Spark Energy Minerals Advances Arapaima Project with Resumption of RC Drilling and Metallurgical Work

About this update from Spark Energy Minerals Inc

Vancouver, British Columbia--(Newsfile Corp. - March 25, 2026) - Spark Energy Minerals Inc. (CSE: SPRK) (OTC Pink: SPARF) (FSE: 8PC) ("Spark" or the "Company") is pleased to provide an operational update on exploration activities at its flagship Arapaima Project, located in Padre Paraíso, within Brazil's Lithium Valley. RC DRILLING PROGRAM - COMMENCEMENT AND SCOPE The Company has mobilized to resume its next Reverse Circulation ("RC") drilling program at the Arapaima Project. The program is designed to include a minimum of 20 drill holes totaling approximately 2,000 metres, with each hole planned to an average depth of 100 metres. Drill holes are expected to be spaced approximately 300 to 400 metres apart and will target three priority exploration areas across the property. Figure 1: Preliminary locations of planned RC boreholes for the approximately 2,000-metre drilling program. A total of 20 boreholes are planned, with an average depth of 100 metres, to support geochemical sampling and metallurgical test work focused on rare earth and gallium mineralization. To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/10093/289973_9414b7a984bfe9ed_001full.jpg The primary objectives of the drilling program are to define and expand the Company's understanding of ionic adsorption clay ("IAC") mineralization hosting Rare Earth Elements ("REE") and Gallium, and to unlock additional exploration targets to support the continued advancement of the Arapaima Project toward a potential maiden inferred mineral resource. This drilling program marks the beginning of an intensive exploration phase for Spark at Arapaima. The Company intends to provide regular updates as laboratory results are received from SGS Geosol. Initial assay results are expected following completion of drilling and laboratory processing, with subsequent results released as they become available, subject to laboratory turnaround times. Analytical results will enable the Company to evaluate anomalous concentrations of REE and gallium and to conduct a more detailed interpretation of the geochemical signature, mineralogy, and geological behavior of the mineralized system. METALLURGICAL TESTING - ANSTO LABORATORY In parallel with the RC drilling program, Spark is advancing the design of a metallurgical testin...

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