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Transformational acquisition to become 100% owner of the Barsele Gold Project in Sweden January 2026 1
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Disclaimer This management presentation (this "presentation") is dated [l] and has been prepared by Goldsky ResourcesCorp. (formerly Goldsky Metals Corp.) (“Goldsky”) based on information available to Goldsky at the time of preparing this presentation. This presentation has been prepared following Goldsky’s acquisition of all of the outstanding and issued common shares of Mawson Finland Limited (“Mawson”) by way of a statutory plan of arrangement under the BusinessCorporations Act (Ontario)(the “Transaction”). No representation or warranty, express or implied, is made as to the fairness, accuracy, completeness or correctness of the information, opinions and conclusions contained in this presentation. To the maximum extent permitted by law, none of Goldsky or its directors, employees or agents, advisers, nor any other person accepts any liability, including, without limitation, any liability arising from fault or negligence on the part of any of them or any other person, for any loss arising from the use of this presentation or its contents or otherwise arising in connection with it. Not an Offer This presentation is not an offer, invitation, solicitation or other recommendation with respect to the subscription for, purchase or sale of any security, and neither this presentation nor anything in it shall form the basis of any contract or commitment whatsoever. This presentation has been prepared in accordance with applicable Canadian securities laws and may not be released to US wire services or distributed in the United States. This presentation does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States or any other jurisdiction. Any securities described in this presentation have not been, and will not be, registered under the US Securities Act of 1933, as amended (the “US Securities Act”) and may not be offered or sold in the United States except in transactions registered under the US Securities Act or exempt from, or not subject to, the registration of the US Securities Act and applicable US state securities laws. Not Investment Advice This presentation does not purport to be complete or to contain all of the information a reader may require about Goldsky following completion of the Transaction and its business or prospects. Neither Goldsky nor any of its representatives or affiliates make any representation or warranty as to the accuracy, reliability, reasonableness or completeness of this information and shall not have any liability for any representations regarding information contained in, or for any omission from, this presentation or any other written or oral communications transmitted to the reader except as required by law. The information contained in this presentation is not investment or financial product advice and is not intended to be used as the basis for making an investment decision. A reader is directed to all of Goldsky’s (and to the extent relevant, Mawson’s) publicly filed documentation and information which can be found under their respective corporate profiles at www.sedarplus.ca. Confidentiality Securities legislation in all provinces and territories of Canada prohibits unauthorized distribution of the information contained in this presentation. Eachrecipient of the information contained in this presentation will treat such information in a confidential manner and will not, directly or indirectly, disclose or permit its affiliates or representatives to disclose such information to any other person or reproduce this presentation, in whole or in part, without the prior written consent of Goldsky. Technical Reports and Qualified Persons This presentation includes disclosure of scientific and technical information concerning the Goldsky mineral projects from technical reports ("technical reports") prepared in accordance with Canadian NI 43- 101- Standards of Disclosure for Mineral Projects ("NI 43-101"). The technical reports, which are described below, are available on SEDAR+(www.sedarplus.ca) under Goldsky’s profile or that of its wholly-owned subsidiaries, Mawson and Gold Line Resources Ltd., as applicable. Readers are cautioned to review the following technical reports in full: • For further information regarding the Barsele project, reference should be made to the following NI 43 - 101technical report titled "Amended NI 43-101Technical Report and Mineral Resource Estimate for the Barsele Project” with an effective date of February 21, 2019 and a signature date of December 16, 2020 prepared. • For further information regarding the Kylmäkangas project, reference should be made to the following NI 43-101 technical report titled "NI 43-101 technical report and mineral resource estimate for the KylmäkangasGold Project" with an effective date