Bad Homburg, December 29, 2006

ALTANA AG completes sale of pharmaceuticals business to Nycomed

ALTANA AG (NYSE: AAA, FSE: ALT) has successfully completed the sale of ALTANA Pharma AG and its entire pharmaceuticals business to the Danish Nycomed on
December 29, 2006. The preliminary total purchase price amounts to approximately €4.6 billion. The transfer of ownership becomes effective on conclusion of December 31, 2006.

The divestment of the pharmaceuticals activities ends the Group’s involvement in two areas of business. After closing of the transaction ALTANA AG will focus on its specialty chemicals business.

ALTANA AG announced the sale of ALTANA Pharma AG and its entire pharmaceuticals business to Nycomed on September 21, 2006. Following approval by the European and U.S. antitrust authorities, the shareholders of ALTANA AG also approved the sale at the Extraordinary General Meeting held on December 19.

For inquiries please contact:


ALTANA AG
Dr. Thomas Gauly   
Head of Corporate Communications &
Investor Relations   

Media Relations:
P + 49 (0) 6172 1712-160
P + 49 (0) 6172 1712-150
F + 49 (0) 6172 1712-158

Investor Relations:
P + 49 (0) 6172 1712-163
P + 49 (0) 6172 1712-165
F + 49 (0) 6172 1712-158

Investor Relations USA:
P +1 212 974 98 00
F +1 212 974 61 90