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U.S. ANTIMONY CORPORATION

U.S. ANTIMONY CORPORATION. JOHN LAWRENCE, CEO. RS – NOVEMBER, 2012. USAC CORPORATE OVERVIEW.

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U.S. ANTIMONY CORPORATION

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  1. U.S. ANTIMONY CORPORATION JOHN LAWRENCE, CEO RS – NOVEMBER, 2012

  2. USAC CORPORATE OVERVIEW • USAC is a rapidly growing natural resource company thatis making a concerted effort to increase its raw material supply from Mexican operations by new mining, additional milling and smelting capacity, and third party raw material feeds. • USAC is strategically postured as a major player in the antimony market as a fully integrated producer from mine to finished product.World resources of antimony are diminishing and demand is increasing. USAC CORPORATE OFFICES AND PLANT 47 Cox Gulch RoadThompson Falls, MT 59873 Phone: 406-827-3523Fax: 406-827-3543Email: tfl3543@blackfoot.net • USAC operates smelters in Thompson Falls, Montana and at Madero, Coahuila, Mexico, a gravity- and flotation mill in Guanajuato, Mexico, a mine at Los Juarez, Queretaro, Mexico, and a zeolite operation at Preston, Idaho. The Companyis the only significant domestic producer of antimony products. www.usantimony.com www.bearriverzeolite.com RS – NOVEMBER, 2012

  3. USAC is now operating the Puerto Blanco gravity-flotation mill in Guanajuato, Mexico 20 hours per day on third party antimony mine feed. Preliminary testing has been done on the Los Juarez antimony-silver-gold and negotiations are underway to sell the silver and gold. Production is anticipated later in Q4 2012. • USAC, with the exception of the natural gas pipeline and installation of a 500 ton per day (tpd) mill, will have finished the major CAPEX projects during Q4 2012. This includes completing the Puerto Blanco mill and doubling of the smelter capacity at Madero. • USAC became listed on the NYSE MKT under the symbol “UAMY” on May 7, 2012 • USAC combined revenues through 3Q 2012 were $8,681,271 RS – NOVEMBER, 2012

  4. ANTIMONY BACKGROUND World production and mine reserves 2011 in metric tons of metal (U. S. Geological Survey, Mineral Industrial Survey, Fourth Quarter 2011) Experience and Proprietary Technology and Equipment USAC 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. The Company has developed proprietary technology to smelt a variety of raw materials and remove impurities such as lead, arsenic, bismuth, mercury, selenium, silver, and gold. Mexican antimony deposits Most of the Mexican antimony deposits are oxide ores or mixed oxide sulfide deposits. The oxides, primarily the mineral senarmontite, are recoverable by gravimetric methods, typically jigs and tables. The sulfide ores, typically the mineral stibnite, are recoverable by flotation. During World War II, the United States had relied on Mexico for antimony. Historically, Mexico was at one point the second largest producer of antimony in the world. RS – NOVEMBER, 2012

  5. Inventory USAChas accumulated large inventories of raw materials at Madero, Puerto Blanco, and the Los Juarez property and is now planning to process and sell as much inventory as possible before the end of 2012. • Strategic metal • 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. • Uses of antimony RS – NOVEMBER, 2012

  6. PRICING Pricing of the metal is generally based on the London Metal Exchange average price C.I.F. Rotterdam per metric ton (a metric ton contains 2,204.6 pounds). Antimony oxide contains 83.1% antimony metal and it is typically the preferred product for pricing. RS – NOVEMBER, 2012

  7. USAC ANTIMONY DIVISION USAC has shipped 1,253,248 lbs of antimony through 3Q 2012 resulting in $6,678,725 revenues. RS – NOVEMBER, 2012

  8. MINING LOS JUAREZ PROPERTY, QUERETARO, MEXICO • At the Los Juarez property in Queretaro, Mexico, USAC relied on a Mexican Government publication, Consejo de RecursosMinerales, MonografiaGeologico-Minera del Estado de Querearo, pages74-75. The paper reported a reserve of 1,000,000 metric tons containing 253 grams per ton silver and 1.8% antimony. 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. Los Juarez mine face, "Minas Grande West“, is one of five faces, Los Juarez, Queretaro, Mexico. Preliminary progress includes surface mapping, analytic procedures, property acquisition, permitting, mining procedures, trucking negotiations, mill preparations, mill feed grade determinations, mill recovery, and smelting considerations. Detailed mapping and sampling delineated jasperoid mineralization over an east-west strike length of 3.5 kilometers with a maximum width of 1 kilometer. In all cases, the silver and gold mineralization is associated with antimony. Preliminary exploration indicates that this could be a deep-seated jasperoid. RS – NOVEMBER, 2012

