DyStar To Acquire Rotta

DyStar Textilfarben GmbH and Co. KG and the Rotta Group, both based in Germany, have signed a
cooperation agreement whereby DyStar will acquire all Rotta business activities, including the
production of chemical auxiliaries for the textile, leather and paper industries. Financial terms
of the deal were not disclosed. The acquisition will include Rotta’s business in Germany and its
subsidiaries in Turkey, Italy, France, China and Brazil. Rotta Managing Director Alfred Mittelmann
will take on responsibility for DyStar’s auxiliaries business.

January 2005