Record Mineral Resources Strengthens Long-Term Value and Production OptionsSanto Niño Discovery Adds 27.4 Million Silver-Equivalent Ounces to Santa Elena Inferred ResourcesVancouver, British Columbia--(Newsfile Corp. - March 31, 2026) - First Majestic Silver Corp. (NYSE: AG) (TSX: AG) (FSE: FMV) (the "Company" or "First Majestic") is pleased to announce its 2025 Mineral Reserve and Mineral Resource estimates for its four operating mines in Mexico and its Jerritt Canyon Gold Mine ("Jerritt Canyon") in Nevad ...