<div id="readability-page-1"><div>(TheNewswire)<ul><ul></ul></ul>This news release does not constitute an offer of securities.Brossard, Québec - TheNewswire - April 16, 2026 — Windfall GeotekInc. (CSE: WIN; OTCQB: WINKF) (&#34;Windfall&#34; or the&#34;Company&#34;), a pioneer in Artificial Intelligence (AI)-drivenmineral exploration since 2005, is pleased to announce they will usetheir proprietary Machine Learning AI System across PrecoreGold’s Lac Big-Rush Property located in the highly prospective area withinthe Chibougamau Mining Camp of Quebec, approximately 32 km from thetown of Chibougamau, Quebec.Windfall will process Precore Gold’s consolidated geoscientificdatasets to generate high-confidence, AI-driven predictive explorationtargets in advance of the company’s inaugural exploration anddrilling campaign, set for later this year. Preliminary results areanticipated in the next few months. The deployment of the AI systemcomprises two (2) distinct modeling phases.<ul><li>Model 1 (Regional Scale): Covering 365.55 sq/km at a 50 metre (146,367datapoints) resolution. This model integrates merged magnetic data andtopography with historical gold assays provided from drillhole androck samples SIGEOM public database (Figures 1 &amp; 2), to identifybroad regional trends and structural corridors.</li><li>Model 2 (High-Resolution MAG survey): Covering 123.75 sq/km at a sharp25 metre resolution. This advanced model utilizes the newly acquiredMagnetic data and SRTM, processing 196,479 individual datapoints(Figures 1 &amp; 2).</li></ul>For additional details, readers are invited to consult the pressrelease issued by Precore Gold Corp. today.Michel Fontaine, President and Chief Executive Officerof Windfall Geotek, commented:“Backed by over 41 client discoveries, Windfall Geotek’s AI-drivenexploration platform is redefining target generation. Throughdual-signature modeling, we rank and prioritize zones using thehighest similarity scores across independent predictive models. Withover two decades of R&amp;D investment and a fully cloud-poweredinfrastructure, we are now able to compress what traditionally takesmonths into just days. This integrated approach combining AI,geophysics, and geological expertise from seniorgeologists—positions Precore Gold to dramatically reduce itsexploration footprint by up to 99% and focus capital exclusively onthe most prospective targets.”Click Image To View Full SizeFigure 1Click Image To View Full SizeFigure 2By harnessing geophysical data, topography, geological insights, andcutting-edge high-performance computing, Windfall’s AI Systemuncovers hidden patterns that distinguish promising mineral zones fromless prospective areas empowering smarter, faster, and more confidentexploration decisions.The technical information presented in this news release has beenreviewed and approved by Grigor Heba, Principal Geologist of WindfallGeotek, who is responsible for ensuring that the related technicalinformation provided in this news release is accurate and acts as a&#34;qualified person&#34; (QP) as defined by National Instrument43-101, Standards of Disclosure for Mineral Projects.About Precore Gold Corp.Precore Gold is a Canadian junior gold exploration company focused onbuilding a solid portfolio of exploration projects with strong golddiscovery potential, in order to capture the strength of the goldmarket and to generate long-term shareholder returns. The Company isfocused on their flagship properties, the Arikepay property, inArequipa, Peru and the Lac Big-Rush property in Chibougamau, Quebec.The Company plans to seize opportunities, whereby promising propertiesare located in prolific mining camps, in politically stablejurisdictions, that contain important historical drilling results thathave not seen any follow-up work in years. Precore Gold’s mission isunderpinned by diligent environmental, social and corporate governance(ESG) standards.Windfall Geotek – AI-PoweredDiscovery Since 2005Windfall 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 validates selectedAI-generated targets to demonstrate the power and reliability of itssystem.Innovative, proven, and scalable, Windfall deliverstangible results, real-world impact, and strong growthpotential.For further information, please contact:Michel Fontaine 514-994-5843Chairman, President and CEO of Windfall GeotekEmail: Michel@windfallgeotek.comWebsite: www.windfallgeotek.comAdditional 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.Copyright (c) 2026 TheNewswire - All rights reserved.</div></div>

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Windfall Geotek has announced the deployment of its AI-powered mineral exploration system on Precore Gold's Lac Big-Rush property in Quebec. This initiative aims to generate predictive exploration targets ahead of Precore's drilling campaign later this year. The AI system will utilize two modeling phases to analyze geoscientific data, significantly enhancing exploration efficiency. Windfall's technology is expected to reduce exploration footprints by up to 99%, allowing for focused capital investment in the most promising areas. Preliminary results are anticipated in the coming months.

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Windfall Geotek Deploys AI-Powered Gold Targeting on Precore Gold's Lac Big-Rush Gold Property in Quebec