<img src="https://ml.globenewswire.com/Resource/Download/60356317-c226-4523-9ae3-0e4c3bf509fa?size=2" nborder="0" align="left" hspace="5" vspace="5" title="PC_Logo_MainColours&Dark.png" alt="Purecore Metals Inc."/> VANCOUVER, British Columbia, July 16, 2026 (GLOBE NEWSWIRE) -- Purecore Metals Inc. (CSE: PURE) (FSE: J8Y) (“Purecore” or the “Company”) is pleased to announce it has entered into a non-binding letter of intent (the “LOI”) dated July 15, 2026 with Skyharbour Resources Ltd. (TSXV: SYH) (“Skyharbour”) to acquire an option to earn up to a 100% interest in the Yurchison uranium property located in the Wollaston Domain of the Athabasca Basin in northern Saskatchewan, Canada (the “Property”). The Property consists of 22 claims covering approximately 35,028.93 hectares of mineral rights. Yurchison Property Summary Yurchison is roughly 75 km south of Cameco’s Rabbit Lake operation, with Highway 905 running through the claims. It is underlain by Wollaston Supergroup metasedimentary gneisses, including psammopelitic to pelitic gneisses, graphitic pelitic gneisses adjacent to Archean granitic gneisses in the Eastern Wollaston Domain. The Property area has seen significant historical exploration including airborne electromagnetic, magnetic, and radiometric surveys, as well as ground magnetic, EM, IP, and gravity surveys, prospecting, geological mapping, geochemical sampling, and drilling. The drilling was primarily conducted between the 1960’s and 1980’s with additional work completed in the mid-1990’s and 2000’s. Prospecting near old trenches returned uranium (0.09% to 0.30% U3O8) and molybdenum (2,500 ppm to 6,400 ppm) mineralization in both outcrop and float samples. The Property boasts strong discovery potential for both basement-hosted uranium mineralization as well as copper, zinc and molybdenum mineralization. The majority of the work at Yurchison was completed before 2000, with limited follow-up since, and most of the Property remains underexplored. The historical exploration on the western side of Yurchison focused on uranium showings while on the eastern side of the Property it was largely focused on exploring SEDEX-style Pb-Zn mineralization following the discovery of the historic George Lake Pb-Zn Deposit proximal to the Property. There are several uranium, molybdenum, and thorium showings, which remain highly prospective for both basement-hosted uranium, pegmatite-hosted U-Th-REE, and sediment-hosted Cu-Pb-Zn mineralization. The most recent work included airborne EM (VTEM and VLF-EM), magnetics, and radiometrics surveys flown in 2022 and 2023. Transaction Summary Following the signing of the LOI, the parties have agreed to negotiate in good faith the terms of the transaction and settle the terms of the mineral property option agreement (the “Definitive Agreement”). The transaction is subject to conditions, including satisfactory completion of due diligence by Purecore, the entering into a binding Definitive Agreement, the approval of the board of directors of each of Skyharbour and Purecore, and receipt of all necessary regulatory approvals, including the approval of the Canadian Securities Exchange (the “CSE”). 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 Purecore Metals Inc. is a mineral exploration company listed on the Canadian Securities Exchange (CSE: PURE) and the Frankfurt Stock Exchange (FSE: J8Y). The Company is focused on advancing the materials that power modern energy systems and emerging technologies. The Company is building a critical minerals portfolio aligned with long-term trends across the energy, technology, and defense sectors, with a strategy centered on high-impact opportunities and disciplined execution. Contact Us For further information, interested parties are encouraged to visit the Company’s website at www.purecoremetals.com, and to contact the Company by email at investors@purecoremetals.com or by phone at 1.877.844.4661. On behalf of the Board of Directors of PURECORE METALS INC. Peter Berdusco Chief Executive Officer Cautionary Statement Regarding Forward-Looking Information This press release contains certain forward-looking statements, including statements regarding: the entering into of a Definitive Agreement with Skyharbour; and the potential acquisition of up to a 100% interest in the Property. The words "expects," "anticipates," "believes," "intends," "plans," "will," "may," and similar expressions are intended to identify forward-looking statements. Although the Company believes that its expectations as reflected in these forward-looking statements are reasonable, such statements involve risks and uncertainties. Actual results may differ materially from those expressed or implied in these statements due to various factors, including, but not limited to: operational and exploration risks; market conditions; and political and regulatory risks in Canada. Readers are cautioned not to place undue reliance on forward-looking statements, which are made as of the date of this release. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by applicable securities laws. Neither the CSE nor its regulation services provider accepts responsibility for the adequacy or accuracy of this release. <img alt="" src='https://ml.globenewswire.com/media/Yjc2NmM3ZGUtNThjZC00NmRlLWIwODUtMWRhOWI2Y2JhYzRiLTEzMjM1MDQtMjAyNi0wNy0xNi1lbg==/tiny/Purecore-Metals-Inc-.png' referrerpolicy='no-referrer-when-downgrade' />

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Purecore Signs Letter of Intent with Skyharbour to Option the Yurchison Uranium Property in Athabasca Basin

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