Extel Awards

OTE RECEIVES BEST FIRM, BEST CFO, BEST IRO AWARDS FOR GREECE

AT THE 2012 EXTEL EUROPE SURVEY

ATHENS, Greece -June 20, 2012 - Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET: HLTOY), announces that its performance was rewarded with high rankings in the 2012 Extel Europe Investor Relations Survey.

OTE was voted by international analysts and investors as the best Firm for Investor Relations in Greece, OTE's Group CFO, Mr. Kevin Copp, was voted the best CFO for Investor Relations, and OTE's IRO, Mr Dimitris Tzelepis was voted the best Investor Relations Professional in Greece, for the year 2012.

The annual Investor Relations Survey from Extel is the largest professional study of its type in the world and represents the views of over 14,000 buyside, brokerage and corporate participants.

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, acquiring stakes in the incumbent telecommunications companies of Romania and establishing mobile operations in Albania, Bulgaria and Romania. At present, companies in which OTE Group has an equity interest employ about 28,900 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:

http://www.ote.gr/portal/page/portal/InvestorRelation/InvestorRelation

Contacts:

OTE: Dimitris Tzelepis - Head of Investor Relations

Tel: +30 210 611 1574, Email: [email protected] 

Maria Kountouri - Assistant to the Head of Investor Relations

Tel: +30 210 611 5381, Email: [email protected] 

Kostas Maselis-Senior Financial Analyst, Investor Relations

Tel: + 30 210 611 7593, Email: [email protected]

Christina Hadjigeorgiou - Financial Analyst, Investor Relations

Tel: +30 210 611 1428, Email: [email protected]

Sofia Ziavra - Financial Analyst, Investor Relations

Tel: + 30 210 611 8190, Email: [email protected]

Daria Kozanoglou - Senior Communications & Regulatory Affairs Officer,

Investor Relations

Tel: +30 210 611 1121, Email: [email protected]

Eftychia Tourna - Communications & Regulatory Affairs Officer, Investor Relations

Tel: +30 210 611 7236, Email: [email protected]

Eleni Agoglossaki- Communications & Regulatory Affairs Officer, Investor Relations

Tel: +30 210 611 7880, Email: [email protected]