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November 15, 2025 Sydney, Australia
PMET Sources Inc. (the “Firm” or “PMET”) (TSX: PMET) (ASX: PMT) (OTCQX: PMETF) (FSE: R9GA) is happy to announce it has filed on SEDAR+ a technical report (the “Technical Report”), ready in accordance with Nationwide Instrument 43-101 – Requirements of Disclosure for Mineral Tasks (“NI 43-101”). The Technical Report is titled “CV5 Pegmatite Lithium-Solely Feasibility Examine NI 43-101 Technical Report – Shaakichiuwaanaan Venture“, with an Problem Date of November 14, 2025, and Efficient Date of October 20, 2025. The submitting follows the October 20, 2025, information launch by the Firm asserting a optimistic lithium-only Feasibility Examine (“FS”) on the CV5 Pegmatite outlining the potential for a large-scale mining operation on the Shaakichiuwaanaan Venture.
The Technical Report has been ready by G Mining Companies Inc., with contributions from Primero Group Americas Inc., AtkinsRéalis Group Inc., BBA Inc., Paterson & Cooke Canada Inc., Imaginative and prescient Geochemistry Ltd., Alius Mine Consulting, WSP World Inc., Mailloux Hydrogéologie and GCM Skilled, every consulting teams unbiased of the Firm, in accordance with NI 43-101.
The report is on the market on SEDAR+ and will likely be out there shortly thereafter on the Firm’s web site. Readers are inspired to learn the FS Technical Report in its entirety, together with all {qualifications}, assumptions, exclusions and dangers that relate to the Mineral Useful resource, Mineral Reserve, and lifetime of mine plan. The FS Technical Report is meant to be learn as an entire, and sections shouldn’t be learn or relied upon out of context.
About PMET Sources Inc.
PMET Sources Inc. is a pegmatite crucial mineral exploration and growth firm centered on advancing its district-scale 100%-owned Shaakichiuwaanaan Property positioned within the Eeyou Istchee James Bay area of Quebec, Canada, which is accessible year-round by all-season highway and proximal to regional hydro-power infrastructure.
In late 2025, the Firm introduced a optimistic lithium-only Feasibility Examine on the CV5 Pegmatite (the “Feasibility Examine”) and declared a maiden Mineral Reserve of 84.3 Mt at 1.26% Li2O (Possible)1. The examine outlines the potential for a aggressive and globally important high-grade lithium venture concentrating on as much as ~800 ktpa spodumene focus utilizing a easy Dense Media Separation (“DMS”) solely course of flowsheet. Additional, the outcomes spotlight Shaakichiuwaanan as a possible North American crucial mineral powerhouse with important alternative for tantalum and caesium along with lithium.
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1 See Feasibility information launch dated October 20, 2025. Possible Mineral Reserve cut-off grade is 0.40% Li2O (open-pit) and 0.70% Li2O (underground). Underground growth and open-pit marginal tonnage containing materials above 0.37% Li2O are additionally included within the assertion. Efficient Date of September 11, 2025. |
The Venture hosts a Consolidated Mineral Useful resource2 totalling 108.0 Mt at 1.40% Li2O and 166 ppm Ta2O5 (Indicated), and 33.4 Mt at 1.33% Li2O and 155 ppm Ta2O5 (Inferred), and ranks as the biggest3 lithium pegmatite useful resource within the Americas, and within the high ten globally. Moreover, the Venture hosts the world’s largest pollucite-hosted caesium pegmatite Mineral Useful resource on the Rigel and Vega zones with 0.69 Mt at 4.40% Cs2O (Indicated), and 1.70 Mt at 2.40% Cs2O (Inferred).
For additional data, please contact us at data@pmet.ca or by calling +1 (604) 279-8709, or go to www.pmet.ca. Please additionally consult with the Firm’s steady disclosure filings, out there below its profile at www.sedarplus.ca and www.asx.com.au, for out there exploration information.
This information launch has been authorized by
“KEN BRINSDEN”
Kenneth Brinsden, President, CEO, & Managing Director
Certified Particular person(s)
The technical and scientific data on this information launch that pertains to the Mineral Useful resource Estimate and exploration outcomes for the Firm’s properties is predicated on, and pretty represents, data compiled by Mr. Darren L. Smith, M.Sc., P.Geo., who’s a Certified Particular person as outlined by Nationwide Instrument 43-101 – Requirements of Disclosure for Mineral Tasks (“NI 43-101”), and member in good standing with the Ordre des Géologues du Québec (Geologist Allow quantity 01968), and with the Affiliation of Skilled Engineers and Geoscientists of Alberta (member quantity 87868). Mr. Smith has reviewed and authorized the associated technical data on this information launch.
