Announcement PDF ASX/Media Announcement KINGSTONRESOURCES.COM.AU 202/201 Miller Street, North Sydney, NSW 2060 +61 2 8021 7492 info@kingstonresources.com.au Follow us on X (Twitter) @KSNResources High-Grade Assays Confirm SOZ Geological Model Kingston Resources Limited (ASX: KSN) (‘Kingston’ or ‘The Company’) is pleased to report high-grade assay results from underground infill drilling at Southern Ore Zone (SOZ) within its Mineral Hill Mine, reinforcing the SOZ geological model and supporting near- term underground development. Highlights: • High-grade polymetallic mineralisation confirmed, validating the Southern Ore Zone (SOZ) geological model and underpinning mine planning. • Key highlights from the assay results include: • 2.1m @ 14.28% Pb, 3.98% Zn, 59g/t Ag from 36m (KSNDDH056) • 1.1m @ 7.79% Pb, 4.38% Zn, 46g/t Ag from 41m (KSNDDH056) • 21.4m @ 0.46g/t Au, 1.22% Cu, 2.7% Pb, 1.96% Zn, 43g/t Ag from 38.6m (KSNDDH062) ▪ including 7.5m @ 1.2g/t Au, 3.31% Cu, 5.67% Pb, 1.96% Zn, 76g/t Ag from 38.6m • 6.10m @ 6.36% Pb, 8.81% Zn, 117g/t Ag from 60.5m (KSNDDH063) • 10.5m @ 1.23g/t Au, 3.25% Cu, 12g/t Ag from 53m (KSNDDH070) • 4.0m @ 1.04g/t Au, 3.66% Cu, 11g/t Ag from 50m (KSNDDH071) • Drilling results support near-term underground development and stoping activities. Managing Director and CEO, Andrew Corbett commented: “These high-grade results are a key step in unlocking the value of Mineral Hill. We are seeing strong copper-equivalent grades with excellent continuity. With multiple production fronts emerging, we are building a pipeline of high-quality ore sources to underpin near-term cash flow and long-term value creation.” 15 April 2026 KINGSTONRESOURCES.COM.AU | ASX: KSN 2 Strengthening the Mineral Hill Production Profile The latest drilling campaign was designed to de-risk underground development and optimise stope design at SOZ. Results confirm both the location and continuity of high- grade mineralisation, providing increased confidence in converting resources into mineable reserves. Notably, Hole KSNDDH062, returned: • 21.4m @ 0.46g/t Au, 1.22% Cu, 2.7% Pb, 1.96% Zn, 43g/t Ag (3.28% CuEq), including ▪ 7.5m @ 1.2g/t Au, 3.31% Cu, 5.67% Pb, 1.96% Zn, 76g/t Ag (7.25% CuEq) Figure 1: Massive sulphide component of the 7.5m interval from 38.6m in hole KSNDDH062. Interval highlighted in pink; 3.4m @ 1.09g/t Au, 2.82% Cu, 6.86% Pb, 1.86% Zn, 77g/t Ag from 38.6m . These results highlight the significant polymetallic value at Mineral Hill, with contributions from copper, gold, silver, lead and zinc enhancing overall project economics. The Copper Equivalent (CuEq) grades reported in this announcement take into account individual metal recoveries based on metallurgical test work and historic production through the Mineral Hill processing plant. The in-situ grades are significantly higher. Other key intercepts include: • 2.1m @ 14.28% Pb, 3.98% Zn, 59g/t Ag (KSNDDH056) • 7.5m @ 1.2g/t Au, 3.31% Cu, 5.67% Pb, 76g/t Ag (KSNDDH062) • 6.10m @ 6.36% Pb, 8.81% Zn, 117g/t Ag (KSNDDH063) • 10.5m @ 1.23g/t Au, 3.25% Cu (KSNDDH070) KINGSTONRESOURCES.COM.AU | ASX: KSN 3 These results demonstrate consistent high-grade zones within broader mineralised envelopes, a key factor in supporting strong operating margins in underground mining scenarios. Figure 2: KSNDDH063 core photos with massive sphalerite and galena mineralisation. Interval highlighted in pink; 3m @ 12% Pb, 16% Zn, 