PPC S.A.

Transaction in Own Shares • Nov 6, 2025

Announcement – Regulated information

November 6, 2025

Public Power Corporation S.A. ("PPC") announces that in the context of its buyback programme for the purchase of up to 36,927,000of its own shares, for the period from 30.10.2025 until 05.11.2025, PPC purchased through transactions in the Athens Exchange,99,443Own Shares in total, as follows:

Date	Number of Shares	Weighted Average Price (€)
30.10.2025	20,775	15.1222
31.10.2025	21,568	15.1620
03.11.2025	19,250	15.6055
04.11.2025	19,000	15.7865
05.11.2025	18,850	15.8618

Following the abovementioned purchases, PPC holds an aggregate of 20,028,643 shares issued by it, which correspond to 5.4238% of theCompany's total shares.

This announcement is issued in accordance with (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.

For further information please contact:

Investor Relations Division 30, Chalkokondyli str., 104 32 Athens

Τ: +30 210 529 2153

+30 210 529 3665

+30 210 529 3207

ir@ppcgroup.com

The announcement may be accessed on the website of Public Power Corporation S.A. (www.ppcgroup.com) at the "Investors Relations" section.