Disclosure of IHAG interests in accordance with stock market rules

Pfäffikon SZ, September 8, 2005 − IHAG Holding AG, Bleicherweg 18, 8002 Zurich, announced that it and its majority shareholder, Ms. Hortense Anda-Bührle, Zollikerstrasse 178, 8008 Zurich, together held 1,683,281 or 11.90% of the registered shares of Unaxis Holding AG. According to a further announcement by IHAG-Holding AG, on September 5, 2005, the voting rights held by IHAG and its majority shareholder, Ms. Hortense Anda-Bührle, fell beneath the 5% threshold level. Representative of the aforementioned shareholders is Mr. Bernhard Müller, c/o IHAG Holding AG, Bleicherweg 18, 8002 Zurich.