195g/t Ag from 60.5m. Table 1: Key highlights – significant intersections. Hole ID CuEq Cutoff Depth From Depth To Length Au (ppm) Ag (ppm) Cu (%) Pb (%) Zn (%) CuEq (%) KSNDDH056 0.5 25.7 38.1 12.4 0.18 32 0.13 4.44 3.57 2.23 KSNDDH056 Incl 1 36 38.1 2.1 0.27 59 0.28 14.28 3.98 4.52 KSNDDH062 0.5 38.6 60 21.4 0.46 43 1.22 2.70 1.96 3.28 KSNDDH062 Incl 1 38.6 46.1 7.5 1.20 76 3.31 5.67 1.96 7.25 KSNDDH063 0.5 57.5 67.3 9.8 0.14 77 0.13 4.24 5.97 3.41 KSNDDH063 Incl 1 60.5 66.6 6.1 0.16 117 0.18 6.36 8.81 5.04 KSNDDH064 0.5 33.7 56 22.3 0.87 33 0.74 1.34 0.81 2.67 KSNDDH064 Incl 1 33.7 38 4.3 2.76 14 0.53 0.47 1.07 4.18 KSNDDH064 Incl 1 40.4 42 1.6 0.61 59 1.22 1.91 3.24 3.84 KSNDDH064 Incl 1 46.5 56 9.5 0.56 57 1.26 2.53 0.67 3.42 KSNDDH064 0.5 121.8 130.3 8.5 0.62 7 1.04 0.51 0.54 2.05 KSNDDH064 Incl 1 124.9 130.3 5.4 0.94 11 1.53 0.67 0.67 3.01 KSNDDH066 0.5 53.3 57.4 4.1 0.09 9 2.18 0.07 0.04 2.46 KSNDDH067 0.5 22 22.5 0.5 1.39 10 3.44 0.04 0.75 5.34 KSNDDH070 0.5 53 63.5 10.5 1.23 12 3.25 0.07 0.01 4.87 KSNDDH071 0.5 50 55 5 0.84 9 3.09 0.05 0.02 4.23 KSNDDH071 Incl 1 50 54 4 1.04 11 3.66 0.06 0.02 5.05 The full list of significant intercepts is included in the section titled Drill Hole Collars and Significant Assays. High Grade KINGSTONRESOURCES.COM.AU | ASX: KSN 4 Metal Equivalents This announcement quotes metal equivalent grades defined by Kingston Resources. Price assumptions used are based on market consensus forecasts with adjustments to account for reasonable prospects for eventual economic extraction (RPEEE), as guided by JORC reporting guidelines. Copper equivalent (CuEq) conversion factors are used within the announcement and are calculated by multiplying the grades for each contributing metal by their respective metal price and recovery and dividing by the multiplication of the copper price and copper recovery. Metallurgical recoveries are based on historical production (2010-2016) as well as recent metallurgical test work and are applied to the Resource and Reserve calculated grades for each commodity. The Company is of the opinion that all the elements included in the metal equivalent calculations have a demonstrated potential to be recovered and sold. Mineral Hill is currently producing metal concentrates and dore (from the CIL) on site. Upon the commencement of underground polymetallic production, the Company will have a Cu flotation circuit, Pb flotation circuit and Zn flotation circuit to produce three different concentrates as well as precious metal dorѐ. Commodity Unit *Price Deposit Commodity Recovery (%) CuEq Factor Gold US$/oz 5,074 SOZ Gold 83 1.132 Silver US$/oz 76.1 Silver 88 0.018 Copper US$/lb 6.16 Copper 88 1.000 Lead US$/lb 1.08 Lead 75 0.149 Zinc US$/lb 1.51 Zinc 66 0.184 CuEq % = Cu % + (1.132 * Au g/t) + (0.018* Ag g/t) + (0.149 * Pb %) + (0.184 * Zn) KINGSTONRESOURCES.COM.AU | ASX: KSN 5 Figure 3: Plan map of completed drill holes with wireframes sliced at 1080m RL (Southern Ore Zone). KINGSTONRESOURCES.COM.AU | ASX: KSN 6 Figure 4: Cross-section at 260mN showing the confirmation of the existing Mineral Resource interpretation. KINGSTONRESOURCES.COM.AU | ASX: KSN 7 Figure 5: Cross-section at 580mN showing the confirmation of the existing Mineral Resource interpretation. KINGSTONRESOURCES.COM.AU | ASX: KSN 8 Figure 6: Cross-section at 560mN showing the confirmation of the existing Mineral Resource interpretation. KINGSTONRESOURCES.COM.AU | ASX: KSN 9 Figure 7: Cross-section at 540mN showing the confirmation of the existing Mineral Resource interpretation. KINGSTONRESOURCES.COM.AU | ASX: KSN 10 Upcoming Activities • Gold and silver production from Pearse South Open Pit. • Underground diamond drilling at SOZ. • Underground level development at SOZ. This release has been authorised by the Kingston Resources Limited Board. For all enquiries, please contact Managing Director, Andrew Corbett, on +61 2 8021 7492. KINGSTONRESOURCES.COM.AU | ASX: KSN 11 About Kingston Resources Kingston Resources is currently producing gold and silver from its Mineral Hill gold and copper mine in NSW. The Company’s objective is to establish itself as a mid-tier gold and base metals company with multiple producing assets. Mineral Hill is a gold and copper mine located in the Cobar Basin of NSW. On 30 September 2024, Kingston released an updated life-of-mine (LOM) production target, outlining a six-year LOM plan comprising a maiden underground Ore Reserve and a revised open pit Ore Reserve. The Company is focused on meeting near mine production targets located on the existing MLs. The aim is to extend the mine’s life through organic growth and consider regional deposits that could be processed at Mineral Hill’s processing plant. The Mineral Hill Mineral Resource estimates included in this announcement were released in ASX announcements on 15 March 2023 (Pearse South), 21 March 2023 (Jack’s Hut) and 13 November 2025 (Southern Ore Zone, Red Terror and Parkers Hill). The Ore Reserve estimate outlined below was released in ASX announcements on 30 September 2024 (Pearse South and Southern Ore Zone). Further information is included within the original announcements. Kingston is not aware of any new information or data that materially affects the information included in this announcement. All material assumptions and technical parameters underpinning the Mineral Resource estimates and production targets continue to apply and have not materially changed. Mineral Hill Mine, NSW (100%) • Mine plan out to the end of 2031: Open pit and underground mining. • Significant upside: Measured and Indicated Resources comprise 60% of the 10 Mt resource – substantial opportunity for conversion to Ore Reserves • Excellent Infrastructure: Operating processing plant capable of producing multiple concentrates and precious metal dorѐ. • Exploration potential: Exceptional upside within current Mining Leases (ML) and Exploration Licenses (EL). • Current Focus: Open pit mining at Pearse, production of gold concentrate and precious metal dorѐ on site. Underground level development and diamond drilling at SOZ. KINGSTONRESOURCES.COM.AU | ASX: KSN 12 Mineral Resources and Ore Reserves Mineral Hill JORC (2012 Ed.) Mineral Resource and Ore Reserve. Resource Category Tonnes kt Grade Metal Au Cu Pb Zn Ag Au Cu Pb Zn Ag g/t % % % g/t koz kt kt kt koz Measured 327 1.90 1.20 0.54 0.33 10 20 4 2 1 109 Indicated 5,658 0.76 1.06 1.69 1.04 32 138 58 93 57 6,083 Inferred 3,999 1.10 0.84 1.13 0.95 21 142 33 45 37 2,661 Total 9,984 0.93 0.97 1.42 0.98 28 300 95.2 139.3 95.4 8,853 Reserve Category Tonnes Au Cu Pb Ag Zn Au Cu Pb Zn Ag kt g/t % % g/t % koz kt kt kt koz Proved - - - - - - Probable 840 1.88 0.80 1.90 31 1.60 49 5.5 13 11 833 Total 840 1.88 0.80 1.90 31 1.60 49 5.5 13 11 833 1. Due to rounding to appropriate significant figures, minor discrepancies may occur, tonnages are dry metric tonnes. 