Announcement of Regulated Information Athens, April 1, 2015 - The Hellenic Telecommunications Organization S.A. (OTE S.A. or the Company), announces that the Company's Board of Directors, elected today as new members, Messers Manousos Manousakis, Vasileios Kafouros, Ioannis Margaris, Athanasios Misdanitis and Konstantinos Christopoulos, in replacement of the resigned members Messers Nikolaos Karavitis, Stylianos Petsas, Theodoros Matalas, Leonidas Filippopoulos, and Christos Kastoris, for the rest of their tenure, namely until the Ordinary General Assembly of Shareholders to be held in the year 2015.

Subsequently, the Board of Directors was formed into a body corporate, pursuant to article
10 par.1 of the Company's Articles of Incorporation and now comprises of:

Michael Tsamaz

Chairman and CEO, executive member

Manousos Manousakis

Vice-Chairman, non-executive member

Charalambos Mazarakis

Executive member

Claudia Nemat

Non-executive member

Klaus Müller

Non-executive member

Raphael Kübler

Non-executive member

Vasileios Kafouros

Independent, Non-executive member

Ioannis Margaris

Independent, Non-executive member

Athanasios Misdanitis

Independent, Non-executive member

Panagiotis Tabourlos

Independent, Non-executive member

Konstantinos Christopoulos

Independent, Non-executive member

CVs

CV of Mr. M. Manousakis

Mr. Manousos Manousakis is the General Secretary in the Ministry of Economy, Infrastructure, Shipping and Tourism. He is a Doctoral (in techniques of diffusion control on nonlinear & DWDM optical networks) and a certificated Electrical and Computer Engineer as well, from National Technical University of Athens. From 2006 to 2010 he worked as Engineer for the development of collocation services of telecommunication providers in Directorate General of OTE wholesale, as Project Manager of RUO (Reference Unbundling Offer) project implementation and as Head of Collocation Services Department as well. Mr. Manousakis participated in the network's development and in the development of telecommunication services in Attica Telecommunications S.A and he was also consultant of Ionian University for the construction of metropolitan fiber networks in 4 cities. Moreover he provided consulting services to the Public Power Company of Greece S.A for optical networks issues. The period 2005-2006 he worked as lecturer in University of Piraeus. He participated in the design of awarded by Metro Ethernet Forum metropolitan network Ethernet and in European and Greek research programs as well, while he has published invited paper in Journal of Lightwave Technology.

CV of Mr. V. Kafouros

Dr. Vassileios Kafouros holds a doctorate in Economic Sciences (with specialization in National Economic Programming) from the University of Warsaw, a postgraduate degree (with specialization in Economics) and a BA in Economics from the University of Essex in England. From April of 2010 he is a visiting Associate Professor at the Department of Statistics of Athens University of Economics and Business while from January 1997 he is Senior Research Fellow in the Centre of Planning and Economic Research. During 2003-
2009 he was a visiting Lecturer at the Department of Economics of Athens University. Dr. Kafouros was also a visiting Lecturer at the Department of Health Management (2000-
2001) and at the Department of Business Administration of Athens Technological
Institution (T.E.I.) (2000-2003). During the period 1990-1995 he was Lecturer in the School of Business and Public Administration of Charles Sturt University- Mitchell Australia and in the School of Business Administration of Australian Catholic University, Sydney, Australia.

CV of Mr. I. Margaris

Mr. Ioannis Margaris is an Electrical and Computer Engineer with a PhD from National Technical University of Athens. In 2012 he acquired a post doctorate from the Department of Wind Energy of the Technical University of Denmark (DTU) in which he worked at the same time as a researcher (eq. Assist. Prof.) on Renewable Energy Sources penetration in autonomous and interconnected power systems. Mr. Margaris, is a special advisor at the office of Vice President of Government on Technology and Industrial policy, International Economic Affairs and National Reform Program. From 2006 he is delivering lectures in undergraduate and postgraduate courses of National Technical University of Athens and of Technical University of Denmark on analysis of electricity systems, renewable energy sources and RES integration in modern power systems. During 2007-2008 he worked at the Department of non-interconnected island power systems - Public Power Corporation S.A in Greece where he participated in power system operation and planning studies. He has more than 50 publications in newspapers, magazines and websites related to technology and industrial policy, energy technologies, innovation ecosystems etc. He is a member of Greek Technical Chamber, of ΙΕΕΕ (Institute of Electrical and Electronics Engineers) and of FLOK Society.

CV of Mr. A. Misdanitis

Mr. Athanasios Misdanitis is a special advisor at the office of Vice President of Government, while the period 2013-2015 he was economic analyst and researcher at Vice President's Office of Hellenic Parliament. He is a PhD Candidate in Economics in Department of Applied Mathematics and Physics of the National Technical University of Athens, he has a postgraduate degree (Business Innovation with Entrepreneurship & Innovation Management) from Birkbeck College of London University and he is certificated Economist from Aristotle University of Thessaloniki. He is an economist with solid background in Economics/Finance/Public Policy and experience in working closely with diversified scholars and experts to produce written intelligence papers and briefings for policy makers. Mr. Misdanitis has expert knowledge on the socioeconomic impacts of public policies (legislation, taxes, regulations etc) in Greece and also he is a member of the team which works out the Government's National Reform Program. He has worked as a consultant and analyst in the private sector in start-ups companies in Greece and in Great Britain. Mr. Misdanitis is a member of Greek Economic Chamber.

CV of Mr. K. Christopoulos

Mr. Konstantinos Christopoulos holds a PhD and a postgraduate degree in Economic Development from University Paris I-Pantheon Sorbonne and a degree in Economic Studies from the University of Macedonia as well. He worked with OTE from 1988 until 2014, in various positions in the area of Foreign Investments and Financial Operations. During the period 2007-2013 he was the head of Strategy Planning and Financial Services Department, while in the period 2013-2014 he was the head of Group Corporate Finance Department. Mr. Christopoulos was a member of Board of Directors of: Hellenic Center of Productivity-ELKEPA-(1989-1992), Telekom Serbia (2004-2011) and OTE Estate (2009-
2014). He is the author of the book "Trends of Capital Development in Greece" (Modern
Era publications, 1991), and of articles with subjects: Globalization of Economy, Privatizations, Telecommunications. Mr. Christopoulos is member of the Greek Economic Chamber.

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.

FOR FURTHER INFORMATION: OTE GROUP MERGERS, ACQUISITIONS & INVESTOR RELATIONS

ΤEL. +30 210-6111574

E-mail: esarsentis@ote.gr

FAX: +30 210-6111030

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