EXHIBIT 12.1
CERTIFICATION
I, Oscar Sardi, certify that:
1. | I have reviewed this annual report on Form 20-F for the year ended December 31, 2020, of Transportadora de Gas del Sur S.A.; |
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; |
c) | Evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and |
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 officers 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 function): |
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: April 27, 2021
/s/ Oscar José Sardi | |
Oscar José Sardi | |
Chief Executive Officer |