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 Company into a global leader. We are profoundly grateful for his enduring contributions and will miss him deeply.

On April 23, 2026, the Company's Board of Directors appointed Mr. Leonardo Contreras Lerdo de Tejada as Chief Executive Officer of the Company. Mr. Leonardo Contreras Lerdo de Tejada will continue to serve on the Company's Board of Directors.