2. Probable Ore Reserves are derived from Indicated Mineral Resources. 3. The Ore Reserves do not include, or depend upon, Inferred Mineral Resources. 4. The Ore Reserves form part of the Mineral Resources. Competent Persons Statement and Disclaimer The information in this report that relates to Exploration Results and Mineral Resources is based on information compiled by Mr. Stuart Hayward BAppSc (Geology) MAIG, a Competent Person who is a member of the Australian Institute of Geoscientists. Mr. Hayward is an employee of the Company. Mr. Hayward has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being 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”. Mr. Hayward confirms that the information in the market announcement provided is an accurate representation of the available data and studies for the material mining project and consents to the inclusion in this report of the matters based upon the information in the form and context in which it appears. The Competent Person signing off on the overall Pearse Opencut Ore Reserves Estimate is Mr John Wyche BE (Min Hon), of Australian Mine Design and Development Pty Ltd, who is a Fellow of the Australasian Institute of Mining and Metallurgy and who has sufficient relevant experience in operations and consulting for open pit metalliferous mines. Mr Wyche consents to the inclusion in this report of the information pertaining to the Pearse Opencut Ore Reserve in the form and context in which it appears. The Competent Person signing off on the overall underground SOZ Ore Reserves Estimate is Mr Steven Weckert BE ME (Min) CP, of Australian Mine Design and Development Pty Ltd, who is a Member of the AusIMM and who has sufficient relevant experience in operations and consulting for underground metalliferous mines. Mr Weckert consents to the inclusion in this report of the information pertaining to the Mineral Hill SOZ Ore Reserve in the form and context in which it appears. KINGSTONRESOURCES.COM.AU | ASX: KSN 13 Drill Hole Collars and Significant Assays Table 2: Drillhole collar information. Hole ID Local Local Local MGA20 z55 EAST MGA20 z55 NORTH AHD Dip Azimuth (Local) Total Depth (m) EAST NORTH RL KSNDDH056 1243.200 240.100 1084.100 499292.4 6395205.1 84.1 -14 46 85.3 KSNDDH062 1212.892 267.9469 1084.559 499251.2 6395203.4 84.63 11.9 95.4 60 KSNDDH063 1231.690 238.096 1082.833 499285.6 6395195.6 82.906 -68.5 106.1 250.9 KSNDDH064 1223.042 243.200 1082.693 499275.9 6395193.1 82.765 -73.9 123.4 255.6 KSNDDH065 1103.912 553.493 1094.257 498972.3 6395328 94.322 -24.1 55.1 146.3 KSNDDH066 1104.222 553.243 1094.014 498972.7 6395328.1 94.079 -29.0 59.5 125 KSNDDH067 1103.789 553.115 1093.873 498972.5 6395327.7 93.938 -37.6 58.3 90 KSNDDH068* 1102.059 548.062 1094.098 498974.8 6395322.9 94.163 -32.7 117.2 110.1 KSNDDH069* 1102.251 547.548 1094.140 498975.3 6395322.7 94.205 -30.4 129.3 114.9 KSNDDH070 1137.750 551.762 1094.030 498997.4 6395350.7 94.095 -50.5 75.4 80 KSNDDH071 1147.112 549.239 1093.967 499005.8 6395355.6 94.032 -57.9 108.8 73 KSNDDH072* 1401.891 938.187 1182.114 498910.8 6395810.5 182.133 -24.8 113.1 155 KSNDDH073* 1401.891 938.187 1182.114 498910.8 6395810.5 182.133 -17.0 174.5 145 KSNDDH074* 1401.891 938.187 1182.114 498910.8 6395810.5 182.133 -24.8 174.1 150 Note: Shaded rows represent the holes being reported in this announcement. * Results pending ° KINGSTONRESOURCES.COM.AU | ASX: KSN 14 Table 3: Full list of significant intercepts. Hole ID CuEq Cutoff Depth From Depth To Length Au (ppm) Ag (ppm) Cu (%) Pb (%) Zn (%) CuEq (%) KSNDDH056 0.5 6 17 11 0.93 50 0.33 1.39 1.33 2.74 KSNDDH056 0.5 19.5 21.7 2.2 0.28 37 0.12 3.31 1.49 1.87 KSNDDH056 Incl. 1 19.5 20.3 0.8 0.45 94 0.30 8.57 2.54 4.23 KSNDDH056 0.5 25.7 38.1 12.4 0.18 32 0.13 4.44 3.57 2.23 KSNDDH056 Incl. 1 25.7 33 7.3 0.20 34 0.10 2.98 3.97 2.12 KSNDDH056 Incl. 1 36 38.1 2.1 0.27 59 0.28 14.28 3.98 4.52 KSNDDH056 0.5 41 61.2 20.2 0.27 19 0.10 1.40 2.60 1.42 KSNDDH056 Incl. 1 41 42.1 1.1 0.13 46 0.27 7.79 4.38 3.21 KSNDDH056 Incl. 1 45.8 61.2 15.4 0.32 19 0.09 1.21 2.96 1.52 KSNDDH062 0.5 32 33 1 0.07 10 0.10 1.44 0.41 0.64 KSNDDH062 0.5 38.6 60 21.4 0.46 43 1.22 2.70 1.96 3.28 KSNDDH062 Incl. 1 38.6 46.1 7.5 1.20 76 3.31 5.67 1.96 7.25 KSNDDH062 Incl. 1 48.4 52 3.6 0.05 38 0.21 2.29 3.11 1.86 KSNDDH062 Incl. 1 56 59 3 0.07 23 0.13 1.69 4.02 1.63 KSNDDH063 0.5 0.25 7.4 7.15 0.25 16 0.00 0.01 0.01 0.57 KSNDDH063 Incl. 1 1.5 2.65 1.15 0.46 28 0.00 0.01 0.02 1.04 KSNDDH063 0.5 9.5 10.5 1 0.84 22 0.00 0.01 0.01 1.36 KSNDDH063 0.5 22.1 31 8.9 0.47 14 0.31 1.17 0.65 1.39 KSNDDH063 Incl. 1 22.1 29 6.9 0.51 15 0.37 1.38 0.80 1.57 KSNDDH063 0.5 34 35 1 0.02 183 0.02 0.24 0.48 3.46 KSNDDH063 0.5 41 46.15 5.15 0.06 18 0.15 2.27 1.26 1.11 KSNDDH063 Incl. 1 42.2 44.15 1.95 0.07 28 0.25 4.41 2.21 1.90 KSNDDH063 0.5 57.5 67.3 9.8 0.14 77 0.13 4.24 5.97 3.41 KSNDDH063 Incl. 1 60.5 66.6 6.1 0.16 117 0.18 6.36 8.81 5.04 KSNDDH063 0.5 111 117.45 6.45 0.50 14 0.83 2.06 1.07 2.15 KSNDDH063 0.5 154 154.9 0.9 0.12 5 0.15 1.23 1.61 0.85 KSNDDH063 0.5 157 160 3 0.09 3 0.18 0.48 0.75 0.54 KINGSTONRESOURCES.COM.AU | ASX: KSN 15 Hole ID CuEq Cutoff Depth From Depth To Length Au (ppm) Ag (ppm) Cu (%) Pb (%) Zn (%) CuEq (%) KSNDDH063 0.5 162.6 163.6 1 0.12 9 0.53 1.59 2.15 1.45 KSNDDH063 0.5 198 199 1 0.13 3 0.09 0.37 0.91 0.51 KSNDDH063 0.5 208 209 1 0.07 2 0.13 0.78 1.31 0.60 KSNDDH063 0.5 210 211.1 1.1 0.03 2 0.16 1.18 1.68 0.72 KSNDDH064 0.5 9 11 2 0.44 35 0.00 0.01 0.02 1.13 KSNDDH064 Incl. 1 10 11 1 0.65 53 0.00 0.01 0.03 1.70 KSNDDH064 0.5 33.7 56 22.3 0.87 33 0.74 1.34 0.81 2.67 KSNDDH064 Incl. 1 33.7 38 4.3 2.76 14 0.53 0.47 1.07 4.18 KSNDDH064 Incl. 1 40.4 42 1.6 0.61 59 1.22 1.91 3.24 3.84 KSNDDH064 Incl. 1 46.5 56 9.5 0.56 57 1.26 2.53 0.67 3.42 KSNDDH064 0.5 62 65 3 1.05 2 0.00 0.01 0.01 1.23 KSNDDH064 0.5 73 77.6 4.6 0.14 38 0.13 1.77 2.73 1.73 KSNDDH064 0.5 98 101 3 0.08 4 0.09 0.89 0.68 0.51 KSNDDH064 0.5 105 107 2 0.10 6 0.31 0.07 0.96 0.71 KSNDDH064 0.5 121.8 130.3 8.5 0.62 7 1.04 0.51 0.54 2.05 KSNDDH064 Incl. 1 124.9 130.3 5.4 0.94 11 1.53 0.67 0.67 3.01 KSNDDH064 0.5 172 173 1 0.09 3 0.14 0.68 1.43 0.66 KSNDDH064 0.5 180 181 1 0.08 4 0.13 0.58 0.80 0.52 KSNDDH064 0.5 187.15 188 0.85 0.14 6 0.16 1.20 1.44 0.88 KSNDDH064 0.5 197.2 198.4 1.2 0.24 4 0.12 0.75 0.99 0.76 KSNDDH064 0.5 204.4 205 0.6 0.14 4 0.22 0.32 0.68 0.63 KSNDDH064 0.5 231 232 1 0.08 2 0.36 0.04 0.16 0.52 KSNDDH064 0.5 239 240 1 0.12 6 0.26 0.92 0.13 0.66 KSNDDH065 0.5 5 6 1 0.26 2 0.49 0.01 0.01 0.82 KSNDDH065 0.5 24.3 26.7 2.4 0.09 3 0.98 0.01 0.31 1.20 KSNDDH065 Incl. 1 26 26.7 0.7 0.17 6 1.94 0.03 1.07 2.44 KSNDDH065 0.5 52.1 52.5 0.4 0.16 3 0.56 0.01 0.01 0.79 KSNDDH065 0.5 66 68.3 2.3 0.06 7 1.87 0.05 0.06 2.09 KINGSTONRESOURCES.COM.AU | ASX: KSN 16 Hole ID CuEq Cutoff Depth From Depth To