Announcement – Regulated information

Announcement – Regulated information

September 9, 2025

Public Power Corporation S.A. (“PPC”) announces that in the context of its buy-back programme for the purchase of up to 38,200,000 of its own shares, for the period from 04.08.2025 until 08.09.2025, PPC purchased through transactions in the Athens Exchange, 138,244 Own Shares in total, as follows:

Following the above-mentioned purchases, PPC holds, since 08.09.2025, an aggregate of 18,477,408 own shares, issued by it with  equal voting rights, which correspond to 5.0038 % of the Company’s total paid up share capital.

Following corporate actions and transactions during the current buyback programme  that have already been announced – and which do not change the maximum number of  shares that PPC may purchase – the total number of shares issued by PPC that it may purchase until the termination or the conclusion of the current buyback programme amounts to 86,563.

This announcement is issued pursuant to the provisions of the article 15 of L. 3556/2007, resolution No 1/434/03.07.2007 of the Hellenic Capital Market Commission’s Board of Directors, as in force and in conjunction with the Circular No 33/2007 of the Hellenic Capital Markets Commission’s Board of Directors, (EU) Regulation No 596/2014 of the European Parliament and of the Council dated 16.4.2014 and the Commission Delegated Regulation (EU) 2016/1052 dated 8.3.2016.