Southern Copper (SCCO) investor relations material

Executive summary

• The 2026 Annual Meeting will be held virtually on May 29, 2026, with shareholders able to vote and submit questions online.

• The passing of former CEO Oscar Gonzalez Rocha triggered the succession plan, appointing Leonardo Contreras Lerdo de Tejada as Interim CEO.

• Shareholders of record as of April 2, 2026, are eligible to vote on director elections, auditor ratification, and executive compensation.

Voting matters and shareholder proposals

• Shareholders will vote to elect eight directors, ratify the selection of Deloitte Touche Tohmatsu Limited as independent accountants for 2026, and provide a non-binding advisory vote on executive compensation.

• Proposals and nominations for the 2027 meeting must be submitted between January 29 and February 28, 2027.

Board of directors and corporate governance

• The Board consists of eight nominees, including a mix of independent and special independent directors, with a focus on diversity and core competencies.

• The Board conducts annual self-evaluations and emphasizes inclusivity and ethical standards.

• The roles of Chairman and CEO are separated to enhance oversight and governance.

• The Board has committees for audit, compensation, governance, sustainability, and special nominations.