of July 25, 2022 . • For further information regarding the Langtjärn project, reference should be made to the following NI 43-101 technical report titled "NI 43- 101 technical report and mineral resource estimate for the Längtjärn property" with an effective date of June 30, 2020 . • For further information regarding the Rajapalot Gold-Cobalt project, reference should be made to the following NI 43-101 technical report titled “NI 43-101 Technical Report on a Preliminary Economic Assessment of the Rajapalot Gold-Cobalt Project, Finland” with an effective date of December 19, 2023. The technical and scientific information in this presentation was reviewed, prepared, and approved by Benjamin Gelber, a practicing Professional Geologist (P.Geo) registered with Engineers & Geoscientists British Columbia (EGBC, Licence No. 33258), who is a “Qualified Person” as defined by National Instrument 43-101– Standards of Disclosure for Mineral Projects (“NI 43-101”). Mineral Resources This release contains references to estimates of Mineral Resources. The estimation of mineral resources is inherently uncertain and involves subjective judgments about many relevant factors. Mineral resources that are not mineral reserves do not have demonstrated economic viability. The accuracy of any such estimates is a function of the quantity and quality of available data, and of the assumptions made and judgments used in engineering and geological interpretation, which may prove to be unreliable and depend, to a certain extent, upon the analysis of drilling results and statistical inferences that may ultimately prove to be inaccurate. Mineral resource estimates may require re-estimation based on, among other things: (i) fluctuations in the price of gold, silver and other metals; (ii) results of drilling; (iii) results of metallurgical testing, process and other studies; (iv)changes to proposed mine plans; (v)the evaluation of mine plans subsequent to the date of any estimates; and (vi) the possible failure to receive required permits, approvals and licenses. These mineral resource estimates include inferred mineral resources that are normally considered too speculative geologically to have economic considerations applied to them that would enable them to be categorized as mineral reserves. There is also no certainty that these inferred mineral resources will be converted to measured and indicated categories through further drilling, or into mineral reserves, once economic considerations are applied. Forward-Looking Statements Certain statements in this presentation are "forward-looking statements", including within the meaning of applicable laws. All statements other than statements of historical fact included in this presentation, including, statements regarding the effect of the Transaction on Goldsky's resources, gold grades, metallurgies, business, prospects, operations and future plans and objectives of Goldsky are forward- looking statements based on forecasts of future operational or financial results, estimates of amounts not yet determinable and assumptions of management that involve various risks and uncertainties, as well as Goldsky’s corporate strategies, including additional acquisitions, and plans for future exploration. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as "expects" or "does not expect", "is expected", "anticipates" or "does not anticipate", "plans", "estimates" or "intends", or stating that certain actions, events or results "may", "could", "would", "might", or "will" be taken, occur or be achieved) are not statements of historical fact and may be "forward-looking statements." Goldsky cautions that forward-looking statements involves known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from those expressed or implied by such information, including, but not limited to, failure to obtain the necessary regulatory and other approvals; gold and silver price volatility; fluctuations in foreign exchange rates and interest rates; the impact of any hedging activities; discrepancies between actual and estimated production, between actual and estimated reserves and resources or between actual and estimated metallurgical recoveries; capital expenditure requirements; and the success of exploration and permitting activities. Although Goldsky has attempted to identify important factors that could cause actual results, performance or achievements to differ materially from those contained in forward-looking statements, there can be other factors that cause results, performance or achievements not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate or that management's expectations or estimates of future developments, circumstances or results will materialize. Accordingly, readers should not place undue reliance on forward-looking statements. Subject to any continuing obligations under applicable law or any relevant stock exchange listing rules, in providing this information, Goldsky