For questions about financial issues regarding Ciba, please contact "Investor Relations".

For specific questions about your shareholdings, please contact the "Shareholder Register".

For questions about any other issue concerning the company, please see the global contact page.

Investor Relations

For questions about financial issues regarding Ciba, please feel free to contact Investor Relations by e-mail. If you would like to speak directly with an Investor Relations representative, please feel free to call:

Matthias A. Fankhauser Tel:  +41 61 636 5081 Fax: +41 61 636 5111 or Siegfried Schwirzer Tel:  +41 61 636 5084 Fax: +41 61 636 5111	Mailing Address: Ciba Inc. Investor Relations Klybeckstrasse 141 CH-4002 Basel, Switzerland e-mail: investors@ciba.com

Shareholder Register

If you have any questions about your shareholdings, then please address them to:

Roland Zurbach Tel:  +41 62 311 6132 Fax: +41 62 311 6192 e-mail: office@sag.ch	Mailing Address: Ciba Holding Inc. Share Register c/o SIX SAG AG Postfach CH-4601 Olten