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LEM.V ·

Leading Edge Materials Provides an Update ON the Norr Kärr HREE Project

Corporate Updates

NEWS RELEASE September 21, 2025

LEADING EDGE MATERIALS CORP.

14th Floor 1040 West Georgia Street, Vancouver, BC, V6E 4H1

[email protected] | www.leadingedgematerials.com

TSX.V: LEM | Nasdaq First North: LEMSE | OTCQB: LEMIF | FRA: 7FL

LEADING EDGE MATERIALS PROVIDES AN UPDATE ON THE NORR KÄRR HREE PROJECT

Vancouver, September 21, 2025 – Leading Edge Materials Corp. (“Leading Edge Materials” or the

“Company”) (TSXV: LEM) (Nasdaq First North: LEMSE) (OTCQB: LEMIF) (FRA: 7FL) has through its

100% owned Swedish subsidiary Greenna Mineral AB (“GMAB”) submitted supplementary

information in respect of the Company’s application for an Exploitation Concession – 25-year

mining lease - for the Norra Kärr Heavy Rare Earth Elements Project (“HREE”).

The supplements have been prepared in response to requests by the County Administrative Boards

of Jönköping and Östergötland and statements from various regional stakeholders for additional

information on the possible environmental impacts of the project. The Company’s response has

now been sent to the Mining Inspectorate (Sw. Bergsstaten) for further review.

China dominates all stages of the rare earth elements supply chain from mining to permanent

magnet manufacturing; a position built over decades through a comprehensive state -directed and

funded industrial policy. Europe relies heavily on China for HREEs.

On 24 July, the EU successfully negotiated a relaxation of REE export restrictions imposed by China

in April. The current geopolitics of REEs underscores the urgent requirement for the establishment

of secure and reliable critical raw materials supply chains in Europe. The earlier export restrictions

led to substantial price increases for HREEs, particularly dysprosium and terbium, due to their

limited availability outside of Chinese sources. The Norra Kärr deposit, which contains significant

quantities of HREEs, including dysprosium and terbium, uniquely positions the Norra Kärr project in

addressing these supply constraints.

The Geological Survey of Sweden (“SGU”) in its capacity as an expert authority for issues relating to

geology and minerals in Sweden has stated, with the respect to the Company’s application for an

mining lease, that the deposit at Norra Kärr is very important for Sweden's and the EU's supply of

rare earth metals, and that Norra Kärr is one of Europe's richest deposits for these minerals –

especially with regard to heavy rare earth elements - the SGU discovered Norra Kärr in the early

1900s and designated it of national interest for its minerals in 2011.

Kurt Budge CEO comments:

"We are confident that we have comprehensively addressed all questions and concerns raised

during this permitting stage. With over 15 years of development work on Norra Kärr since 2009,

every aspect of the project has undergone thorough investigation and a nalysis.

Our Swedish team brings deep expertise and directly relevant experience to this Exploitation

Concession application, giving us strong confidence in our ability to develop Norra Kärr successfully

while maintaining full environmental protection and deliverin g the critical Heavy Rare Earth

Elements that European permanent magnet manufacturers require.

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We are actively engaging with local communities to highlight how significantly the current Norra Kärr

project differs from previous plans. The new approach features a 65% smaller operational footprint,

streamlined operations focused solely on extraction and mineral processing, enhanced commercial

potential through valuable HREE and industrial mineral products, and substantially reduced

environmental impact.

While important work remains through the comprehensive Environmental Permitting process, the

Greenna Mineral team looks forward to collaborating with local stakeholders, establishing

operations that benefit the local community, and supporting Sweden's lead ership position in

European critical raw materials production."

On behalf of the Board of Directors,

Leading Edge Materials Corp.

Kurt Budge, CEO

For further information, please contact the Company at:

[email protected]

www.leadingedgematerials.com

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www.leadingedgematerials.com

About Leading Edge Materials

Leading Edge Materials is a Canadian public company focused on developing a portfolio of critical

raw material projects located in the European Union. Critical raw materials are determined as such

by the European Union based on their economic importance and supply risk. They are directly linked

to high growth technologies such as lithium -ion batteries and permanent magnets for electric

motors, wind turbines and defense applications. The portfolio of projects includes the 100% owned

Woxna Graphite mine (Sweden), 100% owned Norra Kärr H eavy Rare Earth Elements project

(Sweden), and the 51% owned Bihor Sud Nickel Cobalt exploration alliance (Romania).

Additional Information

The information was submitted for publication through the agency of the contact person set out

above, on September 21, 2025, at 11:30 PM Vancouver time.

Leading Edge Materials is listed on the TSXV under the symbol “LEM”, OTCQB under the symbol

“LEMIF” and Nasdaq First North Stockholm under the symbol “LEMSE”. Svensk

Kapitalmarknadsgranskning (“SKMG”) is the Company’s Certified Adviser for the Nasdaq First North

Growth Market (Stockholm) and may be contacted via email [email protected] or by phone +46 (0)8 913

008.

Reader Advisory

This news release may contain statements which constitute “forward-looking information”, including

statements regarding the plans, intentions, beliefs and current expectations of the Company, its

directors, or its officers with respect to the future busine ss activities of the Company. The words

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“may”, “would”, “could”, “will”, “intend”, “plan”, “anticipate”, “believe”, “estimate”, “expect” and similar

expressions, as they relate to the Company, or its management, are intended to identify such

forward-looking statements. Investors are cautioned th at any such forward-looking statements are

not guarantees of future business activities and involve risks and uncertainties, and that the

Company’s future business activities may differ materially from those in the forward -looking

statements as a result of various factors, including, but not limited to, fluctuations in market prices,

changes in the Company’s intended use of proceeds from the Private Placement, successes of the

operations of the Company, continued availability of capital and financing and ge neral economic,

market or business conditions. There can be no assurances that such information will prove accurate

and, therefore, readers are advised to rely on their own evaluation of such uncertainties. The

Company does not assume any obligation to upd ate any forward -looking information except as

required under the applicable securities laws.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this news

release.