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Vancouver, BC – November 13, 2026 – TheNewswire - Uranium One  Mining Corp. ("Uranium One" or the "Company") ( UUU: CSE | UUUFF: OTCID | SL51: Frankfurt ) is pleased to announce that it has engaged Derrick Strickland, a consulting geologist and Qualified Person as defined under National Instrument 43-101 – Standards of Disclosure for Mineral Projects ( “NI 43-101” ), to prepare a technical report on the Company's recently acquired Foghorn Critical Mineral Project ( “Foghorn” or the “Project” ), located near Birch Island in south-central British Columbia."

The engagement represents a step toward evaluating the Project’s historical exploration and establishing recommendations for further work. Foghorn represents an opportunity to advance, multi-commodity mineral system with demonstrated potential for fluorite, rare earth elements ( "REEs" ), celestite, thorium, and historical uranium mineralization.

David Greenway, President of the Company, commented: “Foghorn presents a compelling opportunity to build on decades of exploration and evaluate the broader critical mineral potential of this hydrothermal system. The extensive fluorite mineralization, together with historically reported occurrences of rare earth elements and celestite, provides a strong foundation for modern exploration. Reported historical exploration included in excess of 368 drill holes and approximately 17,280 metres of drilling, with previous reputable operators, including Denison Mines and Placer Dome, contributing to a substantial geological database. By integrating this historical information with modern exploration techniques, we aim to refine priority targets and assess mineral potential that may not have been fully evaluated by earlier programs.”

About the Foghorn Critical Mineral Project

The Foghorn Critical Mineral Project hosts a historically identified volcanogenic hydrothermal system developed within altered alkalic volcanic rocks of the Eagle Bay Formation, representing a concentration of critical minerals within a single mineralizing environment. Historical work indicates that this robust hydrothermal event enriched the system in fluorine, rare earth elements, strontium and other strategic minerals, creating a broad, structurally controlled mineralized corridor with significant exploration upside.

One of the distinguishing characteristics of the Foghorn Critical Mineral Project is the historically reported occurrence of rare earth elements and celestite in association with fluorite mineralization. Historical analyses identified the presence of several rare earth elements, including lanthanum, cerium, yttrium, samarium, gadolinium, dysprosium and ytterbium. Reported historical rare earth oxide ( “REO” ) values ranged from 0.24% to 1.88% REO, including composite values of approximately 1.03% REO. Historical geological records also identify the presence of the rare earth- bearing mineral bastnaesite, further highlighting the Project's potential for multi-commodity mineralization.

At the core of the project lies an extensive fluorite-rich system that has been traced for at least 410 metres along strike, with a reported width of approximately 38 metres (true width unknown), remains open both along strike and at depth, and is closely associated with a strong hydrothermal alteration footprint and well-developed structural controls.

Historical drilling returned notable fluorite intersections, including 28% CaF ₂ over 40 feet, yet several of the strongest mineralized areas remain effectively untested. The lack of meaningful follow-up work beyond these intercepts highlights a compelling opportunity to expand the known mineralized footprint.

Foghorn Critical Mineral Project comprises approximately 40 Crown-granted mineral claims covering approximately 614 hectares in British Columbia. The Project has an extensive exploration history, with past operators including Denison Mines Limited and Placer Dome, as identified in historical records. Reported historical exploration between 1943 and 1976 included approximately 17,280 metres of drilling in 368 surface and underground holes.

Foghorn Critical Mineral Project hosts historically identified fluorite and uranium mineralization provides a starting point for exploration targeting and evaluation of the Project’s critical mineral potential (See Figure 1 Below). Government geological records also identify fluorites associated with celestite and minor rare earth bearing minerals, highlighting additional opportunities for technical assessment. The Company’s planned technical review will assess these historical datasets, refine geological interpretations and identify priority targets for follow-up exploration.

Management believes the project represents a rare opportunity to evaluate a district-scale critical minerals asset where fluorite, rare earth elements, and celestite occur together within a large and well-developed hydrothermal system. With the benefit of modern exploration methods, advanced geochemistry, updated geophysical techniques, and contemporary geological modelling, the Company believes there is potential to further define, expand, and unlock value from mineralization that has received only limited attention despite decades of historical exploration.

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Figure 1 : Foghorn Critical Mineral Project – Property Geology and Historical Mineralized Zones.

