4iG Nyilvánosan Működő Részvénytársaság

Legal Proceedings Report • Jan 9, 2026

Extraordinary Announcement of 4iG PLC

on a fine imposed on a subsidiary

4iG Plc. ("4iG") hereby informs its Esteemed Investors as well as the participants of the financial and capital markets that in a decision dated 8 January 2026, the Hungarian Competition Authority has imposed a fine on One Hungary Ltd. (registered seat: 1112 Budapest, Boldizsár utca 2, .; company registration number: 01-10-044159, hereinafter the "Company") – owned by 4iG ComCo Holding Ltd. (registered seat: 1013 Budapest, Krisztina körút 39; company registration number: 01-10-142446), a subsidiary majority-owned by 4iG – for a communication practice commenced in October 2022 under the previous owner's management and continued until May 2024. This practice failed to adequately inform consumers about the inflation-linked fee adjustments of the Company's tariffs and was subsequently found misleading and unlawful by the Hungarian Competition Authority.

The press release of the Hungarian Competition Authority is available in Hungarian at the following link:

https://www.gvh.hu/sajtoszoba/sajtokozlemenyek/2025-os-sajtokozlemenyek/a-vodafonenem-tajekoztatott-megfeleloen-az-inflaciokoveto-dijkorrekciorol

The decision of the Hungarian Competition Authority is available below in Hungarian:

https://www.gvh.hu/dontesek/versenyhivatali\_dontesek/dontesek-2024/vj-26202497

Budapest, 9 January 2026

4iG Plc.

4iG PLC

Mailing address: H-1037 Budapest, Montevideo u. 8.

Phone: +36 1 270 7600 Fax: +36 1 270 7679 Email: IR@4ig.hu Internet: www.4ig.hu