Hellenic Telecommunications Organization S.A.

Report Publication Announcement • Oct 19, 2020

National Storage Mechanism | Additional information

RNS Number : 4795C

Hellenic Telecomms Organization S A

19 October 2020

ANNOUNCEMENT

2020 Third Quarter Financial results to be released

on November 12th, 2020

ATHENS, Greece - October 19, 2020 - Hellenic Telecommunications Organization SA (ASE: HTO, OTC MARKET:HLTOY), the Greek telecommunications provider, announces that, on Thursday, November 12, 2020, before the opening of the Athens Exchange, it will release its third quarter financial results under IFRS.

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://ccevent.eu/otegroup/otegroup_q320_invitation.pdf

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 and Romania. 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 on https://www.cosmote.gr.

FOR FURTHER INFORMATION: OTE GROUP INVESTOR RELATIONS Eleni Boua Department of Financial Communication & Relations with Regulatory Authorities Τel. + 30 210-6117364 Fax: + 30 210-6111030 E-mail: iroffice@ote.gr

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.

END

NOREANENFLLEFEA