Hellenic Telecommunications Organization S.A.

Director's Dealing • Nov 19, 2025

National Storage Mechanism | Additional information

RNS Number : 1857I

Hellenic Telecomms Organization S A

19 November 2025

Announcement of Regulated Information

Αthens, November 19, 2025 - Hellenic Telecommunications Organization S.A. ("OTE" or the "Company") announces that in the context of ''OTE Shares Award'' Program, Mr. Charalampos Mazarakis, Chief Financial Officer OTE Group, according to his transaction notification to the Company dated 18.11.2025, on the same day (18.11.2025) purchased 4,170 shares of OTE (LEI ELPUFM0XZRZO4LFXW404), at an average price of €16.7100 for a total value of €69,680.70.

The announcement is issued as a Regulated Information, in accordance with Law 3556/2007, [article 3, par. 1 (p) and article 21] and Regulation No 596/2014 (article 19) of the European Parliament and of the Council on market abuse.

FOR FURTHER INFORMATION:

OTE GROUP INVESTOR RELATIONS

Tel. +30 210-6117364, +30 210-6332342

E-mail: [email protected]

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