Celanese CEO to Present at UBS Leveraged Finance Conference May 12.

DALLAS -- Celanese Corporation (NYSE:CE), a global chemical company, today announced that David Weidman, chief executive officer, will address investors at the UBS Leveraged Finance Conference on Thursday, May 12, 2005 at 11:15 a.m. Pacific Time in Las Vegas.

The presentation will be available by webcast in the investor section of Celanese's Web site at www.celanese.com. A replay of the webcast will be available at the same Web site until June 12, 2005.

Celanese Corporation (NYSE:CE) is an integrated global producer of value-added industrial chemicals with 2004 sales of $5 billion. Based in Dallas, the company holds #1 or #2 market positions in 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. For more information, please visit the company's Web site at www.celanese.com.