Announcement PDF P: +61 8 6466 7500 E: info@ballardmining.com.au A: Level 2, 18 Richardson Street, West Perth WA 6005 ASX: BM1 ballardmining.com.au ASX Announcement – 14th October 2025 Mt Ida Exploration Update Geophysical studies confirm exceptional prospectivity of the Mt Ida region • Review of high-resolution aeromagnetic images by highly regarded structural geologist Dr Sarah Jones identifies up to 35 new gold targets • These are in addition to the 18 initial targets based on presence of historical underground workings and high-grade rock chips • Phase 1 “Proof of Concept” drilling continues to give encouraging results, including: o 8m at 1.8 g/t gold from 30 metres in BMEX072 at Astro o 3m at 1.7 g/t gold from 77 metres in BMEX056 at Quasar o 4m at 1.4 g/t gold from 76 metres in BMEX054 at Dickson o 1m at 17.6 g/t gold from 29 metres in BMEX043 at Dickson • New+900 metre mineralised trend identified at the Astro and Quasar prospects • Mineralisation along the Dickson trend identified over 1,100 metres of strike parallel to the Baldock deposit • Infill resource conversion drilling at Baldock Deposit, which hosts 930koz @ 4.1 g/t1 , is 70% complete. On track to deliver Maiden Ore Reserve by mid CY26 Commenting on the results, Managing Director Paul Brennan said: “We are incredibly excited about the growing potential at our Mt Ida Gold project. Dr Sarah Jones’ review of high-resolution aeromagnetic images has tripled our number of exploration targets, enhancing our Phase 1 regional program, which continues to reveal significant shallow gold mineralisation across multiple prospects. The new +900m trend identified at Astro, the 1,100m strike at Dickson parallel to Baldock and the recently announced discovery at the Neptune2 Prospect confirms the broader prospectivity of the Mt Ida Gold Project. This is a very fertile system, it has become evident that there are multiple parallel zones of mineralisation along both the Ballard Fault and the Baldock Thrust shear zone. These early drill results are comparable to the initial exploration results received at Baldock where recently identified mineralised lodes have subsequently grown into substantial resources. With the infill resource conversion drilling program at Baldock 70% complete, we remain on track to complete the infill program by the end of this calendar year. Looking ahead to CY2026 our focus will shift entirely to adding resources to support our 10 year plan”. 1 Refer to the Ballard IPO Prospectus lodged with ASIC and dated 30 May 2025 (as amended by the Supplementary Prospectus lodged with ASIC and dated 17 June 2025) for further information on the MRE 2 Refer ASX Announcement lodged by Ballard Mining on the 15 September 2025 for further information 2 ASX: BM1 ballardmining.com.au Ballard Mining (ASX:BM1) (“Ballard” or “the Company”) is pleased to provide an update on the Exploration drilling program at its Mt Ida Gold Project located 540km northeast of Perth in the Goldfields region of Western Australia (Figure 9). The Mt Ida Gold Project covers 26km of prospective greenstone belt, folded around the Copperfield Granite (Figure 1). Ballard is pursuing a dual stream Growth and Development Strategy. The Company’s ambition is to establish by mid CY2026, a 5 to 6 year mine life at Baldock underpinned by a Maiden Ore Reserve of 400-500koz and visibility over a 10 year mine life with exploration success. Regional Exploration Update The regional Mt Ida exploration program has continued to drill test the initial 18 prospective targets following the early success at the Neptune Prospect3 . Initial Phase 1 Exploration drilling has been completed at a further 5 prospects to the North of Neptune, namely Pulsar, Ayla, Europa, Comet and Eclipse (Figure 1), and on the Baldock Thrust zone at Dickson, Quasar and Astro. A total of 54 holes were completed with significant gold mineralisation identified in 37 holes (Figures 2-4 and Appendix B). Widespread gold mineralisation has been identified at many prospects including Astro, Quasar, Dickson, Alya, and Europa. To date the Phase 1 drilling program has successfully targeted historical underground workings as proof of concept. It has become evident that there are multiple parallel zones of mineralisation along both the Ballard Fault and the Baldock Thrust shear