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News & Disclosures

American Antimony Corp. Signs Metallurgical Testing Agreement with Silver Opportunity Partners LLC, a Subsidiary of Sunshine Silver Mining & Refining Company (SSMRC)

  • American Antimony
  • Dec 8, 2025
  • 3 min read

AUSTIN, TX / ACCESS Newswire / December 8, 2025 / American Antimony Corporation (OTCID:XTPT), operating as Xtra Energy Corporation, a U.S.-based mineral development company focused on domestic antimony resources, and Silver Opportunity Partners LLC, a subsidiary of Sunshine Silver Mining & Refining Company (SSMRC), are pleased to announce they have entered into a formal Metallurgical Testing Agreement (MTA) to evaluate antimony-bearing material from American Antimony's American Antimony Project, located in Bernice Canyon, Nevada.


Through the agreement, American Antimony will supply test shipments of high-grade antimony ore for evaluation under the terms outlined in a Scope of Work, which governs the sampling, testing, and analysis procedures. Under the Scope of Work, Silver Opportunity Partners will conduct a series of metallurgical tests designed to:

  • Estimate antimony recoveries;

  • Identify potential penalty or deleterious elements;

  • Assess reagent consumption and processing compatibility; andDetermine the overall suitability of the material for integration into the existing Sunshine Silver flowsheet.


Initial testwork will be performed through third-party laboratories in coordination with Silver Opportunity Partners and SSMRC's technical team. If results indicate compatibility, the parties may elect to expand the testing program under mutually agreed terms to confirm full-scale processing suitability.


"This agreement represents another important step in developing a fully integrated, American-controlled supply chain for antimony," said Mac J. Shahsavar, P.Eng., CEO of American Antimony Corp. "We're proud to collaborate with a respected domestic partner like Sunshine Silver. This work will not only help validate the processing characteristics of our Nevada-sourced material but also advance the broader goal of establishing U.S. refining capability for this critical mineral."


Both companies note that antimony - a federally designated critical mineral-is vital for defense systems, semiconductors, energy storage, and flame-retardant materials. With global supply dominated by China and limited domestic production, developing secure U.S.-based sources and refining capacity remains a top priority for industry and national policy leaders.


About American Antimony CorporationOperating as Xtra Energy Corp. (OTC PINK:XTPT) a U.S.-based mineral resource company focused on advancing critical mineral supply chain independence. The Company's primary asset focus is antimony, a federally designated critical mineral essential to defense, semiconductors, and energy storage applications. Xtra Energy is developing a portfolio of high-grade, U.S.-based projects with near-term production potential, aimed at delivering scalable domestic supply solutions in alignment with national security and industrial priorities.


Contact & Learn More:

Xtra Energy Corporation Phone: 512-412-3636



FORWARD-LOOKING STATEMENTS:

This press release contains forward-looking statements as defined within Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements relate to future events, including our ability to raise capital, or to our future financial performance, and involve known and unknown risks, uncertainties and other factors that may cause materially different results, levels of activity, performance or achievements expressed or implied by these forward-looking statements. You should not place undue reliance on forward-looking statements since they involve known and unknown risks, uncertainties and other factors which are, in some cases, beyond our control and which could, and likely will, materially affect actual results, levels of activity, performance or achievements. Any forward-looking statement reflects our current views with respect to future events and is subject to these and other risks, uncertainties and assumptions relating to our operations, results of operations, growth strategy and liquidity. We assume no obligation to publicly update or revise these forward-looking statements for any reason, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, even if new information becomes available in the future.


For a discussion of these risks and uncertainties, please see our filings with the OTC Markets Group Inc. Our public filings with the OTC Markets Group Inc are available from commercial document retrieval services and at the website maintained by the OTC Markets at https://www.otcmarkets.com/stock/XTPT/disclosure.


SOURCE: Xtra Energy Corp.

View the original press release on ACCESS Newswire

 
 
 

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