Southern Copper (SCCO)

=== SEC Form 4/A — Statement of Changes in Beneficial Ownership === Document Type: 4/A Period of Report: 2026-08-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: SOUTHERN COPPER CORP/ (SCCO) CIK: 0001001838 --- Reporting Owner --- Name: PALOMINO BONILLA LUIS MIGUEL CIK: 0001284489 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-31 | Code: S (Open market sale) Shares: -0 | Price: $0.00 Shares Owned After: 1,703 | Ownership: D (Direct) Footnotes: [F1] This Form 4/A is being filed to amend the Form 4 filed earlier today on 9/1/26, which erroneously reported a sale of 400 shares of Common Stock. No such sale has occurred. The reporting person intended to file a Form 144 to report a proposed sale of securities rather than a completed transaction. This amendment deletes transaction reported in error and accurately reflects the reporting person's amount of securities beneficially owned prior to such filing. --- Footnotes (Complete Index) --- F1: This Form 4/A is being filed to amend the Form 4 filed earlier today on 9/1/26, which erroneously reported a sale of 400 shares of Common Stock. No such sale has occurred. The reporting person intended to file a Form 144 to report a proposed sale of securities rather than a completed transaction. This amendment deletes transaction reported in error and accurately reflects the reporting person's amount of securities beneficially owned prior to such filing. --- Signature --- /s/ /s/ Andres Carlos Ferrero, Attorney-in-Fact (2026-09-01)