(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 
« START » 
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. 
– End – 
Contacts Michael Isaac Media Relations Phone +41                
58 928 33 24 Mobile +41                                
79 420 29 56                                           
Email Thomas                  
Bernhardsgruetter Investor Relations Phone +41         
58 928 33 44 Mobile +41                                
79 618 28 07 Email 
Nicole Mueller Investor Relations Phone +41            
58 928 33 22 Email           
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 ( 
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):  
« END » 
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