Hellenic Telecommunications Organization SA (ASE: HTO, NYSE: OTE), the Greek full-service telecommunications provider, announces that it will release its fourth quarter and full year 2008 results under IFRS on Friday, March 27, 2009.

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, will follow.

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.

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 Serbia, and establishing mobile operations in Albania, Bulgaria, the Former Yugoslav Republic of Macedonia and most recently in Romania. At present, companies in which OTE Group has an equity interest employ over 30,000 people in six 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 as well as on the New York Stock Exchange under the ticker OTE. In the U.S., OTE's American Depository Receipts (ADR's) represents ? ordinary share.

Additional Information is also available on http://www.ote.gr.

Contacts:

OTE: Dimitris Tzelepis- Head of Investor Relations Tel: +30 210 611 1574, Email: dtzelepis@ote.gr

Nektarios Papagiannakopoulos - Senior Financial Analyst, Investor Relations Tel: +30 210 611 7593, Email: npapagiannakopoulos@ote.gr Daria Kozanoglou - Senior Communications & Regulatory Affairs Officer, Investor Relations Tel: +30 210 611 1121, Email:

nkozanoglou@ote.gr Christina Hadjigeorgiou - Financial Analyst Tel: +30 210 611 1428, Email: cchatzigeo@ote.gr

Eleni Agoglossaki- Communications & Regulatory Affairs Officer, Investor Relations Tel: +30 210 611 7880, Email: eagoglossak@ote.gr Dimitris Tsatsanis-Financial Analyst Tel: +30 210 6118071, Email: dtsatsanis@ote.gr

Eftychia Tourna- Communications & Regulatory Affairs Officer Investor Relations Tel: +30 210 611 7236, Email: etourna@ote.gr Sofia Ziavra- Financial Analyst Tel: +30 210 6118190, Email: sziavra@ote.gr

Forward-looking statement

Any statements contained in this document that are not historical facts are forward-looking statements as defined in the U.S. Private Securities Litigation Reform Act of 1995. All forward-looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from expectations. The factors that could affect the Company's future financial results are discussed more fully in the Company's filings with the U.S.

Securities and Exchange Commission (the "SEC"), including the Company's Annual Report on Form 20-F for 2007 filed with the SEC on June 24, 2008. OTE assumes no obligation to update information in this release.