Buyback of own shares

ATHENS, Greece - April 29, 2013 - Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET: HLTOY), the Greek full-service telecommunications provider, announces that in the framework of the implementation of the approved, by the General Meeting of Shareholders, Stock Option Plan for executives of the Company and its subsidiaries in Greece and abroad, OTE SA intends to buyback own shares during the period from 29.04.2013 to 13.05.2013. According to the 23.06.2011 resolution of the General Meeting of Shareholders and the nr 870050/29-04-2013 CEO's decision, OTE will purchase up to 505,390 shares, depending on the number of the exercised by the beneficiaries vested rights, namely about 0,103% of the outstanding issued share capital of the Company, at a maximum purchase price of 10€ per share and a minimum purchase price of 3€ per share.

The purchases will be made in accordance with the terms of Regulation 2273/2003 of the Commission of the European Communities and will not exceed 25% of the average daily trading volume of the shares.

OTE Group is Greece's leading telecommunications organization and one of the pre-eminent players in Southeastern Europe, providing top-quality products and services to its customers.

Apart from serving as a full service telecommunications group in the Greek telecoms market, OTE Group has also expanded during the last decade its geographical footprint throughout South East Europe, having acquired a stake in the incumbent telecommunications company of Romania and establishing mobile operations in Albania, Bulgaria and Romania. At present, companies in which OTE Group has an equity interest employ more than 27,000 people in four countries, and our portfolio of solutions ranges from fixed and mobile telephony to Internet applications, satellite, maritime communications and consultancy services.

Listed on the Athens Stock Exchange, the company trades under the ticker HTO. Following OTE's delisting from NYSE, OTE ADSs (American Depositary Shares) trade in the OTC (Over The Counter) market under the ticker HLTOY.

Additional Information is also available on: https://www.ote.gr/web/guest/corporate/ir 

Contacts:

OTE: Dimitris Tzelepis - Head of Investor Relations

Tel: +30 210 611 1574, Email: dtzelepis@ote.gr 

Maria Kountouri - Assistant to the Head of Investor Relations

Tel: +30 210 611 5381, Email: mkountouri@ote.gr 

Kostas Maselis - Senior Financial Analyst, Investor Relations

Tel: +30 210 611 7593, Email: kmaselis@ote.gr

Sofia Ziavra - Financial Analyst, Investor Relations

Tel: +30 210 611 8190, Email: sziavra@ote.gr

Christina Hadjigeorgiou - Financial Analyst, Investor Relations

Tel: +30 210 611 1428, Email: cchatzigeo@ote.gr

Eftychia Tourna - Communications & Regulatory Affairs Officer, Investor Relations

Tel: +30 210 611 7236, Email:etourna@ote.gr

Eleni Agoglossaki - Communications & Regulatory Affairs Officer, Investor Relations

Tel: +30 210 611 7880, Email: eagoglossak@ote.gr