<div id="readability-page-1"><div>(TheNewswire)Advancing Critical MineralExploration in North AmericaVancouver, BC – TheNewswire- April 2, 2026 – Quantum Critical Metals Corp. (TSX.V: LEAP | OTCQB: ATOXF | FSE:86A1)(“Quantum” or the “Company”) is pleased to announce that is hasreceived approval from Ministère des Ressources naturelles et desForêts for a drilling permit authorizing up to 121 diamond drillholes at its NMX East property, located in the James Bay - EeyouIstchee region of northern Québec. The permit enables the Company to undertake systematicexploration drilling across the project area. The planned program willfocus on muscovite-rich pegmatite dykes with the objective ofdelineating mica hosted critical mineralization, including gallium andrubidium. In addition, drilling is planned within an ultramafic rockpackage on the southern portion of the property to evaluate thepotential for nickel polymetallic-mineralization, as previouslyoutlined in the Company’s news release on August 14th, 2025.Marcy Kiesman, CEO of Quantum stated, “Receiving thedrill permit from the Ministére des Ressources naturelles et des Forets marks asignificant an important step forward in advancing the NMX EastProject. The approval enables Quantum to initiate a comprehensive,multi phase drilling program designed to systematically definemineralization across both pegmatite and ultramafic packages. Withgrowing global demand for critical minerals such as gallium, rubidiumand nickel, advancing NMX East supports our strategy of developing newsources of strategic metals within stable North American jurisdictionsand strengthening Western supply chains.” The 121-drill hole program is expected to be executedin multiple phases over the next two years, allowing the Company toincorporate analytical results from each phase into the design ofsubsequent campaigns and optimize exploration.The NMX East Project is strategically located inQuébec, one of the world's leading mining jurisdictions,and is being explored for its potential to host critical mineralsassociated with muscovite rich pegmatite systems. The Company believesthat continued exploration success at NMX East, combined with itsmetallurgical advancements in recovery of critical metals frommuscovite mica, positions Quantum to play an important role insupporting secure Western supply chains for strategic minerals.The Company has granted an aggregate of 4,000,000incentive stock options to certain consultants, directors and officersof the Company in accordance with the Company’s stock option plan.The options are exercisable at a price of $0.07 per common share. Theoptions are valid for a period of three years and will vestimmediately in accordance with the Company’s stock option plan. Thegrant of options is subject to the acceptance of the TSX VentureExchange. About Quantum Critical MetalsCorp.Quantum Critical Metals Corp. (TSX.V: LEAP) (OTCQB:ATOXF) (FSE: 86A1) is a Canadian mineral exploration company focusedon advancing critical metals projects that power next-generationtechnologies. With a growing portfolio of promising assets—includingthe NMX East Gallium-Rubidium-Cesium Project in Québec, theDiscovery Gallium-Rubidium-Cesium andpolymetallic project in Québec, the Babine South Silver Project inBritish Columbia, and the newly acquired ProphecyGermanium-Gallium-Zinc Project inBritish Columbia, among others, the Company is strategicallypositioned to support the West’s transition to a secure andsustainable critical metals supply.To stay updated on Quantum’s latest developments,sign up for our mailing list and visit www.quantumcriticalmetals.com andwww.sedarplus.com.Marcy Kiesman, CEOTelephone: 604.428.2900 or 604.339.2243Email: marcykiesman@qcritical.com Website: www.quantumcriticalmetals.com Forward-Looking StatementsThis news release contains “forward‐lookinginformation or statements” within the meaning of applicablesecurities laws, which may include, without limitation, statementsthat address the upcoming work programs, and other statements relatingto the business, financial and technical prospects of the Company. Allstatements in this news release, other than statements of historicalfacts that address events or developments that the Company expects tooccur, are forward-looking statements. Although the Company believesthe expectations expressed in such forward-looking statements arebased on reasonable assumptions, such statements are not guarantees offuture performance and actual results may differ materially from thosein the forward-looking statements. Such forward-looking information reflects theCompany’s views with respect to future events and is subject torisks, uncertainties and assumptions, including those filed under theCompany’s profile on SEDAR at www.sedarplus.com. Factors that could cause actual results to differmaterially from those in forward-looking statements include, but arenot limited to, continued availability of capital and financing andgeneral economic, market or business conditions. The Company does notundertake to update forward‐looking statements or forward‐lookinginformation, except as required by law.Neither TSX Venture Exchange nor itsRegulation Services Provider (as that term is defined in the policiesof the TSX Venture Exchange) accepts responsibility for the adequacyor accuracy of this release.Copyright (c) 2026 TheNewswire - All rights reserved.</div></div>

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Quantum Critical Metals Corp. has received approval for a drilling permit for up to 121 diamond drill holes at its NMX East property in northern Québec. This permit allows for systematic exploration focused on muscovite-rich pegmatite dykes to delineate critical minerals like gallium and rubidium, as well as nickel polymetallic mineralization. The drilling program will be executed in multiple phases over the next two years, supporting the company's strategy to develop critical metal sources in stable North American jurisdictions. Additionally, the company has granted stock options to consultants and directors.

Quantum Receives 121 Drill Hole Permit for NMX East, Quebec