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RESOLUTION MINERALS LTD Capital/Financing Update 2025

Sep 14, 2025

65717_rns_2025-09-14_7b12be7c-17d5-420c-8ea3-521472f118d1.pdf

Capital/Financing Update

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15 September 2025

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EXCEPTIONAL ROCKCHIP AND SOIL RESULTS RECEIVED FOR ANTIMONY RIDGE, HORSE HEAVEN GOLD-ANTIMONYSILVER-TUNGSTEN PROJECT, IDAHO, USA

Very high-grade antimony (Sb) and silver (Ag) and strong gold (Au) assay results received as part of recently completed surface rockchip and soil sampling program at Antimony Ridge.

Peak rockchip results include grab sample 730253: 49.8% Sb, 1,420 g/t Ag and 3.12 g/t Au (the highest grades recorded at Horse Heaven to date) and grab sample 730255: 10.35% Sb, 68.5 g/t Ag and 4.43 g/t Au.

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10cm
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Peak soil results include Sample 931406: 0.5% Sb; and Sample 931242: 0.9g/t Au and 68g/t Ag.

These results support historical sampling which had delineated broad antimonygold-silver mineralisation over significant widths at Antimony Ridge.

The Horse Heaven Project is directly adjacent to the Perpetua Resources’ large Stibnite Gold Project.

Highlights

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  • Rock samples comprising massive stibnite (an antimony sulphide mineral) were collected from a historical antimony mine located at the Antimony Ridge Target as part of a comprehensive historical data verification program. Subsequent assay results have returned grades of 49.8% Sb, 1,420g/t Ag and 3.12g/t Au .

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  • Soil sampling at Antimony Ridge helps define a NE-SW trending zone of Sb-Ag-Au mineralisation 1,000m x 700m, with assay results up to 0.5% Sb , 0.9g/t Au and 68g/t Ag from an area southwest of prior sampling.

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  • The Antimony Ridge mineralised footprint is materially larger than previously known as a result of the soil Sb-Ag-Au results.

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  • Possible additional parallel Sb-Ag-Au zones of mineralisation are also indicated by the soil Sb-Ag-Au results.

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  • Prior trench rockchip results, up to 5.9g/t Au, 19% Sb and 367g/t Ag are located centrally within this expanded NE-SW trending zone of Sb-Ag-Au mineralisation.

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  • Sb-Au-Ag mineralisation is exposed at surface along 500 metres of historical trenching where production of high-grade Antimony from small open pits was recorded during the periods of WWII, and into the early 1950s.

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  • Historical drilling at Antimony Ridge is reported to have intersected significant Au mineralisation, including 1.0 g/t Au over 36.8m in GGR-12 and 0.79 g/t Au over 19.8m in GGR-16, but drillholes were not assayed for Sb and only partially assayed for Ag.

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  • Follow-up work will include further rockchip sampling, mapping and bulk sampling at Antimony Ridge, that will help refine drill targets for a later planned drill program.

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  • Resolution is collecting representative samples of antimony from stibnite-silica vein exposures at Antimony Ridge to conduct preliminary metallurgical test work.

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  • Resolution is pleased to report that it has now completed 6 core drill holes at the ongoing Phase 1 drill program at the Golden Gate target, totalling 4,967 feet (1,513 meters) of drilling. The Company is currently drilling its 7th hole, and the program is proceeding at a good pace. Further, the first two holes have been logged, split and submitted to ALS for assaying. Initial results will be released when available.

Details

Resolution Minerals Ltd (“ RML ” or the “Company”) (ASX: RML; OTCQB: RLMLF) is pleased to report exceptional rockchip and soil sampling results from the Antimony Ridge Target (“Antimony Ridge”) within the Horse Heaven Gold-Antimony-Tungsten Project in Idaho USA (“Horse Heaven”) (Figure1).

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Figure 1 : Horse Heaven Project location plan, highlighting the location of the two current major antimony-gold-silvertungsten targets, the Golden Gate Target and the Antimony Ridge Target. Also highlighted is the Stibnite Gold Antimony Project, which is only 6kms east of Horse Heaven. Note: Coordinates are UTM metres north and east metric system, not latitude/longitude.

The Company is conducting an extensive surface sampling program at the Antimony Ridge and Golden Gate targets. The intention is to define a possible Sb-Au-Ag JORC compliant Exploration Target. Intrinsic in this program is the verification of past exploration results and past production data from both target areas.

The current results greatly enhance the prospectivity of Antimony Ridge, illustrating the potential of very high-grade mineralisation over an expanded mineralised footprint. It has become a large

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and consistently mineralised area of Sb, Au and Ag, which expands the target area within the Horse Heaven Antimony-Tungsten-Gold Project located in Idaho, U.S. (Figure 1).

Rockchip Sampling Program at Antimony Ridge

A significant rockchip sampling program was conducted across the Horse Heaven Project area. As part of this program, seven samples were taken from Antimony Ridge (Appendix A).

Two rockchip samples, 730253 and 730255, were taken from a pile of ore material, found adjacent to an abandoned and overgrown mine (believed operational circa 1950s-1980s). Visual mineralisation is the antimony sulphide mineral, stibnite. The stibnite is described as massive, and the estimated percentage of stibnite of the rock specimens is between 75% to 90%.

Subsequent assay results of these two samples report exceptionally high grades of Sb and Ag, and strong grades of gold.

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Grab sample 730253: 49.8% Sb and 1,420 g/t Ag and 3.12 g/t Au ; and

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Grab sample 730255: 10.35% Sb, 68.5 g/t Ag and 4.43 g/t Au .

The purpose of sampling stibnite ore material is to obtain an understanding of grades of antimony mineralisation considered historically to be of economic importance. This is important for the integration of historical production data into a possible future JORC-compliant Exploration Target and/or Resource figure. Knowledge of the Antimony Ridge ore material (grade and characteristics) is also extremely useful in interpreting current and future exploration results.

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10cm
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Figure 2 : A rock sample collected from a historical mine located at the Antimony Ridge Target. Refer to Appendix B for sample locations. The photo shows a single rock specimen comprising the grey-silver coloured metallic mineral stibnite. Stibnite is an antimony sulphide ore mineral, containing 71.7% mol weight antimony. The stibnite in this rock specimen is massive, containing between 75% and 90% stibnite. Coarse to very fine stibnite crystals are visible which form an interwoven mass. Visual estimates also potentially provide no information regarding impurities or deleterious physical properties relevant to valuations. Samples similar to this photographed rock specimen have now been assayed. As reported in this announcement the results are as follows: 730253: 49.8% Sb and 1,420 g/t Ag and 3.12 g/t Au.

