<div id="readability-page-1" class="page"><div>(TheNewswire)<ul><ul></ul></ul>Vancouver, BC – April 10, 2026 -TheNewswire – Vanguard Mining Corp.(&#34;Vanguard&#34; or the &#34;Company&#34;) (UUU: CSE | UUUFF: OTCID | SL51: Frankfurt) announces that ithas entered into a share exchange agreement (the “Definitive Agreement”) among the Company, Quark Uranium Ltd. (“Quark”), a companyincorporated under the laws of the Province of British Columbia, andthe shareholders of Quark (the “Shareholders”),pursuant to which the Company will acquire 100% of the issued andoutstanding common shares in the capital of Quark (the “Proposed Transaction”). The Proposed Transaction is an arm’s lengthtransaction.David C. Greenway, President and CEO of Vanguard MiningCorp., commented, “Quark’s land position in the heart of thewestern Athabasca Basin, Saskatchewan, represents a strategic additionto Vanguard’s uranium portfolio. As global demand for nuclear powercontinues to grow as a reliable and clean energy source, we believethe acquisition of the Quark Uranium claims provides the Company withexposure to one of the world’s leading uranium districts. We lookforward to advancing systematic exploration programs on thisproperty.”Transaction TermsPursuant to the terms of the Definitive Agreement,Vanguard will acquire all of the issued andoutstanding common shares of Quark in consideration for:<ul><li>the issuance of an aggregate of 8,000,000 common sharesof Vanguard (the ConsiderationShares”) at a deemed price of $0.15 per share;and </li><li>aggregate cash payments of C$200,000, payable asdirected by the Shareholders. </li></ul>The Proposed Transaction implies an aggregate value ofapproximately C$1.4 million.The Consideration Shares will be issued pro rata to theShareholders and will be subject to a statutory hold period of fourmonths and one day from the date of issuance.No finders’ fees are payable in connection with theProposed Transaction.Closing ConditionsThe Proposed Transaction remains subject to customaryclosing conditions, including but not limited to:<ul><li>receipt of all required regulatory approvals, includingapproval of the Canadian Securities Exchange (the “CSE”);and </li><li>completion of satisfactory due diligence by each party;and </li><li>the accuracy of representations and warranties; and </li><li>the fulfillment of all covenants and obligations underthe Definitive Agreement. </li></ul>There can be no assurance that the Proposed Transactionwill be completed as described or at all.About Quark Uranium ClaimsThe Quark Uranium property consists of eight (8) mineral claims totaling approximately 28,746 hectares (approximately71,030 acres) located in the Province of Saskatchewan, Canada, withinthe Athabasca Basin region.The property is situated within a well-establisheduranium-producing district in northern Saskatchewan that hashistorically accounted for a significant portion of global uraniumproduction. All of Canada’s currently operating uranium mines andmany of its known uranium deposits are located within the WesternWollaston Domain and the Wollaston–Mudjatik Transition Zone. TheQuark Uranium property comprises a contiguous land position in thisregion and is in proximity to projects operated by established uraniumexploration and mining companies, including Orano Canada and FissionUranium Corp (Figure 1).The properties are at an early stage of exploration anddo not contain any known mineral resources or mineral reserves. Whilethe Company considers the property prospective based on its regionalgeological setting, there can be no assurance that further explorationwill result in the discovery of economically recoverablemineralization.Mineralization on adjacent or nearby properties is notnecessarily indicative of mineralization on the Quark Uraniumproperty.<figure></figure>Figure 1: Quark Uranium Claim in the western Athabasca Basin, Saskatchewan Qualified Person The scientific and technical information contained in this news release has been reviewed and approved by Lawrence Segerstrom, P.Geo., M.SC., MBA, a consulting geologist who is a “Qualified Person” as such term is defined under National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”). Mr. Segerstrom is not at arm’s length to Vanguard and is therefore not independent for the purposes of NI 43-101. About Vanguard Mining Corp. Vanguard Mining Corp. is a Canadian mineral exploration company focused on the discovery and development of high-value strategic minerals. The Company is currently advancing uranium exploration projects in the United States and Paraguay, with a focus on identifying and developing assets critical to the global energy transition. Vanguard is committed to responsible exploration and value creation through the acquisition and advancement of highly prospective uranium properties. All Stakeholders are encouraged to follow the Company on its social media profiles on LinkedIn, X.com,Facebook and Instagram and sign up forupdates at Vanguardminingcorp.comNeither the Canadian SecuritiesExchange nor its Regulation Services Provider (as that term is definedin the policies of the CSE) accepts responsibility for the adequacy oraccuracy of this release.On Behalf of the Board ofDirectors“David Greenway” David Greenway, CEO For