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Euro Manganese Advances Optimization Program to Strengthen Economics and Align with Global Battery Market Demand Chvaletice Manganese Project optimization program underway to enhance efficiency, reduce capital and operating

Exploration Programs

Euro Manganese Advances Optimization

Program to Strengthen Economics and Align

with Global Battery Market Demand

Chvaletice Manganese Project optimization program

underway to enhance efficiency, reduce capital and operating

costs, and position Europe's only high-purity manganese

producer to meet rising EV, energy storage demand and

defence applications.

Highlights

Global demand for high-purity manganese continues to accelerate as electric vehicle batteries

pivot to high manganese designs, stationary energy storage adoption expands and defence

applications scale up.

Euro Manganese's metal-route process validated as flexible and efficient pathway to supply both

HPMSM and HPEMM feedstocks for evolving cathode chemistries.

Demonstration Plant results underpin optimization workstreams targeting operating cost

reductions, improved recoveries, and optimized capital expenditures.

External engineering specialists engaged to identify Commercial Plant efficiency improvements

and implement best-practice design refinements.

Market report prepared by industry expert, Andrew Zemek at MarketEye, confirms that Euro

Manganese's metal-route is the most flexible way of future-proofing the output of the Chvaletice

Commercial Plant in the context of changing demand for the manganese feedstock mix for high-

manganese batteries.

Optimization outcomes expected to inform next-phase development plans and potential updated

technical studies.

Vancouver, British Columbia--(Newsfile Corp. - October 20, 2025) - Euro Manganese Inc. (TSXV: EMN)

(ASX: EMN) (FSE: E060)

(the "

Company

" or "

Euro Manganese

") is pleased to provide an update as

it continues to advance its Chvaletice Manganese Project ("

Chvaletice

") in the Czech Republic toward

commercialization. The update reflects ongoing efforts to align project execution and development

priorities with evolving market conditions and learnings from the operation of the Demonstration Plant.

President & CEO, Martina Blahova, commented:

"With our Demonstration Plant having validated the Chvaletice process and product quality, our focus

has shifted to translating these learnings into commercial-scale efficiencies. Our focus on recovery and

costs aims to achieve meaningful improvements in unit operating costs and capital intensities. We see

sustained demand for high-purity manganese across both lithium-ion and sodium-ion chemistries, and

Euro Manganese is working to respond to this critical need."

Global Market Outlook and Company Strategy

Global demand for high-purity manganese continues to strengthen as electric-vehicle ("

EV

") and energy

storage markets expand and diversify. Manganese-rich cathode chemistries are gaining traction for both

lithium-ion and emerging sodium-ion batteries due to their cost, performance and safety advantages.

Independent forecasts anticipate significant supply shortfalls post-2027, underscoring the need for

secure, low-carbon sources outside of China.

1

Euro Manganese's strategy - to establish a fully traceable European supply of high-purity manganese

feedstocks remains well-founded. The Company's Chvaletice Project offers a unique combination of

proven technology, circular production from recycled tailings, and alignment with Europe's strategic

autonomy and energy-transition goals, working towards supplying the EV, energy-storage, defence, and

speciality-alloy sectors.

Validation of Metal-Route Optionality

A report prepared by Andrew Zemek at Marketeye, (September 2025)

2

and paid for by Euro

Manganese confirms that Euro Manganese's metal-route process is the most flexible way of future-

proofing the output of the Chvaletice Commercial Plant in the context of changing demand for the

manganese feedstock mix for high-manganese batteries. The process provides strategic optionality to

produce high-purity electrolytic manganese metal ("

HPEMM

") and/or high-purity manganese sulphate

monohydrate ("

HPMSM

"). This dual-route capability positions the Company to respond dynamically to

future shifts in cathode chemistries and customer requirements.

HPMSM remains the dominant

feedstock for cathode chemistries, however new materials such as manganese oxide (Mn

O

) and

manganese carbonate (MnCO

) have emerged.

These alternative manganese feedstocks can be

produced from HPEMM.

EMN's Chairman, Rick Anthon, commented:

"Euro Manganese's strategic advantage lies in its combination of strong project fundamentals, proven

flowsheet, and alignment with Europe's decarbonisation and economic security goals. The optimization

program aims to ensure we maintain our competitive edge and build on our first mover advantage in

Europe with a goal of reducing costs and maximising value for shareholders, while delivering a

sustainable source of high-purity manganese for the battery market and other strategic sectors."

Optimization and Efficiency Program

Following the successful operation of its Demonstration Plant, Euro Manganese has initiated an

optimization program to incorporate operational learnings into design of the Commercial Plant. Key

workstreams include exploring:

Improved recoveries and metallurgical balancing;

Optimized equipment-sizing and layout;

Reduced reagent and consumables use; and

Enhanced process control.

The Company has engaged external engineering specialists, including a large engineering firm, to

conduct independent reviews and recommend efficiency upgrades. This structured, best-practice

approach mirrors successful programs across the battery and mining sectors that have delivered lower

capital intensity and stronger commercial and sustainability outcomes for other companies.

Next Steps and Outlook

The outcomes of the optimization program will guide Euro Manganese's next phase of development,

including any potential updates to technical studies.