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Soil Sampling Program at Antimony Ridge

A soil sampling program (“Soil Program”) conducted across Antimony Ridge was recently completed. The Soil Program comprised 210 samples collected on a NE-SW orientated grid with a 100m line spacing and a 25m sample spacing (Appendix B). Assay results for Au, Ag, Sb and tungsten (W) are presented in Appendix C.

Sb, Au and Ag heat maps show geochemical anomalies representing a series of mineralised NESW zones that parallel/sub-parallel the main trend of mineralised en echelon structures that traverse the Antimony Ridge Target area (Figures 3A and 3B, and Appendix B). These repeated (or “stacked”) NE-SW Sb-Ag-Au mineralised zones form a broad corridor of mineralisation approximately 1,000m long and 700m wide. Several of these mineralised zones appear to be fault offset (Appendix B).

Importantly, this broad mineralised corridor (as defined by soil geochemistry) represents a materially larger mineralised footprint than previously known. Furthermore, this broad mineralised corridor is open-ended along strike in both directions and possible additional parallel NE-SW zones also possible.

Past Channel Rockchip Exploration at Antimony Ridge

The soil results detailed in this announcement are put into context of the previous exploration results of Antimony Ridge.

Past trench rockchip sampling programs from the Lower Trench, Bowl Cut, Ridgetop and East Trench at Antimony Ridge identify significant Sb, Ag and Au mineralisation (RML ASX release “Agreement to Acquire Major US Antimony Project and Placement” on 11 June 2025) (Table 2, Figures 3 and 4) at Antimony Ridge. Of the sixty-one rockchip samples (channel and grab), collected in the 2022-23 program, more than 60% returned results greater than 1g/t Au, with peak values of 5.9g/t Au , 19% Sb and 367g/t Ag .

As reported in the 11 June 2025 ASX announcement, mineralisation is hosted in veins and narrow breccias within an altered granodiorite which trend NE-SW.

The recently generated NE-SW trending soil Sb-Ag-Au anomalies, described above, are entirely consistent with the spatial configuration of known Sb-Ag-Au mineralisation exposed in the Lower Trench, Bowl Cut, Ridgetop and East Trench. The six soil anomalies are parallel to veins and breccias of the trenches. This strongly indicates the presence of additional mineralised veins and breccias beyond those exposed in trenches and past mine workings. It is concluded that a much larger system of mineralised veins and breccias are inferred by the soil anomalism.

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Table 2 : Average Au, Ag and Sb grades of rockchip sampling from the Ridgetop Trench, Lower Trench, Bowl Cut and East Trench (Figure 3 and Figure 4).

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Figure 3a: Antimony results of rockchip sampling at Antimony Ridge (RML ASX release 11 June 2025) together with two high grade rockchip sample results from this announcement.

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Figure 3b: Gold results of rockchip sampling at Antimony Ridge (RML ASX release 11 June 2025).

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Figure 4: Landscape panorama photo of the Ridgetop trench. The rockchip channel sample locations are graphically illustrated in the photo with sample numbers (Refer RML Release 11 June 2025). The two figures below each colour bar are the gold (top) and antimony (bottom) grades as ppm and % respectively.

Significant past (and previously reported) rockchip channel samples from Antimony Ridge include:

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  • Rockchip sample 329003 with 3.68g/t gold, 303g/t silver and 2.72% antimony over 4m. Rockchip sample 329014 with 1.33g/t gold, 367g/t silver and 13.75% antimony over 1m.

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  • Rockchip sample 329015 with 4.65g/t gold, 70.5g/t silver and 19.15% antimony over 1m. Rockchip sample 329085 with 3.21g/t gold, 178g/t silver and 0.37% antimony over 3m. Rockchip sample 329089 with 5.99g/t gold, 246g/t silver and 0.71% antimony over 1m.

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RML’s CEO of U.S. Operations, Craig Lindsay, commented :

We are very encouraged with the recent sampling program results from Antimony Ridge, which indicate that the mineralised target is larger than initially thought. As we expand outwards from the immediate area of the historic workings, we look to expand the target even further. Indeed, Horse Heaven is revealing itself to be a much larger opportunity as we conduct modern multi-disciplined exploration across the project area. It’s potential as a very significant antimony, gold, silver and tungsten project is crystalising .”

RML’s Senior Strategic Advisor, Steve Promnitz, commented :

“Not all Antimony is equal. High grades around 50% Sb are truly rare - and usually reflect crystalline antimony, potentially available for direct shipping ore as an oxide. This is because high grade antimony requires limited processing - and is therefore sought after.”

Expanded Mineralised Target in Soil Sampling - Antimony Ridge Target

The Antimony Ridge soil sample program results for antimony, gold and silver has significantly expanded the target area to over 1,000m x 700m, open-ended in all directions, within the Horse Heaven Gold-Antimony-Tungsten Project (Figure 1, Appendix B).

Soil geochemistry now delineates mineralisation beyond past producing antimony workings, particularly NE of the historic Antimony Ridge trench. This strongly supports the increased

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prospectivity and mineralised footprint of Antimony Ridge and, more broadly, the Project’s potential to host significant antimony-gold-silver-tungsten mineralisation.

Bulk Sample Testing of Antimony Workings - Antimony Ridge Target – Horse Heaven

The Company is currently collecting representative samples of stibnite-silica vein mineralisation from exposures at Antimony Ridge. These samples will be used to conduct initial metallurgical test work and mineralisation characterisation studies.

Next Steps

The encouraging soil sampling and mapping at Antimony Ridge will lead to further rockchip sampling, planned bulk sampling and a drill program.

A thorough analysis of the rockchip results for Antimony Ridge and Golden Gate is ongoing. When the program is fully completed and assay results available, results will be released.

The Company is currently conducting a project-wide stream sediment program. When the program is completed and assay results available, results will be released.

In addition to the permitted and ongoing drilling at the Golden Gate target area, Resolution plans to apply for a permit to undertake Phase 1 drilling at Antimony Ridge.

Authorised for release by the board of Resolution Minerals Ltd.

