Purchase of own shares

Hellenic Telecomms Organization S A

17 August 2026

Athens, August 17, 2026 - Hellenic Telecommunications Organization S.A, ("OTE" or the "Company"), announces that, during 11/08/2026-14/08/2026, it purchased 262,106 own shares, in the context of the Own Share Buy Back Programme for 2026, as follows: 

Date	Number of shares	Total amount (€)	Average  price (€)	Lowest price (€)	Highest price (€)
11/8/2026	93,006	1,830,085.34	19.67710	19.57	19.75
12/8/2026	86,600	1,709,095.78	19.73550	19.55	19.90
13/8/2026	60,000	1,184,123.75	19.73540	19.65	19.83
14/8/2026	22,500	445,761.80	19.81160	19.76	19.85
Total	262,106	5,169,066.67	19.72128

Following this, the Company holds 2,289,605 own shares or 0.581% 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

E-mail: iroffice@ote.gr

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