does not undertake any obligation to publicly update or revise any of the forward-looking statements or to advise of any change in events, conditions or circumstances. Market Data Market data and other statistical information used throughout this presentation are based on internal research by Goldsky, independent industry publications, government publications, reports by market research firms or their published independent sources. Industry publications, governmental publications, market research surveys and forecasts generally state that the information contained therein has been obtained from sources believed to be reliable. Although Goldsky believes such information is accurate and reliable, neither has independently verified any of the data from third party sources cited or used for industry estimates used in this presentation, nor has Goldsky ascertained the underlying economic assumptions relied upon therein. While Goldsky believe internal estimates are reliable, such estimates have not been verified by any independent sources, and Goldsky makes no representations as to the accuracy of such estimates. TSXV: GSKR | FNSE: GSKRSDB 2 1 Gold equivalent calculation used for Oijärvi, Kylmäkangasproject: AuEq. = Au grade + (Ag grade ∗ (Ag price/Au price)) The prices are based on t he May 31 , 2022 Long -Term CIBC consensus pricing for precious m et als of US$1 ,657/ oz Au and US$21 .52/ oz Ag
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Background September 2025: • Merger announced between First Nordic Metals and Mawson Finland • Russell Bradford appointed CEO FNM • Announcement of new board to be appointed • Successful C$80m equity fundraising with new investors December 2025: • Completion of merger between First Nordic Metals and Mawson Finland • Appointment of Peter Breese (Chairman), Russell Bradford (CEO) and Darren Morcombe as special advisor • Market cap CAD$370m • Rebranding to Goldsky Resources to create a leading Nordic gold developer and explorer January 2026: • Goldsky agrees to terms to acquire remainder of Barsele Gold Project (“ Barsele”) from JV partner • Goldsky to acquire Agnico Eagle’s (“Agnico”) 55% interest in Barsele • Goldsky to become 100% owner and operator of Barsele Goldsky: A New Premier Gold Developer in the Nordics TSXV: GSKR | FNSE: GSKRSDB 3
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Key Terms • Transaction value: US$166m • Goldsky to pay Agnico: • US$20m in cash at closing • 75,509,577 common shares of Goldsky issued to Agnico • 2% NSR with buyback US$50m • Post transaction, Agnico will become 32.5% shareholder in Goldsky • Goldsky will take over the Barsele technical team and have a 9-month technical integration period with Agnico on all aspects of the project • Agnico will have the right to appoint up to 3 directors to the Goldsky board • Transaction is subject to usual customary closing conditions including the receipt of Goldsky shareholder approval The Transaction TSXV: GSKR | FNSE: GSKRSDB 4
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Barsele Gold Project - Sweden’s largest undeveloped gold deposit Key Barsele Project Metrics • ~ 25,000 ha within the Fennoscandian Shield, ~600 km north of Stockholm • Indicated and Inferred Resources: Indicated: 7.88 Mt grading 1.27 g/t Au containing 320,781 oz Au; Inferred: 28.75 Mt grading 1.98 g/t Au containing 1.83 Moz Au. • Favorable geometry : 5-160m wide zones, • Metallurgy: simple free-milling metallurgy (93-96% recovery) • Nationally designated mining status TSXV: GSKR | FNSE: GSKRSDB Current resource covers > 3.5km of lateral strike continuation 5
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Barsele Gold Project – Significant work undertaken to date Historic Agnico exploration activity 2015-2025 • 174,509m drilled • 478 holes drilled • 12,2777 assays • 58,487 soil samples • 1,786 BOT holes • 454m avg depth • 2,639km ground Mag survey • In 2025 the joint venture undertook 3,500m drill program focused on in-fill and step out targets. Results pending TSXV: GSKR | FNSE: GSKRSDB Exposed mineralization 6
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Barsele Gold Project – cross section shows significant potential at depth TSXV: GSKR | FNSE: GSKRSDB 7
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Barsele Gold Project – National Interest Status • Barsele Project was granted Mining Concession status • Barsele project was designated as a National interest under Chapter 3, section 7 of Swedish Environmental code TSXV: GSKR | FNSE: GSKRSDB 8
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Exploration upside on the Barsele license area Risberget Project • Located 10km south-east of Barsele resource • Hosted in volcano-sedimentary rocks • NE-SW trending structure and mineralisation open at depth • Mineralization in multiple lenses with thickness varying from 5m-160m • Continued exploration drilling to continue in 2026’s drill program TSXV: GSKR | FNSE: GSKRSDB 9
