Purchase of own shares

Summary by AI ^BETAClose X

Hellenic Telecommunications Organization S.A. announced the purchase of 299,589 own shares between December 15th and December 18th, 2025, as part of its 2025 buyback program, for a total amount of €5,061,651.19. Following these transactions, the company now holds 7,405,921 own shares, representing 1.834% of its total outstanding shares.

Disclaimer*

Hellenic Telecomms Organization S A

19 December 2025

Announcement

Purchase of Own Shares

Athens, December 19, 2025 - Hellenic Telecommunications Organization S.A, ("OTE" or the "Company"), announces that, during 15/12/2025 - 18/12/2025, it purchased 299,589 own shares, in the context of the Own Share Buy Back Programme for 2025, as follows:

Date	Number of shares	Total amount (€)	Average price (€)	Lowest price (€)	Highest price (€)
Date	Number of shares	Total amount (€)	Average price (€)	Lowest price (€)	Highest price (€)
15/12/2025	60,634	1,040,161.00	17.15470	17.06	17.23
16/12/2025	90,231	1,529,195.85	16.94760	16.85	17.08
17/12/2025	98,009	1,639,446.46	16.72751	16.58	16.97
18/12/2025	50,715	852,847.88	16.81648	16.76	16.99
Total	299,589	5,061,651.19	16.89532

Following this, the Company holds 7,405,921 own shares or 1.834% of the total outstanding shares.

The announcement is issued in accordance with Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 and the Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016.

FOR FURTHER INFORMATION:

OTE GROUP INVESTOR RELATIONS

Τel. +30 210 6117364, +30 210 6332342

E-mail: iroffice@ote.gr, eboua@ote.gr

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