SONOVA SAYS DISTRICT ATTORNEY TO HALT INSIDER TRADING PROBE

(The following press release from Sonova Holding AG was received by e-mail. The sender verified the statement.)

::: Swiss Wire ::: ________________________________________________________________________

Time: 23. Nov 2012 09:55:00 CET Company: Sonova Holding AG ISIN: CH0012549785 Ticker: SOON

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Media Release

District Attorney intends to conclude insider trading investigation

Staefa (Switzerland), 23.11.2012 – Sonova takes note that the District Attorney of the Canton of Zurich intends to discontinue all criminal proceedings against certain former and current directors and officers of the company. Sonova is not directly affected as the investigation concerned private individuals.

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Contacts Michael Isaac Media Relations Phone +41

58 928 33 24 Mobile +41

79 420 29 56

Email michael.isaac@sonova.com Thomas

Bernhardsgruetter Investor Relations Phone +41

58 928 33 44 Mobile +41

79 618 28 07 Email thomas.bernhardsgruetter@sonova.com

Nicole Mueller Investor Relations Phone +41

58 928 33 22 Email nicole.mueller@sonova.com

Disclaimer This Media Release may contain forward-looking statements which offer no guarantee with regard to future performance. These statements are made on the basis of management’s views and assumptions regarding future events and business performance at the time the statements are made. They are subject to risks and uncertainties including, but not confined to, future global economic conditions, exchange rates, legal provisions, market conditions, activities by competitors and other factors outside the company’s control.

About Sonova Sonova Holding AG, headquartered in Staefa, Switzerland, is the leading manufacturer of innovative hearing care solutions. The group operates through its three core business brands Phonak, Unitron, Advanced Bionics. Sonova develops and distributes advanced hearing care solutions such as hearing instruments, cochlear implants, wireless communication systems for audiological applications as well as professional solutions for hearing protection. With the most extensive product portfolio and the highest R&D investment in the industry, Sonova aims to be the recognized innovation leader in the global hearing care market. Present across the globe in over 90 countries, and with a workforce of over 8,000 dedicated employees, Sonova generated sales of CHF 1,62 billion in the financial year 2011/12 and a net profit of CHF 246 million. A focused corporate strategy drives Sonova sustainably further in a growing and still significantly under-penetrated market. Founded in 1947, the company has been devoted to promoting better understanding and communication for over 65 years, thus considerably improving people’s hearing ability and speech intelligibility and thereby their quality of life.

For more information please visit www.sonova.com (http://www.sonova.com).

Sonova shares (ticker symbol:SOON) have been listed on the SIX Swiss Exchange since 1994. The securities of Sonova have not been and will not be registered under the U.S. Securities Act and may not be offered or sold in the United States of America except pursuant to an exemption from the registration requirements under the U.S. Securities Act, or outside the United States of America in reliance on Regulation S under the U.S. Securities Act.

* Media Release (PDF): http://e2.marco.ch/publish/sonova/339_1085/20121123_DA__EN_Final.pdf

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