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U.S. ANTIMONY CORPORATION (USAC) 2014

U.S. ANTIMONY CORPORATION (USAC) 2014. 1. April, 2014. AGENDA USAC CORPORATE OVERVIEW  FINANCIAL UPDAT UASC HIGHLIGHTS USAC ANTIMONY PRODUCTION FACILITIES BEAR RIVER ZEOLITE USAC MANAGEMENT TEAM. 2. USAC CORPORATE OVERVIEW NYSE: UAMY

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U.S. ANTIMONY CORPORATION (USAC) 2014

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  1. U.S. ANTIMONY CORPORATION (USAC) 2014 1 April, 2014

  2. AGENDA • USAC CORPORATE OVERVIEW •  FINANCIAL UPDAT • UASC HIGHLIGHTS • USAC ANTIMONY PRODUCTION FACILITIES • BEAR RIVER ZEOLITE • USAC MANAGEMENT TEAM 2

  3. USAC CORPORATE OVERVIEW • NYSE: UAMY • USAC is a rapidly growing natural resource company that is increasing its raw material supply of antimony from properties in Mexico and third parties around the world. • USAC has produced various antimony products since 1969 and is a fully integrated mining, transportation, milling, smelting, and marketing company. • China supplies more than 90 percent of all the antimony in the world, and their resources are being depleted. • USAC operates the only significant antimony smelter in the United States and it is in a “sold out” condition. • The Company has proven experience in underground and open pit mining, flotation and gravimetric milling, crushing and screening, dry grinding, cyanide leaching, precious metal refining, pyro-metallurgy, and marketing. • USAC has developed proprietary technology to smelt a variety of raw materials and recover impurities such as lead, arsenic, bismuth, mercury, selenium, silver, and gold. 3

  4. Corporate Offices and Plant, Thompson Falls, Montana 4

  5. Operations include a smelter and a precious metal refinery in Montana, and a smelter and three mills in Mexico. • A larger 500 ton mill is being installed in Mexico. • Five Mexican properties supply direct shipping ore (DSO) or mill feed for the Mexican smelter. • The Los Juarez property is starting significant silver and gold production that will supplement the antimony values and identify the Company as a “precious metal producer.” • USAC owns 100% of the Bear River Zeolite, Corp. mine in southeast Idaho regarded as one of the best zeolite properties in the world due to its high cation exchange capacity, low sodium content, superior hardness,  uniformity, high potassium content, large surface area, and low clay and impurity content. The deposit can be mined and processed cheaper than other deposits because there is little internal waste or external overburden, it is more than 800 feet thick, and it is very homogeneous. • BRZ zeolite has hundreds of applications as an “environmentally friendly” material. 5

  6. USAC CORPORATE HIGHLIGHTS • USAC has connected a natural gas pipeline to its Mexican smelter at Madero that will cut fuel costs by up to 75%. Fuel is the largest cost of the smelter. • USAC is producing from the Wadley Mine in the State of San Luis Potosi, Mexico. The mine is historically the largest producer of antimony in North and Central America, with a recorded production through 1943 of 50,000 metric tons of antimony metal contained. • USAC is producing from five antimony mines in Mexico, and at the present time, there is an inventory of two months of furnace feed at the Mexican smelter. • USAC has just received a permit for four more furnaces at the Mexican smelter and they are under construction. • USAC Mexican production increased from 372,046 pounds in 2012 to 683,9323 pounds in 2013, an increase of 83.8%. Overall antimony production for the company increased from 1,423,279 pounds in 2012 to 1,780,134 pounds in 2013, an increase of 25%. • Antimony is considered a “strategic metal” and wartime applications include antimony oxide used as a flame retardant in plastics and textiles for vehicles and aircraft; antimony metal used in storage batteries and in ordnance to harden lead; and antimony tri-sulfide for primers and rockets. 6

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  9. MEXICO MINING OPERATIONS 9

  10. 1. LOS JUAREZ PROPERTY, QUERETARO, MEXICO • At the Los Juarez property USAC relied on a Mexican Government publication, Consejo de RecursosMinerales, MonografiaGeologico-Minera del Estado de Querearo, pages 74-75. The paper reported a reserve of 1,000,000 metric tons containing 253 grams per ton silver and 1.8% antimony on 40 hectares (100 acres). The deposit was interpreted as a manto (layered) deposit up to 5 meters thick.  • Although USAC used the report to start mining, it was disallowed by the S.E.C. as a basis for reserves. Detailed mapping and sampling delineated jasperoid mineralization over an east-west strike length of 3.5 kilometers with a maximum width of 1 kilometer. Unlike most Mexican deposits, this deposit is primarily all sulfide. Preliminary exploration indicates that it could be a deep-seated jasperoid. • USAC controls this property directly. 10

  11. Mine face, Los Juarezproperty, Queretaro, Mexico 11

  12. Breaking oversized Los Juarez ore 12

  13. 2. WADLEY, SAN LUIS POTOSI, MEXICO • According to the U. S. Geological Survey, by 1943the “San Jose Wadley mines have produced more antimony than any other district in Mexico, and they have been surpassed in production by only one or two other deposits in the world.” By 1943, the recorded production was 57,612 metric tons of contained antimony metal. Since that time the mine has probably produced approximately an additional 25,000 metric tons of metal. • The mineralization is primarily in five layered deposits or “mantos” that were fed by fracture filling veins that also contain mineralization. The zone is approximately 2 kilometers long and 1 kilometer in width, and has been developed by 500 kilometers of drifts and tunnels. • The ore consists almost entirely of oxide minerals that were recovered by hand-sorting “direct shipping ore” for smelting and gravimetric concentration of the lower-grade material. • USAC claims no reserves at the present time at Wadley. 13

