Vancouver, British Columbia--(Newsfile Corp. - January 15, 2026) - First Majestic Silver Corp. (NYSE: AG) (TSX: AG) (FSE: FMV) (the "Company" or "First Majestic") announces that total production in the fourth quarter of 2025 from the Company's four producing underground mines in Mexico, namely, the Santa Elena Silver/Gold Mine, the San Dimas Silver/Gold Mine, the Los Gatos Silver Mine (the Company holds a 70% interest in the Los Gatos Joint Venture that owns the mine) and the La Encantada Silver Mine reached 7.8 million attributable silver equivalent ("AgEq") ounces, consisting of 4.2 million silver ("Ag") ounces, 41,417 gold ("Au") ounces, 14.2 million pounds of zinc ("Zn"), 8.1 million pounds of lead ("Pb") and 235,886 pounds of copper ("Cu"). Q4 2025 PRODUCTION HIGHLIGHTS Record Quarterly Silver Production (+77% Y/Y): The Company produced 4.2 million silver ounces in Q4 2025, representing a 77% increase when compared to 2.4 million silver ounces produced in Q4 2024.