Santander Bank Polska S.A.

Transaction in Own Shares • Mar 11, 2024

Report Content 11-03-2024

Current report no.: 16/2024

Subject: Information about transactionsexecuted in the course of the own shares buy-back

In relation to current report no. 5/2024,no. 9/2024 and 14/2024, the Management Board of Santander Bank PolskaS.A. (Bank) hereby announces that as part of exercising the buy-backprogramme of the Bank's shares, the conditions of which were establishedin the Banks' Management Board resolution of 16 February 2024(Resolution and Buy-back) pursuant to the authorisation granted in theAnnual General Meeting resolution no. 29 of 19 April 2023 regardingauthorising the Management Board to purchase (buy-back) the Bank sharesto execute Incentive Plan VII and to create a capital reserve for thatpurpose, the Bank purchased its own shares in transactions described inappendix 1 and 2 to this report in order to meet its commitments toallot shares to the Bank's group employees who are participants inIncentive Plan VII, i.e. to pay out awards for 2023 and the deferredawards due for 2022 to be paid in 2024 to these participants.

Appendix 1 includes detailed data ontransactions and appendix 2 includes the aggregated data - related totransactions made from 4 March 2024 to 8 March 2024.

Transactions were carried out through theBank's brokerage house, i.e. Santander Biuro Maklerskie.

Taking into account the share purchasetransactions presented in appendix 1 and 2, as at the end of 8 March2024 the Bank, in the course of current Buy-back implementing theIncentive Plan VII, has entered into transactions involving 97 488 ofits own shares in total (including its own shares purchased as part ofthe Plan and outside the Plan) which represent 0.095% of the Bank'sshare capital and which give 0.095% of votes in the total number ofvotes at the General Meeting. At the same time, the Bank informs that asat the end of 8 March 2024 it has given instructions to transfer 36 607shares to the brokerage accounts of the participants of Incentive PlanVII.

Legal basis:

Article 2 (2) and (3) of the of CommissionDelegated Regulation (EU) 2016/1052 of 8 March 2016 supplementingRegulation (EU) No 596/2014 of the European Parliament and of theCouncil with regard to regulatory technical standards for the conditionsapplicable to buy-back programmes and stabilisation measures and inrelation to Article 5 (3) of Regulation (EU) No 596/2014 of the EuropeanParliament and of the Council of 16 April 2014 on market abuse (marketabuse regulation) and repealing Directive 2003/6/EC of the EuropeanParliament and of the Council and Commission Directives 2003/124/EC,2003/125/EC and 2004/72/EC.