further information, pleasecontact:Vanguard Mining Corp.Brent Rusin Phone: +1 672-533-0348E-Mail: brent@vanguardminingcorp.comWebsite: vanguardminingcorp.comU.S. Securities Law DisclaimerThe securities issuable pursuant tothe Proposed Transaction have not, nor will they be registered underthe United States Securities Act of 1933, as amended, and may not beoffered or sold within the United States or to, or for the account orbenefit of, U.S. persons in the absence of U.S. registration or anapplicable exemption from the U.S. registration requirements. Thisnews release shall not constitute an offer to sell or the solicitationof an offer to buy nor shall there be any sale of the securities inthe United States or in any other jurisdiction in which such offer,solicitation or sale would be unlawful.Disclaimer for Forward-Looking Information This news release may contain certain forward-looking statements and forward-looking information (collectively, “Forward-Looking Statements”) within the meaning of the applicable Canadian and U.S. securities laws. All statements, other than statements of historical fact, included herein including, without limitation, statements with respect to the Offering and the anticipated use of the proceeds therefrom, are forward-looking statements. When or if used in this news release, the words “anticipate”, “believe”, “estimate”, “expect”, “target, “plan”, “forecast”, “may”, “schedule” and similar words or expressions identify forward-looking statements or information. Forward-Looking Statements in this news release include, without limitation, statements relating to: the completion of the Proposed Transaction on the terms described herein or at all; the satisfaction of the closing conditions to the Proposed Transaction, including the receipt of all necessary regulatory, CSE, and third-party approvals and consents; the issuance of the Consideration Shares and the making of the cash payments to the Shareholders upon closing; the anticipated benefits of the Proposed Transaction to the Company and its shareholders; the Company's plans with respect to the mineral claims held by Quark following completion of the Proposed Transaction; and the Company's broader business objectives, exploration plans, and strategic direction. Forward-Looking Statements are based on the reasonable assumptions, estimates, expectations, and opinions of management of the Company as of the date of this news release, and are necessarily subject to a number of known and unknown risks, uncertainties, and other factors that may cause actual results, performance, or achievements of the Company to be materially different from those expressed or implied by such Forward-Looking Statements, including but not limited to: the risk that the Proposed Transaction is not completed on the terms described or at all; the failure to obtain required regulatory, CSE, or third-party approvals or consents on a timely basis or at all; the risk that due diligence reveals issues that affect the completion of the Proposed Transaction; risks relating to the mineral exploration industry, including the inherent uncertainty of mineral exploration and development; risks related to the title, ownership, and condition of the mineral claims held by Quark; fluctuations in commodity prices, including uranium prices; changes in applicable laws, regulations, or government policies in Canada, the United States, Paraguay, or any other relevant jurisdiction; general economic, market, and business conditions; another risks and uncertainties described from time to time in the Company's public disclosure documents filed on SEDAR+ (www.sedarplus.ca). Although the Company believes thatthe assumptions underlying the Forward-Looking Statements arereasonable, undue reliance should not be placed on these statements,which apply only as of the date of this news release. TheForward-Looking Statements contained herein are expressly qualified intheir entirety by this cautionary note. The Company does not undertake any obligationto publicly update or revise any Forward-Looking Statements, whetheras a result of new information, future events, or otherwise, except asrequired by applicable securities laws.Readers are cautioned that theforegoing list of risks and uncertainties is not exhaustive.Additional information about these and other risks and uncertaintiesis available in the Company's public disclosure documents filedon SEDAR+ at www.sedarplus.ca./NOT FORDISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATIONIN THE UNITED STATES/Copyright (c) 2026 TheNewswire - All rights reserved.</div></div>

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Vanguard Mining Corp. has announced a proposed acquisition of Quark Uranium Ltd. through a share exchange agreement, aiming to acquire 100% of Quark's common shares. The deal, valued at approximately C$1.4 million, includes the issuance of 8 million common shares and cash payments of C$200,000. The acquisition is seen as a strategic addition to Vanguard's uranium portfolio, enhancing its position in the Athabasca Basin, a key uranium-producing region. The transaction is subject to regulatory approvals and customary closing conditions.

Vanguard Mining Announces Proposed Acquisition of Quark Uranium Ltd.