United States Antimony Corporation

United States Antimony Corp. produces and sells antimony products, precious metals, and zeolite through operations in the United States and Mexico, with additional mining claims and development properties in Alaska, Montana, and Ontario. The company is organized around two reportable segments: antimony and zeolite.

−18,6 %

25,2 %

−11,1 %

+162,8 %

5.38

4.15

— United States Antimony Corporation
%
Antimony products85% Processed antimony forms including metal ingots, oxide, and trisulfide for industrial and defense uses.
Precious metals by-products5% Gold and silver recovered alongside antimony processing and sold as by-products.
Zeolite products10% Mined and processed zeolite used in filtration, absorbents, and industrial applications.

The company sells antimony products to industrial customers and to government-related buyers that need material for...

  • U.S. government and defense procurementprimary

    Buys antimony metal ingots for the National Defense Stockpile and related strategic needs.

  • Industrial antimony customersprimary

    Buys antimony oxide, ingots, and trisulfide for manufacturing and specialty applications.

  • Zeolite customerssecondary

    Buys zeolite for filtration, absorbent, and industrial uses.

  • Precious metals buyerssecondary

    Buys gold and silver recovered as by-products from processing operations.

Operations are centered in the United States and Mexico, with antimony processing facilities in Montana and Mexico and...

  • United States is the core operating base and primary sales market
  • Montana hosts antimony processing and concentration facilities
  • Mexico supports antimony processing through USAMSA facilities
  • Idaho is the base for Bear River Zeolite operations
  • Alaska and Ontario are development areas, not yet active operations

The company is focused on expanding antimony supply capacity, securing long-duration customer contracts, and improving...

01
Expand antimony supply to strategic and industrial customersshort-term

Long-duration supply contracts can stabilize demand and support scale in a niche mineral market.

02
Develop and integrate new mining and processing assetsmedium-term

Additional claims and facilities can broaden ore access and reduce reliance on third-party supply.

03
Improve cash flow and operating flexibilityshort-term

Working capital and capital access are important in a commodity-processing business with inventory and delivery timing needs.

The business is exposed to commodity price volatility, supply-chain disruption, and execution risk in sourcing...

high

Commodity price volatility in antimony

Antimony pricing affects sales values and can pressure economics under long-term or fixed-price arrangements.

Scope
Antimony segment
Materiality
high
high

Non-domestic ore supply disruption

The company relies on foreign ore purchases that can be delayed, misgraded, or fail to arrive after payment.

Scope
Ore sourcing and processing
Materiality
high
high

Government contract performance and policy risk

The DLA contract depends on delivery timing, compliance, and procurement policy continuity.

Scope
U.S. Defense Logistics Agency contract
Materiality
high
medium

Trade policy and tariff exposure

Tariffs or retaliatory tariffs can increase import costs and reduce demand for imported ore or finished product.

Scope
Cross-border supply chain
Materiality
medium
Revenue recognition on long-term supply contracts
The DLA contract had no revenue recognized during the period despite being awarded
Inventory and production timing
Quarterly comparability can be distorted by shipment timing and stockpile builds
By-product sales presentation
Segment economics can look different depending on whether by-products are included
Asset impairment and valuation
Carrying values of mining properties and facilities may be at risk of write-downs

: 29.4.2026