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American Tungsten and Antimony Produces Antimony Ingot at Del Sol Refinery Demonstrating U.S. Mine-to Metal Pathway

American Tungsten & Antimony (ATALF) has produced antimony ingot at the Del Sol Hydromet Refinery in Nevada using material from the White Spar Antimony Mine in Arizona, demonstrating a U.S. mine-to-metal pathway for antimony.

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American Tungsten & Antimony (ATALF) has produced antimony ingot at the Del Sol Hydromet Refinery in Nevada using material from the White Spar Antimony Mine in Arizona, demonstrating a U.S. mine-to-metal pathway for antimony.

This production is the first physical demonstration supporting the company’s U.S. vertical integration strategy and was completed without new processing infrastructure or new permitting for the current campaign. The CEO said the result highlights the potential strategic value of the proposed acquisition of the Del Sol plant and aligns with a vision for a U.S. “Critical Mineral Valley” integrating mining, processing and downstream capabilities.

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Positive

  • First antimony ingot produced from White Spar ore at Del Sol, demonstrating mine-to-metal pathway
  • Ingot production completed with no new processing infrastructure or permits for the current campaign
  • Test run supports potential strategic value of the proposed Del Sol plant acquisition
  • Portfolio includes the Antimony Canyon Project in Utah, described as one of the largest high-grade undeveloped U.S. antimony systems

Negative

  • None.

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NEW YORK, Sept. 22, 2026 /PRNewswire/ -- American Tungsten & Antimony Limited (ASX: AT4; OTCQB: ATALF) has demonstrated its U.S. mine-to-metal pathway with production of antimony ingot at the Del Sol Hydromet Refinery in Nevada, using material from the White Spar Antimony Mine in Yavapai County, Arizona.

The production of antimony ingot represents the first physical demonstration of the mine-to-metal pathway underpinning the company's US vertical integration strategy. The material processed produced antimony ingot without requiring new processing infrastructure or new permitting for the current campaign. More information is available here: https://asx.api.cmfyapp.com/asx-research/1.0/file/2924-03137347-6A1344597&v=undefined.

Casper Adson, Chief Executive Officer of American Tungsten & Antimony said, "This is a major milestone for us and a tangible demonstration of the potential strategic value of our proposed acquisition of the Del Sol plant. A mine-to-metal pathway for critical minerals on US soil is a key focus for the US and represents an important step toward our vision for a Critical Mineral Valley that brings US mining processing and downstream capabilities together in one integrated platform."

American Tungsten & Antimony (https://www.ataa.com) is advancing critical mineral development in Tier-1 US jurisdictions with the strategic vision to become a vertically integrated, conflict-free supplier to Western economies. The company's flagship Antimony Canyon Project in Utah is one of the country's largest and highest-grade undeveloped antimony systems, historically mined but never subjected to modern exploration. The Tennessee Mountain Tungsten Project in Nevada and the Dutch Mountain Project in Utah further strengthen the company's critical minerals position, adding scale and diversification.

Cision View original content:https://www.prnewswire.com/news-releases/american-tungsten-and-antimony-produces-antimony-ingot-at-del-sol-refinery-demonstrating-us-mine-to-metal-pathway-302886041.html

SOURCE American Tungsten and Antimony

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What material was used to produce the antimony ingot at Del Sol?

The ingot was produced at the Del Sol Hydromet Refinery in Nevada using material from the White Spar Antimony Mine located in Yavapai County, Arizona.

Why does American Tungsten & Antimony consider this ingot production a milestone?

The company describes it as the first physical demonstration of its U.S. mine-to-metal pathway, which underpins its vertical integration strategy and is seen as evidence of the potential strategic value of the proposed Del Sol plant acquisition.

What is American Tungsten & Antimony’s broader strategic vision in the U.S.?

The company aims to create a “Critical Mineral Valley” that brings U.S. mining, processing and downstream capabilities together on one integrated platform, and to become a vertically integrated, conflict-free supplier of critical minerals to Western economies.

Which other critical mineral projects does the company highlight?

American Tungsten & Antimony highlights its flagship Antimony Canyon Project in Utah, the Tennessee Mountain Tungsten Project in Nevada, and the Dutch Mountain Project in Utah as strengthening its critical minerals position through scale and diversification.

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