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

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.