Puma's Murray Brook Minerals acquires Mount McInnes Project
Rimouski, Québec--(Newsfile Corp. - August 4, 2026) - Puma Exploration Inc. (TSXV: PUMA) (OTCQB: PUMXF) ("Puma" or the "Company") is pleased to announce that its subsidiary Murray Brook Minerals ("MBM") (70.48% held by Puma) secured a prospective polymetallic critical minerals project in Northern New Brunswick.
The Mount McInnes Project, located approximately 50 km from Puma's Williams Brook Project (optioned to Kinross), is prospective for silver, gold, lead, zinc, copper, indium, bismuth, tungsten, molybdenum, and tin mineralization. It covers 11,837 hectares and comprises 19 claim blocks (539 claim units) (Figure 1). With two prospective polymetallic projects in its portfolio, MBM is well positioned to explore for and support Canada's domestic supply of critical metals (Figure 2).
Figure 1. Location of the Mount McInnes Project in Northern New Brunswick
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Marcel Robillard, Puma's President and CEO, commented: " The release of New Brunswick's Comprehensive Minerals Strategy, which aims to revitalize the province's mineral sector and bolster domestic production of critical minerals, has resulted in a record number of claims staked in the province in the last year. The Mount McInnes Project adds a highly prospective polymetallic critical metals asset to MBM's portfolio and ensures that the company is well positioned to unlock some of the province's potential."
Figure 2. Canada's critical minerals list highlighting MBM's potential contributions
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ABOUT THE MOUNT MCINNES PROJECT
The claims are underlain by Cambrian-Ordovician sedimentary rocks and Ordovician-Devonian granites (Figure 3). Mineralization is interpreted to be associated with porphyry dykes sourced from a deeper granitic intrusion. Sulphide-bearing alteration zones, veins, and mineralized breccias contain gold, lead, zinc, and indium, as well as tungsten ± molybdenum mineralization. Potential exploration analogues considered by MBM include the Mount Pleasant porphyry system (Cu-Zn-In-W-Mo-Sn) and the Coeur d'Alene district in the northwestern United States.
Historic grab samples* returned up to 314 g/t Ag, 3.0 g/t Au, 15.30% Zn, 3.98% Pb, 4.00% Cu, 392 g/t In, 1,150 ppm W, 1,980 ppm Bi, and 1,100 ppm Sn . Float samples reported up to 6.5% Cu, 226 g/t Ag, 970 ppb Au, 1.6% W, 12.0% Mo, 975 ppm Sn, 4.36% Zn, 1.06% Pb, and 8,800 ppm U. Drill hole UGP-09-01 intersected a 4.2 m interval averaging 94 ppb Au, 30.2 g/t Ag, 0.57% Pb, and 0.93% Zn, including 0.3 m grading 921 ppb Au, 314 g/t Ag, 3.98% Pb, and 3.82% Zn.
Grab samples* from Trench TR12A returned up to 455 ppb Au, 21.9 g/t Ag, 4.99% Zn and 464 ppm Mo; grab samples* from Trench TR12B returned up to 644 ppb Au, 43.0 g/t Ag and 1.87% Pb.
*Historical results are derived from vendor-supplied compilation materials and project statutory reports. HAMILTON, ART, Long Lake Property Assessment Reports, 2009-14. (477749,477049,476745,476363). MBM's Qualified Person has not yet reviewed the original assessment reports or independently verified the sampling, analytical or quality assurance/quality control information.
The Mount McInnes Project has undergone limited modern exploration despite encouraging geological and geochemical indicators. The reported historical assays, soil and stream-sediment anomalies, favourable geology and geophysical targets support further systematic exploration to evaluate the property's mineral potential.
Figure 3. Geology of the Mount McInnes Project
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AGREEMENT EXECUTED ON JUNE 8, 2026 (TRANSACTION DETAILS)
To acquire a 100% interest in the 19 claim blocks (539 claims), MBM agrees to issue and pay to the arm's-length Vendor:
500,000 common shares of MBM and a C$15,000 cash payment at the signature; The cash payment has already been paid.
Make a C$20,000 cash payment on or before the first anniversary of the signing of the agreement;
Additional performance payments to the Vendor:
Cash payment of C$10,000 upon a first 43-101 compliant Resources estimate
Cash payment of C$25,000 upon a positive preliminary economic assessment;
Cash payment of C$50,000 upon a positive feasibility study;
One-time cash payment of C$100,000 upon commercial production.
The Vendor will retain a 2% net smelter return ("NSR") royalty on any commercial production from the property. Fifty percent of the NSR, or 1%, may be purchased by MBM for $1 million. MBM retains the right of first refusal on the remaining 1% NSR royalty retained by the Vendor. The agreement is subject to the approval of the TSX Venture Exchange.
ABOUT MURRAY BROOK MINERALS
Murray Brook Minerals Inc., a subsidiary of Puma Exploration, is a private Canadian mineral exploration company. The Murray Brook Minerals' business model, under Puma's successful DEAR strategy - Discovery, Exploration, Acquisition, and Royalties- is to acquire prospective strategic and Critical Minerals properties with excellent discovery potential that a stand-alone public company can explore and develop. In the DEAR Strategy, Puma usually retains an equity position and/or NSR.
MBM's portfolio consists of the 100%-owned Legacy Cu-Ag Project and the Mount McInnes Critical Minerals Project. A newly updated resource estimate for the Legacy Deposit was released in late 2025 to meet the requirements for an anticipated TSXV listing of Murray Brook Minerals. The report outlines a 930,000 tonnes inferred resource containing 13,400,000 lbs Cu @ 0.66% Cu and 110,000 oz Ag @ 3.65 g/t Ag starting at surface and with significant expansion potential ( Independent Technical Report for the Legacy Project, Restigouche County, New Brunswick, Canada, by Dr. Gilles Arseneau, P.Geo., effective November 28, 2025 ) .
The acquisition adds exposure to a range of critical minerals and complements MBM's Legacy copper-silver asset. It also aligns with New Brunswick's renewed focus on critical minerals.
In July 2026, the Province selected Avenir Minerals, an Agnico Eagle Mines subsidiary, to negotiate an exclusive exploration agreement for the former Lake George antimony mine site, which also has potential for tungsten, molybdenum and gold.
Work towards a potential listing of MBM as a separate TSXV-listed resource company, following a structure similar to the Canadian Copper transaction in 2022, is ongoing. Puma will provide further details as the transaction becomes more concrete, including the potential distribution of MBM shares to Puma shareholders. Presently, the proposed transaction remains conceptual, and there is no guarantee it will proceed or be completed.
QUALIFIED PERSON
The scientific and technical content of this press release has been prepared, reviewed, and approved by Dominique Gagné, P.Geo., VP Exploration of Puma Exploration, a Qualified Person as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects.
Connect with us on Facebook , X , or LinkedIn . Visit www.explorationpuma.com for more information or contact:
Marcel Robillard , President and CEO. (418) 750-8510; president@explorationpuma.com
Mia Boiridy , Head of Investor Relations and Director. (250) 575-3305; mboiridy@explorationpuma.com
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Forward-Looking Statements: This press release may contain forward-looking statements. Such forward-looking statements involve several known and unknown risks, uncertainties, and other factors that may cause the actual results, performance, or achievements of Puma to differ materially from those expressed or implied by such forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statements were made, except as required by law. Puma undertakes no obligation to publicly update or revise any forward-looking statements. The quarterly and annual reports, as well as the documents submitted to the securities administration, describe these risks and uncertainties.
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Newsfile Corp.
August 4, 2026 - 5:02 AM PDT
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