Length Au (ppm) Ag (ppm) Cu (%) Pb (%) Zn (%) CuEq (%) KSNDDH065 0.5 72.55 76 3.45 0.06 5 1.18 0.05 0.03 1.36 KSNDDH065 Incl. 1 72.55 73.5 0.95 0.17 14 3.13 0.15 0.08 3.61 KSNDDH065 0.5 80 82 2 0.04 6 1.42 0.03 0.02 1.58 KSNDDH065 Incl. 1 80 81 1 0.06 9 2.14 0.05 0.02 2.39 KSNDDH065 0.5 103.3 107.45 4.15 0.62 8 1.45 0.29 0.75 2.47 KSNDDH065 0.5 111 112 1 0.62 4 0.46 0.11 0.12 1.28 KSNDDH065 0.5 115 116 1 0.04 3 0.66 0.01 0.01 0.76 KSNDDH066 0.5 13 13.8 0.8 0.04 13 0.15 0.63 0.37 0.59 KSNDDH066 0.5 18 19 1 1.50 6 1.67 0.08 0.33 3.55 KSNDDH066 0.5 30 31 1 0.05 3 0.38 0.07 0.16 0.53 KSNDDH066 0.5 47.95 48.25 0.3 0.10 12 1.12 0.25 0.01 1.49 KSNDDH066 0.5 53.3 57.4 4.1 0.09 9 2.18 0.07 0.04 2.46 KSNDDH066 0.5 60 70 10 0.06 7 0.39 0.18 0.30 0.66 KSNDDH066 Incl. 1 62.9 63.3 0.4 0.06 5 0.75 0.07 0.73 1.04 KSNDDH066 Incl. 1 64 64.65 0.65 0.11 9 1.08 0.15 0.19 1.41 KSNDDH066 Incl. 1 66.5 70 3.5 0.11 12 0.64 0.33 0.66 1.14 KSNDDH066 0.5 85.4 85.9 0.5 0.07 11 0.16 0.27 0.23 0.52 KSNDDH066 0.5 88 88.6 0.6 0.04 3 0.42 0.08 1.11 0.74 KSNDDH066 0.5 90.9 108.2 17.3 0.10 3 0.60 0.05 0.14 0.80 KSNDDH066 Incl. 1 95.5 101 5.5 0.23 5 1.21 0.07 0.29 1.62 KSNDDH067 0.5 2 3.5 1.5 0.07 20 0.67 1.97 0.88 1.56 KSNDDH067 0.5 7 8 1 0.03 6 0.26 0.61 0.50 0.59 KSNDDH067 0.5 22 22.5 0.5 1.39 10 3.44 0.04 0.75 5.34 KSNDDH067 0.5 49 59 10 0.14 4 0.51 0.07 0.07 0.76 KSNDDH067 Incl. 1 49 50 1 0.95 11 0.13 0.14 0.01 1.42 KSNDDH067 Incl. 1 58 59 1 0.06 7 2.27 0.03 0.01 2.47 KSNDDH067 0.5 62.1 68 5.9 0.09 6 0.65 0.10 0.19 0.91 KSNDDH067 Incl. 1 62.1 63.5 1.4 0.14 6 1.12 0.07 0.24 1.44 KINGSTONRESOURCES.COM.AU | ASX: KSN 17 Hole ID CuEq Cutoff Depth From Depth To Length Au (ppm) Ag (ppm) Cu (%) Pb (%) Zn (%) CuEq (%) KSNDDH067 Incl. 1 65 67 2 0.08 10 0.87 0.13 0.14 1.19 KSNDDH067 0.5 79.9 80.5 0.6 0.12 7 2.62 0.02 0.04 2.89 KSNDDH067 0.5 89 90 1 2.45 3 0.29 0.06 0.03 3.14 KSNDDH070 0.5 0 1 1 0.03 4 0.38 0.07 0.06 0.51 KSNDDH070 0.5 14 15 1 0.05 4 0.46 0.08 0.05 0.61 KSNDDH070 0.5 20.6 25 4.4 0.10 7 0.29 0.22 0.19 0.60 KSNDDH070 Incl. 1 20.6 21 0.4 0.30 16 0.88 0.26 0.13 1.57 KSNDDH070 0.5 35.9 48 12.1 0.05 4 0.84 0.06 0.10 1.00 KSNDDH070 Incl. 1 35.9 37 1.1 0.05 5 1.31 0.04 0.48 1.54 KSNDDH070 Incl. 1 40.9 45 4.1 0.07 6 1.42 0.04 0.05 1.61 KSNDDH070 0.5 53 63.5 10.5 1.23 12 3.25 0.07 0.01 4.87 KSNDDH070 0.5 68 71 3 0.03 1 0.60 0.01 0.01 0.66 KSNDDH070 Incl. 1 68 69 1 0.01 2 1.00 0.00 0.01 1.05 KSNDDH071 0.5 4 5 1 0.61 10 1.86 0.03 0.01 2.74 KSNDDH071 0.5 9 10 1 0.05 4 0.45 0.07 0.05 0.60 KSNDDH071 0.5 15 17 2 0.07 5 0.76 0.13 0.35 1.01 KSNDDH071 Incl. 1 15 16 1 0.07 6 0.99 0.15 0.60 1.30 KSNDDH071 0.5 31 38 7 0.53 5 1.21 0.03 0.04 1.91 KSNDDH071 0.5 43 47 4 0.13 4 1.11 0.02 0.01 1.34 KSNDDH071 Incl. 1 45.95 47 1.05 0.22 8 2.94 0.02 0.02 3.34 KSNDDH071 0.5 50 55 5 0.84 9 3.09 0.05 0.02 4.23 KSNDDH071 Incl. 1 50 54 4 1.04 11 3.66 0.06 0.02 5.05 KSNDDH071 0.5 59 60 1 0.04 2 0.44 0.00 0.01 0.51 KINGSTONRESOURCES.COM.AU | ASX: KSN 18 Appendix 1. SOZ Underground Drilling - JORC Code Table 1 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 Diamond Drilling Sample Collection • A diamond core drill rig was used to produce rock samples of core. Run length was variable between 3m and 1m depending on the ground conditions and any expected mineralisation. • Triple Tube HQ and NQ barrel set up was utilised to maximize recoveries. • Diamond drill core is orientated where orientation tools provided an outcome that