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Quantum Receives 121 Drill Hole Permit for NMX East, Québec Advancing Critical Mineral Exploration in North America

Exploration Programs Permits & Approvals

PO Box 31880

Steveston Village, BC, V7E 0B5, Canada

tel: 604.428.2900

[email protected]

www.quantumcriticalmetals.com

Quantum Receives 121 Drill Hole Permit for NMX East, Québec

Advancing Critical Mineral Exploration in North America

Vancouver, BC – April 2, 2026 – Quantum Critical Metals Corp. (TSX.V: LEAP | OTCQB: ATOXF | FSE: 86A1)

(“Quantum” or the “Company”) is pleased to announce that is has received approval from Ministère des

Ressources naturelles et des Forêts for a drilling permit authorizing up to 121 diamond drill holes at its

NMX East property, located in the James Bay - Eeyou Istchee region of northern Québec.

The permit enables the Company to undertake systematic exploration drilling across the project area. The

planned program will focus on muscovite-rich pegmatite dykes with the objective of delineat ing mica

hosted critical mineralization, including gallium and rubidium . In addition, d rilling is planned within an

ultramafic rock pa ckage on the southern portion of the property to evaluat e the potential for nickel

polymetallic-mineralization, as previously outlined in the Company’s news release on August 14th, 2025.

Marcy Kiesman, CEO of Quantum stated, “ Receiving the drill permit from the Ministére des Ressources

naturelles et des Forets marks a significant an important step forward in advancing the NMX East Project.

The approval enables Quantum to initiate a comprehensive, multi phase drilling program designed to

systematically define mineralization across both pegmatite and ultramafic packages. With growing global

demand for critical minerals such as gallium, rubidium and nickel , advancing NMX East supports our

strategy of developing new sources of strategic metals within stable North American jurisdictions and

strengthening Western supply chains.”

The 121-drill hole program is expected to be executed in multiple phases over the next two years, allowing

the Company to incorporate analytical results from each phase into the design of subsequent campaigns

and optimize exploration.

The NMX East Project is strategically located in Qu ébec, one of the world's leading mining jurisdictions,

and is being explored for its potential to host critical minerals associated with muscovite rich p egmatite

systems. The Company believes that continued exploration success at NMX East, combined with its

metallurgical advancements in recovery of critical metals from muscovite mica, positions Quantum to play

an important role in supporting secure Western supply chains for strategic minerals.

The C ompany has granted an aggregate of 4,000,000 incentive stock options to certain consultants,

directors and officers of the Company in accordance with the Company ’s stock option plan. The options

are exercisable at a price of $0.07 per common share . The options are valid for a p eriod of three years

and will vest immediately in accordance with the Company ’s stock option plan. The grant of options is

subject to the acceptance of the TSX Venture Exchange.

About Quantum Critical Metals Corp.

Quantum Critical Metals Corp. (TSX.V: LEAP) (OTCQB: ATOXF) (FSE: 86A1) is a Canadian mineral

exploration company focused on advancing critical metals projects that power next -generation

technologies. With a growing portfolio of promising assets —including the NMX East Gallium -Rubidium-

Cesium Project in Québec, the Discovery Gallium -Rubidium-Cesium and polymetallic project in Qu ébec,

PO Box 31880

Steveston Village, BC, V7E 0B5, Canada

tel: 604.428.2900

[email protected]

www.quantumcriticalmetals.com

the Babine South Silver Project in British Columbia, and the newly acquired Prophecy Germanium-Gallium-

Zinc Project in British Columbia, among others, the Company is strategically positioned to support the

West’s transition to a secure and sustainable critical metals supply.

To stay updated on Quantum’s latest developments, sign up for our mailing list and visit

www.quantumcriticalmetals.com and www.sedarplus.com.

Marcy Kiesman, CEO

Telephone: 604.428.2900 or 604.339.2243

Email: [email protected]

Website: www.quantumcriticalmetals.com

Forward-Looking Statements

This news release contains “forward-looking information or statements” within the meaning of applicable

securities laws, which may include, without limitation, statements that address the upcoming work

programs, and other statements relating to the business, financial and technical prospects of the Company.

All statements in this news release, other than statements of historical facts that address events or

developments that the Company expects to occur, are forward-looking statements. Although the Company

believes the expectations expressed in such forward -looking statements are based on reasonable

assumptions, such statements are not guarantees of future performance and actual results may differ

materially from those in the forward-looking statements.

Such forward-looking information reflects the Company’s views with respect to future events and is subject

to risks, uncertainties and assumptions, including those filed under the Company’s profile on SEDAR

at www.sedarplus.com. Factors that could cause actual results to differ materially from those in forward-

looking statements include, but are not limited to, continued availability of capital and financing and

general economic, market or business conditions. The Company does n ot undertake to update forward -

looking statements or forward-looking information, except as required by law.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies

of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.