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PURECORE COMMENCES DATA COMPILATION AND TARGET GENERATION AT YURCHISON URANIUM PROPERTY

Purecore is consolidating decades of geological and geophysical data at Yurchison to rank uranium exploration targets for potential follow-up work.

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Purecore Metals (PPURF) has begun a comprehensive data compilation and technical review program at the Yurchison Uranium Property in northern Saskatchewan.

The company holds an option to earn up to a 100% interest in Yurchison from Skyharbour Resources. The 22-claim property covers about 35,029 hectares and lies roughly 75 kilometres south of Cameco’s Rabbit Lake operation. Work will integrate historical and modern geological, geochemical, geophysical and drilling data into a single project database to refine areas of interest and prioritize targets for potential future field exploration. Historical work includes a 1,424 line‑kilometre high‑resolution airborne magnetic survey and uranium values ranging from 0.09% to 0.30% U₃O₈.

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Key Figures

Option interest: up to 100% Property claims: 22 claims Property area: approximately 35,029 hectares +4 more
Option interest
up to 100%
Option to earn an interest in Yurchison
Property claims
22 claims
Yurchison Uranium Property
Property area
approximately 35,029 hectares
Yurchison Uranium Property
Distance to Rabbit Lake
approximately 75 kilometres
South of Cameco's Rabbit Lake operation
Airborne magnetic survey
1,424 line-kilometre
Historical high-resolution survey
Survey line spacing
50-metre
Historical high-resolution airborne magnetic survey
Historical uranium mineralization
0.09% to 0.30% U₃O₈
Prospecting near historical trenches

Key Terms

vlf-em, national instrument 43-101
2 terms
vlf-em technical
"Additional airborne magnetic, radiometric and VLF-EM surveys"
VLF-EM is a geophysical survey technique that uses very low frequency radio signals to map differences in the ground’s ability to carry electrical currents, helping reveal buried conductive zones such as mineralized rock or fault corridors. For investors, VLF-EM results are an inexpensive early indicator of where valuable minerals or metals may be concentrated, like using a metal detector to narrow where to dig before committing to costly drilling, thereby reducing exploration risk and guiding capital allocation.
national instrument 43-101 regulatory
"within the meaning of National Instrument 43-101"
National Instrument 43-101 is a set of rules and guidelines that govern how mineral exploration and mining companies must report information about their projects. It ensures that the details shared with investors are accurate, consistent, and reliable—similar to how a detailed, verified blueprint ensures a building’s safety. This helps investors make informed decisions based on trustworthy information about a company's mineral resources.

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VANCOUVER, BC, Sept. 15, 2026 /PRNewswire/ -- Purecore Metals Inc. (CSE: PURE) (FSE: J8Y) (OTCQB: PPURF) ("Purecore" or the "Company") is pleased to announce that it has commenced a comprehensive data compilation and technical review program at the Yurchison Uranium Property ("Yurchison" or the "Property") in the Athabasca Basin, northern Saskatchewan.

Purecore Metals Corporate Logo

Purecore holds an option to earn up to a 100% interest in Yurchison pursuant to its definitive option agreement with Skyharbour Resources Ltd. (TSXV: SYH). The Property comprises 22 claims covering approximately 35,029 hectares and is located approximately 75 kilometres south of Cameco Corporation's (TSX: CCO; NYSE: CCJ) Rabbit Lake operation.

The program is intended to consolidate historical and modern geological, geochemical, geophysical and exploration information into an integrated project database and geological framework. The resulting dataset will be used to refine areas of interest, identify where multiple layers of technical evidence converge and prioritize targets for potential future field exploration.

Peter Berdusco, President and Chief Executive Officer of Purecore, commented:

"Yurchison has decades of exploration history and a significant volume of modern geophysical data. This program brings that information together into an integrated geological framework to refine our understanding of the Property and prioritize areas for future exploration."

Data Compilation and Target Generation

Yurchison has been subject to historical airborne and ground geophysical surveys, geological mapping, prospecting, geochemical sampling and historical drilling. Much of the earlier exploration was completed prior to 2000, with additional modern airborne geophysical work completed in recent years.

The current program is expected to include:

  • compilation and digitization of available historical geological, geochemical, geophysical and drilling information;
  • integration and interpretation of historical and modern airborne geophysical datasets;
  • review of historical uranium occurrences, prospecting results and previous exploration targets;
  • assessment of structural and geological controls that may be relevant to uranium mineralization;
  • comparison of geophysical conductors, structural features, geochemical anomalies and historical exploration results; and
  • ranking of priority areas for potential follow-up exploration.