is assessed as reliable. • The geologist selects sample intervals based on logged geology (lithology, alteration, mineralisation, structures) with minimum sample length of 0.3m and maximum of 1.5m. Half core samples were taken from start to end of hole. All drill core is sampled using an automated/mechanical core cutting machine with diamond cutting blade. Samples comprise half core with sample intervals determined by the geologist and recorded as a cut sheet. • For orientated drill core a cutting reference line is drawn approximately 15mm offset from the orientation line. Drill core is cut along the cut line with the orientation line not sampled and returned to the core box for future reference. • Non-orientated drill core is cut along a reference line that is the best approximation of the extensions of the orientation reference line with the intent of ensuring the same half core is sampled. • Samples are placed in calico bags and dispatched to ALS KINGSTONRESOURCES.COM.AU | ASX: KSN 19 Criteria JORC Code explanation Commentary 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. laboratory where they are received and registered with a sample receipt document provided as a record of the chain of custody process. Analysis of Geotechnical Samples • Field point load testing (PLT) was conducted on solid pieces of core >100mm in length from every 3rd core tray. Different rock type samples were selected to collect a range of data reflecting varying rock mass strengths throughout each hole. 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). • Diamond Core Drilling: - 36 diamond drill holes have been completed to date for a total of 4042.6 metres • This release refers to 9 diamond drill holes that have been completed in the program for a total of 1166 metres. • The holes were collared in two separate sites in existing SOZ underground drives on the 1100 Level. • All holes were diamond cored with HQ3 with the option to reduce to NQ3 where adverse ground conditions were encountered. • All holes were oriented using an Axis North-seeking Gyroscopic tool. During drilling a collar check survey and a 15m survey was taken, followed by surveys every 30m from 30m depth to end of hole. Prior to completing each hole, a multi-shot continuous gyro survey was taken. Each single shot and EOH multi-shot was then uploaded to the cloud-hosted Axis database for retrieval and review by Geology. • Reverse Circulation Drilling • No Reverse Circulation drilling was completed as part of the program being reported or depicted in the release. Drill sample recovery • Method of recording and assessing core and chip sample recoveries and results assessed. • Diamond Drill Core • Diamond drill core is recovered on a run-by-run basis where the length drilled, and axial length recovered is recorded by KINGSTONRESOURCES.COM.AU | ASX: KSN 20 Criteria JORC Code explanation Commentary • 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. the drilling crew. Run length and recovery are remeasured and calculated in the core processing area. No significant discrepancies have been noted between driller and KSN determined runs and recovery. • Diamond drill core is sampled as half core using a diamond blade auto saw. • Core loss zones have not been sampled. These ‘gaps’ in sampling have been assigned zero (0) grade for the purposes of significant interval calculation. • Reverse Circulation Drilling • No Reverse Circulation drilling referred to or reported or depicted in the release. 