National Bank of Greece S.A.

Capital/Financing Update • Sep 9, 2025

PRESS RELEASE 09/09/2025

Exercise of call option with respect to €500,000,000 Green Fixed Rate Resettable Unsubordinated MREL Notes due on 8 October 2026 (XS2237982769) issued on 8 October 2020 under the €5,000,000,000 Global Medium Term Note Programme of National Bank of Greece S.A.

National Bank of Greece S.A. (the Issuer) informs investors, pursuant to Regulation 596/2014 on market abuse (MAR) and Greek law 3556/2007, that the Issuer has exercised the call option with respect to all outstanding €500,000,000 Green Fixed Rate Resettable Unsubordinated MREL Notes due on 8 October 2026 (XS2237982769) (the Notes) issued on 8 October 2020 under the €5,000,000,000 Global Medium Term Note Programme of the Issuer (the Programme). The Notes will be redeemed at par as provided for under Condition 10.3 of the Notes. Accrued but unpaid interest will be payable pursuant to the Conditions of the Notes.

The current outstanding principal amount of the Notes is €81,892,000.

In accordance with Condition 10.12, the Issuer is in compliance with any conditions prescribed by the MREL Requirements, as defined in the Conditions, to redeem the Notes prior to the exercise of the call option.