This excerpt taken from the NVS 6-K filed Feb 9, 2006.
Appointment of proxy
Pursuant to Article 15 paragraph 2 of the Articles of Incorporation, a shareholder of Novartis AG may only be represented by his or her legal representative, another shareholder with the right to vote, the Institutional Representative (Novartis AG), the Independent Proxy lic. iur. Peter Andreas Zahn, St. Jakobs-Strasse 7, P.O. Box 2879, 4002 Basel, Switzerland, or a depositary representative (please use the instrument of proxy on the reverse of the registration card or on the ticket of admission).
Please note that family members who are not themselves shareholders cannot be appointed as proxies.