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. • A qualified geologist logs all drill core from this program. • Logging captured, lithological, alteration, mineralisation, structural and weathering information. Drill core also provided geotechnical data based on physical counts of and physical measurement of angles, hardness, roughness, of discontinuities and visual assessment and description of structural features. • Geological logging is generally qualitative in nature noting the presence of various geological features and their intensities using a numerical 1-5 scale. Quantitative features of the logging include structural alpha and beta measurements captured as well as magnetic susceptibility and bulk density data. • Bulk density intervals were chosen to represent the range of lithology/alteration and mineralisation within the hole. The test can only be completed on competent core, so areas of broken or clayey core are not represented in the bulk density measurements, KINGSTONRESOURCES.COM.AU | ASX: KSN 21 Criteria JORC Code explanation Commentary • “Dry weight” and “Wet weight” measurements were taken every 3 trays for pieces of core >= 10cm and bulk density calculated using the Archimedes Principal: • Bulk Density = (Sample Weight in Air) *(Fluid Density) / (Sample Weight in Air) – Sample Weight in Water). • The entire set of holes are fully logged and photographed. • Diamond Core Drilling • Recoveries were measured by the driller and/or offsider whilst in the splits on the rack at the rig site using a handheld tape measure. Recoveries were written in permanent marker on a core block placed in the core tray. The Geologist and/or field assistant measured the length of recovered core in the trays when meter marking the core. Recovery is recorded as a percentage per run. • Drill core recoveries across the drill holes average >95% with 5-0% recovery in mineralised zones. • There is no observed relationship between sample recovery and grade. 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 • Diamond drill core sampling intervals are determined by the logging geologist and is defined by key geological characteristics such as lithology, alteration, mineralisation style paragenesis etc, and structure. • Drill core is sampled as half core using an automated diamond blade core saw. • Core is sampled from the same half with a cut at approximately 15mm offset from the BOH orientation line that is retained in the core tray for future reference. • Primary sample intervals are not subsampled further. KINGSTONRESOURCES.COM.AU | ASX: KSN 22 Criteria JORC Code explanation Commentary 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. • Routine QAQC was used in the sampling process. Blank material was introduced at 1:30. Certified Reference Material was introduced at a ratio of 1:25 and in areas of identified mineralisation. Crush and pulp duplicates were taken at a ratio of 1:30 • Samples from the field are dispatched to the sample preparation facility in Orange where they are dried, crushed and pulverised with a 150g pulp subsample collected for analysis. • Sample representivity and quality is assessed using KSN QAQC protocols. • Half core samples are appropriate for the host rock characteristics and mineralisation style. Mineralised veins are, on the whole, at moderate angles