National Bank of Greece S.A.

Declaration of Voting Results & Voting Rights Announcements • Oct 17, 2025

Notification of important changes concerning voting rights under article 14 of L. 3556/2007

National Bank of Greece S.A. ("the Bank/NBG S.A.") announces, according to article 14 of L. 3556/2007, the following:

Following the notification of important changes concerning the voting rights of the Bank by the "Principal Global Investors, LLC" under L.3556/2007, as well as the notification dated 16.10.2025 that the Bank received from "Principal Financial Group", as the ultimate parent company of "Principal Global Investors, LLC", the Bank hereby announces that the total percentage of voting rights that correspond to an equal amount of common, registered, voting, dematerialized shares "Principal Financial Group" holds indirectly, since the date of their acquisition by "Principal Global Investors, LLC", fell, as of 13.10.2025, below the minimum threshold of 5% of the total voting rights of the Bank.

The voting rights are analysed as follows:

Type of Financial Instrument	Number of voting rights		% of the above total number of NBG S.A. voting Rights
	Direct	Indirect	Direct	Indirect
	(article 9 of	(article 10 of	(article 9 of	(article 10 of
	L. 3556/2007)	L. 3556/2007)	L. 3556/2007)	L. 3556/2007)
Shares	-	45,663,401	-	4.99%
Total	45,663,401		4.99%

The table below depicts data regarding the full chain of controlled undertakings through which the above voting rights and/or the financial instruments are effectively held, starting with the ultimate controlling legal entity.

Name	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Principal Financial Group	4.99%		4.99%
Principal Financial Services Inc.	4.99%		4.99%
Principal Global Investors Holding Company (US) LLC	4.99%		4.99%
Principal Global Investors, LLC	4.99%		4.99%

Additional Information:

"Principal Financial Group" is the parent entity for a group of investment management companies, the chain of which is set out above and includes Principal Global Investors LLC ("PGI"), which is acting on behalf of various clients. Some of these clients, pursuant to advisory contracts, provide the power to PGI to vote their shares at its own discretion (i.e. without specific written instructions). The shares reported on this notification are owned by accounts under the investment management of PGI. As of 13th October 2025, PGI, via these managed accounts, holds an aggregate total of 45,663,401 common shares, representing 4.99% of the voting rights attributable to all the common shares then in issue in National Bank of Greece. The present notification is submitted by "Principal Financial Group" as the ultimate parent company of PGI, that holds indirectly since the above date, pursuant to Article 10, point (e) of Law 3556/2007, based on the chain of controlled undertakings listed above, the relevant voting rights of the Bank that correspond to an equal amount of common, registered, voting, dematerialized shares.