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Disclosure of shareholdings

FMR Corp. holds 5.27% of Sonova Holding AG

According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces, that FMR Corp. (“FMR”), 82 Devonshire Street, Boston, MA 02109, USA holds 3,542,500 registered shares with a par value of 0.05 CHF as of September 25, 2007. This corresponds to 5.27% of total capital and voting rights.


FMR is the parent holding company of Fidelity Management & Research Company (“FMRCO”), investment manager for US mutual funds, and Fidelity Management Trust Company (“FMTC”), a US state chartered bank which acts as a trustee or investment manager of various pension and trust accounts.