Hellenic Telecommunications Organization : Announcement of regulated information – Sale of 5% stake of OTE S.A. Revision

Announcement of Regulated Information

Amendment

Αthens, June 4, 2018 - Hellenic Telecommunications Organization S.A. ("OTE S.A." or the "Company") announces that:

Οn 31st May 2018, Deutsche Telekom AG and the Hellenic Republic, notified OTE S.A. that on 30/05/2018 the Hellenic Republic Asset Development Fund S.A. ("HRADF", a company 100% owned by the Hellenic Republic through the Hellenic Holding and Property Company S.A.) sold and Deutsche Telekom AG acquired a 5% stake of the Company, equivalent to 24,507,520 common registered shares and their corresponding voting rights. The transaction took place through the Athens Stock Exchange for a consideration of €284,051,959.81.

Following the aforementioned sale, the direct and indirect participation of HRADF in the share capital of OTE S.A has been eliminated, while the participation of Deutsche Telekom AG in the share capital of OTE S.A. now stands at 45%, equivalent to 220,567,676 common registered shares and to corresponding voting rights of the Company. In addition, following the aforementioned sale, the Hellenic Republic now holds directly 4,901,507 common registered shares with the corresponding voting rights of the Company (i.e. 1%) and indirectly, through the Unified Social Insurance Fund (EFKA), 19.606.015 common registered shares with the respective voting rights of the Company (i.e. 4%).

This announcement is issued as a Regulated Information, in accordance with Law 3556/2007.

FOR FURTHER INFORMATION:

OTE GROUP INVESTOR RELATIONS Konstantinos Krokos

Manager/ Department of Financial Communication & Relations with Regulatory Authorities

Τel. + 30 210-6111121

Fax: + 30 210-6111030 E-mail:iroffice@ote.gr