ELANTAS Electrical Insulation

Bad Homburg, September 23, 2004

Dr. Matthias Wolfgruber´s term of office extended

The Supervisory Board of ALTANA AG (NYSE: AAA, FSE: ALT) today extended Dr. Matthias Wolfgruber’s term of office as Member of the Management Board of ALTANA AG and overall management of the Chemicals division by a further five years. Dr. Matthias Wolfgruber has served on the ALTANA Management Board since July 1, 2002.

This press release contains forward-looking statements, i.e., current estimates or expectations of future events or future results.

Forward-looking statements speak only as of the date they are made. ALTANA does not intend, and does not assume any obligation, to update forward-looking statements to reflect facts, circumstances or events that have occurred or changed after such statements have been made.

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Dr. Thomas Gauly

Head of Corporate Communications &

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