zones. These early drill results are similar to the initial exploration results received at Baldock from recently identified mineralised lodes which have subsequently grown into substantial resources. This provides significant encouragement for the follow up Phase 2 drilling program. Mineralisation typically occurs in east or west dipping shear zones within a silica-biotite-pyrite altered anorthosite and or basaltic amphibolite which are interpreted to be the same host rock and mineralising system as the Baldock Gold Deposit (Figure 1). Significant results include: • 8m at 1.8 g/t gold from 30 metres in BMEX072 at Astro • 3m at 1.7 g/t gold from 77 metres in BMEX056 at Quasar • 1m at 2.4 g/t gold from 23 metres in BMEX060 at Quasar • 4m at 1.4 g/t gold from 76 metres in BMEX054 at Dickson • 1m at 17.6 g/t gold from 29 metres in BMEX043 at Dickson • 1m at 3.7 g/t gold from 40 metres in BMEX053 at Dickson • 1m at 4.7 g/t gold from 52 metres in BMEX030 at Ayla 3 Refer ASX Announcement lodged by Ballard Mining on the 15 September 2025 for further information 3 ASX: BM1 ballardmining.com.au Figure 1 - Current identified exploration Prospects (yellow dots) with Dickson, Quasar and Europa locations highlighted 4 ASX: BM1 ballardmining.com.au Astro-Quasar +900m trend A new +900 metre mineralised trend has been identified at the Astro and Quasar prospects (Figure 2). Drilling has identified gold mineralisation on nearly every drill line, and the prospects are open to the south and north for 1,100 metres and 700 metres respectively. Figure 2 - Astro and Quasar prospect showing mineralisation and drill hole locations along a 900 metre trend 5 ASX: BM1 ballardmining.com.au Mineralisation typically occurs in amphibolitic basalts adjacent to the contact with the Copperfield granite and occurs as disseminated sulphides in a biotite-silica-albite +/- quartz alteration zone. The current interpretation is that the trend is the northern extension of the 1,100 metre long Dickson mineralised trend which occurs immediately south and is also on the granite contact (Figure 5). Figure 3 – Astro Cross section showing mineralised intervals Figure 4 – Astro-Quasar location on the Baldock Thrust 6 ASX: BM1 ballardmining.com.au Dickson Prospect Dickson is parallel Prospect to the Baldock deposit with an identified 1,100m of potential strike extent. These early drill results are similar to the initial exploration results received at Baldock from recently identified mineralised lodes which have subsequently grown into substantial resources. This provides significant encouragement for the follow-up Phase 2 drilling program. Figure 5 - Plan view of the Dickson prospect showing assay intervals (> 0.5 g/t gold), collar locations, and cross section location with appended cross section Cross Section 7 ASX: BM1 ballardmining.com.au Ayla-Europa trend The Ayla-Europa trend is located on the Ballard Fault, immediately to the North of Neptune Pulsar (Figure 1). Figure 6 – Plan view of the Europa and Ayla prospects on the first vertical derivative magnetic image showing mineralised intervals (> 0.5 g/t gold) and cross section location 8 ASX: BM1 ballardmining.com.au Figure 7 - Cross sections of mineralisation at Europa Structural review identifies multiple priority structural target zones In September, Ballard Mining engaged highly regarded structural consultant Dr Sarah Jones to interpret the recently acquired high resolution aeromagnetic imagery. The structural review identified key geological controls on the movement and deposition of gold mineralisation and underscored the exceptional prospectivity of the Mt Ida region. The review identified so many discrete targets that areas were grouped into target zones (see Figure 8 - blue zones). The key target zone is the hanging wall (upper contact) of the major shear that wraps around Copperfield granite dome (Figure 8). Particularly the intersection zones between two shears or zones where early basin faults intersect the major shear zone. The company is currentlydrilling the Astro-Quasar-Dickson prospects which are adjacent to the major shear zone along the contact of the Copperfield granite. The contact is widely mineralised. Ballard Mining will target conduct additional drilling along the contact zones based on the structural information provided by Dr Jones. 