ANNOUNCEMENT

SECOND QUARTER 2014 RESULTS UNDER IFRS TO BE RELEASED ON AUGUST 7, 2014

ATHENS, Greece - July 16, 2014 - Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET:HLTOY), the Greek full-service telecommunications provider, announces that it will release its second quarter 2014 results under IFRS on Thursday, August 7, 2014.

OTE's management will host a conference call at 17:00 (GREECE) / 16:00 (CONTINENT) / 15:00 (UK) /10:00 (EASTERN US) following the release, to review the results.

Details regarding the conference call dial-in and replay numbers as well as the live audio webcast of the conference call, following the results, can be accessed at: https://www.ote.gr/web/guest/corporate/ir

About OTE

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.
Consisting of the parent company OTE S.A. and its subsidiaries, the Group offers fixed-line (voice, broadband, data and leased lines) TV and mobile telephony services in Greece and Romania, as well as mobile telephony services in Albania. The Group is also involved in a range of activities in Greece, notably in real-estate and
professional training.
OTE is listed on the Athens Stock Exchange and the London Stock Exchange. Following OTE's delisting from the NYSE, OTE's ADSs (American Depositary Shares) trade in the OTC (Over the Counter) market under the ticker HLTOY through the Level I ADSs program.
Additional Information is also available on https://www.ote.gr.

Contacts:

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.grSofia Ziavra - Financial Analyst, Investor Relations Tel: + 30 210 611 8190, Email: sziavra@ote.gr
Daria Kozanoglou - Senior Communications & Regulatory Affairs Officer, Investor Relations
Tel: +30 210 611 1121, Email: nkozanoglou@ote.gr
Eleni Agoglossaki - Communications & Regulatory Affairs Officer, Investor Relations

Together, we are one.

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

Manousos Apostolakis - Communications & Regulatory Affairs Officer,Investor Relations

Tel: +30 210 611 6418,Email: mapostolakis@ote.gr

distributed by