BANCO SANTANDER, S.A. «12345...» Page 4 out of 23 26/01/2024 12:12 BANCO SANTANDER, S.A. Other relevant information - Share buy-back , stabilisation and treasury stock programmes Share capital reduction by 2.22% following completion of buy-back programme Register number: 26309 24/01/2024 12:01 BANCO SANTANDER, S.A. On business and financial situation Notice of 2023 results presentation Register number: 26282 18/01/2024 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 11 and 17 January under the buyback programme Register number: 26212 11/01/2024 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 4 and 10 January under the buyback programme Register number: 26145 04/01/2024 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 28 December and 3 January under the buyback programme Register number: 26052 28/12/2023 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 21 and 27 December under the buyback programme Register number: 25972 21/12/2023 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 14 and 20 December under the buyback programme Register number: 25924 20/12/2023 07:32 BANCO SANTANDER, S.A. On business and financial situation Adapting financial reporting to the new operating model Register number: 25895 20/12/2023 07:29 BANCO SANTANDER, S.A. On business and financial situation Santander adapts past financial disclosures to reflect new primary segments Register number: 25894 14/12/2023 11:59 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 5 and 13 December under the buyback programme Register number: 25797 Page 4 out of 23 «12345...»