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Tuesday, 05/10/2022 12:38:32 PM

Tuesday, May 10, 2022 12:38:32 PM

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Ucore Announces Successful Independent Expert Evaluation of RapidSX Rare Earth Separation Technology

Halifax, Nova Scotia (April 27, 2022) – Ucore Rare Metals Inc. (TSXV: UCU) (OTCQX: UURAF) (“Ucore” or the “Company”) is pleased to report the positive conclusions of a multi-phase, independent, third-party technical review of RapidSX™ technology (the “Independent Evaluation” or the “Evaluation”) prepared by Dr. Ahmad Ghahreman of AG Hydrometallurgy Services Inc. (“AGHS“) as a noted subject-matter-expert1. With a focus on the technical assuredness, benefits, and scalability of the RapidSX™ technology specifically for the separation of rare earth elements (“REEs“) for the production of commercial-grade rare earth oxides (“REOs“), the Independent Evaluation concludes the following:

RapidSX™ is capable of separating both light and heavy REEs for producing high-quality REOs and uses the same chemistry as proven conventional solvent extraction (“CSX“) processes but with faster kinetics; thus, no chemistry risk at scale-up;

RapidSX™ process shows itself to likely be 3 times as efficient as CSX, concluding a production plant can potentially have a 2/3 smaller footprint than a CSX plant of the same capacity with an associated separation process capital cost (“CAPEX“) reduction of 50% or better;

RapidSX™ for the separation and purification of REEs is dependent on its chemistry (same as CSX) and, given a smaller footprint for the same throughput, should have an expected operating cost (“OPEX“) of 20% less than CSX for the same purpose; and

RapidSX™ is a modular process making it scalable with minimal risk. The process can be designed to process REEs in the range of 1,000 to 10,000+ tonnes per annum.

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