Announcement of Regulated Information

Athens, September 28, 2017 - Hellenic Telecommunications Organization S.A. (OTE S.A. or the Company) announces the resignation of Mr. Athanasios Misdanitis, non-executive member of the Board of Directors and member of the Audit Committee of OTE S.A. effective as of 18.09.2017. The Board of Directors decided in yesterday's meeting to continue the management and representation of the Company with the remaining nine (9) members, without an immediate replacement. A new member will be elected by the Board of Directors, in accordance with the Company's Articles of Incorporation. Additionally, the Company's Board of Directors elected the non-executive member of the Board of Directors Mr. Andreas Psathas as replacement in the Audit Committee of the resigned member Mr. Athanasios Misdanitis; following this, the Audit Committee now consists of Mr. Panagiotis Tambourlos (Chairman- Independent Non-executive Member), Mr. Konstatninos Christopoulos (Independent Non-executive Member) and Mr. Andreas Psathas (Non-executive Member).

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

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