Athens, February 22, 2019 – Hellenic Telecommunications Organization S.A. (“OTE” or the “Company”), in the context of the implementation for the year 2019 of the approved by the Extraordinary General Meeting of Shareholders of 15/02/2018 Own Share Buy Back Programme, as part of the approved Shareholders Remuneration Policy announces that:

Following a relevant decision of the Board of Directors at the meeting of 20 February 2019, the Company intends to purchase up to 30,000,000 own shares, during the period from 25/2/2019 to 10/2/2020 at a price range between €1 (minimum purchase price) and €30 (maximum purchase price) per share. The maximum amount, expected to be used for the share buyback, during this period, amounts to €135.7 million including expenses. The final amount and the number of shares that will be purchased depend upon the share price and trading volumes during this period.

The Company will engage Morgan Stanley & Co International Plc to lead-manage, at its own discretion, the Own Share Buy Back Programme during the aforementioned 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 today the Company does not hold own shares.

The announcement is issued in accordance with (EE) Regulation No 596/2014 of the European Parliament and of the Council dated 16/4/2014, the (EE) Commission Delegated Regulation 2016/1052 dated 8/3/2016 and the Athens Exchange Rulebook (paragraph 4.1.3.14).