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Quantum Positioning Québec Critical Minerals for European Investment, Offtake, and Strategic Partnerships

Vancouver, BC – TheNewswire - May 1 9 , 2026 – Quantum Critical Metals Corp. (TSX.V: LEAP | OTCQB: ATOXF | FSE: 86A1 ) (“Quantum” or the “Company”) is pleased to highlight its recent acceptance into the European Union’s Raw Materials Mechanism under the EU Energy and Raw Materials Platform , positioning the Company to engage with European investors, industrial partners, and potential offtake counterparties amid increasing focus on securing resilient critical minerals supply chains.

The European Union has identified significant supply gaps across a range of critical minerals essential to its energy transition and advanced manufacturing sectors, underscoring the need for new, reliable sources of supply and strategic international partnerships.

The EU Raw Materials Mechanism is designed to facilitate commercial partnerships between strategic projects, European industrial buyers, and financial stakeholders, supporting project advancement and enhancing supply chain resilience.

Building on this momentum, Quantum has been invited to participate in a Québec government-led economic mission focused on critical and strategic minerals (“CSM”) in Europe, taking place from May 18 to 22, 2026.

The mission, organized by the Ministère des Ressources naturelles et des Forêts in collaboration with Investissement Québec, will include meetings in Munich, Brussels, and Paris. Quantum is among a select group of Québec-based companies chosen to engage directly with European investors, manufacturers, and strategic partners.

Participation in the mission is expected to:

• Advance engagement with European industrial buyers and potential CSM offtake partners  

• Support engagement with strategic and institutional investors  

• Accelerate development pathways for Quantum’s Québec-based assets  

• Enhance visibility within priority global critical minerals supply chains  

• These initiatives align with Québec’s broader strategy to establish itself as a reliable and sustainable supplier of critical minerals essential to the global energy transition.  

“The EU Raw Materials Mechanism represents an important step in aligning our Québec-based projects with European demand and capital,” said Marcy Kiesman, CEO of Quantum. “Combined with our participation in this targeted European mission, we are engaging with investors, industrial partners, and potential offtake counterparties to advance the development of our assets and strengthen our position within the global CSM supply chain.”

About Quantum Critical Metals Corp.

Quantum Critical Metals Corp. (TSX.V: LEAP) (OTCQB: ATOXF) (FSE: 86A1) is a next generation Canadian mineral exploration company focused on rubidium, gallium, cesium, and silver. Quantum is advancing a high impact exploration portfolio in premier North American jurisdictions. The Company’s flagship assets include the NMX East and Discovery Rubidium-Gallium-Cesium Projects in the James Bay region of Québec and the Babine South Silver Project near Burns Lake, British Columbia – two districts with established geological pedigree and growing strategic relevance.

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: marcykiesman@qcritical.com  

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 not 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.

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