Hellenic Telecommunications Organization S.A.

Transaction in Own Shares • Oct 6, 2025

National Storage Mechanism | Additional information

RNS Number : 1828C

Hellenic Telecomms Organization S A

06 October 2025

Announcement

Purchase of Own Shares

Athens , October 06, 2025 - Hellenic Telecommunications Organization S.A, ("OTE" or the "Company"), announces that, during 29/09/2025 - 03/10/2025, it purchased 409,748 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 (€)
29/9/2025	81,885	1,328,561.38	16.22472	16.18	16.27
30/9/2025	83,553	1,351,756.22	16.17843	16.08	16.27
1/10/2025	76,673	1,250,375.48	16.30790	16.18	16.43
2/10/2025	81,400	1,320,249.05	16.21928	16.07	16.34
3/10/2025	86,237	1,385,421.68	16.06528	15.97	16.13
Total	409,748	6,636,363.81	16.19621

Following this, the Company holds 5,133,409 own shares or 1.271% 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: [email protected] , [email protected]

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