Harding Loevner LP holds 3.02% of Sonova Holding AG

According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces that Harding Loevner LP¹, 400 Crossing Boulevard, Fourth Floor, Bridgewater, NJ 08807, USA, holds 2,010,767 registered shares with a par value of CHF 0.05 as of June 1, 2012 due to acquisition of securities. This corresponds to 3.02% of total capital and voting rights.

Contact person at The Capital Group Companies, Inc.:

Lori Renzulli, Chief Compliance Officer, 400 Crossing Boulevard, Fourth Floor, Bridgewater, NJ 08807, USA, phone +1 908 947 0113, fax +1 908 218 1915.

¹Ultimate Owner of Harding Loevner LP (approx. 61% equity interest):

Affiliated Managers Group, Inc.

600 Hales Street

Prides Crossing, MA 01965

USA

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