SOUTHERN COPPER CORP

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

As of March 31, 2024, the Company conducted an evaluation under the supervision and with the participation of the Company’s disclosure committee and the Company’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness and the design and operation of the Company’s disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e)). Based on that evaluation, the Chief Executive Officer and the Chief Financial Officer have concluded that the Company’s disclosure controls and procedures are effective as of March 31, 2024, to ensure that information required to be disclosed in reports filed or submitted under the Exchange Act is:

CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING

There were no changes in the Company’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934, as amended) that occurred during the three months ended March 31, 2024 that have materially affected, or are reasonably likely to materially affect, the Company’s internal controls over financial reporting.