Investor Relations - 20.05.2026

Announcement – Regulated information

May 20, 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 14.05.2026 until 20.05.2026, PPC purchased through transactions in the Euronext Athens, 74,773 Own Shares in total, as follows:

Date

Number of Shares

Weighted Average Price (€)

14.05.2026

14,725

20.3675

15.05.2026

14,985

20.0196

18.05.2026

15,057

19.9231

19.05.2026

14,954

20.0614

20.05.2026

15,052

19.9300

Following the abovementioned purchases, PPC holds an aggregate of 22,940,110 shares issued by it, which correspond to 6.2123% of the Company’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.