Star Copper powers up in the Golden Triangle

Rockstone Disclaimer: This report and the referenced external articles and the news-release from Star Copper Corp. contain forward-looking information or forward-looking statements (collectively “forward-looking information”) within the meaning of applicable securities laws. Forward-looking information is typically identified by words such as: “believe”, “expect”, “anticipate”, “intend”, “estimate”, “potentially” and similar expressions, or are those, which, by their nature, refer to future events. Rockstone Research, Star Copper Corp. and Zimtu Capital Corp. caution investors that any forward-looking information provided herein is not a guarantee of future results or performance, and that actual results may differ materially from those in forward-looking information as a result of various factors. The reader is referred to Star Copper Corp.´s public filings for a more complete discussion of such risk factors and their potential effects which may be accessed through its profile on SEDAR at www.sedarplus.ca. Please read the full disclaimer within the full research report as a PDF (see below) as fundamental risks and conflicts of interest exist. The author, Stephan Bogner, currently does not hold an equity position in Star Copper Corp., however he owns equity of Zimtu Capital Corp., and thus will profit from volume and price appreciation of its stock. The author is being paid by Zimtu Capital Corp. for the preparation, publication and distribution of this report, whereas Zimtu Capital Corp. holds an equity position in Star Copper Corp. and thus will profit from volume and price appreciation. Note that Star Copper Corp. pays Zimtu Capital Corp. to provide this report and other investor awareness services. Also note that Star Copper Corp. has common directors with Zimtu Capital Corp.

Disclaimer and Information on Forward Looking Statements: Rockstone Research, Zimtu Capital Corp. (“Zimtu“) and Star Copper Corp (“STCU“; “the Company“) caution investors that any forward-looking information provided herein is not a guarantee of future results or performance, and that actual results may differ materially from those in forward-looking information as a result of various factors. The reader is referred to the STCU‘s public filings for a more complete discussion of such risk factors and their potential effects which may be accessed through its documents filed on SEDAR at www.sedarplus.ca. As per STCU’s news-release on April 29, 2025: “Qualified Person: Jeremy Hanson, P. Geo., a Qualified Person as that term is defined under NI 43-101, is an advisor to the Company and has reviewed and approved the technical aspects of this news release. Cautionary Note Regarding Forward-Looking Statements: This news release contains forward-looking statements and other statements that are not historical facts. Forward-looking statements are often identified by terms such as “will”, “may”, “should”, “anticipate”, “expects” and similar expressions. All statements other than statements of historical fact, included in this news release are forward-looking statements that involve risks and uncertainties. Forward-looking statements in this press release include, but are not limited to, statements regarding the terms and completion of the Offering, the use of Offering Proceeds, and the prospective nature of the Company´s assets. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company´s expectations include but are not limited to market conditions and the risks detailed from time to time in the filings made by the Company with securities regulators. The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of the Company. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement. The forward-looking statements contained in this news release are made as of the date of this news release and the Company will update or revise publicly any of the included forward-looking statements as expressly required by applicable law.” All statements in this report, other than statements of historical fact should be considered forward-looking statements. Much of this report is comprised of statements of projection. Statements in this report that are forward looking include that his arrival marks a pivotal moment for the restructured company, which has simultaneously announced a $6 million financing aimed at fast-tracking exploration and unlocking value at its flagship Star Project in British Columbia’s prolific Golden Triangle; that drilling and trenching is also planned at the company‘s Indata Copper-Gold Project; that with early signs of a company-making copper-gold porphyry system already in place, Star Copper is assembling the right people, capital, and strategy to seize a major discovery opportunity – and Brad Nichol is set to lead that charge; that we believe his experience is a perfect fit for what we’re building at Star; that it’s early-stage, it’s underappreciated, and it’s already showing serious upside, and that’s exactly how Alpha Lithium started, and I believe we have a chance to do it all over again; that the Indata Project sits in a proven district with the geological potential for large-scale copper-gold mineralization; that the Star Project presents a unique, high-potential opportunity in one of the world’s most prolific mining regions – the Golden Triangle of northwestern British Columbia; that Star Copper is strategically positioned to unlock the full value of the project for its shareholders; that Star Copper is currently raising $6 million to launch an aggressive, high-impact exploration program, and that the core focus is a transformative drill campaign targeting the depth, orientation, and continuity of the main porphyry system – an opportunity with true company-making potential; that this program will be further strengthened by modern IP surveys, advanced structural modelling, and trenching across highly prospective satellite targets, including Star North, Star East, Copper Creek, and Pyrrhotite Creek – positioning the company for a major discovery breakthrough; that there are 5 confirmed drill-ready Cu-Au porphyry targets on the property […] and each appear to have a preserved supergene enrichment zone; that the mineralized system remains open in multiple directions – north, northwest, west, southwest, and at depth – highlighting strong expansion potential with future drilling programs; that the preservation of the supergene-enriched zone is particularly significant, as it suggests limited erosion and offers potential for enhanced copper grades near surface, improving the project‘s success potential; that this showing at the Copper Creek