Athens, February 23, 2024 - Hellenic Telecommunications Organization S.A. ("OTE" or the "Company"), announces that:

In line with the Company's Shareholder Remuneration Policy, as approved by the competent bodies, the Company intends to launch an own share buyback program, starting on 26.2.2024. The program will be executed during the period 26.2.2024 to 21.01.2025 and its size is targeted at approximately €153 million. The precise amount and number of shares that will be eventually purchased depends on the share price and liquidity during this period.

Morgan Stanley Europe SE will lead-manage, at its discretion, the Own Share Buy Back Programme during this period.

Own shares will be purchased exclusively for cancellation following a Shareholders' General Meeting resolution and under the terms of the legal and regulatory framework in force.

It is noted that the Company currently holds 1,926,507 own shares, acquired in the context of implementation of 2023 Share Buy Back Programme, which it intends to cancel following the approval of the next Shareholders General Meeting.

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.

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