Exhibit 12.1
CERTIFICATION
I, Hector Blas Grisi Checa, certify that:
1. | I have reviewed this annual report on Form 20-F of Banco Santander México, S.A., Institución de Banca Múltiple, Grupo Financiero Santander México; |
b) | Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; |
d) | Disclosed in this report any change in the company’s internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, the company’s internal control over financial reporting; and |
5. The company’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s auditors and the audit committee of the company’s board of directors (or persons performing the equivalent functions):
a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and
b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal control over financial reporting.
Date: March 3, 2022
| | /s/ Hector Blas Grisi Checa |
| Name: | Hector Blas Grisi Checa |
| Title: | Executive President and Chief Executive Officer |