Southern Copper — Apr 24, 2025 release

​ El Arco - Baja California: This is a world-class copper deposit located in the central part of the Baja California peninsula with sulfide ore reserves of over 1,230 million tonnes and an average ore grade of 0.40%, and 141 million tonnes of leach material with an average ore grade of 0.27%. The project includes an open-pit mine with a combined 120 ktpd concentrator and 28 ktpy SX-EW operations. ​ Detailed engineering is still underway for the concentrator, SX-EW plant, water desalination, logistics infrastructure and power delivery. ​ SCC has several projects in its Mexican pipeline that may boost organic growth if they are found to be of value for both stakeholders and the communities in which we operate. These projects are Angangueo, Chalchihuites and the Empalme Smelter, which could bolster our position as a fully integrated copper producer. ​ Peruvian Projects ​ 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 tons of SX- EW copper cathodes per year. ​ Tia Maria will generate significant revenues for the Arequipa region from day one of its operations. At current copper prices, we expect to export $18.2 billion and contribute $3.8 billion in taxes and royalties during the first 20 years of operation. The project budget has been set at $1,802 million. ​ Project update : As of March 31, 2025, the Company has generated more than 628 jobs, 503 of which were filled with local applicants. To the fullest extent possi