with the Securities and Exchange Commission, copies of which are available from the Company