9 ASX: BM1 ballardmining.com.au Figure 8 - Structural model showing development of the Mt Ida area with prospective zones highlighted in blue Astro-Quasar Prospects Dickson Prospect 10 ASX: BM1 ballardmining.com.au Project Background The Mt Ida Gold Project hosts a JORC 2012-compliant Mineral Resource Estimate totalling 10.3 million tonnes @ 3.3 g/t Au for 1.1 million ounces4 of contained gold. The Baldock deposit, which hosts 930koz @ 4.1 g/t4 forms the basis for future development opportunities at Mt Ida. Figure 9 - Ballard’s Mt Ida Gold Project, located in Western Australia’s Goldfield Region A 130,000m drill program is underway across the Project, targeting highly prospective and underexplored zones along the 26km strike of both the Baldock Thrust and the Ballard Fault. The Project includes six granted mining leases and is fully permitted for mining including an approved Mining Proposal, Mine Closure Plan and Native Vegetation Clearing Permit. Mining approvals are in place for both open pit and underground mining at the Baldock deposit. A Works Approval for up to 2.0 Mtpa Processing and Tails Storage Facility has been received and a 3.7 GL/yr water abstraction license is pending. -END- 4 Refer to the Ballard IPO Prospectus lodged with ASIC and dated 30 May 2025 (as amended by the Supplementary Prospectus lodged with ASIC and dated 17 June 2025) for further information on the MRE 11 ASX: BM1 ballardmining.com.au This release is authorised by the Board of Directors of Ballard Mining Limited. For further information visit our website at ballardmining.com.au or contact: PAUL BRENNAN Managing Director info@ballardmining.com.au About Ballard Mining Ballard Mining Limited (ASX: BM1) is an exploration and development company focused on advancing its Mt Ida asset towards production. With current JORC compliant resources of 10.3Mt @ 3.3 g/t Au, strong balance sheet and an experienced team driving the project development, Ballard is pursuing a growth and development strategy. The Mt Ida Project has high grade gold resources with 93% located on granted mining leases. The main Baldock area has received full open cut and underground mining approvals with a Works Approval for a 2.0 Mtpa Processing Plant and Tailings Storage Facility. Ballard is rapidly advancing the Mt Ida Project through a dual stream plan to increase confidence in the current MRE and increase the global resource inventory via an aggressive exploration program. All modifying factors will be advanced simultaneously. Competent Person's Statement Information in this announcement that relates to exploration results is based upon work undertaken by Mr Todd Hibberd, a Competent Person who is a Member of the Australasian Institute of mining and Metallurgy (AusIMM). Mr. Hibberd has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking 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’ (“JORC Code”). Mr. Hibberd consents to the inclusion in this announcement of the matters based on his information in the form and context in which it appears. Past Exploration results and Mineral Resource Estimates reported in this announcement have been previously prepared and disclosed by Ballard in accordance with the JORC Code in its Prospectus lodged with ASIC and dated 30 May 2025 (as amended by the Supplementary Prospectus lodged with ASIC and dated 17 June 2025) (the Prospectus). The Company confirms that it is not aware of any new information or data that materially affects the information included in the Prospectus. The Company confirms that the form and content in which the Competent Person's findings are presented here have not been materially modified from the Prospectus, and all material assumptions and technical parameters underpinning Mineral Resource Estimates in the Prospectus continue to apply and have not materially changed. Refer to the Prospectus for further information. Disclaimer This release may include forward-looking and aspirational statements. These statements are based on Ballard management’s expectations and beliefs concerning future events as of the time of the release of this announcement. Forward-looking and aspirational statements are necessarily subject to risks, uncertainties and other factors, some of which are outside the control of Ballard, which could cause actual results to differ materially from such statements. Ballard makes no undertaking to subsequently update or revise the forward looking or aspirational statements made in this release to reflect events or circumstances after the date of this release, except as required by applicable laws and the ASX Listing Rules. 