LME.V · 2026-09-23 12:00:00

LAURION Reports Multiple Gold and Polymetallic Intercepts, Including 9.90 m Grading 0.563 g/t Au and 4.55 m Grading 0.76% Cu and 12.29 g/t Ag, Including 1.70 m Grading 1.56% Cu and 24.45 g/t Ag at Ishkōday Highlights Include:

Drill Results

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LAURION Reports Multiple Gold and Polymetallic Intercepts, Including

9.90 m Grading 0.563 g/t Au and 4.55 m Grading 0.76% Cu and 12.29

g/t Ag, Including 1.70 m Grading 1.56% Cu and 24.45 g/t Ag at

Ishkōday

Highlights Include:

LBX26-110:

• 4.55 m grading 0.063 g/t Au, 12.29 g/t Ag, 0.76% Cu and 0.16% Zn (80.45 m to 85.00

m), including:

 1.70 m grading 0.138 g/t Au, 24.45 g/t Ag, 1.56% Cu and 0.31% Zn (80.45 m to

82.15 m).

• 9.90 m grading 0.563 g/t Au (205.70 m to 215.60 m), including:

 2.30 m grading 1.693 g/t Au (211.70 m to 214.00 m).

• 3.70 m grading 0.246 g/t Au, 8.04 g/t Ag, 0.60% Cu and 1.08% Zn (184.20 m to 187.90

m), including:

 1.00 m grading 0.427 g/t Au, 17.15 g/t Ag, 1.18% Cu and 3.63% Zn (186.90 m to

187.90 m).

TORONTO, Ontario, September 23, 2026 — LAURION Mineral Exploration Inc. (TSX -V: LME |

OTC: LMEFF | FSE: 5YD) (“LAURION” or the “Company”) is pleased to report assay results from

drill holes LBX26-109 and LBX26 -110 from its 2026 Phase 1 diamond drilling program at its

100%-owned Ishkōday Gold and Polymetallic Project (“Ishkōday”), located approximately

220 km northeast of Thunder Bay and 28 km northeast of Beardmore, Northwestern Ontario.

Phase 1 Drill Program and Progress

Through targeted infill, expansion and exploration drilling, LAURION’s 2026 Phase 1 drill

program is designed to systematically advance the A -Zone, which may support the

evaluation of a potential maiden Mineral Resource Estimate (“MRE”). LBX26-109 and LBX26-

110 tested targets associated with the River Shear, historical gold intercepts and modelled

mineralized horizons, providing additional geological information from comparatively

underexplored areas of the mineralized system.

LBX26-109 was designed to test an isolated chargeability anomaly in the footwall of the

River Shear, while also testing along strike to the northeast of high -grade gold intercepts

reported in historic drill holes 88-22 and K-56. The hole was intended to determine whether

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mineralization associated with these historical intercepts and the geophysical response

continues into this comparatively underexplored area.

LBX26-110 was proximal to LBX26 -109, drilled as a step -back from historic drill hole K -45 to

test the River Shear and a mineralized horizon modelled from historic drill logs, while also

testing the area associated with high-grade historical intercepts in drill hole M1. In addition

to intersecting the anticipated River Zone, the hole encountered a 9.90 m gold -bearing

interval from 205.70 m to 215.60 m associated with silicification of a shear zone and possible

disseminated pyrite, as well as a separate 6.00 m gold -bearing interval from 238.00 m to

244.00 m near the contact with the pluton. These deeper intervals were unexpected and

provide new geological information for potential follow-up evaluation in the future.

Building on the program to date, LAURION increased its planned Phase 1 drilling from 3,865

metres to 5,605 metres across 22 drill holes. The expanded program is being informed by SRK

Consulting’s independent structural gap analysis of the A-Zone, which identified five priority

target areas where additional drilling may address key gaps in the existing drill database

and further strengthen geological understanding. LAURION is using this framework, together

with ongoing drill results, to prioritize near -term drilling as it continues to systematically

advance the A -Zone toward its potential maiden MRE. Specific targets, sequencing and

timing remain subject to, among other things, ongoing results and available financing.