target is a strong visual confirmation of copper mineralization at surface and highlights the potential for significant copper-gold mineralization at depth, especially when supported by coincident geophysical and geochemical anomalies; that the green-blue mineral staining indicates the presence of secondary copper minerals; that these minerals form from the weathering of primary copper sulfides like chalcopyrite and bornite and point to copper mobility and near-surface enrichment; that within this anomaly, elevated gold-in-soil values are present and continue northeast, extending well beyond the limits of the copper anomaly, indicating additional exploration potential; that Star Copper is set to advance the Star Project with a focused, data-driven exploration strategy; that upcoming work includes comprehensive database compilation, refined classification of mineralized porphyry dikes and veins, and structural interpretation to better understand controls on mineralization; that deep and shallow IP surveys are planned across the main Star zone and key satellite targets, including Copper Creek and Pyrrhotite Creek; that a 4,500 m drill program is planned at the Star Target to test the depth, orientation, and continuity of the porphyry system, including 4 deep 800 m holes targeting the core of the system, 2 deep 500 m holes testing high-priority magnetic and chargeability anomalies, and a 300 m step-out hole southeast of the main zone to test shallow mineralization; that additional trenching will advance high-priority targets at Star East, Star North, and Star West; that together, these programs position the company for the next major discovery in the heart of the prolific Golden Triangle; that this sample is a powerful visual confirmation of high-grade copper at surface, highlighting the presence of a supergene enrichment zone; that such zones often sit above deeper primary (hypogene) mineralization and can significantly enhance near-surface copper grades, improving the economics of early-stage exploration and development; that the presence of both azurite and malachite also helps vector exploration efforts toward primary sulfide zones below surface; that the Star Project stands out as a prime candidate for meaningful copper-gold discovery; that Star Copper is now ideally positioned to capitalize on this opportunity, leveraging modern exploration techniques and logistical advantages to advance the project toward its next major milestone; that the upcoming drill program, supported by detailed geological reinterpretation and geophysics, is designed to test high-priority targets and expand the known mineralized footprint; that this is a standout copper-gold asset, ready for the next major discovery; that the combination of preserved supergene enrichment, a robust hypogene system, and multiple open mineralized zones offers significant exploration upside and long-term development potential; that this is the right project, at the right time, in the hands of the right team; that Star Copper is well positioned to accelerate discovery in a highly prospective region of British Columbia’s Golden Triangle; that the widespread distribution of drill collars highlights expansion potential in multiple directions, both laterally and at depth; that our recent report on how the explosion of Artificial Intelligence it expected to spark a 10-year critical mineral supercycle as the massive energy needs of new AI data centers will increase pressure on global supply chains already under strain to meet global net-zero targets; that gobal supply of copper is expected to face a supply gap of nearly 10 million mt within the next ten years; that years of underinvestment by producers means primary copper supply is ill-equipped to meet the approaching tidal wave of new demand; that by 2035, the copper supply shortfall could be as much as 9.9MMt, 20% less than what is needed to meet global 2050 net-zero goals; that the IMF forecasted that copper demand will rise by over 66% from 2020 to 2040; that copper demand is projected to increase over the coming decades, while oil consumption is expected to decrease; that global copper demand is projected to grow from 25.9 million tonnes in 2023 to 39.1 million tonnes by 2040; that much of this growth is expected to come from the EV industry; that oil consumption is projected to decrease, dropping from 101.9 million barrels per day in 2023 to 66 million barrels per day by 2040; that demand in the top consumer is holding up well even as anxiety about a burgeoing trade war swirls; that the era of cheap, high-grade copper is over; that as deposits are found deeper underground, accessing these resources becomes more costly and technically complex, ultimately impacting copper prices; that while copper recycling is expected to play an essential role in meeting growing demand, it won’t be sufficient on its own; that BHP’s analysis estimates that a $250 billion investment in the sector is necessary in the next decade to overcome these challenges; that copper voted most likely to outperform in 2025, followed by gold and lithium; thatd emand is expected to increase by as much as 165% by 2030; that in the first half of 2024, 3,871 megawatts of data center space was under construction in North America alone, and that will require over 100,000 tonnes of copper; that at the UN’s COP28 climate summit 118 governments pledged to triple the world’s renewable energy capacity by 2030; that worldwide wind capacity is forecast to grow increase by 1,210,000 MW – 2024-2030, and that this would require up to 9,680,000 tonnes of copper; that worldwide solar capacity is forecast to increase by 2,910,000 MW – 2024-2030, and that this would require up to 16,000,000 tonnes of copper; that the grid-scale battery segment is projected to increase by 137,000 MW from 2024-2030, and that this would require up to 493,000 tonnes of copper; that the Tech Giants have committed to powering their data centers with 100% clean energy; that even without factoring in the renewable energy transition, or the data center boom, the world will need to mine at least 115% more copper than has been mined in human history to meet business-as-usual trends to 2050; that rapid growth in developing countries is increasing the demand for copper in building construction, electrical wiring, plumbing and industry; that the current trajectory of copper supply is failing to match up to demand projection; that managing growing demand requires substantial investment in new mining projects and infrastructure; that while demand for copper could nearly double by 2035, mining companies are having a hard time keeping up; that the U.S. will require twice as much copper to satisfy its “energy transition demand” by 2035; that adding conventional, non-energy transition demand, U.S. copper consumption will reach 3.5 million metric tons by 2035, an increase of 112 percent (6.5% CAGR). Such statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in these forward-looking statements. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Risks and uncertainties include: The receipt of all necessary approvals and permits for exploration and mining; the ability to find sufficient mineralization to mine; uncertainty of future production, uncertain capital expenditures and other costs; financing and additional capital requirements for exploration, development and construction of a mine may not be available at reasonable cost or at all; mineral grades and quantities on the projects may not be as high as expected; samples found to date and historical drilling may not be indicative of any further potential on the properties; that mineralization encountered with sampling and drilling will be uneconomic; that the targeted prospects can not be reached; the receipt in a timely fashion of further permitting; legislative, political, social or economic developments in the jurisdictions in which STCU carries on business may hinder progress; there may be no agreement with neighbors, partners or government on developing the respective projects or infrastructure; operating or technical difficulties or cost increases in connection with exploration and mining or development activities; the ability to keep key employees and operations financed; what appear at first to be similarities with operating mines and projects may not be substantially similar; share prices and market valuations of STCU and other companies may fall as a result of many factors, including those listed here and others listed in the companies’ disclosure; and the resource prices available when the resource is mined may not be sufficient to mine economically. Accordingly, readers should not place undue reliance on forward-looking information. Rockstone and the author of this report do not undertake any obligation to update any statements made in this report except as required by law. Note that mineral grades and mineralization described in similar rocks and deposits on other properties are not representative of the mineralization on STCU’s properties, and historical work and activities on its properties have not been verified and should not be relied upon. Mineralization outside of STCU’s projects is no guarantee for mineralization on the properties from STCU, and all of STCU’s projects are exploration projects. Also note that surface sampling does not necessarily correlate to grades that might be found in drilling but solely shows the potential for minerals to be found at depth through drilling below the surface sampling anomalies.

Disclosure of Interest and Advisory Cautions: Nothing in this report should be construed as a solicitation to buy or sell any securities mentioned. Rockstone, its owners and the author of this report are not registered broker-dealers or financial advisors. Before investing in any securities, you should consult with your financial advisor and a registered broker-dealer. Never make an investment based solely on what you read in an online or printed report, including Rockstone’s report, especially if the investment involves a small, thinly-traded company that isn’t well known. The author of this report, Stephan Bogner, is paid by Zimtu Capital Corp. (“Zimtu”), a TSX Venture Exchange listed investment company. Part of the author’s responsibilities at Zimtu is to research and report on companies in which Zimtu has an investment. So while the author of this report is not paid directly by Star Copper Corp. (“STCU“), the author’s employer Zimtu Capital Corp. will benefit from volume and appreciation of STCU‘s stock prices. The author currently does not own any equity of STCU, however he owns equity of Zimtu Capital Corp. and thus will also benefit from volume and price appreciation of its stock. STCU pays Zimtu Capital Corp. to provide this report and other services. As per STCU’s news-release on April 29, 2025: “Star Copper is also pleased to announce it has signed an agreement with Zimtu Capital Corp. (TSX.V: ZC) (FSE: ZCT1) (“Zimtu”) whereby Zimtu will provide marketing services under its ZimtuADVANTAGE program, effective May 1, 2025 for an initial term of 12 months at a cost of $12,500 per month. The program is designed to provide opportunities, guidance, marketing and assistance. Services include investor presentations, email marketing, lead generation campaigns, blog posts, digital campaigns, social media management, Rockstone Research reports & distribution, video news releases and related marketing & awareness activities. Zimtu is based in Vancouver, at Suite 1450 – 789 West Pender Street, Vancouver, BC V6C 1H2. Zimtu may be reached at 604.681.1568, or info@zimtu.com. Zimtu´s compensation does not include securities of the Company; as of the date hereof, Zimtu owns 1,320,000 shares and 1,320,000 warrants to acquire common shares of the Company.” Overall, multiple conflicts of interests exist. Therefore, the information provided in this report should not be construed as a financial analysis or recommendation but as an advertisement. Rockstone’s and the author’s views and opinions regarding the companies that are featured in the reports are the author‘s own views and are based on information that was received or found in the public domain, which is assumed to be reliable. Rockstone and the author have not undertaken independent due diligence of the information received or found in the public domain. Rockstone and the author of this report do not guarantee the accuracy, completeness, or usefulness of any content of this report, nor its fitness for any particular purpose. Lastly, Rockstone and the author do not guarantee that any of the companies mentioned in the report will perform as expected, and any comparisons that were made to other companies may not be valid or come into effect. Please read the entire Disclaimer carefully. If you do not agree to all of the Disclaimer, do not access this website or any of its pages including this report in form of a PDF. By using this website and/or report, and whether or not you actually read the Disclaimer, you are deemed to have accepted it. Information provided is educational and general in nature. Data, tables, figures and pictures, if not labeled or hyperlinked otherwise, have been obtained from Star Copper Corp., Tradingview, Stockwatch, and the public domain.