Manganese X Energy Announces Appointment of Desmond Tranquilla, P.Eng., as New Director

Rhea-AI Summary

Manganese X Energy (OTCQB: MNXXF) appointed Desmond Tranquilla, P.Eng. to its board effective October 29, 2025, subject to TSX Venture Exchange approval. Mr. Tranquilla brings 32 years of mining and project delivery experience and currently serves as Vice President, Projects at Canada Nickel Company.

His background includes leadership on large capital projects such as Vale's CAD$1.6B Atmospheric Emission Reduction Project and Detour Gold's CAD$1.5B Detour Lake Project. The company says his technical and operational expertise will support advancing the Battery Hill High-Purity Manganese Project toward completion of its Pre-Feasibility Study and strengthening North American EV battery supply chain positioning.

Positive

• 32 years of mining and project experience added to board
• Direct experience delivering CAD$1.6B and CAD$1.5B capital projects
• Expertise across full project lifecycle from scoping to operations
• Board addition timed to advance Battery Hill PFS progress

Negative

• Appointment is subject to TSX Venture Exchange approval
• Pre-Feasibility Study for Battery Hill is not yet complete

Montreal, Quebec--(Newsfile Corp. - October 30, 2025) - Manganese X Energy Corp. (TSXV: MN) (FSE: 9SC) (TRADEGATE: 9SC) (OTCQB: MNXXF) ("Manganese X" or the "Company") is pleased to announce the appointment of Desmond Tranquilla, P.Eng., to its Board of Directors, effective October 29, 2025.

Mr. Tranquilla, a native of New Brunswick and a graduate of the University of New Brunswick, is a seasoned mining executive with over 32 years of experience in project management, mine construction, operations, and strategic development. He has held senior leadership roles with major mining and engineering firms, including Canada Nickel Company Inc., SNC-Lavalin North America, Ausenco Canada, AMEC Americas, and Detour Gold Corporation.

Presently serving as Vice President, Projects for Canada Nickel Company, Mr. Tranquilla played a key role in advancing the Crawford Nickel Project. His career highlights include leadership in delivering major capital projects such as Vale's CAD$1.6B Atmospheric Emission Reduction Project, Detour Gold Corporation's CAD$1.5B Detour Lake Project, Potash Corporation of Saskatchewan's Cory Red Product Expansion and Piccadilly Mine Projects. He brings broad expertise across all stages of the project lifecycle — from early scoping and feasibility through design, construction, commissioning, and operations — across both greenfield and brownfield developments in North America.

Mr. Tranquilla's extensive technical and operational background will be invaluable as Manganese X advances its Battery Hill High-Purity Manganese Project toward completion of its Pre-Feasibility Study ("PFS") and continues to strengthen its position within the North American EV battery supply chain.

Martin Kepman, CEO of Manganese X, commented: "We're delighted to welcome Des to the Board at such an exciting stage in our journey. His proven record of delivering large-scale mining projects will be a tremendous asset as we move closer to establishing a robust North American supply chain for high-purity manganese."

The appointment of Desmond Tranquilla to the Board of Directors of the Company is subject to approval of the TSX Venture Exchange.

About Manganese X Energy Corp.

Manganese X's mission is to advance its Battery Hill project into production, thereby becoming the first public actively traded manganese mining company in Canada and US to commercialize EV compliant high purity manganese, potentially supplying the North American supply chain. The Company intends on supplying value-added materials to the lithium-ion battery and other alternative energy industries, as well as striving to achieve new carbon-friendly more efficient methodologies, while processing manganese at a lower competitive cost.

For more information visit the Company's website at www.manganesexenergycorp.com.

On behalf of the Board of Directors of
MANGANESE X ENERGY CORP.

Martin Kepman
CEO and Director
Email: martin@kepman.com
Tel: 1-514-802-1814

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward-Looking Statements:

This news release contains certain "forward-looking information" and "forward-looking statements" (collectively "forward-looking statements") within the meaning of applicable securities legislation. All statements, other than statements of historical fact, included herein, without limitation, statements relating to the future operations and activities of Manganese X, are forward-looking statements. Forward-looking statements in this news release relate to approval by the TSX Venture Exchange in connection with the appointment of Desmond Tranquilla to the Company's Board of Directors, the Company's advances towards completion of its PFS, and the Company's potential involvement in the North American supply chain of high-purity manganese. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Forward-looking statements reflect the beliefs, opinions and projections on the date the statements are made and are based upon a number of assumptions and estimates that, while considered reasonable by Manganese X, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements and the parties have made assumptions and estimates based on or related to many of these factors. These risks, as well as others, are disclosed within the Company's filings on SEDAR+ (www.sedarplus.ca), which investors are encouraged to review prior to any transaction involving the securities of the Company. Readers should not place undue reliance on the forward-looking statements. Manganese X does not assume any obligation to update the forward-looking statements if beliefs, opinions, projections, or other factors, should change, except as required by applicable securities laws.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/272427

FAQ

Who is Desmond Tranquilla and when did Manganese X (MNXXF) appoint him to the board?

Desmond Tranquilla, P.Eng., a mining executive with 32 years experience, was appointed effective October 29, 2025.

What roles and projects has Mr. Tranquilla led before joining Manganese X (MNXXF)?

He served as Vice President, Projects at Canada Nickel and led major projects including Vale's CAD$1.6B and Detour Gold's CAD$1.5B capital programs.

How will Desmond Tranquilla's appointment affect Manganese X (MNXXF) Battery Hill progress?

The company expects his technical and delivery experience to support advancing the Battery Hill PFS toward completion.

Is the appointment of Desmond Tranquilla to Manganese X (MNXXF) final?

No; the appointment is subject to approval by the TSX Venture Exchange.

What expertise does Mr. Tranquilla bring to Manganese X (MNXXF) related to EV supply chains?

He brings project delivery expertise across greenfield and brownfield developments relevant to building North American EV battery supply chains.

Does the announcement change the timeline or completion status of Battery Hill PFS for Manganese X (MNXXF)?

The announcement states the company is advancing the project toward completion of the PFS but does not provide a completion date.