12 ASX: BM1 ballardmining.com.au Appendix A: April 20255 Mineral Resource Estimate 5 Refer to the Ballard IPO Prospectus lodged with ASIC and dated 30 May 2025 (as amended by the Supplementary Prospectus lodged with ASIC and dated 17 June 2025) for further information on the MRE Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces (000s) g/t Au (000s) (000s) g/t Au (000s) (000s) g/t Au (000s) Baldock 2,600 4.5 365 1,570 3.6 200 4,120 4.2 563 Kestrel - - - 940 1.6 48 940 1.6 48 Golden Vale - - - 496 1.7 27 496 1.7 27 Bombay 711 1.3 30 711 1.3 30 West Knell 238 3.3 25 238 3.3 25 Jupiter 50 1.7 3 50 1.7 3 Mt Ida Tailings - - - 500 0.5 8 500 0.5 8 Baldock 242 4.8 37 2,610 4.0 338 2,850 4.0 368 Kestrel - - - 80 1.8 5 80 1.8 5 Bombay 30 3.0 3 30 3.0 3 West Knell 192 2.4 15 192 2.4 15 Jupiter 90 2.7 8 90 2.7 8 Baldock 2,840 4.5 402 4,220 3.9 532 7,000 4.1 930 Kestrel - - 1,000 1.7 53 1,000 1.7 53 Golden Vale - - - 496 1.7 27 496 1.7 27 Bombay 740 1.4 33 740 1.4 33 West Knell 420 2.9 40 420 2.9 40 Jupiter 140 2.3 11 140 2.3 11 Mt Ida Tailings 500 0.5 8 500 0.5 8 Total 2,840 4.5 402 7,500 3.0 699 10,310 3.3 1,102 Total Open cut Au 0.5 g/t Underground Au 1.5 g/t All Cut off Deposit Indicated Inferred 13 ASX: BM1 ballardmining.com.au Appendix B: Recent Project Data Appendix B1: Recent Significant Intercepts reported in this announcement * Blank Cu values indicate that Cu assays have not yet been received Hole ID From To Length Gold g/t Copper ppm BMEX018 76 77 1 0.52 128 BMEX020 20 25 5 0.68 114 and 30 32 2 0.75 169 BMEX022 79 80 1 1.2 218 BMEX024 76 77 1 0.9 249 BMEX030 52 53 1 4.68 1100 BMEX031 18 19 1 1.06 655 and 41 42 1 0.58 741 BMEX032 64 66 2 1.53 280.5 BMEX033 88 89 1 0.78 275 BMEX034 29 30 1 0.58 548 and 82 88 6 0.85 91 BMEX035 34 35 1 0.67 1120 BMEX036 36 44 8 0.58 346.38 and 56 57 1 0.62 261 BMEX037 45 47 2 0.72 152.5 and 81 83 2 1.37 656 and 96 97 1 0.7 1570 BMEX038 26 27 1 0.89 854 BMEX041 60 64 4 1.26 400 BMEX043 29 30 1 17.29 1785 BMEX044 66 67 1 0.61 364 BMEX047 68 70 2 0.71 196 BMEX048 40 41 1 3.73 8590 BMEX049 100 101 1 0.71 3810 BMEX051 19 20 1 0.66 123 BMEX052 62 66 4 0.5 203 BMEX054 76 80 4 1.38 252 BMEX055 41 43 2 0.94 364 BMEX056 77 80 3 1.75 633 BMEX058 52 53 1 0.56 49 BMEX059 62 63 1 0.72 214 BMEX060 23 24 1 2.41 900 and 95 99 4 0.77 567 BMEX063 68 72 4 0.62 604 and 76 77 1 1.42 2220 and 80 81 1 0.52 912 14 ASX: BM1 ballardmining.com.au Hole ID From To Length Gold g/t Copper ppm BMEX064 41 42 1 0.52 227 BMEX065 26 30 4 0.53 920 37 38 1 0.56 245 BMEX067 60 61 1 0.5 408 BMEX068 60 61 1 1.18 324 BMEX069 50 52 2 0.98 925 BMEX071 19 23 4 0.99 505 and 57 58 1 2.55 289 BMEX072 30 38 8 1.83 481 and 56 57 1 2.6 707 BMEX077 55 56 1 0.59 218 BMEX078 54 55 1 1.7 266 and 69 70 1 1.69 1015 and 125 127 2 1.16 812 BMEX019 NSI BMEX021 NSI BMEX023 NSI BMEX025 NSI BMEX026 NSI BMEX027 NSI BMEX028 NSI BMEX029 NSI BMEX039 NSI BMEX040 NSI BMEX042 NSI BMEX045 NSI BMEX046 NSI BMEX050 NSI BMEX053 NSI BMEX057 NSI BMEX061 NSI BMEX062 NSI BMEX066 NSI BMEX070 NSI *NSI = No significant intersection 15 ASX: BM1 ballardmining.com.au Appendix B2: Collar Information for holes reported in this announcement Hole ID Depth East North RL Azi Dip BMEX016 108.0 257,229 6,782,682 449.263 241.26 -55.4 BMEX017 114.0 258,940 6,785,534 438.338 269.74 -60.11 HoleID Depth East North RL Azi Dip BMEX018 108 258,983 6,785,534 437 269 - 60 BMEX019 90 258,945 6,785,453 437 269 - 60 BMEX020 126 258,980 6,785,453 436 269 - 60 BMEX021 90 258,963 6,785,356 434 270 - 60 BMEX022 120 258,981 6,785,356 434 269 - 61 BMEX023 66 257,623 6,783,807 464 269 - 55 BMEX024 102 257,665 6,783,799 466 269 - 56 BMEX025 60 257,623 6,783,760 463 267 - 55 BMEX026 102 257,659 6,783,757 464 269 - 56 BMEX027 60 257,623 6,783,718 460 268 - 55 BMEX028 108 257,651 6,783,713 460 267 - 55 BMEX029 60 257,612 6,783,672 455 267 - 56 BMEX030 66 257,273 6,782,848 447 254 - 56 BMEX031 72 257,259 6,782,882 447 253 - 56 BMEX032 72 257,436 6,782,985 448 258 - 56 BMEX033 114 257,463 6,782,984 448 257 - 56 BMEX034 114 