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Barsele Gold Project – Project Facilities TSXV: GSKR | FNSE: GSKRSDB Core storage facility - 4558m 2 Core logging facility 10 Office and lunch facility Barsele storage facility and offices -5700m2 XRF scanning facility
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Barsele Gold Project – Location with excellent infrastructure TSXV: GSKR | FNSE: GSKRSDB • Storuman is located at an intersection between two European highways and two railroads • 6000 inhabitants • Approx 750km north Stockholm • 20km from Barsele project • Power generation – Hydro and wind at a significantly low cost of US2.6c /KWh 11
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Barsele Gold Project – Environmental monitoring and community engagement TSXV: GSKR | FNSE: GSKRSDB • Water sampling, bird and nature surveys, environmental studies, fish studies, Geochemical studies • Archaeology study • Waterflow studies Four Sami consultations annually 12
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Barsele complements Goldsky’s existing licences on Sweden’s Gold Line Belt The Gold Line Belt | Multi-kilometer long Orogenic Gold System • Goldsky holds licence’s immediately north and south of Barsele • The Paubäcken project is a 17,097 ha land package • The Aida target is a +4 km structural corridor • 3 zones defined with promising potential • 33 of 39 holes confirmed gold-bearing structures; VG in 7 holes • Mineralization across Aida hosted in mafic volcanics TSXV: GSKR | FNSE: GSKRSDB 13
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Proposed Programme to commence at Barsele TSXV: GSKR | FNSE: GSKRSDB Drill program in the range of 40,000 -60,000m drilling Q1 Q2 Q3 Q4 Close acquisition Integration program with Agnico Project review of Agnico data Commencement of drilling program: 40,000 -60,000m (Expansion, exploration & infill drilling) Commencement of PEA Completion of PEA What to expect from 2026 work program • Integrated team • Expanded resource • Increased category resource • Published PEA assessment on Barsele • Announced resource update through- out the 2026 Program • No capital raise • Increased exploration • Significant increase in news flow 14
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Summary • Transformational acquisition to become 100% owner of Barsele • Agnico to become 32.5% shareholder • Engagement of Mine development team with previous experience from LionOre, Mantra, Asanko • Significant value to be unlocked at Barsele with simplified ownership structure • Goldsky is fully funded with C$80m in treasury and supportive new investor base • Tier-1 jurisdictions: excellent infrastructure • Significant news flow expected in 2026 from drilling programmes TSXV: GSKR | FNSE: GSKRSDB 15
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A Premier Gold Developer in the Nordics Finland #1 and Sweden #6 globally for mining investment attractiveness, 2024 3 • Long history of mining • Renewable hydro and cheap power costs • Low political risk - mature, well-defined environmental and permitting procedures in a mining friendly countries • Security of tenure • Excellent access to infrastructure • Local mining communities supportive & well- qualified workforce • Major mining companies operating in Nordics TSXV: GSKR | FNSE: GSKRSDB (3) Fraser Institute Annual Survey of Mining Companies 2024 17
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Corporate Highlights TSXV: GSKR | FNSE: GSKRSDB *Subject to final calculations from FNM; Final numbers may vary due to individual rounding 32.50% 35.50% 20% 12% Agnico Eagle Retail Institutional Management Shareholder StructureShareholding Structure 255,222,335 Shares 6,722,652 Options 10,300,905 Warrants 272,245,892 Fully Diluted Analyst Coverage September 15th – Announcement of Merger October 15th – Closing of $80 million financing December 16th – Merger to create Goldsky Resources TSX V 18
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GOLDSKY’S New Leadership with Proven Operational Experience Peter Breese Non-Exec Chairman • +35 years executive & operations experience • CEO of Asanko Gold, overseeing build of Asanko Gold Mine • CEO of Mantra Resources, acquired by ARMZ for A$1B in 2011 • CEO of Norilsk Nickel • COO of LionOre Mining, acquired by Norilsk for C$7B Russell Bradford CEO & Exec. Director • +35 years of project management & operational experience • MD at Aston Minerals, merged with Torque Metals • Sr. VP at Asanko Gold. • Project director at Mantra Resources A$1B sale • LionOre Mining ($7B sale) • Based in the UK Noora Ahola Exec. Director & MD, Nordics • Forestry Engineer with a Masters Degree of Natural Resources and Landscape Management • CEO of Mawson Finland prior to the transaction • Expert in Nordic permitting and government project oversight with 25 years experience • Based in Finland Marc Legault Non-Exec. Director • +40 year of experience in gold and base metals industry • Geologist and was also a P.Eng • 34 years working with Agnico on various exploration, operations, and management positions TSXV: GSKR | FNSE: GSKRSDB 19
