Bad Homburg, March 13, 2007

Ad hoc ALTANA AG: Special dividend of €33.00 Dividend for 2006 of €1.30 and bonus dividend of €0.50

The Supervisory Board of ALTANA AG (NYSE: AAA, FSE:ALT) today agreed on the proposal of the Management Board to use the net gain from the sale of ALTANA Pharma to distribute a special dividend of €33.00. The total purchase price for the Pharmaceuticals business amounts to roughly €4.7billion, the net gain related to the transaction amounts to roughly €4.5 billion.Furthermore, the Supervisory Board agreed on the proposal of a bonus dividendof €0.50 with regard to the planned balance sheet structure of the new ALTANA Group. The regular dividend for the business year 2006 is increasing by 18% to €1.30 (prior year: €1.10).

As a result, the total dividend will amount to altogether €4,732million. This corresponds to an amount of €34.80 per dividend-bearing share (136 million).