Laurion completes private placement of flow-through units and shares

      TORONTO, ONTARIO - (June 17, 2026) – TheNewswire - LAURION Mineral Exploration Inc. (TSX.V: LME|OTC: LMEFF|FSE: 5YD) (“LAURION” or the “Corporation”) is pleased to announce that it has closed the second and final tranche (the “ Second Tranche ”) of its non-brokered private placement (the “ Private Placement ”) of flow-through units (the “ FT Units ”) and non flow-through common shares (the “ Non-FT Shares ”), which was originally announced on May 25, 2026. Pursuant to the Second Tranche, the Corporation issued 333,333 Non-FT Shares at a price of $0.21 per share for aggregate gross proceeds of approximately $70,000. The Corporation previously announced the closing of the first tranche of the Private Placement (the “ First Tranche ”) on June 12, 2026, pursuant to which the Corporation issued 3,576,946 FT Units at a price of $0.26 per FT Unit for aggregate gross proceeds of approximately $930,006.

In total, the Corporation has raised approximately $1.0 million across both tranches of the Private Placement. Each FT Unit consists of one common share of the Corporation (each, a “ FT Share ”) and one common share purchase warrant (each, a “ Warrant ”). Each Warrant entitles the holder thereof to acquire one Non-FT Share at a price of $0.35 per share for a period of 24 months from the date of issuance.

The FT Shares and Warrants comprising the FT Units qualify as “flow-through shares”, as defined in subsection 66(15) of the Income Tax Act (Canada) (the “ Tax Act ”) . The gross proceeds of the First Tranche will be used for “Canadian exploration expenses” (within the meaning of the Tax Act), which will qualify, once renounced, as “flow-through mining expenditures”, as defined in the Tax Act, which will be renounced with an effective date of no later than December 31, 2026 (provided the subscriber deals at arm’s length with the Corporation at all relevant times) to the initial purchasers of FT Units in an aggregate amount not less than the gross proceeds raised from the issue of the FT Units. LAURION intends to allocate the gross proceeds from the issue of FT Units to advance the Corporation’s 2026 drill program on the Ishkõday property.

The Corporation intends to use the net proceeds from the issue of Non-FT Shares for exploration activities and general working capital purposes. Pursuant to applicable Canadian securities laws, all securities issued pursuant to the Private Placement are subject to a hold period of four months and one day from the applicable closing date, expiring on October 13, 2026 (for securities issued under the First Tranche) or October 18, 2026 (for securities issued under the Second Tranche), as applicable. No finders’ fees were paid in connection with the Second Tranche.

The Private Placement remains subject to the final approval of the TSX Venture Exchange (the “ TSXV ”). About LAURION Mineral Exploration Inc.   LAURION Mineral Exploration Inc. is listed on the TSX Venture Exchange (LME), OTC (LMEFF), and Frankfurt Stock Exchange (5YD), and is a mid-stage Canadian mineral exploration company, focused on advancing the 100%-owned Ishkōday Gold & Polymetallic Project in Northern Ontario.   The Ishkōday Project covers approximately 57 km² within the prolific Beardmore–Geraldton and Onaman–Tashota Greenstone Belts and hosts a district-scale mineralized corridor extending more than six kilometres. Historical and modern exploration programs have completed over 98,000 metres of drilling, confirming a large and evolving gold-rich polymetallic mineral system.   LAURION’s strategy emphasizes disciplined, data-driven exploration, systematic technical advancement, integrated geological modelling, and responsible capital allocation.

The Corporation is focused on strengthening geological confidence, expanding the scale of the mineral system, and positioning the project for a future NI 43-101 Mineral Resource Estimate (MRE). LAURION continues to evaluate opportunities that may enhance project development flexibility, including potential non-dilutive initiatives such as the evaluation of historical surface stockpile processing. The Corporation’s objective is to build technical clarity, scale, and long-term project value before monetization, ensuring that future development decisions or strategic opportunities are supported by strong geological foundations and reduced execution risk.   Cynthia Le Sueur-Aquin, President and CEO of LAURION, is the Corporation’s largest shareholder, holding 17,221,306 common shares, reflecting strong alignment between management and shareholders.   FOR FURTHER INFORMATION, CONTACT : LAURION Mineral Exploration Inc .   Cynthia Le Sueur-Aquin – President and CEO Tel: 1-705-788-9186 Fax: 1-705-805-9256   Douglas Vass – Investor Relations Consultant Email: info@laurion.ca   Website: http://www.LAURION.ca Follow us on: X ( @LAURION_LME ), Instagram (laurionmineral) and LinkedIn ( )   Caution Regarding Forward-Looking Information This press release contains forward-looking statements, which reflect the Corporation’s current expectations regarding future events including with respect to LAURION's business, operations and condition, management's objectives, strategies, beliefs and intentions, the use of proceeds of the Private Placement, the Corporation’s ability to advance, expand and/or develop the Ishkõday Project (and achieve the Corporation’s technical and strategic objectives) and any possible strategic alternatives and transactional opportunities that may arise and/or could be procured in the future with respect to the Corporation.

The forward-looking statements involve risks and uncertainties. Actual events and future results, performance or achievements expressed or implied by such forward-looking statements could differ materially from those projected herein including as a result of a change in the trading price of the common shares of LAURION, the TSXV not providing its final approval for the Private Placement (including the payment of finders’ fees in connection therewith) or any strategic alternatives or transactional opportunities, the interpretation and actual results of current exploration activities, future prices of gold and/or other metals, and those factors disclosed in the Corporation’s publicly filed documents. Investors should consult the Corporation’s ongoing quarterly and annual filings, as well as any other additional documentation comprising the Corporation’s public disclosure record, for additional information on risks and uncertainties relating to these forward-looking statements.

The reader is cautioned not to rely on these forward-looking statements. Subject to applicable law, the Corporation disclaims any obligation to update these forward-looking statements. All sample values are from grab samples and channel samples, which by their nature, are not necessarily representative of overall grades of mineralized areas.

Readers are cautioned to not place undue reliance on the assay values reported in this press release. NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICE PROVIDER (AS THAT TERM IS DEFINED IN THE POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF THIS NEWS RELEASE.     THIS NEWS RELEASE IS INTENDED FOR DISTRIBUTION IN CANADA ONLY AND IS NOT INTENDED FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR DISSEMINATION IN THE UNITED STATES. Copyright (c) 2026 TheNewswire - All rights reserved.

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