Mr. Smith is an Govt and Vice President of Exploration for PMET Sources Inc. and holds frequent shares, Restricted Share Models (RSUs), and Efficiency Share Models (PSUs) within the Firm.
The data on this information launch that pertains to the Feasibility Examine and Mineral Reserve Estimate is predicated on, and pretty represents, data compiled by Mr. Frédéric Mercier-Langevin, Ing. M.Sc., who’s a Certified Particular person as outlined by NI 43-101, and member in good standing with the Ordre des Ingénieurs du Québec. Mr. Mercier-Langevin has reviewed and authorized the associated technical data on this information launch.
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2 The Consolidated MRE (CV5 + CV13 pegmatites), which incorporates the Rigel and Vega caesium zones, totals 108.0 Mt at 1.40% Li2O, 0.11% Cs2O, 166 ppm Ta2O5, and 66 ppm Ga, Indicated, and 33.4 Mt at 1.33% Li2O, 0.21% Cs2O, 155 ppm Ta2O5, and 65 ppm Ga, Inferred, and is reported at a cut-off grade of 0.40% Li2O (open-pit), 0.60% Li2O (underground CV5), and 0.70% Li2O (underground CV13). A grade constraint of 0.50% Cs2O was used to mannequin the Rigel and Vega caesium zones. The Efficient Date is June 20, 2025 (by way of drill gap CV24-787). Mineral Sources usually are not Mineral Reserves as they don’t have demonstrated financial viability. Mineral Sources are inclusive of Mineral Reserves. |
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3 Dedication based mostly on Mineral Useful resource information, sourced by way of July 11, 2025, from company disclosure. |
Mr. Mercier-Langevin is the Chief Working and Improvement Officer for PMET Sources Inc. and holds frequent shares and choices within the Firm.
The data on this information launch that pertains to the Feasibility Examine (“FS”) for the Shaakichiuwaanaan Venture, which was first reported by the Firm in a market announcement titled “PMET Sources Delivers Optimistic CV5 Lithium-Solely Feasibility Examine for its Giant-Scale Shaakichiuwaanaan Venture” dated October 20, 2025 (Montreal time) is on the market on the Firm’s web site at www.pmet.ca, on SEDAR+ at www.sedarplus.ca and on the ASX web site at www.asx.com.au. The manufacturing goal from the Feasibility Examine referred to on this information launch was reported by the Firm in accordance with ASX Itemizing Rule 5.16 on the date of the unique announcement. The Firm confirms that, as of the date of this information launch, all materials assumptions and technical parameters underpinning the manufacturing goal and forecast monetary data within the unique announcement proceed to use and haven’t materially modified.
The Mineral Useful resource and Mineral Reserve Estimates on this launch have been first reported by the Firm in accordance with ASX Itemizing Rule 5.8 in market bulletins titled “Worlds Largest Pollucite-Hosted Caesium Pegmatite Deposit” dated July 20, 2025 (Montreal time) and “PMET Sources Delivers Optimistic CV5 Lithium-Solely Feasibility Examine for its Giant-Scale Shaakichiuwaanaan Venture” dated October 20, 2025 (Montreal time) and can be found on the Firm’s web site at www.pmet.ca, on SEDAR+ at www.sedarplus.ca and on the ASX web site at www.asx.com.au. The Firm confirms that, as of the date of this information launch, it’s not conscious of any new data or information verified by the competent person who materially impacts the data included within the announcement and that every one materials assumptions and technical parameters underpinning the estimates within the announcement proceed to use and haven’t materially modified. The Firm confirms that, as on the date of this announcement, the shape and context through which the competent individual’s findings are introduced haven’t been materially modified from the unique market announcement.
View unique content material to obtain multimedia:https://www.prnewswire.com/news-releases/pmet-resources-files-ni-43-101-technical-report-on-the-cv5-lithium-only-feasibility-study-on-its-shaakichiuwaanaan-project-302616170.html
SOURCE PMET Sources Inc.
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