Previous work at Yurchison includes a 1,424 line-kilometre high-resolution airborne magnetic survey completed at 50-metre line spacing, as well as earlier VTEM work that identified multiple geophysical zones of interest. Additional airborne magnetic, radiometric and VLF-EM surveys have also been completed across the Property.

Historical exploration at Yurchison identified uranium mineralization in several areas of the Property, including prospecting near historical trenches that returned values ranging from 0.09% to 0.30% U₃O₈. These results, together with historical and modern geophysical datasets, will form part of the current compilation and technical review.

Yurchison Uranium Property

Yurchison comprises approximately 35,029 hectares in the Wollaston Domain of northern Saskatchewan. The Property is underlain by Wollaston Supergroup metasedimentary gneisses, including graphitic units adjacent to Archean granitic gneisses, and has seen historical exploration for uranium. Highway 905 provides access through the Property area.

The majority of historical exploration was completed prior to 2000, and significant portions of the Property have received limited modern follow-up. Purecore intends to use the current compilation and interpretation program to establish a stronger technical foundation for future exploration planning.

Qualified Person

The technical information in this news release has been reviewed and approved by Dr. Dennis LaPoint, P.Geo., an independent Qualified Person within the meaning of National Instrument 43-101 – Standards of Disclosure for Mineral Projects.

About Purecore Metals Inc.

Purecore Metals Inc. (CSE: PURE) (FSE: J8Y) (OTCQB: PPURF) is a Canadian critical minerals company building a uranium and copper portfolio positioned around the long-term expansion of global electricity demand.

The Company holds an option to earn up to a 100% interest in the Yurchison Uranium Property in northern Saskatchewan and owns a 100% interest in the Bankier Property, a critical minerals project in British Columbia.

For more information, visit Purecore's website www.purecoremetals.com.

On behalf of the Board of Directors

Peter Berdusco
President and Chief Executive Officer
Purecore Metals Inc.

Forward-Looking Information

This news release contains forward-looking information within the meaning of applicable Canadian securities laws, including statements regarding the Company's data compilation, technical review, target-generation and exploration activities at the Yurchison Uranium Property; the integration and interpretation of historical and modern exploration data; the identification and prioritization of exploration targets; future fieldwork and exploration programs; the potential acquisition by Purecore of up to a 100% interest in Yurchison; and the Company's broader exploration and growth strategy.

Forward-looking information is based on assumptions management considers reasonable as of the date of this news release and is subject to known and unknown risks and uncertainties that could cause actual results to differ materially. Such risks include, among others, exploration and geological risk; the completeness, accuracy and usefulness of historical exploration information; the possibility that compilation and interpretation work will not identify targets warranting further exploration; the availability of capital; commodity-price and market conditions; regulatory and permitting requirements; the Company's ability to satisfy the terms and conditions of the Yurchison option agreement; and other risks associated with mineral exploration and development.

There can be no assurance that the current program will result in the identification of an economic mineral deposit or that any targets identified will be advanced to drilling or other future exploration. Readers are cautioned not to place undue reliance on forward-looking information. The Company will update or revise forward-looking information only as required by applicable securities laws.

Neither the Canadian Securities Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.

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SOURCE Purecore Metals Inc.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What specific work is included in Purecore’s current Yurchison data program?

The program is expected to include compilation and digitization of historical geological, geochemical, geophysical and drilling information, integration and interpretation of historical and modern airborne geophysical datasets, review of historical uranium occurrences and previous targets, assessment of structural and geological controls on uranium mineralization, comparison of geophysical conductors, structures, geochemical anomalies and past results, and ranking of priority areas for potential follow-up exploration.

What historical exploration results have been reported at the Yurchison Uranium Property?

Historical exploration at Yurchison has included airborne and ground geophysical surveys, mapping, prospecting, geochemical sampling and drilling. Previous work identified uranium mineralization in several areas, including prospecting near historical trenches that returned values ranging from 0.09% to 0.30% U₃O₈. A 1,424 line‑kilometre high‑resolution airborne magnetic survey at 50‑metre line spacing and earlier VTEM, magnetic, radiometric and VLF‑EM surveys have also been completed.

Who is the Qualified Person for the technical information on Yurchison?

The technical information in the news release has been reviewed and approved by Dr. Dennis LaPoint, P.Geo., who is an independent Qualified Person within the meaning of National Instrument 43‑101 – Standards of Disclosure for Mineral Projects.

Where is the Yurchison Uranium Property located and how is it accessed?

Yurchison is in the Wollaston Domain of northern Saskatchewan, about 75 kilometres south of Cameco’s Rabbit Lake operation. The property area is underlain by Wollaston Supergroup metasedimentary gneisses, including graphitic units adjacent to Archean granitic gneisses, and Highway 905 provides access through the property area.

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