For further information, please contact Aharon Zaetz Executive Director.

Aharon Zaetz Jane Morgan Executive Director Investor Relations Resolution Minerals Ltd Jane Morgan Management M: +61 424 743 098 M: +61 405 555 618 [email protected] [email protected]

Follow us:

Website: www.resolutionminerals.com LinkedIn: @Resolution Minerals

X: @Resolution_LTD

Competent Person’s Statement

The information in this report that relates to exploration results, is based on and fairly represents information reviewed and compiled by Mr Ross Brown BSc (Hons), M AusIMM, Principal Geologist/director of exploration consulting firm, Riviere Minerals Pty. Ltd, who is a Member of the Australasian Institute of Mining and Metallurgy. Mr Brown has sufficient experience, which is relevant to the exploration activities, style of mineralisation and types of deposits under consideration, and to the activity which has been undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves”. Riviere Minerals is consulting to Resolutions Minerals Limited and consents to the inclusion in this announcement of the matters based on their information in the form and context in which it appears.

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About Rivere Minerals

Riviere Minerals Pty Ltd (“ Riviere ”) is a resource consultancy specialising in project evaluation and portfolio management. Its principal geologist and sole director, Mr Ross Brown, has nearly 40 years of experience in mineral exploration worldwide. Through Riviere, Mr Brown also provides assistance in exploration planning, execution and ASX reporting.

Forward Looking Statements

This announcement may contain forward-looking statements. These statements relate to the Company’s expectations, beliefs, intentions or strategies regarding the future. These statements can be identified by the use of words like “anticipate”, “believe”, “intend”, “estimate”, “expect”, “may”, “plan”, “project”, “will”, “should”, “seek” and similar words or expressions containing same. These forward-looking statements reflect the Company’s views and assumptions with respect to future events as of the date of this release and are subject to a variety of unpredictable risks, uncertainties, and other unknowns. Actual and future results and trends could differ materially from those set forth in such statements due to various factors, many of which are beyond our ability to control or predict. These include, but are not limited to, risks or uncertainties associated with the acquisition and divestment of projects, joint venture and other contractual risks, metal prices, exploration, development and operating risks, competition, production risks, sovereign risks, regulatory risks including environmental regulation and liability and potential title disputes, availability and terms of capital and general economic and business conditions.

Given these uncertainties, no one should place undue reliance on any forward-looking statements attributable to the Company, or any of its affiliates or persons acting on its behalf. Subject to any continuing obligations under applicable law, the Company disclaims any obligation or undertaking to disseminate any updates or revisions to any forward-looking statements in this announcement to reflect any change in expectations in relation to any forward-looking statements or any change in events, conditions or circumstances on which any such statement is based.

The Company confirms it is not aware of any new information or data that materially affects the information cross referenced in this announcement and further to “Agreement to Acquire Major US Antimony Project and Placement” on 11 June 2025. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original announcements.

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Appendix A: Rockchip Assay Results

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SampleID Sampler Date Sampled Datum Grid Zone Easting Northing Elevation_m Au_ppm Ag_ppm Sb_ppm W_ppm Ag_ppm Ag_ppm Sb_%
730249 AAR 7/15/2025 NAD83 UTM 11T 621749 4976648 2261.585366 0.008 1 11 <10
730250 AAR 7/15/2025 NAD83 UTM 11T 621757 4976626 2265.54878 0.017 <0.5 18 160
730251 AAR 7/15/2025 NAD83 UTM 11T 621837 4976544 2218.292683 0.005 0.6 <5 10
730252 AAR 7/15/2025 NAD83 UTM 11T 621837 4976544 2218.292683 <0.005 <0.5 <5 <10
730253 B/S 7/21/2025 NAD83 UTM 11T 621279 4976686 2128 3.12 >100 >10000 <10 >1500 1420 49.8
730254 B/S 7/24/2025 NAD83 UTM 11T 621888 4976673 2219 0.007 3.2 963 <10
730255 B/S 7/25/2025 NAD83 UTM 11T 621106 4976479 2065 4.43 68.5 >10000 <10 10.35
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Appendix B: Soil Sample Plans: Antimony Heat Map with location of rockchip samples 730253 and 730255.

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Rockchip sample 730253
Rockchip sample 730255
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Appendix B: Soil Sample Plans: Silver Heat Map with location of rockchip samples 730253 and 730255.

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Rockchip sample 730253
Rockchip sample 730255
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Appendix B: Soil Sample Plans: Gold Heat Map with location of rockchip samples 730253 and 730255.

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Rockchip sample 730253
Rockchip sample 730255
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Appendix C: Soil Sample Assay Results

