This announcement contains inside information.

12 November 2025

Gamma Communications plc

Departure of Chief Financial Officer

Gamma Communications plc ("Gamma"), a leading provider of technology-based communication services across Europe, announces that Bill Castell, Chief Financial Officer, will be leaving Gamma in  2026.

Bill will remain with the Company as Chief Financial Officer and as an Executive Director until 31 March 2026, after which he will take up another executive role at a private equity backed business.  The process to recruit a new Chief Financial Officer is underway and a further announcement will be made in due course.

Andrew Belshaw, Chief Executive Officer, commented: "I've enjoyed working with Bill over the past four years. On behalf of the Board and everyone at Gamma, I'd like to wish him all the best for the future."

Bill Castell, Chief Financial Officer, commented: "It's been a pleasure to work at Gamma. I'd like to thank my colleagues for their support and hard work, and I wish the company every future success."

Enquiries:

Gamma Communications plc

Andrew Belshaw, Chief Executive Officer                       +44 (0)333 006 5972

Rachael Matzopoulos, Company Secretary                     [email protected]

Teneo (financial communications advisor)

James Macey White / Matt Low / Ollie Simmonds           +44 (0) 207 260 2700

Gamma Communications plc is a leading provider of technology-based communication solutions across Europe. With over 2,200 employees and listed on the Main Market of the London Stock Exchange, 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 design, deliver, and support complex, integrated communications solutions.

In Europe, Gamma has its largest presence in Germany, where it operates through a combination of a strong partner network and a self-service digital platform and is now one of the country's leading cloud communications providers, following strategic acquisitions.

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

The Company considers that the information contained in this announcement is inside information for the purposes of Article 7 of Regulation (EU) No 596/2014 (MAR). The person responsible for arranging the release of this announcement on behalf of Gamma is Rachael Matzopoulos.