Announcement Cancellation & Deletion of Own Shares.

Αthens, July 18, 2025 - Hellenic Telecommunications Organization S.A. ("OTE S.A." or the "Company") announces the following:

As already in public, the Ordinary Shareholders' General Meeting, held on 23/06/2025, decided among other issues, pursuant to article 49 of L. 4548/2018, the cancellation of 8,840,446 own shares, with a nominal value of €2.83 each, with a corresponding reduction of its share capital by €25,018,462.18 and the corresponding amendment of article 5 (Share Capital) of the Company's Articles of Incorporation.

These shares were acquired from 03/06/2024 till 30/04/2025, with an average purchase price of €14.83 within the framework of the Own Share Buy Back Program as approved by the General Shareholders Meeting (meeting of 30/11/2023).

Following this capital reduction due to the cancellation of 8,840,446 shares, the Company's share capital amounts to €1,142,904.349.41 (from €1,167,922,811.59 before the reduction) divided into 403,853,127 registered shares (from 412,693,573 registered shares before the cancellation), with a nominal value of €2.83 each.

The aforementioned amendment of article 5 of the Company's Articles of Incorporation has been approved by virtue of a decision of the Ministry of Development, number 3667656ΑΠ/14.07.2025 which was registered in the General Commercial Registry (G.E.MI.) on 14.07.2025. 

Athex Stock Exchange (ΑΤΗΕΧ) was notified of the abovementioned decrease of share capital due to cancellation of own shares on 17.07.2025.

Following the above, 22.07.2025 has been set as the date for the cancellation and deletion from the Athens Stock Exchange of the aforementioned own shares. From this date on, trading of the aforementioned shares will cease.