Royal Road Minerals Identifies Broad Hydrothermal System and High-Grade Silver-Antimony Veins at the Margaritas Target, GAM Project; Colombia

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Toronto, Ontario--(Newsfile Corp. - June 9, 2026) - Royal Road Minerals Limited (TSXV: RYR) (OTCQB: RRDMF) ("Royal Road" or the "Company") is pleased to announce results from its first exploratory diamond drilling program at the Margaritas target, part of the Company's wholly owned Güíntar-Aleman-Margaritas ("GAM") gold-copper-silver project in Antioquia Province, Colombia (see Figure 1).Initial drilling at Margaritas comprised four scout diamond drill holes for a total of 1,154 meters and has identified a broad polymetallic hydrothermal system developed within altered volcanic and intrusive rocks. Mineralization occurs as hydrothermal breccias, stockwork vein systems, quartz-tourmaline breccias and sulphide-rich alteration zones carrying low-grade gold-silver mineralization with locally elevated copper values. These broader mineralized zones are crosscut and locally upgraded by later silver-antimony carbonate-base-metal ("CBM") veins and breccias, which have returned high-grade silver and significant antimony values over mineable widths (see Figures 2 and 3). Notable Drill ResultsSILVER-ANTIMONY CARBONATE-BASE-METAL (CBM) VEIN AND BRECCIA INTERSECTIONSMAR-DD-001From 155 to 158 meters: 3m at 204 g/t silver and 0.02% antimony (3.5 g/t gold equivalent1)MAR-DD-002From 177 to 181 meters: 4m at 651 g/t silver and 0.47% antimony  (11.3 g/t gold equivalent)MAR-DD-003From 102 to 112 meters: 10m at 50 g/t silver and 0.02% antimony  (1.3 g/t gold equivalent)MAR-DD-003 From 171 to 176 meters: 5m at 377 g/t silver and 0.28% antimony  (6.9 g/t gold equivalent)MAR-DD-004From 48 to 52 meters: 4m at 191 g/t silver and 0.03% antimony  (3.6 g/t gold equivalent) HYDROTHERMAL BRECCIA, STOCKWORK AND TOURMALINE BRECCIA INTERSECTIONSMAR-DD-004From 100 to 123 meters: 23m at 1.0 g/t gold equivalentMAR-DD-001From 65 to 76 meters: 11m at 0.9 g/t gold equivalentMAR-DD-002From surface to 36 meters: 36m at 0.5 g/t gold equivalent(Not true width and the Company does not have sufficient information to determine true widths of the drill hole intersections)System InterpretationDrill holes MAR-DD-003 and MAR-DD-004 returned 304 meters and 231 meters respectively at 0.3 g/t gold equivalent from surface to end-of-hole. While these intervals are not considered economically significant, they highlight the scale of hydrothermal alteration and mineralization encountered ...

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