(DALLAS) April 1, 2005 – Celanese Chemicals today announced that it will increase the price for all Celvol^® polyvinyl alcohol grades by 8.5 percent per dry pound, globally. These changes will take effect on May 1, 2005, subject to existing contract conditions.

For more information about products or services, please contact your Celanese Polyvinyl Alcohol Sales Representative or visit our Web site at www.celvol.com.

About Celanese
Celanese Corporation (NYSE:CE) is an integrated global producer of value-added industrial chemicals based in Dallas, Texas. The company is the #1 or #2 producer of products comprising the majority of its sales and has four major businesses: Chemicals Products, Technical Polymers Ticona, Acetate Products and Performance Products.

Celanese has 29 production plants with major operations in North America, Europe and Asia.In 2004, Celanese Corporation and its predecessor had combined net sales of $5.1 billion. For more information, please visit the company’s web site at www.celanese.com