2013THIRD QUARTER RESULTS UNDER IFRS TO BE RELEASED

ONNOVEMBER 7, 2013

ATHENS, Greece – October08, 2013 –Hellenic Telecommunications Organization SA(ASE: HTO, OTC MARKET:HLTOY), the Greek full-service telecommunications provider, announces that it will release its third quarter 2013 results under IFRS on Thursday, November7, 2013.

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.