PPC S.A.

Transaction in Own Shares • Jan 8, 2026

Announcement – Regulated information

January 8, 2026

Public Power Corporation S.A. ("PPC") announces that in the context of its buyback programme for the purchase of up to 36,927,000 of its own shares, for the period from 29.12.2025 until 07.01.2026, PPC purchased through transactions in the Athens Exchange,99,093Own Shares in total, as follows:

Date	Number of Shares	Weighted Average Price (€)
29.12.2025	16,728	17.9349
30.12.2025	16,707	17.9573
31.12.2025	16,638	18.0373
02.01.2026	16,370	18.3461
05.01.2026	16,250	18.4695
07.01.2026	16,400	18.3276

Following the abovementioned purchases, PPC holds an aggregate of 20,718,308 shares issued by it, which correspond to 5.6106% 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.