Windfall's AI System Flags Major 3,4 km Grassroot Gold target, Showcasing the Power of Digital Exploration in Casa Berardi, Quebec

(TheNewswire)

This announcement does notconstitute an offer of the securities described herein.

Brossard, Quebec - TheNewswire -December 4, 2025 — Windfall Geotek Inc. (CSE: WIN, OTCQB:WINKF) (“Windfall”), a leader in AI-powered mineral explorationsince 2005, is pleased to report that its proprietary AI System hasidentified a 3 km grassroots gold target in the Casa Berardi region ofQuebec, based on the analysis of publicly available geologicaldatasets.

Windfall’s AI System analyzed over 24,000 historical gold-bearing assays , applying advancedmachine learning to detect patterns and geological contexts predictiveof gold. More than 5.2 million cellswere scored to highlight the most prospective areas, reducingthe search area by up to 98–99% and significantly improving exploration efficiencycompared to traditional methods.

Windfall clarifies that it does nothold any ownership interest in the properties referenced andthat this analysis was conducted solely to demonstrate thecapabilities of its AI exploration technology using publicly availabledata. No partnership or contractual relationship exists with anyproperty owners in the region.

Advisory Committee

Windfall is pleased to welcome AndréLarente , CEO/President of Diagnos, to its Advisory Committee,further strengthening the Company’s strategic direction andtechnical depth.

• André Larente is President ofDiagnos and has held senior management roles at Siemens, SyscanInternational, Newbridge Networks, Legent, Cognos, Tandem Computers,and Honeywell Information Systems. His extensive experience intechnology and operations provides valuable strategic insight.

A total of 13 million StockOptions has been granted to directors, officers, employees, andconsultants of the Company. The Stock Options are exercisable at $0.05 CAD per share for a period of 5 years from the date ofgrant.

You can view the Detour Quebec Orogenic gold projectWork Summary began in 2016 on our website here:
https://www.windfallgeotek.com/wp-content/uploads/2025/04/Detour_Quebec_Orogenic_Gold_Project_Work_Summary.pdf

Windfall Geotek – AI-PoweredDiscovery Since 2005

Windfall Geotek is a global leader in AI-driven mineralexploration, turning complex geoscience data into high-potentialdiscoveries with unmatched speed and accuracy. With amultidisciplinary team of geophysicists, geologists, AI specialists,and mathematicians, Windfall is expanding its AI expertise intolife-saving applications, including landmine and UXO detection. Aspart of its new business plan, Windfall will validate selectedAI-generated targets, demonstrating to the market the power andreliability of its AI system.

Innovative, proven, and scalable, Windfall deliverstangible results, real-world impact, and strong growthpotential.

For further information, please contact:

Michel Fontaine 514-994-5843

Chairman, President and CEO of Windfall Geotek

Email: Michel@windfallgeotek.com

Website: www.windfallgeotek.com

Additional information about the Company is availableunder Windfall Geotek’s profile on SEDAR at www.sedar.com . Neither the TSXVenture Exchange nor does its Regulation Services Provider (as thatterm is defined in the policies of the TSX Venture Exchange) acceptresponsibility for the adequacy or accuracy of this release.

CAUTIONARY NOTEREGARDING FORWARD-LOOKING INFORMATION: This news release containsforward-looking information, which relate to future events or futureperformance and reflect management’s current expectations andassumptions. The information in this news release about changes tomanagement and expectations in this regard; and any other informationherein that is not a historical fact may be forward-lookinginformation. Such forward-looking information reflect management’scurrent beliefs and are based on assumptions made by and usinginformation currently available to the Company. Such factors include,but are not limited to, achievements of new management varyingsignificantly from expectations; capital and operating costs varyingsignificantly from estimates; delays in obtaining or failures toobtain required governmental, environmental or other projectapprovals; uncertainties relating to the availability and costs offinancing needed in the future; changes in equity markets; inflation;fluctuations in commodity prices; delays in the development ofprojects; and those risks set out in the Company’s public documentsfiled on SEDAR (www.sedar.com) under Windfall Geotek’s issuerprofile. Investors are cautioned that these forward-looking statementsare neither promises nor guarantees, and they are subject to risks anduncertainties that may cause future results to differ materially fromthose expected. These forward-looking statements are made as of thedate hereof and, except as required under applicable securitieslegislation, the Company does not assume any obligation to update orrevise them to reflect new events or circumstances.

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