Αthens, March 13, 2008 ? Hellenic Telecommunications Organization SA (ASE: HTO, NYSE: OTE), the Greek full-service telecommunications provider, will release its 2007 fourth quarter results under IFRS on Thursday, March 20, 2008.

OTE's management will host a conference call at 17:00 (GREECE) / 16:00 (CONTINENT) / 15:00 (UK) /11:00 (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, can be accessed at www.ote.gr,www.ote.gr/english/investorrelations or www.ote.gr/greek/investorrelations