**SampleID ** **Datum ** **Grid ** **Zone ** Easting **Northing ** **Elevation_m ** **Au_ppm ** **Ag_ppm ** Sb_ppm W_ppm
931201 NAD83 UTM 11T 621879 4976454 2237 <0.005 <0.5 <5 <10
931202 NAD83 UTM 11T 621862 4976480 2246 <0.005 <0.5 <5 10
931203 NAD83 UTM 11T 621845 4976506 2254 <0.005 <0.5 <5 <10
931204 NAD83 UTM 11T 621829 4976529 2258 <0.005 <0.5 <5 <10
931205 NAD83 UTM 11T 621814 4976560 2255 <0.005 <0.5 5 10
931206 NAD83 UTM 11T 621799 4976585 2249 0.021 1.3 24 <10
931207 NAD83 UTM 11T 621779 4976608 2242 0.012 0.5 15 <10
931208 NAD83 UTM 11T 621769 4976636 2239 <0.005 0.5 19 10
931209 NAD83 UTM 11T 621752 4976661 2238 <0.005 0.6 9 10
931210 NAD83 UTM 11T 621739 4976688 2235 0.007 0.6 47 <10
931211 NAD83 UTM 11T 620801 4976583 2234 0.006 0.9 37 10
931212 NAD83 UTM 11T 620819 4976558 2233 0.007 0.6 81 10
931213 NAD83 UTM 11T 620833 4976536 2235 0.005 0.5 78 <10
931214 NAD83 UTM 11T 620693 4976772 1858 0.046 0.5 41 20
931215 NAD83 UTM 11T 620704 4976745 1864 0.039 0.5 42 10
931216 NAD83 UTM 11T 620724 4976717 1880 0.011 3.1 25 10
931217 NAD83 UTM 11T 620740 4976694 1888 0.044 0.5 30 10
931218 NAD83 UTM 11T 620756 4976667 1884 0.005 <0.5 19 10
931219 NAD83 UTM 11T 620769 4976643 1890 0.005 0.7 28 10
931220 NAD83 UTM 11T 620787 4976615 1906 0.009 0.8 50 10
931221 NAD83 UTM 11T 620847 4976508 1941 0.02 1.5 203 <10
931222 NAD83 UTM 11T 620866 4976478 1942 0.012 1 193 10
931223 NAD83 UTM 11T 620882 4976457 1938 0.052 1.4 265 <10
931224 NAD83 UTM 11T <0.005 <0.5 <5 <10
931225 NAD83 UTM 11T 620891 4976439 1942 0.016 1 84 10
931226 NAD83 UTM 11T 620913 4976407 1943 0.014 1 176 10
931227 NAD83 UTM 11T 620932 4976385 1946 0.021 2.3 145 10
931228 NAD83 UTM 11T 620943 4976353 1944 0.023 0.9 154 10
931229 NAD83 UTM 11T 620961 4976335 1943 0.008 0.8 40 <10
931230 NAD83 UTM 11T 620975 4976304 1936 0.007 5 71 10
931231 NAD83 UTM 11T 620975 4976304 1936 0.008 2.3 64 <10
931232 NAD83 UTM 11T 620991 4976274 1935 0.019 0.7 145 <10
931233 NAD83 UTM 11T 621007 4976250 1967 0.013 <0.5 105 <10
931234 NAD83 UTM 11T 621021 4976225 1969 0.014 <0.5 63 <10
931235 NAD83 UTM 11T 621038 4976197 1936 0.032 <0.5 155 <10
931236 NAD83 UTM 11T 621053 4976173 1940 0.018 <0.5 59 <10
931237 NAD83 UTM 11T 621069 4976146 1936 0.015 <0.5 51 <10
931238 NAD83 UTM 11T 621130 4976749 1937 0.05 2.2 747 10
931239 NAD83 UTM 11T 621141 4976730 1936 0.024 1.2 367 10
931240 NAD83 UTM 11T 621161 4976700 1936 0.037 0.7 446 10
931241 NAD83 UTM 11T <0.005 <0.5 <5 <10
931242 NAD83 UTM 11T 621175 4976671 1940 0.933 68.8 3510 <10
931243 NAD83 UTM 11T 621196 4976647 1939 0.559 18.6 1485 <10
931244 NAD83 UTM 11T 621217 4976611 1969 0.611 25.3 2070 <10

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Appendix C: Soil Sample Assay Results

**SampleID ** **Datum ** **Grid ** **Zone ** Easting **Northing ** **Elevation_m ** **Au_ppm ** **Ag_ppm ** Sb_ppm W_ppm
931245 NAD83 UTM 11T 621225 4976590 1936 0.019 <0.5 96 <10
931246 NAD83 UTM 11T 621240 4976569 1935 0.052 <0.5 169 10
931247 NAD83 UTM 11T 621257 4976544 1967 0.015 <0.5 141 <10
931248 NAD83 UTM 11T 621272 4976518 1969 0.03 0.5 124 10
931249 NAD83 UTM 11T 621287 4976489 1948 0.053 <0.5 57 10
931250 NAD83 UTM 11T 621465 4976205 2074 0.019 <0.5 <5 <10
931251 NAD83 UTM 11T 621443 4976222 2084 0.013 <0.5 7 <10
931252 NAD83 UTM 11T 621430 4976249 2090 0.005 <0.5 8 <10
931253 NAD83 UTM 11T 621416 4976274 2093 0.011 <0.5 11 <10
931254 NAD83 UTM 11T 621000 4976951 1992 0.019 <0.5 147 <10
931255 NAD83 UTM 11T 621024 4976934 2003 0.014 <0.5 111 <10
931256 NAD83 UTM 11T 621037 4976908 2002 0.02 <0.5 135 <10
931257 NAD83 UTM 11T 621055 4976881 2009 0.019 <0.5 231 <10
931258 NAD83 UTM 11T 621069 4976855 2014 0.039 <0.5 258 <10
931259 NAD83 UTM 11T 621084 4976828 2004 0.019 0.5 214 <10
931260 NAD83 UTM 11T 621103 4976802 2020 0.048 1.4 524 <10
931261 NAD83 UTM 11T 621115 4976778 2033 0.031 2.2 710 10
931262 NAD83 UTM 11T 621405 4976305 2090 0.005 <0.5 5 <10
931263 NAD83 UTM 11T 621387 4976334 2089 <0.005 <0.5 12 <10
931264 NAD83 UTM 11T 621369 4976358 2096 <0.005 <0.5 12 <10
931265 NAD83 UTM 11T 621352 4976381 2098 0.027 <0.5 29 <10
931266 NAD83 UTM 11T 621340 4976407 2104 0.047 <0.5 40 10
931267 NAD83 UTM 11T 621317 4976427 2104 0.04 <0.5 113 <10
931268 NAD83 UTM 11T 621303 4976467 2114 0.029 0.5 60 10
931269 <0.005 <0.5 <5 <10
931270 NAD83 UTM 11T 621722 4976718 2235 0.014 1.1 17 10
931271 NAD83 UTM 11T 621708 4976741 2237 0.011 1.1 71 10
931272 NAD83 UTM 11T 621692 4976767 2238 0.064 1.1 269 <10
931273 NAD83 UTM 11T 621673 4976795 2240 0.094 0.7 644 10
931274 NAD83 UTM 11T 621658 4976820 2250 0.081 1.2 295 10
931275 NAD83 UTM 11T 621642 4976847 2254 0.055 <0.5 266 <10
931276 NAD83 UTM 11T 621589 4976931 2247 0.01 0.6 67 <10
931277 NAD83 UTM 11T 621582 4976955 2248 0.017 <0.5 55 10
931278 NAD83 UTM 11T 621566 4976977 2250 0.019 <0.5 68 <10
931279 NAD83 UTM 11T 621549 4977004 2242 <0.005 0.7 42 10
931280 NAD83 UTM 11T 621532 4977030 2246 <0.005 <0.5 17 <10
931281 NAD83 UTM 11T 621517 4977054 2243 <0.005 <0.5 14 <10
931282 NAD83 UTM 11T 621501 4977081 2242 <0.005 <0.5 12 <10
931283 NAD83 UTM 11T 621487 4977105 2239 <0.005 <0.5 14 <10
931284 NAD83 UTM 11T 621470 4977133 2233 <0.005 <0.5 19 10
931285 NAD83 UTM 11T 621455 4977166 2224 <0.005 <0.5 13 <10
931286 NAD83 UTM 11T 621439 4977184 2216 <0.005 <0.5 7 <10
931287 NAD83 UTM 11T 621423 4977208 2210 <0.005 <0.5 10 <10
931288 <0.005 <0.5 <5 <10

