Hellenic Telecommunications Organization S.A.

Director's Dealing • Nov 20, 2025

National Storage Mechanism | Additional information

RNS Number : 3917I

Hellenic Telecomms Organization S A

20 November 2025

Announcement of Regulated Information

Αthens, November 20, 2025 - Hellenic Telecommunications Organization S.A. ("OTE" or the "Company") announces that in the context of ''OTE Shares Award'' Program, Mr. Ioannis Konstantinidis, Chief Strategy, Transformation & Wholesale Officer OTE Group, according to his transaction notification to the Company dated 20.11.2025, purchased 2,405 shares of OTE (LEI ELPUFM0XZRZO4LFXW404), at an average price of €16.6400 for a total value of €40,019.20 on 19.11.2025.

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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