Ms. Marcy Kiesman reports

QUANTUM PROVIDES EXCEPTIONAL HIGH-GRADE SILVER AT BABINE SOUTH

Quantum Critical Metals Corp. has released high-grade silver results from surface sampling at its Babine South property in British Columbia, including independent reassay confirmation of bonanza-grade silver up to 308 ounces per tonne (9,580 grams per tonne) Ag (silver).

"These results confirm the exceptional silver potential of the Babine South project, underscoring both the exploration upside and the broader scale opportunity. Silver has moved firmly into the global spotlight as demand accelerates across AI and quantum computing, the defence sector, and the buildout of modern power infrastructure. Record-high silver prices further highlight its importance as a strategic metal. The reanalysis and independent confirmation of extremely high-grade silver mineralization provide a strong technical basis for advancing Babine South to its next phase of exploration," said Marcy Kiesman, chief executive officer.

2025 sampling highlights

Surface rock sampling from the 2025 field program returned silver values ranging from 10.9 parts per million to 1,150 ppm (0.35 to 36.97 ounces per tonne Ag), accompanied by anomalous base metals:

• Silver: up to 36.97 oz/t;
• Zinc: up to 13,500 ppm (1.35 per cent);
• Lead: up to 3,710 ppm (0.37 per cent).

Why this matters for investors:

• Bonanza-grade silver confirmed by independent laboratory;
• Multiple high-grade surface occurrences;
• Polymetallic system with zinc and lead credits;
• Located in a top-tier Canadian mining jurisdiction;
• Leverage to silver amid a global supply deficit;
• Silver added to the critical metal list in 2025 in United States.

Planned next steps on the Babine South property include expanded geological mapping, targeted surface sampling and an induced polarization (IP) survey. These programs are expected to refine the existing geophysical and geochemical anomalies, and help further delineate priority drill targets for the 2026 exploration season.

Table 1 summarizes anomalous assay results from surface sampling.

Grab samples are selective by nature and may not represent the true underlying mineralization. The reported results are from surface rock samples only and do not constitute a mineral resource or reserve.

Reassay confirmation of 2024 high-grade samples

Previous sampling completed in late 2024 returned silver assays as high as 110 oz/t (3,430 grams per tonne), along with elevated zinc and copper values.

To reconfirm these high-grade results, four representative samples from the 2024 program were reassayed at a second independent laboratory in 2025 and confirmed silver values ranging from 212.84 to 308.00 oz/t. The samples were analyzed by SGS Canada Minerals, Lakefield, using SGS Method GC_FAG32V (30 g fire assay for silver). SGS Lakefield operates in accordance with ISO/IEC 17025 standards. Table 2 summarizes the results.

Grab samples are selective by nature and may not represent the true underlying mineralization. The reported results are from surface rock samples only and do not constitute a mineral resource or reserve.

About the Babine South project

The Babine South property covers four mineral claims and is approximately 1,070 hectares. The geology of the Babine South project area includes phyllite, marble and dioritic and monzonitic volcanic and igneous rocks. Four phases of veining run through the area and are crosscutting. The deposit is thought to be epithermal however historically there was some association of the veining with the foliation and shear zones. Mineralization includes quartz-carbonate veins including native silver, galena, sphalerite, tetrahedrite, argentite, chalcopyrite.

The company would also like to announce the grant of four million incentive stock options to directors and consultants at an exercise price of 10 cents for a period of five years.

Qualified person

Melanie Mackay, PGeo, EGBC (Engineers and Geoscientists British Columbia) 35256, is a director and qualified person for Quantum and approves the technical content of this news release. None of the historical information in the release has yet been verified by the company and should not be relied upon.

About Quantum Critical Metals Corp.

Quantum Critical Metals 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 Quebec, the Discovery gallium-rubidium-cesium and polymetallic project in Quebec, the Victory antimony 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.

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