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Appendix C: Soil Sample Assay Results

**SampleID ** **Datum ** **Grid ** **Zone ** Easting **Northing ** **Elevation_m ** **Au_ppm ** **Ag_ppm ** Sb_ppm W_ppm
931289 NAD83 UTM 11T 620889 4976678 1911 0.009 <0.5 87 10
931290 NAD83 UTM 11T 620908 4976652 1976 0.029 1.5 74 10
931291 NAD83 UTM 11T 620922 4976627 1981 0.007 0.6 76 <10
931292 NAD83 UTM 11T 620938 4976600 1989 0.046 0.5 46 <10
931293 NAD83 UTM 11T 620954 4976578 1993 0.122 1.6 601 10
931294 NAD83 UTM 11T 621259 4976082 1965 0.05 <0.5 18 <10
931295 NAD83 UTM 11T 621238 4976097 1964 0.01 <0.5 112 <10
931296 NAD83 UTM 11T 621224 4976122 1971 0.013 0.7 29 10
931297 NAD83 UTM 11T 621224 4976122 1971 0.017 0.5 43 10
931298 NAD83 UTM 11T 621209 4976155 1970 0.01 <0.5 40 <10
931299 NAD83 UTM 11T 621198 4976183 1965 0.016 <0.5 23 <10
931300 NAD83 UTM 11T 621178 4976197 1969 0.024 <0.5 39 <10
931301 NAD83 UTM 11T 621152 4976236 1974 0.025 <0.5 70 <10
931302 NAD83 UTM 11T 621144 4976255 1979 0.047 <0.5 95 <10
931303 NAD83 UTM 11T 621119 4976287 1984 0.015 <0.5 85 <10
931304 NAD83 UTM 11T 621108 4976314 1990 0.022 <0.5 108 <10
931305 NAD83 UTM 11T 621095 4976332 1994 0.014 <0.5 129 <10
931306 NAD83 UTM 11T 621079 4976368 2004 0.022 <0.5 170 <10
931307 NAD83 UTM 11T 621063 4976381 2008 0.03 0.9 309 10
931308 NAD83 UTM 11T 621045 4976415 2003 0.04 <0.5 82 <10
931309 NAD83 UTM 11T 621035 4976447 2010 0.151 1.2 215 <10
931310 NAD83 UTM 11T 621023 4976462 2004 0.119 1.4 543 <10
931311 NAD83 UTM 11T 621003 4976486 2000 0.021 0.6 85 <10
931312 NAD83 UTM 11T 620989 4976518 2000 0.027 1.3 340 <10
931313 NAD83 UTM 11T 620966 4976542 2000 0.014 0.8 226 <10
931314 NAD83 UTM 11T 621314 4976711 2149 0.221 1.2 492 <10
931315 NAD83 UTM 11T 621327 4976688 2180 0.039 0.5 252 <10
931316 NAD83 UTM 11T 621333 4976661 2179 0.02 <0.5 507 <10
931317 NAD83 UTM 11T 621570 4976270 2139 <0.005 <0.5 <5 <10
931318 <0.005 <0.5 <5 <10
931319 NAD83 UTM 11T 621563 4976288 2154 0.009 <0.5 6 <10
931320 NAD83 UTM 11T 621533 4976316 2159 0.016 <0.5 7 <10
931321 NAD83 UTM 11T 621518 4976340 2162 0.03 <0.5 20 <10
931322 NAD83 UTM 11T 621499 4976370 2173 <0.005 <0.5 11 <10
931323 NAD83 UTM 11T 621487 4976396 2176 <0.005 <0.5 13 <10
931324 NAD83 UTM 11T 621468 4976424 2176 0.014 <0.5 39 <10
931325 NAD83 UTM 11T 621456 4976443 2178 0.014 <0.5 17 <10
931326 NAD83 UTM 11T 621434 4976470 2183 0.045 0.5 60 <10
931327 NAD83 UTM 11T 621420 4976494 2183 0.006 <0.5 19 <10
931328 NAD83 UTM 11T 621407 4976520 2151 0.021 1 41 10
931329 NAD83 UTM 11T 621393 4976552 2184 0.069 <0.5 38 <10
931330 NAD83 UTM 11T 621376 4976573 2176 0.037 <0.5 51 <10
931331 NAD83 UTM 11T 621358 4976605 2175 0.01 <0.5 35 <10
931332 NAD83 UTM 11T 621348 4976633 2175 0.028 <0.5 40 <10

15

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Appendix C: Soil Sample Assay Results