  14. Buscones Wadley, SLP, Mexico 14

  15. Wadley bin from aerial tramway 15

  16. 3. SOYATAL DISTRICT, QUERETARO, MEXICO • USAC is sourcing 5-6% antimony mill feed and DSO for Madero from the Soyatal District in the State of Queretaro, Mexico. • The deposit was the third largest antimony producer in Mexico. Donald E. White (U. S. Geological Survey Bulletin 960-B, Antimony Deposits of Soyatal District, State of Queretaro, Mexico, 1948) reported that the production (p. 40) was estimated through 1943 at 25,630 metric tons of metal contained. USAC has purchased this property but claims no reserves. 16

  17. Soyatal DSO ore 17

  18. 4. SIERRA GUADALUPE, ZACETECAS, MEXICO • In the late 1980’s USAC mined a property known as “Sierra Guadalupe” in the State of Zacetecas. • Currently, the property is being mined by a third party who delivered 2.5 to 4% antimony mill feed from dumps at a rate of up to 1,000 tons per month. • They are now producing 5-8% antimony ore from underground with explosives permit. • USAC has an option to buy this property but claims no reserves. 18

  19. Aerial view of Santa Monica dumps, Sierra Guadalupe 19

  20. 5. GUADALUPANA, QUERETARO, MEXICO • This property was originally mined by CompaniaMinera Y Refinadora Mexicana, S. A. Estacion Wadley, and SLP during World War II and thereafter. It consists of 3 underground levels with extensive drifts, stopes, cross-cuts, and raises. • Currently, the mine is operated by a third party and they are supplying 28-35% DSO and oxide mill feed. 20

  21. Guadalupana, QRO, Mexico Crew 21

  22. USAC ANTIMONY PRODUCTION FACILITIES • PUERTO BLANCO ANTIMONY COMBINATION FLOATATION/GRAVITY MILL, GUANAJUATO, MEXICO • 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. 22

  23. Pre-crusher circuit Puerto Blanco mill 23

  24. Puerto Blanco flotation mill 24

  25. 2. ANTIMONY OXIDE ORE GRAVITY MILL, WADLEY, SAN LUIS POTOSI, MEXICO • This plant produces gravity concentrates and has a feed capacity of up to 500 tons per day. 25

  26. Wadley plant, SPP, Mexico 26

  27. Wadley plant thickener, San Luis Potosi, Mexico 27

  28. 3. ANTIMONY OXIDE SMELTER, THOMPSON FALLS, MONTANA • 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. 28

  29. USAC mill, Thompson Falls, Montana 29

  30. 4. ANTIMONY OXIDE OR SULFIDE SMELTER, MADERO, COAHUILA, MEXICO • This smelter produces crude antimony oxide or metal from 5 tons per day of DSO or concentrate. 30

  31. Madero Smelter, Coahuila, Mexico 31

  32. 5. SILVER AND GOLD REFINERY, THOMPSON FALLS, MONTANA • This plant recovers silver and gold as either a high purity silver metal and/or gold. The Company expects costs for PM will be minimal. 32

  33. Pouring precious metals, Thompson Falls, Montana 33

  34. ZEOLITE OPERATIONS • Bear River Zeolite Company (BRZ) is a wholly owned subsidiary of United States Antimony Corporation (USAC) of Thompson Falls, Montana. • The zeolite is regarded as one of the best zeolites due to its high cation exchange capacity, low sodium content, superior hardness, and uniformity. • The products are sold in the United States and throughout the world. • Markets include: • water filtration • soil amendments • animal nutrition • waste-water treatment • odor control • hydrogen sulfide gas control • nuclear remediation • pozzolan • plastic fillers • grout • ammonia control in underground mining operations • heavy metal and ammonia removal from water • remediation of produced water from, oil and gas wells • mine remediation • and many others. 34

  35. BRZ plant, Preston, Idaho 35

  36. Blast hole drill at BRZ 36

  37. BRZ pit 37

  38. Raymond mill, BRZ 38

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  40. USAC BOARD OF DIRECTORS John C. Lawrence (Thompson Falls, MT) Gary Babbitt (Boise, ID) Russell C. Lawrence (Deary, ID) Hart W. Baitis (Missoula, MT) Whitney H. Ferer (Omaha, NE) CORPORATE OFFICERS John Lawrence: President and CEO John C. Gustavsen: First Vice-PresidentRussell C. Lawrence: Second Vice-President Matt Keane: Third Vice-President Alicia Hill: Secretary, Controller, Treasurer Dan Parks: CFO CORPORATE COUNSEL Paul Boyd, Stoel Rives, LLP (Boise, ID.) AUDITORS Decoria, Maichel, & Teague P.S. (Spokane, WA.) TRANSFER AGENT Columbia Stock Transfer Company (Post Falls, ID) ANTIMONY, THOMPSON FALLS, MT Marilyn Sink: Plant Manager Lance Sink: Assistant Manager Matt Keane: Director Sales Tony Lyght: Maintenance Foreman ZEOLITE,PRESTON,IDAHO Angie Bengtson: General Manager Gerardo Sanchez: Plant Manager Dave Cole: Mine Manager MEXICO OPERATIONS Russell C. Lawrence: Director Latin America Jose Jesus Heriberto Torres Montes: Superintendent Reynaldo Angles: Mine Manager Los Juarez Luis Valeriio: Delgado Smelter ManagerSixtoBeserra: Chemist Smelter USAC MANAGEMENT TEAM 40

  41. Reclaimed tailings area, Thompson Falls, Montana. USAC is environmentally conscientious. 41

  42. FINANCIAL UPDATE – USAC CORPORATION 42

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