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T.Rowe Price Associates, Inc. holds 3.00% of Sonova Holding AG

According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces that T.Rowe Price Associates, Inc., 100 East Pratt Street, Baltimore, MD 21202 USA, holds 2,003,478 registered shares with a par value of CHF 0.05 as of October 9, 2012 due to acquisition of securities. This corresponds to 3.00% of total capital and voting rights.



Contact person at T.Rowe Price Associates, Inc.:

Dorothy Jones, Assistant Vice President, T.Rowe Price Associates, Inc.

100 East Pratt Street

Baltimore, MD 21202 USA

Phone: 410-345-6603, Fax: 410-345-2035



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