Wayne Lam

- First Majestic Silver Corp. reported **positive drilling results** from its ongoing exploration program at the **San Dimas Silver/Gold Mine** in Durango, Mexico, as of August 18, 2025.  **[1308648_0001062993-25-014861_exhibit99-1.htm:0]** 
- The exploration program was designed to explore for new veins, expand Mineral Resources, and upgrade Inferred Mineral Resources to Indicated Mineral Resources.  **[1308648_0001062993-25-014861_exhibit99-1.htm:0]** 
- Significant gold and silver mineralization was intersected in multiple veins across the property, including Sinaloa-Elia, Roberta, Santa Teresa, and the new Coronado vein.  **[1308648_0001062993-25-014861_exhibit99-1.htm:0]** 
- Key high-grade intercepts include **3.57 meters** at **15.93 g/t Au** and **1,112 g/t Ag** (ELI25X-1) and **1.06 meters** at **23.70 g/t Au** and **578 g/t Ag** (ELI25X-17) from the Sinaloa-Elia veins.  **[1308648_0001062993-25-014861_exhibit99-1.htm:0]** 
- Keith Neumeyer, President & CEO, stated that these results reinforce San Dimas as a **high-quality asset** with **significant growth opportunities** for the company.  **[1308648_0001062993-25-014861_exhibit99-1.htm:0]**

FIRST MAJESTIC SILVER (AG)