United States Antimony Corporation · NYSE:UAMY
United States Antimony — Investor Presentation (February 2026)
20 slides from United States Antimony's investor presentation, Feb 27, 2026
Slide 1: United States Antimony Corporation Investor Presentation
1 UNITED STATES ANTIMONY CORPORATION NYSE / UAMY NYSE TEXAS / UAMY INVESTOR PRESENTATION
Slide 2: Forward-looking statements and cautionary notes
References in this presentation to the “Company,” “US Antimony,” “USAC,” “we,” “us” and “our” refer to United States Antimony Corporation and its consolidated subsidiaries (“USAC”) . The statements in this presentation that are not historical facts may be forward - looking statements . Within the me
Slide 3: Over 55 years of proven execution: company milestones
3 1968 Company founde d 201 2 Company lists on NYSE under Ticker Symbol UAMY 202 3 Q3 - A turnaround of the company begins 202 4 Significant board & management changes 2024 New management team atalllevels installed 202 4 Alaska mining claims and Canada mining claims acquisition 202 5 Madero smelter
Slide 4: Scaling North America's only fully integrated antimony producer
SCALING NORTH AMERICA’S ONLY FULLY - INTEGRATED ANTIMONY PRODUCER U.S. Antimony is North America’s only fully integrated primary antimony miner and producer - and the region’s only down stream ma nufacturer of finished antimony products - supported by two fully permitted, operational antimony smelte
Slide 5: Antimony uses
Military & Defense (32%) • 300 types of ammunition • Artillery shells • Laser guided missiles • Military electronics • Aircraft carriers • Fighter jets • Night vision • Military tents, cots, & uniforms 5 Antimony Uses Antimony (Sb), a critical mineral & semimetal with the atomic number 51 Energy & T
Slide 6: Robust portfolio of mission-critical products
6 Antimony is a designated critical material, essential for defense, energy and technology applications Our Portfolio Offering ANTIMONY ANTIMONY OXIDE ANTIMONY METAL ANTIMONY TRIOXIDE ANTIMONY TRISULFIDE Lead alloy hardener, Batteries, Ammunition, Bearings, Semiconductors Ammunition & military uses,
Slide 7: Structural undersupply and demand tailwinds driving antimony prices higher
7 STRUCTURAL UNDERSUPPLY & SECULAR DEMAND TAILWINDS DRIVING ANTIMONY PRICES HIGHER Antimony price surge in 2024 – 2025 reflects large supply - demand imbalance, and U.S. Antimony is well positioned to meet fast - growing western demand through domestic smelting capabilities Global Supply Constraints
Slide 8: Antimony ore sourcing: Chad, Peru, Australia, Bolivia
8 • • • • Contracts finalized for initial delivery (400 metric tons) starting in November 2025 Anticipating ongoing future shipments exceeding 100 metric tons per month High - quality material (60%+ antimony) US/Chadian citizen contracted to manage better pricing and logistics from Chad PERU • • App
Slide 9: Expanded critical mineral portfolio to support further growth
9 EXPANDED CRITICAL MINERAL PORTFOLIO TO SUPPORT FURTHER GROWTH U.S. Government Listed Critical Minerals U.S. Antimony’s Exploration Minerals Portfolio1 U.S. Antimony’s Non - Critical Minerals Portfolio U.S. Antimony’s Expanded Critical Mineral Portfolio 9 83 Bi Bismuth 208,98037 92 U Uranium 238,02
Slide 10: Strategic capacity expansion via JV hosted facility in Idaho
10 Strategic Capacity Expansion via JV Hosted Facility Adjacent to Existing Mine Site in Idaho 10 Americas Gold and Silver Corporation produces antimony, silver and copper at its 100% - owned Galena Complex, an underground mine in Idaho’s Silver Valley Galena Mine complex, Idaho New JV Hydromet Faci
Slide 11: Growing portfolio of strategic mining claims across the U.S. and Canada
11 GROWING PORTFOLIO OF STRATEGIC MINING CLAIMS & ASSETS ACROSS THE U.S. & CANADA Alaska Antimony Claims Cobalt Mining in Canada Tungsten Claims In Canada 1 1 • 27,000 acres: 236+ mining claims in Alaska Fairbanks, Mohawk, Quill, Tok, and Maclaren River • Focus areas Contain Antimony, Gold, Silver,
Slide 12: Zeolite mine and crushing plant, Preston, Idaho
12 • 25 Employees • New V.P.of Operations and experienced plant manager • New 10 Year Lease Executed • Recently hired two new sales people (Water Treatment and Cattle) • Modernizing and streamlining crushing/packaging equipment • Drilled 82 test holes for reserve evaluation • Finished SEC Technical
Slide 13: Notable milestones as of February 2026
13 NOTABLE MILESTONES AS OF FEBRUARY 2026 • Third Quarter and Nine Months Ended September 30 , 2025 - Revenues and Gross Profit were at records • Restarted Madero Antimony Smelter in Mexico in April with new international shipments of raw ore arriving monthly • Continued leasing of new mining claims
Slide 14: Strong revenue and gross profit generation
14 2025 Revenue (US $mm) Gross Profit (US $mm) STRONG REVENUE & GROSS PROFIT GENERATION NYSE / UAMY NYSE TEXAS / UAMY + 182% + 219% $ 9.3 2024 $ 26.2 $ 2.3 2024 $ 7.2 2025
Slide 15: Long-term strategic partnerships to secure North America supply chains
ATTRACTIVE, LONG - TERM STRATEGIC PARTNERSHIPS TO SECURE NORTH AMERICA SUPPLY CHAINS FOR ANTIMONY With global antimony supply increasingly constrained by China’s dominant position, the U.S. supply crunch is intensifying, strengthening the case under DPA for domestic production by 2027 We have secure
Slide 16: US Antimony financial snapshot
16 US Antimony Financial Snapshot Share Price (02/06/2026): 52 Week Range (02/06/2025 to 02/06/2026): Market Capitalization (02/06/2026): Cash, Fed Funds, and Marketable Securities (12/31/2025) Average Daily Volume (02/06/2025 to 02/06/2026): Shares Outstanding (12/31/2025): Q4 2025 Antimony Product
Slide 17: Anticipated catalysts 2026
Hydromet Joint Venture with USAS $27 M DOW Award for TF Expansion Uplist to NYSE Classic Tungsten Reserve Report Apply for Tungsten Award with DOW Apply for Cobalt Award with DOW Construct Hydromet Facility Cobalt Reserve Report $45 M DOE Award for Hydromet $50 M DOW Award for Hydromet Double Zeolit
Slide 18: Market cap vs share count growth
18 (107.6M) (108.4M) ($27M) 0% 1% 0% 1% (108.4M) 37% 1% (108.4M) 206% 1% 5% 643% (113.0M) 6% 837% (114.6M) 898% 14% (123.2M) 1,940% 19% 4,033% 29% (140M) 4,346% 30% (140M) 4,500% 4,000% 3,500% 3,000% 2,500% 2,000% 1,500% 1,000% 0% 500% Cumulative Change (%) MARKET CAP VS SHARE COUNT GROWTH t h Share
Slide 19: 19 NYSE / UAMY NYSE TEXAS / UAMY
19 NYSE / UAMY NYSE TEXAS / UAMY
Slide 20: Recent media coverage
Report Date February 11, 2026 February 10, 2026 February 3, 2026 February 24, 2026 The New American Revolution: Silver, Antimony & U.S. Independence Payne Capital| February 12, 2026 LINK USAC announces New Joint Venture with Americas Gold and Silver Corporation Bloomberg Television | February 10, 20
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