Kingman Minerals Phase III Drilling Defines Broad Hydrothermal Alteration and Refines Deeper Targeting Model at Mohave Project

About this update from Kingman Minerals Ltd.

Vancouver, British Columbia--(Newsfile Corp. - May 27, 2026) - Kingman Minerals Ltd. (TSXV: KGS) (OTCQB: KGSSF) (FSE: 47A1) ("Kingman" or the "Company") is pleased to announce that it has completed drilling and received final assay results from the eight-hole Phase III core drilling program at its flagship Mohave Project in Mohave County, Arizona. The Phase III program was completed in the Rosebud Mine area and surrounding Southwick vein corridor. Eight holes were drilled from four drill pads, with two holes drilled from each pad at different dips, as shown in Figure 1. The Phase III program did not demonstrate economic-grade continuity at the depths tested. However, it generated significant new geological, structural and assay information that is now being integrated with historical drilling, underground sampling and recent drone magnetic data to refine the Company's understanding of the broader Rosebud hydrothermal system and future drill targeting. Figure 1 - Phase III drill-hole locations. Pink lines are interpreted surface traces of the Southwick veins. Blue, red and green lines represent the three levels of the historic Rosebud Mine. To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/9368/299001_d95efeddd46a8b64_001full.jpg Geological Context and Structural Interpretation Previous drilling near the Rosebud Mine in Phases I and II, together with underground sampling by Burgex Mining Consultants, identified high-grade gold mineralization in portions of the Southwick vein system near the historic workings. Those higher-grade intercepts were narrow. New information generated by the drone magnetometer survey and interpreted by Fathom Geophysics identified a major northeast-southwest fault, referred to by the Company as the Rosebud South fault, which transects the area south of the Rosebud Mine. The Phase III drilling intersected vein-related alteration and structural zones interpreted to be associated with the Southwick system, both in expected positions and in several previously unanticipated positions. The alteration and structural continuity observed across multiple drill holes support the interpretation of a broader hydrothermal system than is reflected by the historic workings alone. However, the Phase III drilling has not yet demonstrated continuity of economic-grade mineralizatio...

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