Disclosure of interests in accordance with stock market rules

Pfäffikon SZ, May 24, 2006 − According to notification received on May 22, 2006, Mr. Rumen Hranov, Goldhaldenstrasse 37, 8702 Zollikon, Switzerland, holds 11.46 % of the voting rights in Unaxis Holding AG: 0.04 % via 6 100 registered shares and 11.42 % via derivatives (namely 7.53 % via 69 600 000 purchase rights with entitlement to 1 065 000 registered shares and 3.89 % via 55 000 short put options).