Disclosure of shareholding

In accordance with Art 20 of the Federal Act on Stock Exchanges and Securities, Ascom Holding AG received the following notification:

The group consisting of

1. The Trident European Fund, PO Box, Uglan House, George Town, Cayman Islands
2. Cycladic Capital Mgt. Ltd, 7 Clifford Street, London, UK
3. Modulus Europe Ltd, PO Box 309, George Town, Cayman Islands

has been dissolved.

Ascom Holding AG

About Ascom
Ascom is an international solution provider with comprehensive technological know-how. In future the company aims to concentrate on the core areas of Wireless Solutions (high-value, customer-specific on-site communications solutions) and Security Solutions (applications for security, communication, automation and control systems for infrastructure operators, public security institutions and the army).

The Special Products Division covers the activities of Network Integration (network solutions for the data/voice convergence market) in Italy and Payphones (specialised products for voice traffic). Discontinued operations primarily comprise Transport Revenue (revenue collection, parking and toll systems) and Network Integration Switzerland, Belgium and Germany.

With a wealth of experience in implementing complex projects for discerning customers, Ascom has established itself in important key markets. Offerings range from analysis and consulting to system design and system integration, project management, engineering and implementation, right through to maintenance and support. The company has subsidiaries in 22 countries and a workforce of some 3,500 employees worldwide. Ascom registered shares (symbol ASCN) are listed on the SWX Swiss Exchange in Zurich.

THIS DOCUMENT DOES NOT CONSTITUTE AN OFFER OR SOLICITATION TO SUB-SCRIBE FOR, PURCHASE OR SELL ANY SECURITIES. THIS DOCUMENT IS NOT BEING ISSUED IN THE UNITED STATES OF AMERICA OR THE UNITED KINGDOM AND SHOULD NOT BE DISTRIBUTED IN ANY JURISDICTION IN A MANNER WHERE SUCH DISTRIBITION WOULD NOT COMPLY WITH REGULATORY REQUIREMENTS. IN PARTICULAR, THIS DOCUMENT MAY NOT BE DISTRIBUTED INTO THE UNITED STATES, TO UNITED STATES PERSONS OR TO PUBLICATIONS WITH A GENERAL CIRCULATION IN THE UNITED STATES. IN ADDITION, THE SECURITIES OF ASCOM HAVE NOT BEEN AND WILL NOT BE REGISTERED IN ANY JURISDICTION OUTSIDE SWITZERLAND. THE SECURITIES OF ASCOM MAY NOT BE OFFERED, SOLD OR DELIVERED AND NO SOLICITATION TO PURCHASE SUCH SECURITIES MAY BE MADE WITHIN THE UNITED STATES OR TO U.S. PERSONS ABSENT AN APPLICABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE UNITED STATES SECURITIES LAWS OR WITHIN ANY OTHER JURISDICTION AND IN A MANNER WHERE SUCH OFFER, SALE, DELIVERY OR SOLICITATION MIGHT NOT BE IN COMPLIANCE WITH REGULATORY REQUIREMENTS (INCLUDING THE UNITED KINGDOM).