  9. Drilling and blasting is establishing faces in the jasperoids. Truckload samples have assayed approximately 2% antimony, 8 ounces of silver and 0.015 ounces of gold per ton. Presently, the Company has more than 8,000 tons of mill feed from Los Juarez. The antimony, silver, and gold are recoverable by flotation methods. The concentrate grade will be improved by depressing carbonaceous material in the feed. New paved road to Los Juarez, partially completed entire distance. RS – NOVEMBER, 2012

  10. Preliminary smelting has indicated good recovery and an excellent product grade. An initial mill trial of 250 tons of dump rock from Los Juarez has been completed. The dump rock was badly diluted with soil from the mine and mud from the mill yard. The results were as follows: RS – NOVEMBER, 2012

  11. MILLING PUERTO BLANCO MILL, GUANAJUATO, MEXICO The crushing circuit is run one shift to operate the mill for three shifts. It also includes a large pre-crusher for oversize rock from the Los Juarez deposit. Currently, the combination flotation-gravity mill has a capacity of 150 metric tpd. RS – NOVEMBER, 2012

  12. Conveyors at crusher, Puerto Blanco mill Pre-crusher circuit Puerto Blanco mill Cone crusher, Puerto Blanco mill Vertical shaft impactor (VSI) Puerto Blanco mill RS – NOVEMBER, 2012

  13. Puerto Blanco mill flotationcell A straight oxide circuit is nearing completion that will have a capacity of 75-100 tpd that can be run simultaneously with the flotation-gravity circuit. The permitting and installation of a 500 metric ton per day mill owned by the Company is planned for next year. This mill will be dedicated to Los Juarez and will utilize the present crushing circuit that is in place. Currently mill feed is from four satellite mines and from the Los Juarez deposit. Concentrating table, Puerto Blanco flotation-gravity circuit, showing recovery of oxide (yellow) minerals. Ball mill Puerto Blanco mill RS – NOVEMBER, 2012

  14. The Company had mined a property in the late 1980s known as “Sierra Guadalupe” in the State of Zacatecas. To our knowledge, there were no documented reports of on the geology, reserves, or production. Currently, the property is being mined by a third party who is delivering 2.5 to 5% mill feed at a rate of up to 1,000 tpm. They can produce up to 3,000 tpm when underground operations are resumed. USAC claims no reserves at this property. Puerto Blanco mill, Guanajuato, Mexico showing lined tailings pond USAC is sourcing mill feed and Direct Shipping Ore (DSO) for Madero from the Soyatal District in the State of Queretaro, Mexico. The deposit was the third largest producer in Mexico. Donald E. White (U. S. Geological Survey Bulletin 960-B, Antimony Deposits of Soyatal District, State of Queretaro, Mexico, 1948) prepared an extensive report and said that the production (p. 40) was estimated through 1943 at 25,630 metric tons of metal contained. USAC has an option to buy this property but claims no reserves. RS – NOVEMBER, 2012

  15. RS – NOVEMBER, 2012

  16. SMELTING THOMPSON FALLS SMELTER, MONTANA The Thompson Falls smelter produces antimony oxide, metal, and antimony tri-sulfide from sources around the world including the Madero smelter in Mexico. Using antimony metal as a feed, the plant is capable of producing 12,000,000 ppy (pounds per year) of finished oxide. Aerial view of Antimony, Silver and Gold Smelter RS – NOVEMBER, 2012

  17. MADERO SMELTER, COAHUILA, MEXICO USAC is in the process of doubling the smelter capacity with the goal of completion by the end of 2012. The capacity to produce will depend on the grade of the feed. With low grade 20-25% feed, the furnaces will produce 2,000 to 3,000 pounds per day (ppd) of contained antimony metal. With high-grade feed, such as flotation concentrates, the plant will produce 8,000 to 10,000 ppd of contained antimony metal. More furnaces will be added in the future if supported by market conditions. Smelter feed is being provided by several satellite mines and also by the USAC flotation-gravity mill at Puerto Blanco. USAC is also sourcing direct shipping ore (DSO) from the San Jose Mines near Wadley, San Luis Potosi, Mexico. The U. S. Geological Survey Bulletin 946-E, San Jose Antimony Mines Near Wadley, State of San Luis Potosi, Mexico, 1946, Donald E. White and Jenaro Gonzales R. prepared an extensive report and said the production through 1943 was 57,612 metric tons of metal contained. USAC claims no reserves at this property. A natural gas pipeline is being installed that is intended to reduce current fuel costs by 78%. Fuel costs are second only to raw materials. Madero Smelter, Coahuila, Mexico RS – NOVEMBER, 2012

