Credit Suisse Funds AG holds less than 3% of Sonova Holding AG

Staefa (Switzerland), November 23, 2012 - According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces that Credit Suisse Funds AG, Kalandergasse 4, 8045 Zurich, Switzerland, holds less than 3% of total capital and voting rights as of November 15, 2012 due to a sale of shares.

Contact person at Credit Suisse Funds AG:

Pascal Näf

Credit Suisse AG

Large Shareholding Reporting CH&DE, YCTS 2

Giesshübelstrasse 62

8045 Zurich, Switzerland

Telephone +41 44 334 79 53, Fax +41 44 333 94 54.

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