Kronberg, Germany - (CZZ: FSE; CZ: NYSE): Celanese Chemicals will increase selling prices for all of its Acrylic based and Styrene Acrylic based Mowilith® Emulsions grades effective June 1, 2004 or as contracts allow. The price increase will be as follows:

Emulsions: by € 5.00 / 100 kg

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.