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GOLDSKY’S New Leadership with Proven Operational Experience Karilyn Farmer Non-Exec. Director • Geologist, mining, construction, and strategy professional with +30 years global experience • FAusIMMand JORC Competent Person • Driven global success across energy, precious & base metals in more than 25 countries • Recently 9 years with McKinsey & Company • Based in France Jeff Couch Board Director • London-based capital markets executive with deep experience in natural resources and emerging markets • CEO of Lydian Mining and Alufer Mining • Former Head of Investment Banking at BMO Capital Markets (Europe), with senior roles at Credit Suisse and Citigroup Darren Morcombe Special Advisor • +30 years of international experience in a variety of roles in the natural resource sector • Track record of success, deep involvement in Southern Cross Gold, & as advisor to Foran Mining (formerly CEO / Exec Chairman), while acting as Chairman & Founder of Springtide Capital TSXV: GSKR | FNSE: GSKRSDB 20
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Responsible Development GOLDSKY is committed to responsible mining in the Nordics, advancing high-grade gold and cobalt resources under best- in-class ESG standards for The Nordics low-carbon future. GOLDSKY operates within mature Nordic permitting frameworks, ensuring comprehensive environmental assessment, biodiversity protection, and low- carbon power sourcing GOLDSKY creates long-term value for stakeholders through Nordic- focused leadership, strong community engagement, and adherence to leading responsible mining and reporting standards. ESG is core to GOLDSKY’s operating model TSXV: GSKR | FNSE: GSKRSDB 21
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Finland: Overview of Projects Finland Rajapalot Project (100% owned) • Gold-cobalt project (spin-out of Mawson Gold / Southern Cross Gold) • Inferred Resource: 9.8 Mt at 2.8 g/t Au and 441 ppm Co (0.9 Moz Au / 4,311 t Co) • 2023 PEA: US$211M NPV5% and 27% after-tax IRR at US$1,700/oz Au and US$60,000/t Co • Low-cost profile: AISC of US$824/oz Au • Cobalt by-product positioned to support EU energy transition; • Targeting EU Strategic Project status under CRMA Oijärvi (100% owned) • Kylmäkangas deposit - Largest known gold occurrence in the Oijärvi Greenstone Belt • Limited exploration, only 292 shallow holes drilled to date. • Indicated Resource: 1.07 Mt at 4.1 g/t Au and 35.4 g/t Ag (159 koz AuEq¹); Inferred: 1.63 Mt at 2.7 g/t Au and 15.2 g/t Ag (152 koz AuEq¹) • Current resource estimate is based on 67 drill holes totaling 17, 678m TSXV: GSKR | FNSE: GSKRSDB 22
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The Nordic Advantage Finland Strategic, Responsible & Prospective • World-leading mining jurisdiction: Finland ranked #1 globally for investment attractiveness (Fraser Institute 2024–25). • Situated on the metal-rich Fennoscandian Shield, hosting gold, base metals, and battery mineral belts. • Mature infrastructure, expertise, and supply chain enable modern, tech-driven operations. • Low-risk investment: Stable democracy, clear Mining Act, and predictable fiscal/legal regime aligned with EU standards. Sweden Historic and Established • 1,000+ years of mining heritage, spanning copper, iron, gold, and silver. • World-class mining ecosystem with global leaders (LKAB, Boliden, Sandvik, Epiroc) driving in-country capability and innovation. • Modern legal framework (post-1991) designed to attract foreign investment and exploration. • Top-tier jurisdiction, with Sweden ranked ~6th globally for investment attractiveness (Fraser Institute 2024). • Predictable fiscal/legal regime aligned with EU standards. • Access to world-class geology in politically stable, mining-supportive jurisdictions • Strong ESG frameworks reduce operational and permitting risk • Ideal environment for discovering, developing, and operating modern gold projects with exploration upside TSX.V: FNM | FNSE: FNMC SDB | OTCQX: FNMCF 23
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Infrastructure – Politically and Socially Stable Country Finland is politically stable • Consistently ranked as a lowest risk country globally. • Ranks for clearly defined mining policy and legislation • High safety and responsibility standards mining practices. TSX.V: FNM | FNSE: FNMC SDB | OTCQX: FNMCF Excellent infrastructure in Northern Finland for mining • Well maintained government roads • Access to hydro power is available • Excellent mining workforce Northern Finland is an active mining jurisdiction • Major companies operating in Finland and several advanced projects • Local communities are supportive of sustainable mining practices. 24
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