News & Events

DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS. On April 13, 2026, Southern Copper Corporation (the “Company”) announced with deep regret the unexpected passing of Oscar Gonzalez Rocha, the Company’s President, Chief Executive Officer, and Board member. A titan of the mining industry, Oscar’s 50-year career was defined by a visionary leadership and operational excellence that transformed the C…

of this Form 8-K. ​ ​ ​ 104 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: April 29, 2026 ​ 4

DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS. On April 13, 2026, Southern Copper Corporation (the “Company”) announced the unexpected passing of Oscar Gonzalez Rocha, the Company’s President and Chief Executive Officer. ​ Effective April 16, 2026, the Board of Directors (the “Board”) appointed Leonardo Contreras Lerdo de Tejada to serve as interim Chief Executive Officer of the Company. Mr.…

of this Form 8-K. ​ ​ ​ 104.1 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: January 28, 2026 ​ 4

of this Form 8-K. ​ ​ ​ 104.1 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: October 29, 2025 ​ 4

of this Form 8-K. ​ ​ ​ 104.1 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: July 29, 2025 ​ 4

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers; Compensatory Arrangements of Certain Officers On July 24, 2025, the Board of Directors of Southern Copper Corporation (“SCC” or the “Company”) appointed Mr. Patricio Ovejas Simon as the Company’s new Executive Vice President effective July 24, 2025. Mr. Patricio Ovejas Simon is 37 years old. He has held executive positions in finance, information technology, operations and venture capital.…

of this Form 8-K. ​ ​ ​ 104 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: April 25, 2025 ​ 4

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers; Compensatory Arrangements of Certain Officers On April 10, 2025, the Board of Directors of Southern Copper Corporation (“SCC” or the “Company”) appointed Mr. Juan Fernando Nuñez Chávez as the Company’s Vice President, Explorations to replace Mr. Edgard Corrales. Mr. Corrales assumed a new role within Southern Peru Copper Corporation, Sucursal del Perú as the Advising Director of New Project…

of this Form 8-K. ​ ​ ​ 104 ​ Cover Page Interactive Data File (embedded within the inline XBRL document) ​ ​ 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ SOUTHERN COPPER CORPORATION ​ ​ ​ ​ ​ By: /s/ Andres Carlos Ferrero ​ Name: Andres Carlos Ferrero ​ Title: General Counsel ​ Date: February 12, 2025 ​ 4

Other Events. On February 5, 2025, Minera Mexico, S.A. de C.V. (“Minera Mexico” or the “Company”), an indirect subsidiary of Southern Copper Corporation, priced US$1.0 billion aggregate principal amount of 5.625% Senior Notes due 2032, in an unregistered offering pursuant to Rule 144A and Regulation S under the Securities Act of 1933. The transaction is expected to close on February 12, 2025, subject to customary closing conditions. The Company intends to use the net proceeds from this offeri…