Disclosure of shareholdings

According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces, that Barclays Plc & its subsidiaries¹, 1 Churchill Place, London, E14 5HP, United Kingdom hold less than 3% of total capital and voting rights as of July 11, 2008 due to a sale of shares.

Contact person at Barclays Plc: Geoff Smith, Barclays Compliance, phone: +44 207 116 2913, fax: +44 207 116 7665.

¹ Subsidiaries of Barclays Plc:

• Barclays Global Investors Japan Ltd, Ebisu Prime Square Tower, 1-1-39 Hiroo, Shibuya-ku,Tokyo 150-8402, Japan
• Barclays Global Investors Ltd, 1 Churchill Place, London E14 5HP, United Kingdom
• Barclays Bank Plc, 1 Churchill Place, London E14 5HP, United Kingdom
• Barclays Global Investors (Deutschland) AG, Max-Joseph Strasse 6, 80333 Munich, Germany
• Barclays Global Investors NA, 400 Howard Street, San Francisco, CA 94105-2618, USA
• Barclays Global Fund Advisors, 400 Howard Street, San Francisco, CA 94105-2618, USA
• Barclays Global Investors Canada Ltd, BCE Place, 161 Bay Street, Suite 2500, Box 614, Toronto ON M5J 2S1, Canada