LBX26-109 Assay Summary

Hole ID From

(m)

To (m) Core Length

(m)

(g/t)

(%)

Zn (%)

LBX26-109 17.90 19.10 1.20 0.670 1.52 0.04 0.87

including 17.90 18.40 0.50 0.156 3.30 0.07 1.61

LBX26-109 26.20 26.70 0.50 0.144 14.30 0.13 0.03

LBX26-109 236.65 237.20 0.55 0.284 0.25 - 0.03

LBX26-110 Assay Summary

Hole ID From

(m)

To (m) Core Length

(m)

(g/t)

(%)

Zn (%)

LBX26-110 12.90 13.70 0.80 1.260 0.70 0.01 0.01

LBX26-110 25.80 26.50 0.70 0.414 0.50 0.02 0.01

LBX26-110 29.60 32.40 2.80 0.272 0.91 0.01 0.01

including 31.30 31.80 0.50 0.658 0.60 - 0.01

LBX26-110 37.30 41.70 4.40 0.072 2.35 0.45 0.02

including 39.55 41.10 1.55 0.149 4.86 0.87 0.01

including 40.05 40.60 0.55 0.201 7.80 1.57 0.01

LBX26-110 80.45 85.00 4.55 0.063 12.29 0.76 0.16

including 80.45 82.15 1.70 0.138 24.45 1.56 0.31

including 81.15 82.15 1.00 0.183 32.05 2.16 0.45

including 165.50 166.95 1.45 0.018 1.15 0.12 1.72

LBX26-110 184.20 187.90 3.70 0.246 8.04 0.60 1.08

including 186.90 187.90 1.00 0.427 17.15 1.18 3.63

LBX26-110 197.65 198.35 0.70 0.141 0.25 0.01 0.01

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LBX26-110 200.50 201.00 0.50 0.152 1.20 0.11 0.02

LBX26-110 205.70 215.60 9.90 0.563 0.31 - 0.01

including 211.70 214.00 2.30 1.693 0.43 - 0.01

LBX26-110 230.40 231.00 0.60 0.370 0.25 - 0.01

LBX26-110 238.00 244.00 6.00 0.210 0.25 0.01 0.01

Actual Hole ID Easting Northing Elevation

Planned

Azimuth

Planned

Dip

Planned

Length

LBX26-109 446084 5513178 321 317 -46 307

LBX26-110 446106 5513334 322 328 -50 246

Note: All Core lengths are drilled thicknesses; true widths have not yet been determined.

Intervals are calculated using a nominal cut -off and may include internal dilution;

“including” intervals are sub-intervals of higher grade contained within the reported interval.

Qualified Person

The technical contents of this press release have been reviewed and approved by Dr. Trevor

Boyd, Ph.D., P.Geo., a consultant to LAURION and a Qualified Person as defined by National

Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”). Dr. Boyd is

independent of the Company within the meaning of NI 43-101.

Sampling and QA/QC Protocols

All drill core is transported and stored inside the core logging facility located at the Ishkōday

Project in Greenstone, Ontario.

LAURION employs an industry standard system of external standards, blanks and duplicates

for all of its sampling, in addition to the QA/QC protocol employed by the laboratory. After

logging, core samples were identified and then cut in half along the core axis in the same

building and then zip tied individually in plastic sample bags with a bar code. Approximately

five or six of these individual bags were then stacked into a “rice” white material bag and

stored on a skid for final shipment to the labor atory. All core samples were shipped to the

ALS facility in Thunder Bay, Ontario, which were then prepared by ALS Global Geochemistry

in Thunder Bay and analyzed by ALS Global Analytical Lab in North Vancouver, British

Columbia. Samples are processed by 4 -acid digestion and analyzed by fire assay on 50 g

pulps and ICP-AES (Inductively Coupled Plasma – Atomic Emission Spectroscopy).