The Company remains confident that its strategic focus on producing high-purity manganese feedstocks,

supported by continued engineering discipline and process improvements, positions it to capitalize on

the forecasted supply deficit and growing demand for manganese-rich battery materials. The Chvaletice

Project's fundamentals as a fully traceable, low-carbon, European source of high-purity manganese

remains robust.

About Euro Manganese

Euro Manganese Inc. (TSXV: EMN) (ASX: EMN) (FSE: E060) is a battery materials company

developing the Chvaletice Manganese Project in the Czech Republic, Europe's only near-term source of

high-purity manganese, a critical ingredient in next-generation electric vehicles, energy storage batteries

and defence applications.

The Chvaletice Manganese Project will reprocess historic mine tailings to produce high-purity electrolytic

manganese metal (HPEMM), and high-purity manganese sulphate monohydrate (HPMSM), establishing

a fully traceable, low-carbon supply chain within the European Union.

With its Demonstration Plant having produced on-spec products and optimization work underway to

enhance commercial plant efficiency, Euro Manganese is positioned to become Europe's first domestic

producer of high-purity manganese, meeting the rising demand for sustainable, strategic battery

materials while advancing Europe's clean-energy and supply-chain independence goals.

Euro Manganese is dual listed on the TSX-V and the ASX.

Authorized for release by the President and CEO of Euro Manganese Inc.

Neither TSX-V nor its Regulation Services Provider (as that term is defined in the policies of the TSX-V)

or the ASX accepts responsibility for the adequacy or accuracy of this release.

Enquiries

LodeRock Advisors

Neil Weber

Investor and Media Relations - North America

+1 (647) 222-0574

[email protected]

Jane Morgan Management

Jane Morgan

Investor and Media Relations - Australia

+61 (0) 405 555 618

[email protected]

Martina Blahova

President and CEO

+1 (604) 681-1010

Company Address

: #709 -700 West Pender St., Vancouver, British Columbia, Canada, V6C 1G8

Website

:

www.mn25.ca

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Forward-Looking Statements

Certain statements in this news release constitute "forward-looking statements" or "forward-looking

information" within the meaning of applicable securities laws. Such statements and information involve

known and unknown risks, uncertainties and other factors that may cause the actual results,

performance, or achievements of the Company, its Chvaletice Project, or industry results, to be

materially different from any future results, performance or achievements expressed or implied by such

forward-looking statements or information. Such statements can be identified by the use of words such

as "may", "would", "could", "will", "intend", "expect", "believe", "plan", "anticipate", "estimate",

"scheduled", "forecast", "predict" and other similar terminology, or state that certain actions, events or

results "may", "could", "would", "might" or "will" be taken, occur or be achieved.

Readers are cautioned not to place undue reliance on forward-looking information or statements.

Forward-looking statements are subject to a number of risks and uncertainties that may cause the actual

results of the Company to differ materially from those discussed in the forward-looking statements and,

even if such actual results are realized or substantially realized, there can be no assurance that they will

have the expected consequences to, or effects on, the Company.

Forward-looking statements include statements regarding the optimization program and ability to

strengthen economics or any other benefits including enhancing efficiency, reducing capital and

operating costs, that results of the optimization program will be similar to successful optimization

programs done for other companies, statements regarding increasing demand for manganese, the

Company's strategy for its Chvaletice Project, the Company's ability to supply to EV, energy-storage,

defence, and speciality-alloy sectors, and the Company's ability to navigate current market conditions.

All forward-looking statements are made based on the Company's current beliefs including various

assumptions made by the Company, including that the Chvaletice Project will be developed and operate

as planned, the optimization program will provide opportunities to increase efficiencies, the Company

will have sufficient financing, and that the Company will be able to meet the conditions of its secured

financing. Factors that could cause actual results or events to differ materially from current expectations

include, among other things: results from the optimization program that do not lead to efficiencies or

reductions in cost; insufficient working capital; inability to meet the conditions of its secured financing,

risks due to granting security, lack of availability of financing for developing and advancing the

Chvaletice Project; the potential for unknown or unexpected events to cause contractual conditions to not

be satisfied; developments in electric vehicle battery markets and chemistries; risks related to

fluctuations in currency exchange rates; and regulation and changes in laws by various governmental

agencies. For a further discussion of risks relevant to the Company, see "Risk Factors" in the

Company's annual information form for the year ended September 30, 2024, available on the

Company's SEDAR+ profile at

www.sedarplus.ca

.

Although the forward-looking statements contained in this news release are based upon what

management of the Company believes are reasonable assumptions, the Company cannot assure

investors that actual results will be consistent with these forward-looking statements. These forward-

looking statements are made as of the date of this news release and are expressly qualified in their

entirety by this cautionary statement. Subject to applicable securities laws, the Company does not

assume any obligation to update or revise the forward-looking statements contained herein to reflect

events or circumstances occurring after the date of this news release.

1

https://www.globalgrowthinsights.com/market-reports/manganese-market-113860

2

High-Purity Manganese Market Report (September 2025) prepared and paid for Euro Manganese Inc by Andrew Zemek, marketeye.org

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

https://www.newsfilecorp.com/release/271013