FIL Limited holds less than 3% of Sonova Holding AG

Stäfa (Switzerland), 24.03.2011 - According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces, that FIL Limited (“FIL”), Pembroke Hall, 42 Crow Lane, Hamilton, Bermuda, and its direct and indirect subsidiaries hold less than 3% of total capital and voting rights as of March 17, 2011 due to a sale of shares.

FIL is an investment adviser which provides investment advisory and management services to a number of non-U.S. investment companies or Instrument trusts (the “International Funds”) and certain institutional investors.

Contact person at FIL: Michael Hepworth, Regulatory Reporting Senior Manager

Email: fil-regreporting@fil.com, Fax: +44 1737 837 450

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