Athens International Airport S.A.

Transaction in Own Shares • Jan 12, 2026

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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 05.01.2026 to 09.01.2026, within the framework of the Program, the Company purchased through the Athens Exchange, 4,800 own shares, as follows:

Trade Date	Number of Shares	Notional Purchased (€)	Average Execution Price (€)
05-Jan-26	1,200	€ 12,902.00	€ 10.7517
07-Jan-26	1,200	€ 12,995.00	€ 10.8292
08-Jan-26	1,200	€ 13,020.50	€ 10.8504
09-Jan-26	1,200	€ 13,187.50	€ 10.9896
Total	4,800	€ 52,105.00

Following the above purchase, the Company holds a total of 30,000 own shares, corresponding to 0.0097% 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, 12 January 2026