Montreal, Quebec--(Newsfile Corp. - 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 publicly-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.

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 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

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