 MEXICO CITY, Oct. 12, 2021 PRNewswire -- Banco Santander México, S.A., Institución de Banca Múltiple, Grupo Financiero Santander México NYSE:BSMX; BMV:BSMX Santander México, one of the leading banks in Mexico, announced today that it will release its fiscal third quarter 2021 financial results after market close on Thursday, October 28 th, 2021. 