Information on telephone number changes

OTHER INFORMATION

about phone number changes

The Gloster Digital Group Public Limited Company (company registration number: 01-10-143270; registered office: 1038 Budapest, Fürdő u. 2.; hereinafter: Company) hereby informs investors of the following in accordance with the relevant legislation, in particular Act CXX of 2001 on the Capital Market (hereinafter: Tpt.), Decree 24/2008. (VIII. 15.) PM on the detailed rules of disclosure obligations relating to publicly traded securities, and the General Business Rules of the Budapest Stock Exchange, hereby informs its esteemed investors of the following.

The Company's telephone number will change as follows:

The new central telephone and fax number is:+ 36 1 / 453 4110

We kindly ask our esteemed investors and partners to use the above contact details for their telephone inquiries in the future. The previous number will remain in use during a transitional period. The Company's other telephone numbers remain unchanged.

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Budapest, 26 September 2025.

Gloster Digital Group Plc.

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Further information:

Dr. Adrienn Karlovich-Szabó

Investor Relations Officer

karlovich.szabo.adrienn@gloster.hu