ANNOUNCEMENT

2017 FOURTH QUARTER AND FULL YEAR FINANCIAL RESULTS UNDER IFRS TO BE

RELEASED ON FEBRUAY 22, 2018

ATHENS, Greece - January 26, 2018 - Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET:HLTOY), the Greek telecommunications provider, announces that it will release its fourth quarter and full year 2017 financial results under IFRS on Thursday, February 22, 2018.

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://ote.irwebpage.com/conference_calls/

About OTE

The OTE Group is the largest telecommunications provider in the Greek market and one of the leading telecom groups in Southeast Europe with presence in Greece, Romania and Albania. OTE is among the largest listed companies, with respect to market capitalization, in the Athens Stock Exchange.

OTE Group offers the full range of telecommunications services: from fixed-line and mobile telephony, broadband services, to pay television and ICT solutions. In addition to its core telecommunications activities, the Group is also involved in maritime communications, real-estate and professional training.

Additional Information is also available onhttps://www.cosmote.gr.

FOR FURTHER INFORMATION:

OTE GROUP INVESTOR RELATIONS Τel. +30 210-6111574

E-mail:iroffice@ote.gr Fax: +30 210-6111030

OTE - Hellenic Telecommunications Organization SA published this content on 26 January 2018 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 26 January 2018 08:54:06 UTC.

Original documenthttps://www.cosmote.gr/fixed/documents/10280/240491447/26001018_PR_ENG_Q4_2017_links.pdf/a02a708b-2c2a-4d23-a266-d8925cb62ff5

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