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Manganese X Energy Announces Appointment of Andrew Gainsbury as Chief Financial Officer and the Passing of Director JAY Richardson

Management Changes

MANGANESE X ENERGY ANNOUNCES APPOINTMENT OF ANDREW GAINSBURY AS

CHIEF FINANCIAL OFFICER AND THE PASSING OF DIRECTOR JAY RICHARDSON

Montreal, Quebec – July 30, 2026 – Manganese X Energy Corp. (TSXV: MN) (FSE: 9SC)

(TRADEGATE: 9SC) (OTCQB: MNXXF) (“ Manganese X ” or the “ Company”) is pleased to

announce, subject to the approval of the TSX Venture Exchange, the appointment of Andrew

Gainsbury as Chief Financial Officer of the Company effective July 28, 2026.

Mr. Gainsbury has served as the Company's interim Chief Financial Officer since March 1, 2026 .

His appointment formalizes his continued service in the role on a permanent basis . Prior to

assuming that role, Mr. Gainsbury served as the Company's Controller. He has over 16 years of

experience in financial management and consulting in both Canada and Brazil. His most recent

experience includes serving as Controller for several public ly-listed Canadian junior mining

companies. Previously, he was Chief Financial Officer of a Brazilian engineering firm with over

800 employees, as well as a senior consultant leading corporate finance projects across multiple

industries for Deloitte in Brazil. He specializes in strategic management, mergers and acquisitions,

fundraising, as well as corporate restructuring. He holds an MBA from McGill University and has

earned his CFA and CMA designations.

Passing of Director James (Jay) Richardson

The Company announces with great sadness the recent passing of James “Jay” Richardson,

Director of the Company since May 13, 2020. Mr. Richardson also served as the Company's Chief

Financial Officer from September 21, 2020 until March 1, 2026, when Mr. Gainsbury was

appointed interim Chief Financial Officer following the onset of Mr. Richardson's illness. The Board

and management of the Company extend their deepest condolences to Mr. Richardson's family,

friends, and colleagues. Mr. Richardson will be remembered fondly by all who had the privilege of

working with him, and his years of contribution and guidance to the Company are gratefully

acknowledged.

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 to supply 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 website at www.manganesexenergycorp.com.

On behalf of the Board of Directors of

MANGANESE X ENERGY CORP.

Martin Kepman

CEO and Director

Email: [email protected]

Tel: 1-514-802-1814

Neither the 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 statements regarding:

statements regarding the anticipated impact of the appointment of the Company’s new executive

officer. 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 a re 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