257,437 6,783,019 448 259 - 56 BMEX035 144 257,454 6,783,023 448 259 - 55 BMEX036 96 257,409 6,783,058 447 260 - 56 BMEX037 185 257,447 6,783,065 448 260 - 55 BMEX038 149 257,402 6,783,098 447 259 - 55 BMEX039 119 257,441 6,783,117 447 260 - 55 BMEX040 125 252,724 6,779,639 468 55 - 61 BMEX041 95 252,757 6,779,615 468 55 - 59 BMEX042 47 252,822 6,779,664 468 55 - 60 BMEX043 65 252,866 6,779,576 469 56 - 60 BMEX044 125 252,819 6,779,541 469 54 - 66 BMEX045 89 252,623 6,779,903 467 54 - 60 BMEX046 113 252,588 6,779,889 466 57 - 60 BMEX047 89 252,572 6,779,971 468 54 - 59 BMEX048 65 252,497 6,780,029 465 53 - 60 BMEX049 131 252,532 6,779,937 466 54 - 60 BMEX050 126 252,464 6,780,001 464 56 - 61 BMEX051 60 253,027 6,779,253 472 55 - 60 BMEX052 102 252,993 6,779,228 470 54 - 60 BMEX053 60 253,139 6,779,140 469 54 - 60 BMEX054 102 253,087 6,779,096 469 54 - 60 BMEX055 83 251,468 6,781,161 458 53 - 59 16 ASX: BM1 ballardmining.com.au Hole ID Depth East North RL Azi Dip BMEX056 119 251,439 6,781,147 458 55 - 60 BMEX057 83 251,440 6,781,191 458 53 - 60 BMEX058 89 251,418 6,781,221 458 54 - 60 BMEX059 83 251,398 6,781,245 459 52 - 60 BMEX060 119 251,349 6,781,214 459 53 - 60 BMEX061 83 251,377 6,781,274 459 54 - 59 BMEX062 143 251,329 6,781,244 459 54 - 60 BMEX063 113 251,301 6,781,313 459 53 - 54 BMEX064 119 251,279 6,781,305 459 52 - 60 BMEX065 89 251,297 6,781,414 458 54 - 60 BMEX066 119 251,262 6,781,389 458 54 - 60 BMEX067 89 251,190 6,781,604 456 53 - 60 BMEX068 119 251,159 6,781,581 456 52 - 60 BMEX069 89 251,211 6,781,555 456 52 - 60 BMEX070 119 251,182 6,781,535 456 53 - 60 BMEX071 83 251,242 6,781,528 456 53 - 61 BMEX072 83 251,263 6,781,495 456 53 - 61 BMEX077 119 251,069 6,781,732 455 55 - 60 BMEX078 155 251,041 6,781,699 455 52 - 61 17 ASX: BM1 ballardmining.com.au Appendix C: JORC Code, 2012 Edition The following table provides a summary of important assessment and reporting criteria used for the reporting of the Mt Ida Lithium Project Mineral Resource in accordance with the Table 1 checklist in The Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves (The JORC Code, 2012 Edition) on an ‘if not, why not’ basis. JORC Table 1: Section 1: Sampling Techniques and Data Criteria 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 • Gold sampling activities carried out by Ballard Mining at the Mt Ida Project include reverse circulation (RC)and diamond (DD) drilling. • RC samples were collected from a static cone splitter mounted directly below the cyclone on the rig; DD sampling was carried out to lithological/alteration domain with lengths between 0.3-1.1m • Limited historical data has been supplied, historic sampling has been carried out by Delta Lithium, Hammill Resources, International Goldfields, La Mancha Resources, Eastern Goldfields and Ora Banda Mining, Hawk Resources and has included RC, DD, rotary air blast (RAB) drilling, rock chip and soil sampling. • Sampling of historic RC has been carried out via riffle split for 1m sampling, and scoop or spear sampling for 4m composites, historic RAB drilling was sampled via spear into 4m composites • Historic core has been cut and sampled to geological intervals • These methods of sampling are considered to be appropriate for this style of exploration • No records are available on the exact methodology of historic rock chip / grab /soil sampling • It is assumed that these were collected and assayed using industry standard practices 18 ASX: BM1 ballardmining.com.au Criteria Explanation Commentary 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). • RC Drilling has been carried out by Orlando Drilling, Frontline Drilling & PXD, RC drilling utilised an Explorac 220RC rig, T66 Schramm RC Rig with a 143 mm face sampling hammer bit, DD drilling was completed by a truck mounted Sandvik DE820 and a KWL 1500 and has been a combination of PQ2, HQ2 and NQ2 diameter. • Diamond tails average 200-300m depth • Historic drilling has been completed by various companies including Kennedy Drilling, Wallis Drilling, Ausdrill and unnamed contractors • Historic DD drilling was NQ sized core • It is assumed industry standard drilling methods and equipment were utilised for all historic drilling 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. • Sample condition is recorded for every RC drill metre including