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Neotech Metals Announces Distinct Apatite-Dominant Rare Earth Mineralization at Hecla-Kilmer

Corporate Updates

Neotech Metals Announces Distinct Apatite-

Dominant Rare Earth Mineralization at Hecla-

Kilmer

Vancouver, British Columbia--(Newsfile Corp. - December 15, 2025) - Neotech Metals Corp. (CSE:

NTMC) (OTCQB: NTMFF) (FSE: V690) (

"Neotech"

or

"the Company"

) is pleased to report the

results of a comprehensive and independent mineralogical study completed by SGS Lakefield (

"SGS"

)

on the Company's 100% owned Hecla-Kilmer (

"H/K"

) Rare Earth & Critical Minerals Project in northern

Ontario. These results

confirm that up to 98% of total rare earth elements occur in apatite

, and it is this

distinctive apatite mineralogy, with

exceptional leachability at low temperatures

, that sets H/K apart.

Key Findings from SGS Lakefield Metalogical Study include:

Apatites contain uniquely high *TREO content (7.4% TREO), with the master composite accounting

for approximately 82% of the *TREO distribution.

Seven out of eight samples contain 85% or more of total rare earth elements (*TREEs) hosted in

apatite,

Apatite hosts up to 98% of *TREEs across the dataset,

Apatite occurs as a major rock-forming mineral (28% to 56% abundance) within the sampled

interval,

Discrete rare earth minerals are present only in trace quantities, including synchysite (0.36%),

monazite (0.05%), and bastnäsite (0.01%) in the Master Composite.

This study establishes H/K as a fundamentally distinct rare earth system. Apatite occurs extensively

across the sampled intervals and serves as the primary carrier of rare earth elements—an uncommon

mineralization style globally. SGS further reports that monazite, synchysite, bastnäsite, allanite, and other

rare earth minerals (REM) together account for less than 1% of the mineral assemblage, confirming that

discrete rare earth minerals are only present at trace levels and that apatite overwhelmingly hosts the

rare earth content.

Targeting Apatites

Extensive mineralogical work completed by SGS Canada confirms that rare earths at Hecla-Kilmer are

overwhelmingly hosted within apatite, supported by a multi-method analytical program that included

TIMA-X (Tescan Integrated Mineral Analyzer), EPMA (Electron Probe Micro Analysis), X-ray diffraction

(XRD) and LA-ICP-MS (Laser Ablation by Inductively Couple Mass Spectrometry).

Eight representative variability samples, collected across the 361-metre interval in drill hole HK22-13

(which averaged 1% *TREO from bedrock surface), were examined to quantify both mineral abundance

and mineral-specific rare earth deportment.

This mineralogical distribution establishes Hecla-Kilmer as a distinctly apatite-hosted rare earth system,

fundamentally different from conventional monazite- or bastnäsite-dominant deposits. The independent

SGS report confirms that the rare earth content resides largely within the apatite crystal lattice, rather

than in separate refractory mineral grains nor inclusions within the individual apatite crystals.

This host-mineral relationship directly supports the exceptional low-temperature, low-acid leachability

demonstrated in Neotech's metallurgical testwork announced on April 1, 2025. High liberation of apatite

(80–92% across all samples) at moderate grind sizes further reinforces its suitability as the primary

metallurgical target for rare earth extraction.

The combined mineralogical and metallurgical datasets now provide a consistent, independent

confirmation of the unique processing advantages inherent to the Hecla-Kilmer system.

Figure 1 – Table showing respective samples and Lanthanum dispersions throughout various holes,

with 6 samples exhibiting >90% in the apatite crystal structures.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/9768/278003_ed8e49ab74221a7d_001full.jpg

“Hecla-Kilmer continues to distinguish itself from every comparable rare earth system we have

studied,”

stated CEO, Reagan Glazier, in comment.

“The confirmation that rare earths are

overwhelmingly hosted within apatite, gives this project a unique foundation among known rare earth

deposits. Our metallurgical work has already shown the advantages associated with this style of

mineralization, and together these results position Hecla-Kilmer as a potential significant source of

critical minerals within a modern supply chain. We are very encouraged by the continued progress at

the project as we advance and derisk a rare earth system that aligns with the goals of secure and

sustainable value-added supply chains needed for the green transition.”

