Athens International Airport S.A.

Transaction in Own Shares • Dec 22, 2025

Announcement on Purchase of Own Shares

Athens International Airport S.A. (the "Company") announces to the investment community that, as per Article 49 of Law 4548/2018 and in the context of the resolution of its Ordinary General Meeting of Shareholders dated 14.04.2025 and the relevant decision of its Board of Directors dated 31.10.2025, during the period from 15.12.2025 to 19.12.2025, within the framework of the Program, the Company purchased through the Athens Exchange 6,000 own shares, as follows:

Trade Date	Number of Shares	Notional Purchased (€)	Average Execution Price (€)
15-Dec-25	1,200	€ 12,420.45	€ 10.3504
16-Dec-25	1,200	€ 12,395.50	€ 10.3296
17-Dec-25	1,200	€ 12,339.00	€ 10.2825
18-Dec-25	1,200	€ 12,548.00	€ 10.4567
19-Dec-25	1,200	€ 12,808.00	€ 10.6733
Total	6,000	€ 62,510.95

Following the above purchase, the Company holds a total of 18,000 own shares, corresponding to 0.0058% of its total share capital.

This announcement is issued in accordance with Regulation (EU) 596/2014 of the European Parliament and of the Council of 16 April 2014 and Delegated Regulation (EU) 2016/1052 of the Commission of 8 March 2016.

Spata, 22 December 2025