Southern Copper — Apr 28, 2026 release

The projects’ construction and subsequent operating phases will generate new poles of development; create significant job opportunities; and drive growth in tax revenues at both, national and regional levels. ​ Tia Maria - Arequipa: This greenfield project in Arequipa, Peru will use state-of-the-art SX-EW technology that meets the highest international environmental standards and has the capacity to produce 120,000 tonnes of SX- EW copper cathodes per year.  Operations are expected to begin in 3Q27. ​ Project update: As of March 31, 2026, the Company has committed $948 million across various project activities. Large-scale earthmoving works have moved 7.5 million tons of material from La Tapada deposit. The majority of purchase orders for major equipment have been issued. Regarding the SX-EW process, purchase orders have been placed for key equipment with state-of-the-art technology. ​ Regarding energy supply, foundation works at the main electrical substation, as well as work to build the 220kV transmission line, are underway. In parallel, large-scale earthworks for the grading of the main dry and wet area components are in their final stage, setting the groundwork for civil construction in key areas for secondary and tertiary crushing (dry area), solvent extraction (SX), and electrowinning (EW) (wet area) among others. ​ At the end of the first quarter of 2026, progress at Tia Maria stood at 32.5%, and 4,207 new jobs have been generated; 815 of these positions were filled with local applicants. To the fullest extent possible, we intend to fill the 5,000 jobs estimated to be required during Tia Maria´s construction phase prioritiz