Celanese Signs Major Supply Agreements for Nanjing Site; Agreements Represent Key Milestones for New Acetic Acid Plant.

Business Editors

KRONBERG, Germany--(BUSINESS WIRE)--May 25, 2004

Celanese AG today announced major supplier agreements for its planned 600,000 metric ton acetic acid plant in the Nanjing Chemical Industry Park, Nanjing City, in eastern China (Jiangsu Province). The agreements represent key milestone's in the company's Nanjing facility project.

The company signed a 15-year agreement with The BOC Group for the supply of carbon monoxide. BOC is the largest industrial gases company in China and throughout Asia. It will construct plants, pipelines and other infrastructure for the supply of oxygen, carbon monoxide, hydrogen and steam to Celanese and other companies in Nanjing Chemical Industry Park. Completion of the BOC project is scheduled for mid-2006.

Also, Celanese announced that it has agreed to purchase the acetic acid reactor for the plant from AstroCosmos of Camarillo, California. The design reflects the combined technical expertise of Celanese and AstroCosmos, one of the world's largest producers of corrosive-resistant, reactive metals equipment for the chemical processing industries.

"With necessary government approvals and these and other key vendor relationships in place, our facility plans in Nanjing are moving forward," said Celanese AG vice chairman and Chief Operating Officer Dave Weidman. "We look forward to becoming the premier supplier of acetic acid and derivatives in China and an active member of the Nanjing business community. Celanese appreciates the vision and support of local government authorities in Nanjing and the Nanjing Chemical Industry Park."

As previously announced, Celanese plans to begin operations at its Nanjing plant in 2006.

Recently, Nanjing Dragon Crown Terminal Co Ltd, a subsidiary of Dragon Crown, announced that it will provide terminal services and logistical support for the Celanese Nanjing plant from a new public terminal along the Yangtze River.

As announced last October, Celanese is also actively working with Maison Engineering and Constructors (MEC), China Huanqiu Contracting and Engineering Corporation (HQ) and Foster-Wheeler Eastern Pte., Ltd., Singapore, on engineering, design, procurement and construction management services activities for the Nanjing plant.

Acetic acid is made from a reaction of methanol and carbon monoxide. Methanol is available from multiple global and local sources and is also produced by Celanese. With its state-of-the art process technology, Celanese holds a worldwide leading position in acetic acid with production capacities of more than 2 million metric tons per-annum.

Nanjing City, in the commercial heart of China, is situated on the lower Yangtze River and offers superior logistics provided by a vast network of rail, road and waterways. The Nanjing Chemical Industry Park is one of the two State-level petrochemical parks in China.

Celanese AG is a global chemicals company with leading positions in its key products and world class process technology. The Celanese portfolio consists of four main businesses: Chemical Products, Acetate Products, Technical Polymers Ticona and Performance Products. The Performance Products business consists of Nutrinova sweeteners and food ingredients. Celanese generated sales of around EUR 4.1 billion in 2003 and has about 9,500 employees.The company has 24 production plants and six research centers in 10 countries mainly in North America, Europe and Asia. Celanese AG shares are listed on the Frankfurt stock exchange (stock exchange symbol CZZ) and on the New York Stock Exchange (symbol CZ). For further information please visit our website 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.