2012 THIRD QUARTER RESULTS UNDER IFRS TO BE RELEASED

ON NOVEMBER 9, 2012

ATHENS, Greece – October 11, 2012 – Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET:HLTOY), the Greek full-service telecommunications provider, announces that it will release its 2012 third quarter results under IFRS on Friday, November 9, 2012.

OTE's management will host a conference call at 16:00 (GREECE) / 15:00 (CONTINENT) / 14:00 (UK) /09:00 (EASTERN US) following the release, to review the results.

Details regarding conference call dial-in and replay numbers as well as the live audio webcast of the conference call, following the results release, will follow.