Over limit analyses are reprocessed with gravimetric finish. A total of 5% blanks and 5%

standards are inserted randomly within all samples. 5% of the best assay result pulps were

sent for re -assays. All QA/QC results were verified, and no contamination or bias was

observed. The remaining half of the core, as well as the unsampled core, is stored in

temporary core racks at the core logging facility in Beardmore before being moved to the

core storage facility at the Ishkōday Project.

Note: QA/QC review of standards and duplicates indicates analytical results are reliable.

One zinc standard adjacent to a high -grade zinc interval returned elevated values

consistent with expected analytical behaviour following high-grade samples.

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About LAURION

LAURION Mineral Exploration Inc. is listed on the TSX Venture Exchange (LME), OTCQB

( L M E F F ) , a n d F r a n k f u r t S t o c k E x c h a n g e ( 5 Y D ) , a n d i s a m i d-stage Canadian mineral

exploration company, focused on advancing the 100%- owned Ishkōday Gold and Base

Metal Project in Northern Ontario.

The Ishkōday Project covers approximately 57 km² within the prolific Beardmore–Geraldton

and Onaman–Tashota Greenstone Belts and hosts a single 6.0 km by 2.5 km mineralised

corridor. Historical and modern exploration programs have completed over 98,000 met res

of drilling, confirming a large and evolving gold-rich base metal mineral system.

LAURION’s strategy emphasizes disciplined, data -driven exploration, systematic technical

advancement, integrated geological modelling, and responsible capital allocation. The

Company is focused on strengthening geological confidence, expanding the scale of the

mineral system, and positioning the project for a potential, future 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 Company ’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 Company ’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: [email protected]

Website: http://www.LAURION.ca

Caution Regarding Forward-Looking Information

This press release contains forward-looking statements, which reflect the Company’s current

expectations regarding future events including with respect to LAURION ’s business,

operations and condition, management's objectives, strategies, beliefs and intentions, the

Company’s ability to advance the Ishkōday Project and achieve the Company’s strategic

and technical objectives (within the above -stated timeframes, if at all), including with

respect to the Company’s expectations regarding the MRE, the nature, focus, timing and

potential results of the Company’s exploration, drilling and prospecting activities, including

the Company ’s exploration program and planned exploration and drilling activities

referenced in this press release, and the statements regarding the Company ’s exploration

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or consideration of any possible strategic alternatives and transactional opportunities, as

well as the potential outcome(s) of this process, the possible impact of any potential

transactions referenced herein on the Company or any of its stakeholders, and the ability

of the Company to identify and complete any potential acquisitions, mergers, financings or

other transactions referenced herein, and the timing of any such transactions.

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 failure to obtain the

consents, permits and/or approvals from applicable governmental bodies, regulators and

First Nations communities, required in connection with the Company ’s strategic and

technical objectives, the risk that additional drilling and/or future results may not support

the preparation of an MRE, the TSX Venture Exchange or any other applicable regulator not

providing its approval for any strategic alternatives or transactional opportunities, the

interpretation and actual results of current exploration activities, changes in project

parameters as p lans continue to be refined, future prices of gold and/or other metals,

possible variations in grade or recovery rates, failure of equipment or processes to operate

as anticipated, the failure of contracted parties to perform, labor disputes and other risks of

the mining industry, delays in obtaining governmental approvals or financing or in the

completion of exploration, as well as those factors disclosed in the Company’s publicly filed

documents. Investors should consult the Company ’s ongoing quarterly and annual filings,

as well as any other additional documentation comprising the Company’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 Company disclaims any obligation to update these forward-looking

statements. Readers are cautioned to not place undue reliance on the assay values

reported in this press release. References to historical workings, historical exploration results

and historical mining activities are provided for context only. Historical information may not

be reliable and should not be interpreted as an indication of current mineral resources,

mineral reserves or future exploration results.

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.

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