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Laurion Announces First Tranche Closing of Private Placement of Flow-Through Units and Non Flow- Through Shares This News Release is Intended FOR Distribution in Canada Only and is Not Intended FOR Distribution to United States Newswire Services or Dissemination in

Financings Mergers & Acquisitions Corporate Updates

LAURION ANNOUNCES FIRST TRANCHE CLOSING OF

PRIVATE PLACEMENT OF FLOW-THROUGH UNITS AND NON FLOW-

THROUGH SHARES

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.

TORONTO, ONTARIO (June 12, 2026) – LAURION Mineral Exploration Inc. (TSX.V: LME|OTC:

LMEFF|FSE: 5YD) (“LAURION” or the “Corporation”) is pleased to announce that it has

closed the first tranche of its previously-announced non-brokered private placement (the

“Private Placement”) consisting of flow-through units (the “FT Units”) and non flow-through

common shares (the “Non-FT Shares”) of the Corporation. Pursuant to the first tranche of

the Private Placement, the Corporation issued 3,576,946 FT Units at a subscription price of

$0.26 per FT Unit , for aggregate gross proceeds to the Corporation of approximately

$930,006.

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 entitle s 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 Private Placement 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.

“As LAURION's largest shareholder, I believe that closing this financing reflects the

continued confidence of our investor community in our technical program and capital

discipline,” said Cynthia Le Sueur -Aquin, President and CEO. “With drill crews on the

ground at Ishkōday , every dollar raised goes directly toward building the geological

value that our investors and I are equally committed to advancing.”

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In connection with the first tranche of the Private Placement, certain arm’s-length finders

received an aggregate of $61,600.43 as a cash finder’s commission and an aggregate

of 236,922 finder’s warrants. Each finder’s warrant entitles the holder thereof to acquire

one Non-FT Share at a price of $0.26 per share for a period of 24 months from the date of

issuance.

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 as part of the

first tranche).

The closing of the second tranche of the Private Placement is anticipated to occur on or

about June 18, 2026. In connection with th e Private Placement, LAURION may issue FT

Units and Non-FT Shares in an aggregate amount of up to approximately $1.0 million. 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 developm ent 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.

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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: [email protected]

Website: http://www.LAURION.ca

Follow us on: X (@LAURION_LME), Instagram (laurionmineral) and LinkedIn

(https://www.linkedin.com/in/cynthia-le-sueur-aquin-laurion-lme-04b03017/)

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 completion and timing of any additional tranches 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, fo r 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.