Αthens, December 11, 2018 – Hellenic Telecommunications Organization S.A. (“OTE S.A.” or the “Company”) announces that Mr. Kostas Nebis, currently Chief Commercial Officer Consumer Segment of OTE Group, will leave the Company effective March 31, 2019. As of April 1, 2019, Mr.Nebis will assume the position of President of the Management Board and Chief Executive Officer of Hrvatski Telekom d.d., a subsidiary of Deutsche Telekom AG in Croatia.

The announcement is issued as a Regulated Information, in accordance with Law 3556/2007, [article 3, par. 1 (k) and article 21] and Regulation No 596/2014 (article 17) of the European Parliament and of the Council on market abuse.