FINANCIAL CALENDAR 2020

Athens, February 3, 2020 – Hellenic Telecommunications Organization S.A. (“OTE” or the “Company”) announces, its 2020 Financial Calendar, pursuant to paragraphs 4.1.2.(1)(b) and 4.1.3.15.1 of the Athens Exchange Rulebook, according to which:

1. The Annual Stand Alone and Consolidated Financial Statements for the fiscal year 2019, prepared in accordance with the I.F.R.S, together with the table with the financial data and information deriving from said Financial Statements, will be released on Wednesday, February 19, 2020 on the Company's website (https://www.cosmote.gr/cs/otegroup/en/investor_relations.html) and on the website of the Athens Exchange and will be published on the press on the day following their release.
2. The analysts' briefing on the full year 2019 financial results will take place on Wednesday, February 19, 2020.
3. The Ordinary General Meeting of the Company's Shareholders will take place on Wednesday, June 24, 2020 at OTE S.A. headquarters, 99 Kifissias Av., Maroussi, Athens.
4. The ex-dividend date will be Thursday, July 9, 2020. On that date, Company shares will be trading without the dividend right for year 2019. The ex-dividend date precedes the expiry of derivatives (July series).
5. Beneficiaries of said dividend are those registered as Company's Shareholders on Friday, July 10, 2020 (Record Date).
6. Dividend payment will start on Wednesday, July 15, 2020.

It is noted that: (i) the Company reserves the right to alter the above dates after timely informing investors of the amendment hereof and (ii) the Ordinary General Meeting of the Company's Shareholders is entitled to resolve differently on the above matters, in accordance with applicable legislation and the Athens Exchange Rulebook.