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Disclosure of shareholdings

02/04/2010

BlackRock Inc. and its subsidiaries hold 3.05% of Sonova Holding AG

According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces that BlackRock Inc. and its subsidiaries1, 40 East Street, New York, 10022, USA, hold 2,000,760 registered shares with a par value of CHF 0.05 as of January 29, 2010 due to acquisition of securities. This corresponds to 3.05% of total capital and voting rights.

 

Contact person at BlackRock Investment Management Ltd.: Stuart Watchorn, phone: +44 207 743 5741, fax: +44 207 743 1000.

 

1Subsidiaries of BlackRock Inc.:

 

BlackRock Asset Management Australia Limited

Level 43, Grosvenor Place, 225 George Street

Sydney, NSW 2000 - Australia

 

BlackRock Asset Management Japan Limited

Marunouchi Trust Tower Main, -8-3 Marunouchi, Chiyoda-ku

Tokyo 100-8217 - Japan

 

Blackrock Advisors UK Ltd.

Murray House, 1 Royal Mint Court

London, EC3N 4HH - United Kingdom

 

BlackRock Institutional Trust Company, N.A.

400 Howard Street

San Francisco, CA, 94105-2618 - USA

 

BlackRock Funds Advisors

400 Howard Street

San Francisco, CA 94105 – USA

 

BlackRock Asset Management Canada Limited

161 Bay Street, Suite 2500

Toronto, Ontario M5J 2S1 - Canada

 

BlackRock Capital Management Inc.

100 Bellevue Parkway

Wilmington DE 19809 - USA

 

BlackRock Investment Management LLC.

800 Scudders Mill Road

Plainsboro NJ 08536 - USA

 

BlackRock Investment Management (Australia) Limited

Level 43, Grosvenor Place, 225 George Street

Sydney, NSW 2000 - Australia

 

BlackRock Investment Management (Dublin) Ltd.

First Floor, Fitzwilton House, Wilton Place

Dublin, 2 - Ireland

 

BlackRock Investment Management (LUX)

6D, Route de Trèves

Senningerberg, L-2633 - Luxembourg

 

BlackRock Fund Managers Ltd.

33 King William Street

London, England EC4R 9AS - United Kingdom

 

BlackRock International Ltd.

40 Torphichen Street

Edinburgh, Scotland, EH3 8JB - United Kingdom

 

BlackRock Investment Management (UK) Ltd.

33 King William Street

London, England, EC4R 9AS - United Kingdom