2025 Hecla-Kilmer Drill Campaign

During 2025 the Company successfully completed approximately 8,000 meters of drilling at H/K, as well

as re-logging and re-assaying approximately 1,900 meters of core drilled by the previous owner, VR

Resources Ltd. between 2020-2023 for the full rare earth suite and is to be included in the Maiden

Resource Estimate ("

MRE

"), expected to come in 2026.

Qualified Person

Technical Information for this news release has been prepared in accordance with the Canadian

regulatory requirements set out in National Instrument 43-101. Jared Galenzoski VP Exploration, P.Geo.,

and Qualified Person, has reviewed and approved all of the data and statements made for this news

release.

About the Neotech Metals

Neotech Metals Corp. (CSE: NTMC) (OTCQB: NTMFF) (FSE: V690) is a mineral exploration company

dedicated to discovering and developing valuable mineral resources within promising jurisdictions

around the world. With a strong commitment to environmental stewardship and sustainable practices,

Neotech is positioned to make a positive impact while maximizing the potential of its exploration

properties.

The Company holds 100% ownership in three high-quality strategic Rare-Earth Element and Rare

Metals projects, including the Hecla-Kilmer, located 20 km from the Otter Rapids 180MW hydroelectric

power generation station and active Ontario Northway railway, along with its TREO and Foothills projects

located in British Columbia.

For additional information on NTMC, please visit the Company's website at

www.neotechmetals.com

.

ON BEHALF OF THE BOARD

Reagan Glazier, Chief Executive Officer and Director

Neotech Metals Corp.

Contact Information

Reagan Glazier, CEO and Director

[email protected]

+1 403-815-6663

*

TREO (Total Rare-Earth Oxides) has been used to express the results in the press release. TREO is calculated by converting the elemental

ppm to Rare-Earth Oxides using a conversion factor and is the summation of CeO

2

+ La

2

O

3

+ Pr

6

O

11

+ Nd

2

O

3

+ Sm

2

O

3

+ Eu

2

O

3

+ Gd

2

O

3

+

Tb

4

O

7

+ Dy

2

O

3

+ Ho

2

O

3

+ Er

2

O

3

+ Tm

2

O

3

+ Yb

2

O

3

+ Lu

2

O

3

+ Y

2

O

3

.

*

TREE (Total Rare-Earth Elements) has been used to express the results in the press release. TREE is calculated by summing the elemental

ppm of Rare-Earth Elements Ce + La + Pr + Nd + Sm + Eu + Gd + Tb + Dy + Ho + Er + Tm + Yb + Lu + Y.

**

PMREO (Permanent Magnet Rare-Earth Oxides) has been used to express the results in the press release. TREO is calculated by converting

the elemental ppm to Rare-Earth Oxides using a conversion factor and is the summation of Pr

6

O

11

+ Nd

2

O

3

+ Tb

4

O

7

+ Dy

2

O

3.

Forward-Looking Statements

Certain information contained herein constitutes "forward-looking information" under Canadian

securities legislation. Generally, forward-looking information can be identified by the use of forward-

looking terminology such as "will", "will be" or variations of such words and phrases or statements that

certain actions, events or results "will" occur. Forward-looking statements are based on the opinions and

estimates of management as of the date such statements are made and they are from those expressed

or implied by such forward-looking statements or forward-looking information subject to known and

unknown risks, uncertainties and other factors that may cause the actual results to be materially different,

including receipt of all necessary regulatory approvals. Although management of the Company have

attempted to identify important factors that could cause actual results to differ materially from those

contained in forward-looking statements or forward-looking information, there may be other factors that

cause results not to be as anticipated, estimated or intended. There can be no assurance that such

statements will prove to be accurate, as actual results and future events could differ materially from those

anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking

statements and forward-looking information. The Company will not update any forward-looking

statements or forward-looking information that are incorporated by reference herein, except as required

by applicable securities laws.

Neither the CSE nor its Regulation Services Provider accepts responsibility for the adequacy or

accuracy of this release.

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

https://www.newsfilecorp.com/release/278003