BANCO SANTANDER, S.A. «...1112131415...» Page 14 out of 25 28/06/2022 18:17 BANCO SANTANDER, S.A. Other relevant information Banco Santander reduces its share capital by 1.7% to cancel the shares acquired in the buy-back programme carried out between March and May 2022 Register number: 17086 17/06/2022 10:32 BANCO SANTANDER, S.A. On corporate governance Conference call announcement related to the nomination of Héctor Grisi to succeed José Antonio Álvarez as CEO of the Group Register number: 16885 15/06/2022 12:54 BANCO SANTANDER, S.A. Board of Directors Regulations La sociedad remite el reglamento del Consejo de Administración Register number: 16831 10/06/2022 12:30 BANCO SANTANDER, S.A. On financial instruments Total redemption and cancellation of the “Issuance of Banco Santander, S.A Mortgage Covered Bonds Series 7ª – October 2018” with ISIN code ES0413900525 Register number: 16744 03/06/2022 12:56 BANCO SANTANDER, S.A. On financial instruments Total redemption and cancellation of the “Issuance of Banco Santander, S.A Mortgage Covered Bonds Series 4ª – June 2017” with ISIN code ES0413900491 Register number: 16599 30/05/2022 09:52 BANCO SANTANDER, S.A. General Shareholders’ Meeting Regulations La sociedad remite el Reglamento de la junta general de accionistas Register number: 16536 20/05/2022 12:58 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: 16378 06/05/2022 16:24 BANCO SANTANDER, S.A. Share buy-back , stabilisation and treasury stock programmes End of the Buy-back Programme of own shares and last transactions executed under the Programme between April 28 and May 6 Register number: 16098 28/04/2022 12:07 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 19th and 27th April under the buyback programme Register number: 15863 26/04/2022 17:45 BANCO SANTANDER, S.A. Total number of voting rights and capital Registration with the commercial registry of the public deed of capital reduction through the redemption of shares granted on 6 April 2022 before the Notary Public of Boadilla del Monte, Rafael Martínez Díe, under number 1958 of his protocol Register number: 15778 Page 14 out of 25 «...1112131415...»