SCC(SCCO) - 2025 Q3 - Quarterly Results

Exhibit 99.1 Investor Relations: October 28, 2025 Southern Copper Corporation (NYSE and BVL: SCCO) Raul Jacob Victor Pedraglio Bertin Galarreta +(602) 264-1375 southerncopper@southernperu.com.pe www.southerncoppercorp.com ● 3Q25 net sales were $3,377.3 million. This figure represented a 15.2% increase over 3Q24's print and a new quarterly record, impacted by growth in the sales volumes of silver (+21.9%), molybdenum (+7.9%) and zinc (+7.3%). The upswing in sales for these products was offset by a drop in co ...