Celanese Names Mark Oberle as Vice President, Investor Relations

    Business Editors

    DALLAS--(BUSINESS WIRE)--April 15, 2005--Celanese Corporation (NYSE:CE) today announced the appointment of Mark Oberle as vice president Investor Relations, effective immediately. He is based in Dallas. Oberle joins Celanese from Navistar International Corp., where he most recently directed the Investor Relations function. Prior to heading Investor Relations, he led Activity Based Management for Navistar. He has also held positions in sales, marketing, finance and accounting for Navistar's Brazilian operations.
    Oberle earned a bachelor of science degree in business computer systems and an M.B.A. from Bradley University.

    Celanese Corporation (NYSE:CE) is an integrated global producer of value-added industrial chemicals based in Dallas, Texas. 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. 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.

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CONTACT: Celanese Corporation, Dallas USA Vance Meyer, 972-443-4847 Telefax: 972-443-8519 Vance.Meyer@celanese.com or Europe Michael Kraft, +49 69 30514072 Telefax: +49 69305 36787 M.Kraft@celanese.com or Investor Relations Andrea Stine, 908-901-4504 Telefax: 908-901-4805 A.Stine@celanese.com

KEYWORD: TEXAS BRAZIL INTERNATIONAL LATIN AMERICA INDUSTRY KEYWORD: CHEMICALS/PLASTICS ADVERTISING/MARKETING MANAGEMENT CHANGES SOURCE: Celanese Corporation

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