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NeoTerrex Completes Summer Program at the Monument Rare Earths Project, Applies for Drill Permits

Exploration Programs Permits & Approvals

NeoTerrex Completes Summer Program at the

Monument Rare Earths Project, Applies for

Drill Permits

Ottawa, Ontario--(Newsfile Corp. - September 17, 2025) - NeoTerrex Minerals Inc. (TSXV: NTX)

("NeoTerrex" or the "Company") is pleased to announce the successful completion of the first phase

(Phase I) of its exploration program at its 100%-owned Monument Rare Earth Element ("REE") project

(the "Project"), located in the Waswanipi/Montviel region of Quebec.

The Project is adjacent to the Montviel light rare deposit which boasts a NI 43-101 resource of 183.9

million tonnes ("Mt") grading 1.45% Total Rare Earth Oxides Indicated and 66.7 Mt Inferred grading

1.46% Total Rare Earth Oxides (SGS Canada, 2011). The Project shares the same geology as the

Montviel deposit but has never been explored for rare earths.

A first-pass reconnaissance program on the Project revealed no bedrock exposure on the claims, which

helps explain the lack of historical exploration in the area. Only two historical drill holes, spaced

approximately 2 kilometres apart, are known to have been completed within the Project boundaries.

These holes, drilled in the 1990s in search of diamonds, did not intersect kimberlite but instead cut

carbonatite along their entire length. Importantly, the drill core was never assayed at the time.

In the fall of 2024, NeoTerrex completed an airborne magnetic and electromagnetic survey over the

Project. This work identified strong coincident electromagnetic and magnetic anomalies, comparable to

those associated with the nearby Montviel REE deposit, located approximately 5 kilometres east of the

Project.

Building on these results, during the summer of 2025, NeoTerrex completed a soil and till sampling

program across the most prominent anomalies to evaluate their potential source and refine drill targets.

Analytical results from this program are pending.

Planning for an upcoming drill program is ongoing, with initial targets selected and applications for drill

permits submitted.

NeoTerrex remains well-financed with approximately $3 million in working capital and no debt,

positioning the Company with the flexibility to advance multiple projects in parallel. In addition to the

Project, NeoTerrex is actively evaluating and advancing its broader portfolio of critical mineral projects,

each with rare earth elements and other critical metals potential.

Through this multi-project strategy, NeoTerrex is strengthening its role in the exploration and

development of critical minerals in North America, with the overarching objective of contributing to long-

term supply security for Western markets. In advancing these efforts, the Company continues to

collaborate with Indigenous communities, ensuring that local perspectives are recognized and

incorporated into the development of its projects.

Qualified Persons

Technical and scientific aspects of this news release have been reviewed, verified, and approved by

Mathieu Stephens, P.Geo., President and CEO of NeoTerrex, the Qualified Person, as defined by

National Instrument 43-101 -

Standards of Disclosure for Mineral Projects

. The Qualified Person has

not verified the Montviel deposit resource estimate, and its mineralization is not necessarily indicative to

the mineralization on the Project.

About NeoTerrex

The Company is currently advancing its prospective critical minerals projects located in the Province of

Quebec, with the majority located within or near areas with excellent infrastructure. NeoTerrex is

positioning itself to capitalize on the growing critical minerals sector in North America by identifying new

deposits in favorable locations.

For further information, please contact:

NeoTerrex Minerals Inc.

Mathieu Stephens, President & Chief Executive Officer

[email protected]

343-308-2648

Neither the TSXV nor its Regulation Services Provider (as that term is defined in the policies of

the TSXV) accepts responsibility for the adequacy or accuracy of this news release.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This news release may contain certain forward-looking information and statements, including without

limitation, statements pertaining to NeoTerrex's future plans, objectives or goals regarding the drill

program of the Company and the timing and results of assay results. All statements included herein,

other than statements of historical fact, are forward-looking information and such information involves

various risks and uncertainties.

The Company does not undertake to update any forward-looking

information except in accordance with applicable securities laws. There can be no assurance that such

information will prove to be accurate, and actual results and future events could differ materially from

those anticipated in such information. A description of assumptions used to develop such forward-

looking information and a description of risk factors that may cause actual results to differ materially from

forward-looking information can be found in the Company's disclosure documents on the SEDAR+

website at

www.sedarplus.ca

.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/266776