Scope of the NI 43-101 Technical Report

The proposed NI 43-101 technical report is intended to provide an independent geological evaluation of the Foghorn Critical Mineral Project, incorporating available historical exploration records, geological mapping, drilling information and mineralization data.

Qualified Person  

The scientific and technical information contained in this news release has been reviewed and approved by Derrick Strickland, a consulting geologist who is a “Qualified Person” as defined under National Instrument 43-101.

About Uranium One Mining Corp.

Uranium One Mining Corp. is a Canadian mineral exploration company focused on the acquisition, exploration, and development of uranium projects and select battery metals assets. The Company is advancing a diversified portfolio of exploration-stage projects in Canada, Paraguay and Argentina, with a strategic focus on assets positioned to benefit from the increasing global demand for nuclear energy and secure energy supply chains.

The Company’s projects include the Quark Uranium Project, the Yuty Prometeo Uranium Project, and the Nucleon Uranium Project, each of which offers significant exploration upside and potential for resource expansion.

Uranium One Mining Corp. is committed to responsible exploration practices, disciplined capital allocation, and the creation of long-term shareholder value through the systematic advancement of its project portfolio.

All Stakeholders are encouraged to follow the Company on its social media profiles on LinkedIn and X.com .

Neither the Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in the policies of the CSE) accepts responsibility for the adequacy or accuracy of this release.

On Behalf of the Board of Directors

“David Greenway”

David Greenway, CEO

For further information, please contact:

Uranium One Mining Corp.
Brent Rusin
Phone: +1 672-533-0348
Email:  brent@uraniumone.com

Forward-Looking Information

This news release contains forward-looking information and forward-looking statements within the meaning of applicable Canadian securities laws (collectively, “forward-looking information”). Forward-looking information includes, but is not limited to, statements regarding the preparation, anticipated scope, timing and completion of the proposed National Instrument 43-101 (“NI 43-101”) technical report for the Foghorn Critical Mineral Project (the “Project”); the anticipated findings, conclusions and recommendations of the technical report; the evaluation, interpretation and verification of historical geological, drilling, sampling and exploration information; the identification and prioritization of potential exploration targets; the potential presence, continuity, extent and significance of uranium, fluorite, rare earth elements, celestite and other mineralization; and the Company's proposed exploration activities, technical evaluations and future plans for the Project.

Forward-looking information is based on management's current expectations, estimates, assumptions and beliefs, including assumptions regarding the availability, completeness and reliability of historical exploration records; the ability to obtain and interpret geological and technical information; the availability of qualified personnel, contractors and equipment; the Company's ability to secure sufficient financing; the validity and maintenance of mineral tenure and property rights; the receipt of necessary regulatory approvals, permits and land access; and generally favourable geological, regulatory and market conditions.

Forward-looking information is subject to known and unknown risks, uncertainties and other factors that could cause actual results, developments or events to differ materially from those expressed or implied by such information. These risks include, without limitation, the possibility that historical exploration information may be incomplete, inaccurate or unreliable; that historical drilling, sampling and analytical results may not be independently verified or substantiated by modern exploration methods; that historical geological interpretations may prove incorrect; that the proposed NI 43-101 technical report may be delayed, require additional verification work or reach conclusions that differ materially from previous interpretations; and that future exploration may not confirm the presence, grade, continuity or economic significance of historically reported mineralization.

Additional risks include the inherent uncertainties associated with mineral exploration; the possibility that exploration activities may not identify mineral resources or economically viable mineral deposits; difficulties obtaining financing on acceptable terms; changes in commodity prices and market conditions; permitting delays or restrictions; environmental and regulatory requirements; Indigenous consultation and land access matters; potential restrictions or additional regulatory requirements relating to uranium- or thorium-bearing mineralization; uncertainties regarding mineral tenure and property rights; operational and technical challenges; changes in applicable laws and regulations; and other risks described in the Company's continuous disclosure filings available under its profile on SEDAR+ at www.sedarplus.ca .

Historical exploration results, mineral occurrences and geological interpretations referenced in this news release do not constitute current mineral resource or mineral reserve estimates as defined under NI 43-101. There can be no assurance that historical results will be verified, that further exploration will identify a mineral resource or mineral reserve, or that any mineralization identified will ultimately demonstrate economic viability.

Readers are cautioned not to place undue reliance on forward-looking information. Such information is provided as of the date of this news release, and the Company undertakes no obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by applicable securities laws.

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