Investor Relations - 15.07.2026

Announcement of ex-dividend date / dividend payment date

Announcement – Regulated information

July 15, 2026

Public Power Corporation S.A. (the “Company”), in accordance with article 4.1.1 of the Euronext Athens Regulation, announces the following:

The Annual Ordinary General Meeting of the Shareholders of the Company, held on June 22nd, 2026, resolved, among others, to distribute a dividend in the amount of sixty eurocents (€0.60) per share, which takes into account the exclusion of 7,725,454 own shares acquired by the Company and that are not entitled to a dividend. It is noted that according to the tax provisions in effect, the dividend to be distributed is subject to a 5% withholding tax (with the exception or differentiation of such withholding amount for shareholders falling under special provisions). Therefore, the net amount of dividend to be paid to shareholders will be fifty-seven eurocents (€0.57) per share.

The ex-dividend date has been set to July 20th, 2026 and payment of the dividend to the beneficiaries shall commence on July 24th, 2026. The beneficiaries of the dividend are the shareholders registered in the records of the Dematerialised Securities System (DSS) of the “Euronext Securities Athens” on July 21st, 2026 (record date).

Payment of the dividend shall be effected through ALPHA BANK, as follows:

a) Through the operators of the beneficiaries in the DSS (Banks and Brokerage Firms), in accordance with the Rulebook of the Euronext Securities Athens.

b) Especially in cases of dividend payment to heirs of deceased beneficiaries, whose securities are kept in the Special Account of their Share in the DSS under the management of Euronext Securities Athens, dividend payment process will be carried out through ALPHA BANK, after the completion of the heirs’ legalization by Euronext Securities Athens, for five (5) years from the end of this year (until December 31st, 2031).

Dividends which will not be collected within five (5) years from the end of this year, namely until December 31st, 2031, will be written off and transferred to the Greek State.

For additional clarifications or information, please contact the Company’s Shareholders’ Service Unit/Investor Relations Division (Tel.: +30 210 5293207, +30 210 5230951).