American Rare Earths Reports High-Grade Assays From First Six Red Mountain Holes

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American Rare Earths has reported its first certified assay results from the initial six HQ core holes of its 2026 Feasibility Study drilling program at the Cowboy State Mine within the Red Mountain Project in Wyoming. The six holes returned a pooled average grade of 3,497 parts per million Total Rare Earth Oxides, well above the project's resource cut-off grade of 1,000 ppm TREO, with drill hole HC26-RM051 delivering a maximum single-sample assay of 9,084 ppm TREO over a 3.02-metre interval. Across 386 geological assay intervals analyzed to date, TREO grades averaged 3,497 ppm with a median grade of 3,879 ppm, and roughly 93% of all certified sampled intervals exceeded the established cut-off grade. The results cover six of the planned 18 HQ core holes, with assay data from the remaining 12 holes expected as laboratory processing and technical reviews continue. Chief Development Officer Andrew Conover said the results align closely with the existing Cowboy State Mine geological model and Mineral Resource Estimate, and the company said further results will be released as assays become available and quality assurance reviews are completed.

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High-grade certified assays from first six Red Mountain holes (avg 3,497 ppm TREO, 93% above cut-off) support the Cowboy State Mine resource model and feasibility study

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