ING Bank Slaski S.A.

Major Shareholding Notification • Mar 31, 2025

ING Bank Śląski S.A.

ul. Sokolska 34

40-086 Katowice

Acting in accordance with Article 87 Section 1 item 2b of the Act on Public Offering and Terms and Conditions of Introduction of Financial Instruments into the Organised Trading and on Public Companies of 29 July 2005 (Journal of Laws 2009, No. 185, item 1439, as amended) we hereby notify you that, as a result of acquisition of shares of ING Bank Śląski S.A., LEI code: 259400YLRTOBISHBVX41 ("the Company") in the course of WSE trading on 26 March 2025, the funds managed by Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A., namely: Nationale-Nederlanden Otwarty Fundusz Emerytalny, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2025, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2030, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2035, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2040, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2045, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2050, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2055, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2060, Nationale-Nederlanden Dobrowolny Fundusz Emerytalny Nasze Jutro 2065, collectively increased the share of Company stock in their possession to beyond 5% of votes at the General Meeting of the Company.

The number of shares and votes before and after transaction settlement has been summarised in the table below.

	BEFORE		AFTER
FUNDS COLLECTIVELY	quantity	%	quantity	%
Votes	6 382 270	4.90566%	6 565 802	5.04673%
capital	6 382 270	4.90566%	6 565 802	5.04673%

Yours faithfully,

Szymon Ożóg

Paweł Giza

Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.; ul. Topiel 12, 00-342 Warsaw; tel. + 48 22 522 00 00, fax +48 22 522 11 11, www.nn.pl; District Court of the Capital City of Warsaw; XII Commercial Division; National Court Register KRS 0000042153, NIP: 526-22-41-523; share capital – 33 000 000 PLN, paid up in full

2025/PTE/26 Warsaw, 28 March 2025