Careers About us Investors Contact us Major shareholders In accordance with Art. 120 of the Financial Markets Infrastructure Act, individuals or groups whose shareholdings in Ascom exceed, fall below, or reach certain thresholds are obliged to disclose such information. The stipulated thresholds are 3, 5, 10, 15, 20, 25, 33 1/3, 50 and 66 2/3% of the voting rights. In accordance with the disclosure announcements made, the following parties are regarded as significant shareholders with voting rights exceeding 3% in Ascom: UBS Fund Management (Switzerland) AG, Basel, Switzerland: 7.34% (announcement dated 20 August 2019) Pictet Asset Management SA, Geneva, Switzerland: 5.67% (announcement dated 7 August 2019) Credit Suisse Funds AG, Zurich, Switzerland: 5.18% (announcement dated 22 September 2021) Veraison SICAV - Engagement Fund, Zurich, Switzerland: 4.85% (announcement dated 12 February 2021) Luxempart S.A., Leudelange, Luxemburg: 4.07% (announcement dated 3 November 2020) Swisscanto Fondsleitung AG, Zurich, Switzerland: 3.0065% (announcement dated 17 July 2021) DISCLOSURES OF SHAREHOLDINGS For more details on the disclosures, please visit the SIX Exchange Regulation website. Investors shortcuts Find all relevant Investor Relations links here. Business profile Share information Reports and presentations Financial calendar Annual General Meeting Analyst coverage Shareholder FAQ Subscribe to our financial newsletter Work at Ascom Your OEM partner Investors Mobile devices Software Nurse call and monitoring systems Ascom Holding AG Zugerstrasse 32, CH-6340 Baar, Switzerland Phone: +41 41 544 78 00 Fax: +41 41 761 97 25 E-mail: info@ascom.com ©2021 Ascom Legal Information & Privacy Policy Follow us on

Careers About us Investors Contact us Executive Management Executive Board Jeannine Pilloud Chief Executive Officer Nationality Switzerland Show more Dominik Maurer Chief Financial Officer Nationality Switzerland Show more Further Members of the Executive Committee Gaby Hunziker Chief Human Resources Officer Nationality Switzerland Dr Daniel Lack Company Secretary and Senior VP Legal & Communications/IR Nationality Switzerland Rom Mendel Head of Global Marketing Nationality Denmark / Sweden Jens Sand Andersen Managing Director Nordics Nationality Denmark Kelly Feist Managing Director USA & Canada Nationality USA Olaf Hendriks Managing Director Netherlands Nationality Netherlands Paul Lawrence Managing Director UK Nationality UK Valerio Signorelli Managing Director DACH Nationality Switzerland Download EC Organizational Chart Let's talk Please keep me informed about new publications, solutions, trends or useful information related to this topic. I understand I can unsubscribe at any time. Get in touch By submitting the form you give consent to store your personal data. Work at Ascom Your OEM partner Investors Mobile devices Software Nurse call and monitoring systems Ascom Holding AG Zugerstrasse 32, CH-6340 Baar, Switzerland Phone: +41 41 544 78 00 Fax: +41 41 761 97 25 E-mail: info@ascom.com ©2021 Ascom Legal Information & Privacy Policy Follow us on