**SampleID ** **Datum ** **Grid ** **Zone ** Easting **Northing ** **Elevation_m ** **Au_ppm ** **Ag_ppm ** Sb_ppm W_ppm
931333 NAD83 UTM 11T 621537 4976780 2228 0.349 1.3 675 <10
931334 NAD83 UTM 11T 621556 4976762 2232 0.071 <0.5 41 <10
931335 NAD83 UTM 11T 621570 4976734 2231 0.006 <0.5 16 <10
931336 NAD83 UTM 11T 621586 4976708 2231 <0.005 <0.5 <5 <10
931337 NAD83 UTM 11T 621586 4976708 2231 <0.005 <0.5 <5 <10
931338 NAD83 UTM 11T 621603 4976685 2230 <0.005 <0.5 96 <10
931339 NAD83 UTM 11T 621619 4976657 2229 0.01 0.5 12 10
931340 NAD83 UTM 11T 621633 4976632 2225 <0.005 0.5 32 10
931341 NAD83 UTM 11T 621651 4976607 2230 0.005 <0.5 10 <10
931342 NAD83 UTM 11T 621774 4976402 2232 0.01 <0.5 9 <10
931343 NAD83 UTM 11T 621759 4976413 2227 0.013 <0.5 6 <10
931344 NAD83 UTM 11T 621744 4976440 2230 <0.005 <0.5 <5 <10
931345 NAD83 UTM 11T 621724 4976461 2222 <0.005 0.8 5 40
931346 NAD83 UTM 11T 621712 4976488 2221 <0.005 <0.5 <5 <10
931347 NAD83 UTM 11T 621694 4976516 2225 0.011 0.7 11 <10
931348 NAD83 UTM 11T 621682 4976549 2224 0.011 <0.5 <5 <10
931349 <0.005 <0.5 <5 <10
931350 NAD83 UTM 11T 621665 4976570 2224 <0.005 0.6 6 <10
931351 NAD83 UTM 11T 621217 4977087 2087 <0.005 <0.5 22 <10
931352 NAD83 UTM 11T 621229 4977058 2088 <0.005 <0.5 29 <10
931353 NAD83 UTM 11T 621246 4977033 2098 <0.005 <0.5 32 <10
931354 NAD83 UTM 11T 621264 4977008 2100 <0.005 <0.5 30 <10
931355 NAD83 UTM 11T 621272 4976983 2105 0.005 <0.5 45 <10
931356 NAD83 UTM 11T 621291 4976961 2100 0.014 <0.5 65 <10
931357 NAD83 UTM 11T 621308 4976931 2110 0.043 <0.5 197 <10
931358 NAD83 UTM 11T 621327 4976904 2110 0.023 <0.5 154 <10
931359 NAD83 UTM 11T 621340 4976885 2148 0.08 <0.5 316 10
931360 NAD83 UTM 11T 621354 4976857 2153 0.055 0.8 629 10
931361 NAD83 UTM 11T 621372 4976836 2157 0.023 <0.5 492 <10
931362 NAD83 UTM 11T 621671 4976328 2143 <0.005 <0.5 7 <10
931363 NAD83 UTM 11T 621654 4976355 2151 <0.005 0.5 6 <10
931364 NAD83 UTM 11T 621639 4976381 2147 <0.005 <0.5 <5 <10
931365 NAD83 UTM 11T 621618 4976406 2142 <0.005 <0.5 <5 10
931366 NAD83 UTM 11T 621618 4976425 2146 <0.005 <0.5 <5 <10
931367 NAD83 UTM 11T 621587 4976455 2144 <0.005 <0.5 5 <10
931368 NAD83 UTM 11T 621577 4976483 2146 <0.005 <0.5 13 <10
931369 NAD83 UTM 11T 621559 4976502 2166 <0.005 0.5 10 <10
931370 NAD83 UTM 11T 621543 4976531 2171 0.006 0.7 36 10
931371 NAD83 UTM 11T 621530 4976555 2173 0.013 2.4 133 20
931372 NAD83 UTM 11T 621517 4976581 2172 0.041 <0.5 29 10
931373 <0.005 <0.5 <5 <10
931374 NAD83 UTM 11T 621496 4976609 2165 0.124 <0.5 31 <10
931375 NAD83 UTM 11T 621480 4976639 2161 0.021 <0.5 23 <10
931376 NAD83 UTM 11T 621468 4976667 2161 <0.005 <0.5 12 <10

16

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Appendix C: Soil Sample Assay Results

**SampleID ** **Datum ** **Grid ** **Zone ** Easting **Northing ** **Elevation_m ** **Au_ppm ** **Ag_ppm ** Sb_ppm W_ppm
931377 NAD83 UTM 11T 621457 4976692 2162 0.042 <0.5 68 <10
931378 NAD83 UTM 11T 621434 4976713 2161 0.057 1.2 332 <10
931379 NAD83 UTM 11T 621434 4976713 2161 0.069 1.4 362 <10
931380 NAD83 UTM 11T 621418 4976742 2162 0.26 1.3 865 <10
931381 NAD83 UTM 11T 621404 4976774 2147 0.022 <0.5 90 <10
931382 NAD83 UTM 11T 621390 4976797 2146 0.246 2.6 733 <10
931383 NAD83 UTM 11T 621983 4976516 2191 <0.005 <0.5 <5 <10
931384 NAD83 UTM 11T 621967 4976544 2190 <0.005 <0.5 5 <10
931385 NAD83 UTM 11T 621952 4976570 2187 <0.005 <0.5 <5 <10
931386 NAD83 UTM 11T 621936 4976595 2188 <0.005 <0.5 <5 <10
931387 NAD83 UTM 11T 621922 4976621 2182 <0.005 <0.5 <5 <10
931388 NAD83 UTM 11T 621905 4976647 2181 0.007 <0.5 14 <10
931389 NAD83 UTM 11T 621890 4976674 2184 <0.005 <0.5 25 <10
931390 NAD83 UTM 11T 621873 4976701 2182 <0.005 <0.5 9 <10
931391 NAD83 UTM 11T 621857 4976726 2172 0.076 <0.5 27 <10
931392 NAD83 UTM 11T 621842 4976752 2165 0.06 <0.5 32 <10
931393 NAD83 UTM 11T 621825 4976779 2166 0.082 0.6 85 10
931394 NAD83 UTM 11T 620965 4976784 2004 0.006 1.4 47 <10
931395 NAD83 UTM 11T 620975 4976765 2012 0.008 1 67 <10
931396 NAD83 UTM 11T 620994 4976743 2023 0.012 0.8 113 <10
931397 NAD83 UTM 11T 621012 4976720 2028 0.017 <0.5 128 <10
931398 <0.005 <0.5 <5 <10
931399 NAD83 UTM 11T 621024 4976689 2034 0.027 1.1 186 <10
931400 NAD83 UTM 11T 621041 4976660 2058 0.027 1.1 428 <10
931401 NAD83 UTM 11T 621168 4976452 2080 0.048 0.5 185 10
931402 NAD83 UTM 11T 621153 4976479 2080 0.044 <0.5 202 <10
931403 NAD83 UTM 11T 621134 4976506 2073 0.037 <0.5 109 <10
931404 NAD83 UTM 11T 621109 4976528 2070 0.415 5.7 1645 <10
931405 NAD83 UTM 11T 621105 4976554 2071 0.473 9.9 1495 <10
931406 NAD83 UTM 11T 621089 4976581 2068 0.234 6.9 5370 <10
931407 NAD83 UTM 11T 621078 4976602 2065 0.021 1 202 <10
931408 NAD83 UTM 11T 621065 4976628 2062 0.014 0.5 199 <10

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Appendix D: JORC Code, 2012 Edition

Section 1 Sampling Techniques and Data

(Criteria in this section apply to all succeeding sections.)

