BANCO SANTANDER, S.A. «...678910...» Page 7 out of 24 22/11/2023 08:03 BANCO SANTANDER, S.A. On financial instruments Optional early redemption of all outstanding Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities with ISIN code XS1692931121 Register number: 25495 16/11/2023 22:52 BANCO SANTANDER, S.A. On financial instruments Banco Santander announces that it has completed placement of two series of preferred securities contingently convertible into newly issued ordinary shares of the Bank Register number: 25446 16/11/2023 15:19 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 15 November under the buyback programme Register number: 25431 Notification modified by communication number 25425 dated 16/11/2023 (12:01) 16/11/2023 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 8 and 15 November under the buyback programme Register number: 25425 Notification modified by communication number 25431 dated 16/11/2023 (15:19) 08/11/2023 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 31 October and 7 November under the buyback programme Register number: 25285 31/10/2023 10:59 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 and 30 October under the buyback programme Register number: 25160 26/10/2023 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 19 and 25 October under the buyback programme Register number: 25043 19/10/2023 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 11 and 18 October under the buyback programme Register number: 24950 18/10/2023 12:03 BANCO SANTANDER, S.A. On business and financial situation Notice of Third Quarter 2023 Results Presentation on October 25 Register number: 24926 11/10/2023 12:19 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 5 and 10 October under the buyback programme Register number: 24852 Page 7 out of 24 «...678910...»