25 April 2025

This announcement is an advertisement for the purposes of the Prospectus Regulation Rules of the Financial Conduct Authority and not a prospectus. This announcement does not constitute or form part of, and should not be construed as, an offer for sale or subscription of, or solicitation of any offer to subscribe for or to acquire, any ordinary shares of Gamma Communications plc in any jurisdiction, including in or into the United States, Australia, Canada, Japan, the Republic of South Africa or in any other jurisdiction.

Gamma Communications plc

("Gamma" or "the Group")

Publication of Prospectus

Gamma Communications plc, a leading provider of technology-based communication solutions across Europe, is pleased to announce the publication of a prospectus (the "Prospectus") in relation to the proposed admission of its ordinary shares (the "Ordinary Shares") to the Equity Shares (Commercial Companies) Category of the Official List of the FCA and to trading on the Main Market of the London Stock Exchange (together, "Admission").

It is expected that: (i) Admission will take place at 8.00 a.m. on 2 May 2025; and (ii) the Ordinary Shares will be cancelled from trading on AIM at 8.00 a.m. on 2 May 2025. The last day of trading of the Group's Ordinary Shares on AIM is therefore expected to be 1 May 2025.

Gamma is not offering any new Ordinary Shares nor any other securities in connection with the proposed Admission. Following admission, the Group's Ordinary Shares will continue to be registered with their existing ISIN of GB00BQS10J50 and the TIDM will remain GAMA.

The Group's shareholders should consult their own professional advisers regarding the consequences of Admission.

The prospectus has been approved by the FCA and will shortly be available to view on Gamma's website, https://gammagroup.co/company/investors/main-market-listing/. A copy of the Prospectus will be submitted to the National Storage Mechanism and will be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Notes for editors:

Gamma Communications plc ("Gamma") is a leading provider of technology-based communication solutions across Europe. With approximately 2,200 employees and admitted to trading on AIM, Gamma helps organisations connect and collaborate through solutions including Unified Communications, voice enablement, connectivity, mobile and security.

Gamma's vision is a better-connected world - working smarter for the benefit of businesses, people and the planet. Selling exclusively to businesses and public sector organisations, Gamma's core markets are the UK and Germany, with additional presence in Spain and the Benelux region.

In the UK, Gamma serves SMEs through an extensive network of over 1,500 channel partners (Gamma Business). For larger businesses and public sector organisations, Gamma Enterprise engages directly to sell, deliver, and support more complex, integrated communications solutions. In Germany, Gamma operates through a combination of a self-service digital platform and a strong partner network and is now one of the country's leading cloud communications providers following strategic acquisitions.

For more information about Gamma and its full range of products and services, visit gammagroup.co