L'étude d'IGS propose un développement innovant et durable du gisement d'Oka

Lab tests show better niobium recovery, but no financials or project economics disclosed.

Risk flags

• ●Operational risk is high, as all results are from laboratory-scale tests on composite samples; there is no evidence these results will translate to full-scale operations. The absence of pilot-scale or commercial-scale validation means scale-up challenges could undermine projected recoveries.
• ●Financial risk is significant due to the complete lack of cost, capital expenditure, or economic return data. Without a preliminary economic assessment or similar study, there is no basis to judge whether the improved recoveries will result in a viable project.
• ●Disclosure risk is present, as the company omits key information on permitting, project timelines, and next steps beyond further testing. The focus on technical metrics without context for project advancement or commercial strategy leaves investors unable to assess the likelihood of value realization.

Bottom line

This announcement demonstrates improved lab-scale niobium recovery and concentrate grades from the Oka deposit, with supporting data on rare earth and by-product content. While the technical results are credible and represent a step forward, the absence of any financial, economic, or operational context makes it impossible to assess commercial potential. The narrative projects value creation and environmental benefits, but these remain speculative without cost data, permitting progress, or a development timeline. For investors, this is a technical milestone, not an investable catalyst. To change this assessment, the company would need to disclose project economics, capital requirements, and a credible path to production. The key takeaway: technical progress is real, but investment relevance is unproven until economics are disclosed.

Announcement summary

(TSXV: NIO) (OTCQB: NIOCF) Nio Métaux Stratégiques inc. announced the results of a metallurgical study on the sustainable and optimized development of niobium and other critical and strategic minerals (MCS) from the Oka deposit, conducted by IGS Impact Global Solutions for the Centre technologique des résidus industriels (CTRI) as part of the Éléments08 initiative. IGS analyzed 95 samples from historical drill cores from zones S60 and HWM2 to create a representative composite sample of the historical resource, with the composite CM7-A weighing 31,856.9 g and containing 0.646% Nb2O5 and 4.291% P2O5. Flotation tests on the metallurgical test composite produced an open-circuit pyrochlore concentrate grading 52.75% niobium pentoxide (Nb2O5) with a niobium recovery of 81.14%, compared to the 2011 feasibility study reference of 44.5% Nb2O5 at 71.7% recovery. The concentrate also contained 11.75% TREO (total rare earth oxides), including approximately 83% cerium oxide (CeO2), 9% neodymium oxide (Nd2O3), and 3% praseodymium oxide (Pr6O11), as well as 1.5% zirconium (Zr), equivalent to 2.0% zirconium oxide (ZrO2), and 0.4% tantalum (Ta), equivalent to 0.49% tantalum pentoxide (Ta2O5). The study demonstrated that thorium and uranium contents in residues could be reduced from 2,000 and 1,000 ppm to 824 and 120 ppm, respectively. IGS recommends additional tests to evaluate phosphate recovery during pyrochlore concentrate production. The company projects that the new approach could increase project value through improved niobium recovery, phosphate by-product recovery, and extraction of rare earth elements that would otherwise be lost.

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