Criteria JORC Code explanation Commentary
Sampling
techniques

Nature and quality of sampling (eg cut
channels, random chips, or specific
specialised
industry
standard
measurement tools appropriate to the
minerals under investigation, such as
down
hole
gamma
sondes,
or
handheld
XRF instruments, etc).
These examples should not be taken
as limiting the broad meaning of
sampling.

Include reference to measures taken
to ensure sample representivity and
the appropriate calibration of any
measurement tools or systems used.

Aspects of the determination of
mineralisation that are Material to the
Public Report.

In cases where ‘industry standard’
work has been done this would be
relatively
simple
(eg
‘reverse
circulation drilling was used to obtain
1 m samples from which 3 kg was
pulverised to produce a 30 g charge
for fire assay’). In other cases more
explanation may be required, such as
where there is coarse gold that has
inherent sampling problems. Unusual
commodities or mineralisation types
(eg submarine nodules) may warrant
disclosure of detailed information.

Current
2025
rockchip
sampling includes locations
in UTM metric data altitude
data
collected
by
either
selective
grab
sample
techniques
or
channel
rockchip techniques.

Data of two grab sample
results,
including
a
photographic
record
and
assay data, are included in
this
release.
The
grab
samples and photographic
record of the material is
representative of the massive
stibnite recently discovered
(refer immediately below).

Visible mineralisation data is
included in this release and is
based on a new photographic
record of recently discovered
massive stibnite material.

Current 2025 soil sampling
includes locations in UTM
metric data with altitude data
collected at depths of 0.1m-
0.3m at 25m intervals on
sample lines 100m apart on a
NW-SE grid straddling the
main
ridge
at
Antimony
Ridge.

Current 2025 drilling program
is not discussed in this
release
Drilling
techniques

Drill type (eg core, reverse circulation,
open-hole hammer, rotary air blast,
auger, Bangka, sonic, etc) and details
(eg core diameter, triple or standard
tube, depth of diamond tails, face-
sampling bit or other type, whether
core is oriented and if so, by what
_method, etc). _

Drilling is not discussed in
this release.
Drill sample
recovery

Method of recording and assessing
core and chip sample recoveries and
results assessed.

Measures taken to maximise sample
recovery and ensure representative
nature of the samples.

Whether a relationship exists between
sample recovery and grade and
whether sample bias may have
occurred due to preferential loss/gain
of fine/coarse material.

Drilling is not discussed in
this release.

With respect to soil sample
recovery,
samples
were
recovered by geotechnical
personnel,
with
samples
aimed to reflect the “C”
horizon.

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Criteria JORC Code explanation Commentary
Logging
Whether core and chip samples have
been geologically and geotechnically
logged to a level of detail to support
appropriate
Mineral
Resource
estimation,
mining
studies
and
metallurgical studies.

Whether logging is qualitative or
quantitative
in
nature.
Core
(or
costean, channel, etc) photography.

The total length and percentage of the
relevant intersections logged.

Drilling is not discussed in
this release.

With respect to soil samples
this does not apply.
Sub-sampling
techniques
and sample
preparation

If core, whether cut or sawn and
whether quarter, half or all core taken.

If non-core, whether riffled, tube
sampled, rotary split, etc and whether
sampled wet or dry.

For all sample types, the nature,
quality and appropriateness of the
sample preparation technique.

Quality control procedures adopted
for
all
sub-sampling
stages
to
maximise representivity of samples.

Measures taken to ensure that the
sampling is representative of the in
situ material collected, including for
instance
results
for
field
duplicate/second-half sampling.

Whether sample sizes are appropriate
to the grain size of the material being
sampled.

With respect to soil samples,
samples were recovered by
geotechnical
personnel,
using pick, shovel and auger,
with samples aimed to reflect
the “C” horizon.
Quality of
assay data
and
laboratory
tests

The
nature,
quality
and
appropriateness of the assaying and
laboratory
procedures
used
and
whether the technique is considered
partial or total.

For geophysical tools, spectrometers,
handheld XRF instruments, etc, the
parameters used in determining the
analysis including instrument make
and model, reading times, calibrations
factors applied and their derivation,
etc.

Nature of quality control procedures
adopted
(eg
standards,
blanks,
duplicates,
external
laboratory
checks) and whether
acceptable
levels of accuracy (i.e. lack of bias)
and precision have been established.

Soil samples were dried, split
and
prepared
at
the
laboratory with, standards
and blanks were inserted on
regular intervals not less than
every 15 samples.

Laboratory techniques were
as follows:

Gold assays were carried out
using Fire Assay Fusion and
Atomic
Absorption
Spectroscopy
Finish
(Proprietary code: AA-23).

Multi-element assays were
carried out using Nitric Aqua
Regia
Digestion
and
Inductively Coupled Plasma -
Atomic
Emission
Spectroscopy
(Proprietary
code: ME-ICP41).
Verification of
sampling and
assaying

The
verification
of
significant
intersections by either independent or
alternative company personnel.

The use of twinned holes.

Documentation of primary data, data
entry procedures, data verification,

The nature of the verification
of assaying and laboratory
was not conducted as this is
the initial soil sample survey
displayed in this release.

No data adjustments were
made
except
for
the

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Criteria JORC Code explanation Commentary
data storage (physical and electronic)
protocols.

Discuss any adjustment to assay
data.
smoothing
of
data
to
generate coloured plots in
Figures 2,5,7 to represent the
soil data.
Location of
data points

Accuracy and quality of surveys used
to locate drill holes (collar and down-
hole
surveys),
trenches,
mine
workings and other locations used in
Mineral Resource estimation.

Specification of the grid system used.

Quality and adequacy of topographic
control.

All data points (soil sample
location and assays) were
collected
using
handheld
GPS programmed into the
local coordinate system. The
accuracy of the GPS is in line
with best practice standards.
Data spacing
and
distribution

Data
spacing
for
reporting
of
Exploration Results.

Whether
the
data
spacing
and
distribution is sufficient to establish
the degree of geological and grade
continuity appropriate for the Mineral
Resource
and
Ore
Reserve
estimation
procedure(s)
and
classifications applied.

