SOUTHERN COPPER CORP/ 8-K

What Happened Southern Copper Corporation filed a Form 8-K (Apr 29, 2026) reporting the unexpected passing of Oscar Gonzalez Rocha, the Company's President, Chief Executive Officer and director, which the Company announced on April 13, 2026. On April 23, 2026, the Board appointed Leonardo Contreras Lerdo de Tejada as Chief Executive Officer; he will continue to serve on the Company’s Board of Directors. The Company stated the Board has not approved any changes to Mr. Contreras Lerdo de Tejada’s compensation in connection with the appointment; if a material compensatory arrangement is entered or amended the Company will file an amendment to the 8-K.

Key Details

• Oscar Gonzalez Rocha (President, CEO, Board member) passed away; announcement date: April 13, 2026.
• Board appointment of Leonardo Contreras Lerdo de Tejada as CEO: April 23, 2026.
• Mr. Contreras Lerdo de Tejada will remain a Board member; no Board-approved compensation changes announced.
• Biographical information for Mr. Contreras Lerdo de Tejada is incorporated by reference from the Company’s proxy statements filed April 11, 2025 and April 17, 2026.

Why It Matters A CEO death and immediate leadership appointment are material events for investors because they affect company leadership and governance. The appointment of an existing director as CEO supports continuity, and the Company has committed to disclose any material changes to the new CEO’s compensation. Investors should watch for follow-up filings and company communications for any operational or governance implications.