BANCO SANTANDER, S.A. «12345...» Page 3 out of 25 24/06/2024 20:39 BANCO SANTANDER, S.A. On business and financial situation Banco Santander informs of the minimum requirement for own funds and eligible liabilities (“MREL”) determined by the Single Resolution Board and notified by the Bank of Spain Register number: 29289 18/06/2024 12:00 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Share capital reduction by 2.09% following completion of buy-back programme Register number: 29190 13/06/2024 12:00 BANCO SANTANDER, S.A. Other relevant information Banco Santander communicates the transactions over its own shares which it has carried out between 6 and 12 June under the buyback programme Register number: 29110 06/06/2024 12:00 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Banco Santander communicates the transactions over its own shares which it has carried out between 30 May and 5 June under the buyback programme Register number: 29034 30/05/2024 12:01 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Banco Santander communicates the transactions over its own shares which it has carried out between 23 and 29 May under the buyback programme Register number: 28919 23/05/2024 12:05 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Banco Santander communicates the transactions over its own shares which it has carried out between 17 and 22 May under the buyback programme Register number: 28776 17/05/2024 12:12 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Banco Santander communicates the transactions over its own shares which it has carried out between 8 and 16 May under the buyback programm Register number: 28713 16/05/2024 16:04 BANCO SANTANDER, S.A. On financial instruments Santander announces the final results of the invitation to purchase its outstanding €1,500,000,000 4.75 per cent. Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities Register number: 28696 14/05/2024 12:30 BANCO SANTANDER, S.A. Other relevant information Statement: Unauthorized access to a Santander database hosted by a third-party provider Register number: 28660 08/05/2024 12:01 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes Banco Santander communicates the transactions over its own shares which it has carried out between 26 April and 7 May under the buyback programme Register number: 28506 Page 3 out of 25 «12345...»