Αthens, June 9, 2016 – The Hellenic Telecommunications Organization SA (ASE: HTO; OTC MARKET: HLTOY), announces that as of June 1^st 2016, Mr. Konstantinos Vasilopoulos assumes the position of Executive Director Internal Audit OTE Group.

Mr. Vasilopoulos has a longstanding and proven track record in senior Finance managerial positions, as well as extensive know-how in corporate risk management and control. He has served in OTE Group since 2004 and has held the position of Accounting Director since 2007.

This announcement is published Regulated Information in accordance with Law 3556/2007 [article 3 paragraph 1(f) and article 21], Law 3340/2005 and the relevant Decision of the Hellenic Capital Market Commission.