<p>P.O. Box 643 Phone: 406-827-3523 47 Cox Gulch Road Fax: 406-827-3543 Thompson Falls, MT 59873 Email: [email protected] NYSE MKT: UAMY</p><p>USAC ANTIMONY, SILVER AND GOLD PRODUCTION FACILITIES</p><p>1. ANTIMONY OXIDE SMELTER, THOMPSON FALLS, MONTANA</p><p>This plant has a capacity to produce 15,000,000 pounds per year of antimony oxide or 5,000,000 pounds per year of antimony metal. </p><p>Aerial view of Antimony, Silver and Gold Smelter and Corporate Offices, Thompson Falls, Montana</p><p>1 Plant Facilities, Thompson Falls, MT</p><p>2. SILVER AND GOLD REFINERY, THOMPSON FALLS, MONTANA.</p><p>This plant recovers silver and gold as either a high purity silver metal and/or gold as dore or high purity metal. The current capacity is 10,000 ounces of silver and 50 ounces of gold per month.</p><p>Pouring precious metals, Thompson Falls, Montana</p><p>2 3. ANTIMONY OXIDE OR SULFIDE SMELTER, MADERO, COAHUILA, MEXICO</p><p>This smelter produces crude antimony oxide or metal and has a feed rate of 5 tons per day of DSO or concentrate.</p><p>Marero Smelter, Coahuila, Mexico</p><p>4. ANTIMONY COMBINATION FLOATATION/GRAVITY MILL, PUERTO BLANCO, GUANAJUATO, MEXICO</p><p>This plant produces antimony flotation and gravity concentrates that may contain silver and gold. The plant feed capacity is up to 150 tons per day.</p><p>Aerial view Puerto Blanco mill, Guanajuato, Mexico showing lined tailings pond.</p><p>3 5. ANTIMONY OXIDE ORE GRAVITY MILL, PUERTO BLANCO, GUANAJUATO, MEXICO</p><p>This plant produces gravity concentrates that may contain silver and gold. The plant has a feed capacity of up to 75 tons per day.</p><p>Pre-crusher circuit Puerto Blanco mill</p><p>6. NEW ANTIMONY FLOTATION MILL, PUERTO BLANCO, GUANAJUATO, MEXICO</p><p>This is a 500 tons per day flotation mill that is under construction and should be on line by the end of 2013. It will be dedicated to Los Juarez feed.</p><p>Puerto Blanco flotation mill</p><p>7. ANTIMONY OXIDE ORE GRAVITY MILL, WADLEY, SAN LUIS POTOSI, MEXICO</p><p>This plant produces gravity concentrates and has a feed capacity of up to 500 tons per day.</p><p>Wadley plant, San Luis Potosi, Mexico</p><p>4</p>