Whether sample compositing has
been applied.

Soil sample programs reflect
recent approaches used in
the district.

Soil sample spacing of 100m
x 25m is appropriate for the
intension purpose of the
program,
to
create
geochemical “heat maps” of
the area.
Orientation of
data
in
relation
to
geological
structure

Whether the orientation of sampling
achieves
unbiased
sampling
of
possible structures and the extent to
which this is known, considering the
deposit type.

If the relationship between the drilling
orientation and the orientation of key
mineralised structures is considered
to have introduced a sampling bias,
this should be assessed and reported
if material.

With
reference
to
the
immediate
above
conclusions, the competent
person
believes
the
orientation of the data (soil
sampling) is, in a general
sense only perpendicular to
the
average
project-scale
trend of mineralisation.
Sample
security

The measures taken to ensure
sample security.

The competent person is
unaware of measures taken
to secure soil samples
Audits
or
reviews

The results of any audits or reviews of
sampling techniques and data.

The competent person is
unaware of the undertaking
of audits or reviews for
sampling technique and data,
other than its own review.

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Section 2 Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

Criteria JORC Code explanation Commentary
Mineral
tenement
and
land
tenure
status

Type,
reference
name/number,
location and ownership including
agreements or material issues with
third parties such as joint ventures,
partnerships, overriding royalties,
native title interests, past sites,
wilderness or national park and
environmental settings.

The security of the tenure held at the
time of reporting along with any
known impediments to obtaining a
licence to operate in the area.

This announcement refers to
the
one
project,
Horse
Heaven project in Idaho
USA,
comprising
six
hundred
and
ninety-nine
(699) U.S. Federal lode
mining
claims
covering
5,644 hectares and includes
six hundred and eighty-nine
(689) mining claims and ten
lode mining claims referred
as the Oberbillig Group.

The
competent
person
understands that the mining
claims
are
all
in
good
standing.
Exploration
done by other
parties

Acknowledgment and appraisal of
exploration by other parties.

No
exploration
results
reported in this release were
performed by other parties,
except for past rockchip
sampling work by Stallion
Uranium
Corp.
with
summary results provided in
a Resolution Minerals Ltd
ASX release dated 11 June
2025.
Geology
Deposit type, geological setting and
style of mineralisation.

The
project
area
is
dominated by Cretaceous-
aged granitic rocks relating
to
intrusive
phases
associated with the Atlanta
Lobe of the Idaho Batholith.
These largely granodiorite
rocks
have
intruded
Neoproterozoic-aged
metasediments, comprising
quartzites
(which
are
dominant)
calc-silicates,
marble and black shale. The
area and broader region is
affected by broad reginal
folding and N-S, NNE-SSW,
and NE-SW faults.

Gold, antimony, tungsten
and silver mineralisation is
associated
with
hydrothermally altered and
fracturedgranodiorites.
Drillhole
Information

A
summary
of
all
information
material to the understanding of the
exploration
results
including
a
tabulation
of
the
following
information for all Material drillholes:
o
easting and northing of
the drillhole collar

Drilling is not discussed in
this release.

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Criteria JORC Code explanation Commentary
o
elevation
or
RL
(Reduced
Level

elevation
above
sea
level in metres) of the
drillhole collar
o
dip and azimuth of the
hole
o
down hole length and
interception depth
o
hole length.

If the exclusion of this information is
justified on the basis that the
information is not Material and this
exclusion does not detract from the
understanding of the report, the
Competent Person should clearly
explain why this is the case.
Data
aggregation
methods

In reporting Exploration Results,
weighting
averaging
techniques,
maximum and/or minimum grade
truncations (eg cutting of high
grades) and cut-off grades are
usually Material and should be
stated.

Where
aggregate
intercepts
incorporate short lengths of high-
grade results and longer lengths of
low grade results, the procedure
used for such aggregation should be
stated and some typical examples of
such aggregations should be shown
in detail.

The assumptions used for any
reporting of metal equivalent values
should be clearly stated.

Soil sample assays are not
adjusted.
Relationship
between
mineralisation
widths
and
intercept
lengths

These relationships are particularly
important
in
the
reporting
of
Exploration Results.

If the geometry of the mineralisation
with respect to the drillhole angle is
known,
its
nature
should
be
reported.

If it is not known and only the down
hole lengths are reported, there
should be a clear statement to this
effect (eg ‘down hole length, true
_width not known’). _

With
reference
to
soil
samples,
the
competent
person
believes
the
orientation of the data is, in a
general
sense
only
perpendicular to the average
project-scale
trend
of
mineralisation.
Diagrams
Appropriate maps and sections (with
scales) and tabulations of intercepts
should
be
included
for
any
significant discovery being reported
These should include, but not be
limited to a plan view of drillhole
collar locations and appropriate
sectional views.

Maps, plans, cross sections
are
provided
with
geolocation
information
(coordinates, northing and
scale bar). Legends are
included within each figure
(where
appropriate)
and
when additional explanation
is required, this is given to
the figure caption.

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Criteria JORC Code explanation Commentary
Balanced
reporting

Where comprehensive reporting of
all
Exploration
Results
is
not
practicable, representative reporting
of both low and high grades and/or
widths should be practiced to avoid
misleading reporting of Exploration
Results.

The competent person of
this
announcement
considers
the
announcement to be fair and
balanced,
with
additional
care and caution noted in the
body of the announcement
regarding the historic nature
of the results.
Other
substantive
exploration data

Other exploration data, if meaningful
and material, should be reported
including
(but
not
limited
to):
geological
observations;
geophysical
survey
results;
geochemical survey results; bulk
samples – size and method of
treatment; metallurgical test results;
bulk
density,
groundwater,
geotechnical
and
rock
characteristics; potential deleterious
or contaminating substances.

There is no material other
data associated with new
exploration results in this
announcement.
Further work
The nature and scale of planned
further work (eg tests for lateral
extensions or depth extensions or
large-scale step-out drilling).

Diagrams clearly highlighting the
areas
of
possible
extensions,
including
the
main
geological
interpretations and future drilling
areas, provided this information is
not commercially sensitive.

Follow-up work will include
further rockchip sampling,
mapping and bulk sampling
at Antimony Ridge, that will
lead to a later drill program.

23