Santander Bank Polska S.A.

Director's Dealing • Jan 9, 2026

9 January 2026

Notifying Party:

Banco Santander, S.A. Paseo de Pereda 9-12 39004 Santander, Spain (the "Notifying Party")

Santander Bank Polska S.A.

ul. Aleja Jana Pawła II 17 00-854 Warsaw, Poland LEI: 259400LGXW3K0GDAG361 (the "SBP")

NOTIFICATION

Pursuant to Article 69 Section 2 Item 2 in conjunction with Article 69 Section 1 Item 2 of the Polish Act on Public Offering and Conditions Governing the Introduction of Financial Instruments to the Organized Trading System and Public Companies of 29 July 2005 (the "Public Offering Act"), the Notifying Party hereby notifies that as a result of the settlement on 9 January 2026 of a sale to Erste Group Bank AG with its registered office in Vienna of 50,072,763 shares in the share capital of SBP with a nominal value of PLN 10 each and a total nominal value of PLN 500,727,630, representing 49.0% of the share capital of SBP and entitling to 49.0% of the total number of votes at the general meeting of SBP (the "Transaction"), the Notifying Party's share in the total number of votes at the general meeting of SBP decreased by 49.0%.

Prior to the Transaction, the Notifying Party held directly 59,984,148 shares in SBP's share capital representing approximately 58.7% of the shares in SBP's share capital and in the total number of votes at SBP's general meeting. None of the subsidiaries of the Notifying Party held any shares in SBP prior to the Transaction.

As a result of the Transaction and as of the date of this notification the Notifying Party directly holds 9,911,385 shares in SBP's share capital representing approximately 9.7% of the total number of shares in SBP's share capital and the total number of votes at SBP's general meeting. None of the subsidiaries of the Notifying Party hold any shares in SBP following the Transaction.

The Notifying Party is not a party to any agreement on the transfer of rights to exercise voting rights vested in the SBP's shares within the meaning of Article 87 Section 1 Item 3 letter c) of the Public Offering Act.

The Notifying Party does not hold any financial instruments already issued by SBP which after their maturity date entitle or oblige their holder unconditionally to acquire shares, to which rights to vote are attached, referred to in Article 69b Section 1 Item 1 of the Public Offering Act.

In addition, the Notifying Party does not hold any financial instruments related, directly or indirectly, to SBP's shares that give rise to any economic consequences similar to the consequences of the financial instruments specified in the preceding paragraph, referred to in Article 69b Section 1 Item 2 of the Public Offering Act.

Due to the fact that the Notifying Party does not hold any financial instruments referred to in Article 69b Section 1 Items 1 and 2 of the Public Offering Act, the total number of votes in SBP, as well as the total percentage share in the total number of votes in SBP, referred to in Article 69 Section 4 Item 9 of the Public Offering Act, correspond to the number of votes attached to shares of SBP and the percentage share in the total number of votes in SBP specified above.

/signature page to follow/

On behalf of the Notifying Party:

Signature:

Signed by:

lgnicszka Stopinska ____________________________________

Name: Agnieszka Stopińska

Position: Attorney-in-fact