Financial Calendar 2026

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Hellenic Telecommunications Organization S.A. has announced its financial calendar for 2026, with key dates including the announcement of full-year 2025 financial results and the publication of the annual financial report on February 26, 2026. The company will also announce its Q1 2026 financial results on May 8, 2026, followed by the Ordinary General Shareholders Meeting on June 9, 2026. Dividend-related dates are set with an ex-dividend date of July 1, 2026, a record date of July 2, 2026, and dividend payment on July 7, 2026. The announcement of first-half 2026 financial results and the corresponding report is scheduled for July 29, 2026.

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Hellenic Telecomms Organization S A

26 January 2026

FINANCIAL CALENDAR 2026

Athens, January 26, 2026 - Hellenic Telecommunications Organization S.A. ("OTE" or the "Company") announces its Financial Calendar for year 2026:

26 February 2026	Announcement of Full Year 2025 Financial Results & Analysts Conference Call Publication of Annual Financial Report 2025
8 May 2026	Announcement of Q1 2026 Financial Results
9 June 2026	Ordinary General Shareholders Meeting
1 July 2026	Ex-dividend date
2 July 2026	Record date
7 July 2026	Dividend payment
29 July 2026	Announcement of 1^st Half 2026 Financial Results & Analysts Conference Call Publication of 1^st Half 2026 Financial Report

The financial results for each reporting period will be posted before the opening of the Athens Stock Exchange trading session, on the Company website (https://www.cosmote.gr/cs/otegroup/en/investor_relations.html) as well as on the website of the Athens Exchange (www.athexgroup.gr).

The Company reserves the right to change the above dates, following relevant notification to the investor community by amending the current calendar. It is noted that dividend distribution and the relevant abovementioned dates, are subject to the approval by the Board of Directors and the Ordinary General Shareholders Meeting.

FOR FURTHER INFORMATION:

OTE GROUP INVESTOR RELATIONS

E-mail: iroffice@ote.gr

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