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American Rare Earths Limited (AMRRY) generates a steady stream of project and technical updates as it advances the Halleck Creek Rare Earths Project in Wyoming. News coverage for AMRRY focuses on the company’s progress in exploration, mineral resource definition, mineral processing breakthroughs and engagement with U.S. critical minerals initiatives.
Recent announcements highlight test mining at the Cowboy State Mine area, where ore was excavated and crushed under a Wyoming exploration license to supply comminution and beneficiation optimization programs and to build stockpiles for a planned demonstration plant. Other releases detail updated mineral resource estimates for the Cowboy State Mine area, incorporating channel sampling and new drilling permits that support future development and exploration in zones such as Bluegrass and Red Mountain.
Technical news is a major theme. The company reports extensive leach testing, selection of atmospheric tank leaching, and a significant impurity removal breakthrough for its allanite-based ore using magnesium oxide, which reduced problematic by-products and removed deleterious elements from leach solutions. Additional updates describe preliminary Reflux Classifier Concentrator tests, comminution work with international vendors and the successful production of mixed rare earth oxalate and mixed rare earth oxide from Halleck Creek ore.
Corporate and strategic items also appear in AMRRY news, including board changes, executive appointments, funding activities, and an expanded relationship with Tetra Tech to pursue U.S. government funding opportunities. Investors and observers can use the AMRRY news feed to follow how these technical, regulatory and corporate developments shape the company’s stated goal of contributing to U.S. mine-to-magnet supply chains.
American Rare Earths (ASX: ARR, OTCQX: ARRNF, ADR: AMRRY) appointed Nick Lissolo as Chief Commercial Officer, effective immediately, elevating him from Vice President, Corporate Development and Strategy as the company advances its Halleck Creek Rare Earths Project in Wyoming toward development.
According to American Rare Earths, Lissolo’s expanded remit covers Nasdaq listing options and execution for the U.S. listing pathway, U.S. investor relations, mine-to-magnet commercial partnerships, Wyoming government and stakeholder engagement, and continued leadership of the Whole of Property Development Assessment across the broader Halleck Creek land package.
Lissolo joins the executive team with 17 years of mining finance and project evaluation experience, including senior roles at Newmont Corporation handling financial modeling and capital allocation for projects ranging from $100 million to $5 billion, and brings Wyoming roots and local relationships relevant to Halleck Creek.
American Rare Earths (ASX: ARR, OTCQX: ARRNF, ADR: AMRRY) signed a Memorandum of Understanding with U.S. metallization specialist Novex to convert separated rare earth oxides from the Halleck Creek project in Wyoming into metals for permanent magnets. The MoU, executed via subsidiary Wyoming Rare (USA), frames collaboration on process optimization for NdPr, Tb, Dy, Sm and Y, metallization of demonstration-plant NdPr oxide, and joint design of a rare earth metal production facility to be built by American Rare Earths.
The agreement follows a technology review that identified high‑temperature molten salt electrolysis as the primary oxide‑to‑metal route. Halleck Creek hosts a JORC mineral resource of about 2.63 billion tonnes of rare earth oxides and benefits from a non‑binding U.S. EXIM Bank funding letter of interest up to US$456 million. The parties aim to finalize a definitive long‑term collaboration and supply agreement within 12 months, supporting a fully domestic U.S. mine‑to‑magnet supply chain.
American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) has reaffirmed its commitment to a NASDAQ listing and is reviewing multiple pathways, including a NASDAQ compliance listing, a U.S. IPO with concurrent NASDAQ listing, and other U.S. structures, supported by a leading North American financial advisor and BDO-led PCAOB audit work.
The company is converting its Halleck Creek resources to SEC Regulation S-K 1300 standards to meet U.S. disclosure requirements. American Rare Earths highlights U.S. Executive Order 14415 as a strategic tailwind for the Wyoming-based Halleck Creek Rare Earths Project and states it is progressing toward a NASDAQ listing in 2026, though no specific transaction has yet been approved.
American Rare Earths (ASX: ARR, OTCQX: ARRNF, ADR: AMRRY) has appointed mining projects executive Andrew Conover as Chief Development Officer, a new role focused on advancing the flagship Halleck Creek Rare Earths Project in Wyoming through the current Pre-Feasibility Study, a planned Final Feasibility Study, and towards construction.
According to the company, Conover brings around 20 years of mining project execution experience across the Americas, including leadership of a brownfield copper-molybdenum mill restart with an approximately US$350 million capital budget. As CDO, he will integrate and drive Halleck Creek’s pre-feasibility and feasibility programs, establish a development and execution framework from feasibility into permitting, detailed engineering and construction, and support a whole-of-property development assessment beyond the initial Cowboy State Mine area. The company also announced the retirement of Dwight Kinnes, recognizing his substantial contribution to Halleck Creek.
American Rare Earths (ADR: AMRRY) plans to appoint veteran miner Matthew D. Gili, current President & CEO of Ur-Energy, as Non-Executive Director, subject to Australian regulatory formalities. He will join the Technical Committee and support the Halleck Creek Rare Earths Project toward feasibility, construction and production.
The move is part of a broader Board renewal ahead of a targeted NASDAQ compliance dual-listing in H2 2026 and a prospective U.S. domicile in 2027. Halleck Creek, in Wyoming, is described as the largest known U.S. rare earth deposit on a TREO basis.
American Rare Earths (ADR: AMRRY) outlined 2026–2027 field programs across its U.S. rare earth portfolio, led by feasibility-stage work at Halleck Creek in Wyoming.
Plans include a ~3,050 m core drilling program at Halleck Creek, a Whole of Property Development Assessment through 2026, and staged exploration reviews at Beaver Creek, La Paz, and Searchlight.
American Rare Earths (ADR: AMRRY) has started its 2026 exploration drilling program at the Cowboy State Mine within the Halleck Creek project in Wyoming. The program underpins a Definitive Feasibility Study at what is described as one of the largest US rare earth deposits on a TREO basis.
The campaign plans up to 3,050 meters of HQ core across 19 holes, generating about 1,045 core samples for assays and extensive geotechnical, hydrological, environmental and metallurgical test work. Drilling began May 13, 2026, and is scheduled to finish by mid-July.
American Rare Earths (OTCQX: AMRRY) appointed Brook Brockman as Director of Public and Government Affairs for Wyoming Rare and Taylor Cable as Director, Projects & Engineering to support advancement of the Halleck Creek rare earths project in Platte and Albany Counties, Wyoming. The roles target local engagement, permitting support, and technical delivery for progression from studies into engineering and construction.
American Rare Earths (AMRRY) has defined a three-stage pilot plant pathway to accelerate production of pre-production rare earth oxide from the Halleck Creek Project.
Front-end milling and mineral concentration will occur in Wyoming (Western Research Institute, DISA) and final hydrometallurgical refining at SRC in Saskatoon, Canada, using the PFS flowsheet and experienced engineering leadership.
American Rare Earths (ADR: AMRRY) has awarded a Whole of Property Development Assessment (WPDA) for its 8,108-acre Halleck Creek rare earths project, with work starting in Q2 2026 and running through end-2026. The WPDA will integrate geology, metallurgy, mining and permitting to plan multi-phase development across Cowboy State, Red Mountain, Overton Mountain and Bluegrass.
Halleck Creek hosts ~2.63 billion tonnes in-situ and an estimated 8.64 million tonnes contained Total Rare Earth Oxide; Cowboy State shows a ~20-year mine life and a 0.383 strip ratio. The WPDA will use December 2025 processing test results to inform expansion scenarios and permitting pathways.