Manganese X's High Purity Manganese Passes Phase 1 of US Battery Leader C4V Supply Chain Qualification Program

Montreal, June 6, 2024 - Manganese X Energy Corp. (TSXV: MN) (FSE: 9SC) (TRADEGATE: 9SC) (OTCQB: MNXXF) (the "Company" or "Manganese X") is pleased to report its High Purity Manganese (HPMSM) sample has met US Battery Leader C4V's Phase 1 commercial level qualification compliance standards for the Electric Vehicle (EV) Battery Cathode, and is moving immediately to the next round of rigorous testing in C4V's Supply Chain Qualification Program.

Manganese X CEO Martin Kepman commented, "Achieving this milestone brings us one step closer to becoming the first publicly traded mining company in Canada and the US to commercialize high-purity, EV-compliant manganese. We are excited to enter Phase 2 of testing with C4V, moving us closer to a potential offtake agreement. This partnership is truly synergistic. Manganese X is dedicated to qualifying our Battery Hill manganese to be a reliable, high-quality domestic supplier for C4V as they strengthen their supply chain through this comprehensive Qualification Program."

Manganese X's HPMSM Phase 1 testing was conducted in-house at lab scale through C4V's Digital DNA Supply Chain Qualification Program. The Supply Chain Qualification Program consists of three phases and is an important aspect of the non-binding Memorandum of Understanding the companies signed in early 2024, leading to a potential offtake deal from Manganese X's Battery Hill Manganese mining project in Woodstock, New Brunswick, Canada. Battery Hill contains one of the largest manganese carbonate deposits in Canada and the US.

To summarize the results of C4V's Phase 1 testing, Manganese X's sample demonstrated that electrodes could be calibrated and that while testing its rate, performance and capacities, these met the standards required. Capacities and performance of the sample also appeared stable during long cycling.

The next Phase to be conducted, Phase 2, will be to validate that Manganese X's sample meets standards for long cycling performance and capacity retention of the cells.

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. Manganese has recently been added to Quebec's list if "critical metals" owing to its significance in emerging battery technologies. The North American supply chain is presently dependent on overseas sources for Manganese. 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.

About C4V

C4V™ is a lithium-ion battery technology company possessing critical insight related to the optimum performance of lithium-ion batteries and Gigafactories. C4V's discoveries have been fruitful in vastly extending battery life, safety and charge performance, however more important is the Gigafactory offering that allows emerging countries to establish their own robust manufacturing ecosystem. C4V works with industry-leading raw material suppliers and equipment supply chain to bring to market fully optimized batteries possessing key economic advantages providing the ultimate "best in class" performance for various applications and end-to-end solutions to produce them on a Gigawatt hour scale. With its highly scalable business model C4V aims to achieve 100+GWh of cell production capacity globally by 2030.

For more information visit the 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 "forward-looking information" including statements with respect to the future exploration performance of the Company. This forward-looking information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements of the Company, expressed or implied by such forward-looking statements. These risks, as well as others, are disclosed within the Company's filing on SEDAR (www.sedarplus.ca), which investors are encouraged to review prior to any transaction involving the securities of the Company.

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