Rokmaster Drills Porphyry-Style Molybdenite Mineralization at the Wilson Target at Hanson

About this update from Rokmaster Resources Corp.

Vancouver, British Columbia--(Newsfile Corp. - June 30, 2026) - Rokmaster Resources Corp. (TSXV: RKR) (OTCQB: RKMSF) (FSE: 1RR1) ("Rokmaster" or "the Company") is pleased to announce results from diamond drilling on the Hanson Property completed in April 2026. The Hanson Property is a part of the Company's Nechako Project, which totals 28,238 hectares (282 km2) across four properties located in west-central British Columbia. The Nechako Project features multiple exploration targets for significant porphyry Cu-(Mo±Au) mineralization and high-grade Au-Ag vein systems in the southern portion of the productive Stikine terrane (Figure 1). A small inaugural drill program, totalling 393.0 m in two drillholes, tested the Wilson Target within the Hanson Property. This program represents essentially the first drill test of a strong and broad soil molybdenum anomaly and coincident IP anomaly initially detected by Endako Mines in 1973. Endako Mines did complete two shallow drillholes in 1978 after a five-year hiatus in exploration. Drillholes H9 and H10 were completed to depths of only 62.5 m and 37.8 m, respectively, and were directed away from the central high resistivity anomaly. (Figure 2). Field work completed in 2025 found that the Stern Creek granodiorite underlying the Wilson Zone hosts potassic secondary biotite alteration related to narrow mm-scale vein-hosted molybdenite mineralization on surface. An outcrop was found near the center of the Wilson Zone geochemical and geophysical anomaly, with brecciated clasts of Stern Creek granodiorite and porphyritic quartz monzonite, the primary target for this drill program. Drillhole H26-02 intersected intrusive breccia with meter-scale intervals of foliated granodiorite and non-foliated porphyritic quartz monzonite from top of the hole until a larger stock of quartz monzonite was encountered between 30.6 and 44.0 m. Below the lower contact of that unit, the remainder of the drillhole consisted of foliated granodiorite with varying degrees of chlorite alteration, persistent potassic alteration, and molybdenite mineralization hosted in quartz B-veins down to the end of the drillhole. Notable molybdenite mineralization in dense cm-scale quartz veins was intersected in drillhole H26-02 with an assay of 0.518% Mo (0.864% MoS2(1)) over 1.20 m (59.0-60.2 m). The surrounding interval near the lower contact of the quartz mo...

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