Southern Copper (SCCO) Proxy Filing summary

Executive summary

• The 2025 annual meeting will be held virtually on May 23, 2025, with stockholders able to vote and submit questions online.

• Stockholders of record as of March 27, 2025, are eligible to participate and vote.

• Key proposals include electing nine directors, amending and extending the Directors' Stock Award Plan, ratifying the independent accountants, and a non-binding advisory vote on executive compensation.

• Proxy materials are available online, and stockholders are encouraged to vote electronically or by mail.

Voting matters and shareholder proposals

• Proposals: elect nine directors, amend and extend the Directors' Stock Award Plan for three years, ratify Deloitte Touche Tohmatsu Limited as independent accountants for 2025, and a non-binding advisory vote on executive compensation.

• The Board recommends voting in favor of all proposals.

• Voting can be done online, by phone, or by mail; proxies with no instructions will be voted in favor of all Board recommendations.

Board of directors and corporate governance

• The Board consists of nine nominees, including a mix of executive, independent, and special independent directors.

• The Board emphasizes diversity, inclusivity, and a range of professional backgrounds and skills.

• Committees include Audit, Compensation, Corporate Governance, Special Nominating, and Sustainability.

• The company is a controlled company under NYSE rules, with Grupo Mexico holding 88.9% of voting power.

• Board leadership is separated between Chairman and CEO roles.