  18. SILVER AND GOLD Sources Silver and gold is shipped from the Thompson Falls plant from resources in Canada and Europe. Production Later this year our silver and gold production will begin on a much larger scale from the Los Juarez deposit in Mexico. Payment We are expecting a 92%-94% payment for new precious metal (PM) production. Costs The Company expects costs for PM will be minimal to include transportation and in some cases casting. Most of the historic production, that will continue, involves no cost. RS – NOVEMBER, 2012

  19. ZEOLITE OPERATIONS BEAR RIVER ZEOLITE (BRZ™)www.bearriverzeolite.com BACKGROUND. At the Bear River Zeolite (BRZ™) operation, near Preston, Idaho, USAC began mining based on representations by George Desborough (deceased) of the U. S. Geological Survey. The zeolite is regarded as one of the best zeolites due to its high cation exchange capacity, low sodium content, hardness, and uniformity. BRZ plant, Preston, Idaho. BRZ™ has shipped 9,313 tons of zeolite through 3Q 2012 resulting in $2,002,546 revenues and a gross profit of $126,238. RS – NOVEMBER, 2012

  20. MININGMining is performed on open cut benches using an air track for drilling and blasting, loading with a Caterpillar 988 or excavator, and hauling with Cat 769 trucks. BRZ™ open pit loading zeolite. PROCESSING PLANTThe plant includes a conventional closed-circuit primary crusher, rotary dryers, tertiary crushing, high-frequency three-deck screens, a 6058 Raymond roller mill, blending equipment, and semi-automatic bagging equipment. The plant capacity is dependent on product sizes and blending but varies from 300 to 500 tpd. Raymond roller mill, BRZ™ plant, Preston, Idaho. RS – NOVEMBER, 2012

  21. USESThe 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. RS – NOVEMBER, 2012

  22. USAC MANAGEMENT TEAM USAC BOARD OF DIRECTORS Gary Babbitt (Boise, Idaho) John C. Lawrence (Thompson Falls, MT.) Russell C. Lawrence (Deary, ID) Hart W. Baits (Missoula, MT) Whitney H. Ferer (Omaha, Nebraska) Bernard J.Guarnera (Denver, Colorado) CORPORATE OFFICERS John Lawrence: President and CEO Matt Keane: Director Sales Alicia Hill; Secretary Dan Parks: CFO Russell C. Lawrence: Director Latin America John C. Gustavsen: Executive Vice President CORPORATE COUNSEL Paul Boyd, Stoel Rives, LLP (Boise, ID.) AUDITORS Decoria, Maichel, & Teague (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: Office Manager, Quality Control, Safety Engineer Penny Avery: Assistant Office Manager Gerardo Sanchez: Plant Manager Dave Cole: Mine Manager MEXICO OPERATIONS Russell C. Lawrence: Director Jose Jesus Heriberto Torres Montes: Superintendent Ricardo Martinez Aguilera: Chief Metallurgist Rafael Morales Rivera: Flotation Mill Metallurgist Reynaldo Angles: Mine Manager Los Juarez RS – NOVEMBER, 2012

  23. UNITED STATES ANTIMONY CORPORATION PO Box 643 Thompson Falls, Montana 59873 Phone: 406-827-3523 Fax: 406-827-3543 email: tfl3543@black.net NYSE: “UAMY” www.usantimony.com and www.bearriverzeolite.com Reclaimed tailings pond Thompson Falls, Montana USAC is environmentally conscientious RS – NOVEMBER, 2012

  24. Forward-Looking Statements This presentation contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 that are based upon current expectations or beliefs, as well as a number of assumptions about future events, including matters relating to the Company’s operations, pending contracts and future revenues. Although the Company believes that the expectations reflected in the forward-looking statements and the assumptions upon which they are based are reasonable, USAC can give no assurance that such expectations and assumptions will prove to have been correct. The reader is cautioned not to put undue reliance on these forward-looking statements, as these statements are subject to numerous factors and uncertainties. In addition, other factors that could cause actual results to differ materialy are discussed in the Company’s most recent filings, including Form 10-KSB as filed with the Securities and Exchange Commission. RS – NOVEMBER, 2012

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