Locksley Continues to Strengthen its Position in Paving Pathway to 100% Made in America

Locksley Resources (OTCQB: LKYRF) has reported promising initial metallurgical test results from its Desert Antimony Mine (DAM) Prospect at the Mojave Project.

Rhea-AI Summary

Locksley Resources (OTCQB: LKYRF) has reported promising initial metallurgical test results from its Desert Antimony Mine (DAM) Prospect at the Mojave Project. The tests demonstrated antimony grades ranging from 27.5% to 39.1% with impressive recovery rates between 82.9% and 85.9% across six samples.

The results validate the project's potential to establish a domestic mine-to-market antimony supply chain, aligning with U.S. government priorities for critical mineral supply security. The company has partnered with Rice University to utilize their Deep Solv™ methodology for antimony extraction, advancing Locksley's U.S. Critical Minerals and Energy Resilience Strategy.

Positive

• High antimony grades reaching up to 39.1% in test samples
• Strong recovery rates of 82.9-85.9% using conventional flotation technology
• Strategic partnership with Rice University for DeepSolv™ technology development
• Project aligns with U.S. government priorities for domestic critical mineral supply

Negative

• Surface samples have been affected by oxidation, which could impact results
• Further testwork needed to optimize recovery rates

Argus Sep 22 session

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Company Reports Exceptional Initial Metallurgical Results for Its US Mojave Project

SAN BERNARDINO, Calif, Sept. 22, 2025 /PRNewswire/ -- Locksley Resources Ltd. (ASX: LKY; OTCQB: LKYRF) announced it has achieved significant results from initial metallurgical testwork completed by the company on samples collected from the Desert Antimony Mine (DAM) Prospect. These results validate that the Mojave Project can deliver feedstock required to underpin a domestic mine-to-market antimony supply chain. Recovery rates of the level indicated in the initial testing confirm Locksley's pathway to 100% Made in America Antimony, which is directly aligned with U.S. government priorities for onshore critical mineral supply security.

For the six samples assessed, antimony grades ranged from a low of 27.5% to a high of 39.1%. Recovery rates ranged from 82.9% to 85.9% among the six samples. Additional details are available here: https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-02996029-6A1284968&v=c2533a54e2514fb77a8f93f84db686e1125273e9

"This is an excellent milestone to have achieved for the Mojave Project," said Julian Woodcock, Technical Director of Locksley Resources. "It demonstrates that conventional flotation technology is suitable to produce a stibnite concentrate from the Desert Antimony Mine Prospect. What is also remarkable is the success of the testwork on surface samples, which have been susceptible to oxidation. I am extremely encouraged by the results and optimistic that with further testwork we will be able to improve on this already high-quality first-pass outcome. This activity continues to rapidly advance our strategy to provide onshore supply of antimony to the U.S. market."

Concentrate from these tests was sent to Rice University to commence with Deep Eutectic Solvent Extraction testwork using Rice University's Deep Solv™ methodology, in conjunction with the recently announced partnership by Locksley and Rice.

Locksley Resources (https://www.locksleyresources.com.au) is an Australian-based explorer focused on critical minerals and base metals, with assets in both the U.S. and Australia. The company is actively advancing its U.S. asset, the Mojave Project, in California, targeting rare earth elements (REEs) and antimony. The company has also announced a strategic collaboration with Rice University to develop DeepSolv™, for domestic processing of North American antimony. The agreement is part of Locksley's U.S. Critical Minerals and Energy Resilience Strategy to accelerate "mine-to-market" deployment of antimony in the U.S.

Contact: Beverly Jedynak, beverly.jedynak@viriathus.com, 312-943-1123; 773-350-5793 (cell)

View original content:https://www.prnewswire.com/news-releases/locksley-continues-to-strengthen-its-position-in-paving-pathway-to-100-made-in-america-302562438.html

SOURCE Locksley Resources

FAQ

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

What were the key metallurgical test results from Locksley Resources' (LKYRF) Mojave Project?

The tests showed antimony grades of 27.5% to 39.1% with recovery rates ranging from 82.9% to 85.9% across six samples from the Desert Antimony Mine Prospect.

How does Locksley's Mojave Project align with U.S. strategic interests?

The project supports U.S. government priorities by developing a domestic mine-to-market antimony supply chain, enhancing critical mineral supply security.

What is the partnership between Locksley Resources and Rice University?

Locksley has partnered with Rice University to utilize their Deep Solv™ methodology for domestic processing of North American antimony.

What are the next steps for Locksley Resources' (LKYRF) Mojave Project?

The company plans to conduct further testwork to improve recovery rates and continue developing their domestic antimony supply chain strategy.

What technology is Locksley using for antimony processing at the Mojave Project?

Locksley is using conventional flotation technology for initial processing and will implement Rice University's Deep Eutectic Solvent Extraction (Deep Solv™) methodology for further processing.