Board Committee Composition

24 March 2026

Gamma Communications plc

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Board Committee Composition

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Gamma Communications plc ("Gamma" or "the Group"), a leading European provider of business-critical communications technology, announces that the Nomination Committee has recommended, and the Board has approved, changes to the composition of the Board's committees with immediate effect. The membership of all committees is set out below. Rachel Addison remains the Senior Independent Director and Martin Hellawell the Workforce Engagement Director.

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Enquiries:

Gamma Communications plc

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

Bill Castell, Chief Financial Officer

Rachael Matzopoulos, Company Secretary              [email protected]

Teneo (financial communications advisor)

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

About Gamma

Gamma is a leading European provider of business-critical communications technology. Our extensive channel partner network connects major technology vendors with hundreds of thousands of SMEs, and we deal directly with large corporates and the public sector. Gamma combines its proprietary solutions with leading third-party cloud platforms, its own telecoms network and a high quality of service, to help customers communicate and collaborate more effectively.

Our broad and expanding portfolio - including cloud communications software (telephony, messaging, video, AI-driven customer experience), calling and network connectivity (including security) - enables customers of any size to deploy end-to-end communications and IT solutions via a single provider.

In mainland Europe, Gamma has its largest presence in Germany, delivering services to SMEs through both partners and its own self-service digital platform, and is recognised as one of the country's leading cloud communications providers.

Gamma Business serves UK SMEs via an extensive network of over 1,500 channel partners and its Service Provider business provides international calling capabilities for global communications platform and service providers.

For larger corporate and public sector organisations, Gamma Enterprise engages directly to design and support complex, integrated communications solutions.

With over 2,000 employees, Gamma is a FTSE 250 company listed on the London Stock Exchange (ticker: GAMA). More information can be found at: gammagroup.co