noting the presence of water or minimal sample return, inspections of rigs were carried out daily • Recovery on diamond core is recorded by measuring the core metre by metre • Limited sample recovery and condition information has been supplied or found for historic drilling 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. • Quantitative and qualitative geological logging of drillholes adheres to company policy and includes lithology, mineralogy, alteration, veining and weathering • Diamond core logging records lithology, mineralogy, alteration, weathering, veining, RQD, SG and structural data • All RC chip trays, and drill core are photographed in full • A complete quantitative and qualitative logging suite was supplied for historic drilling including lithology, alteration, mineralogy, veining and weathering • It is unknown if all historic core was oriented, limited geotechnical logging has been supplied • No historic core or chip photography has been supplied • Historic comments on logging are very useful in to verify geological details between lithologies. • Logging is of a level suitable to support Mineral resource estimates and subsequent mining studies 19 ASX: BM1 ballardmining.com.au Criteria Explanation Commentary 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. • DD sampling is undertaken by lithological/alteration domain to a maximum of 1.1m and a minimum of 0.3m. Core is cut in half with one half sent to the lab and one half retained in the core tray • Occasional wet RC samples are encountered; extra cleaning of the splitter was carried out afterward • Should over 6 samples in a row be wet, the hole will be abandoned if it is aimed to be used in an MRE, with the intention of Diamond tailing it to retain sample quality. • RC and DD samples have been analysed for Au by 50g fire assay in the past by ALS, Nagrom, NAL and SGS, and via photon assay by ALS • Samples analysed by via fire assay at ALS, Nagrom, NAL and SGS were dried, crushed and pulverised to 80% passing 75 microns before undergoing a selected peroxide fusion digest or 4 acid digest with ICPMS finish or fire assay with ICPMS finish • Samples are now analysed via photon assay at ALS are dried and crushed to 3mm with 500g of material utilised for the analysis • An ICP finish is completed post-Photon to determine values of other analytes ie Cu, As, S etc) • Ballard have recently amended the Photon methodology to carry out analysis on Pulverised material rather than crushed material, studies suggest the results are comparable. • RC duplicate field samples were carried out at a rate of 1:20 and were sampled directly from the splitter on the rig. These were submitted for the same assay process as the primary samples and the laboratory are unaware of such submissions • The sampling methodology allows for select manual duplicates of known graded zones to improve QAQC • Historic chip sampling methods include single metre riffle split and 4m composites that were either scoop or spear sampled, while historic core was cut onsite and half core sampled • Historic samples were analysed at LLAS, Genalysis and unspecified laboratories • Historic Au analysis techniques generally included crushing, splitting if required, and pulverisation, with aqua regia or fire assay with AAS finish used to determine concentration 20 ASX: BM1 ballardmining.com.au Criteria Explanation Commentary 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. Nature of quality control procedures adopted (eg standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established. 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. • Samples have been analysed by external laboratories utilising industry standard methods • The assay methods utilised by ALS, Nagrom, NAL and SGS for RC chip and core sampling allow for total dissolution of the sample where required • Photon assay is a non-destructive total analysis technique • Standards and blanks are inserted at a rate of 1 in 20 in RC and DD sampling, All QAQC analyses were within tolerance • QAQC reviews are completed on a monthly basis with any fails being investigated thoroughly in conjunction with the lab. • All historic samples are assumed to have been prepared and assayed by industry standard techniques and methods • Limited historic QAQC data has been supplied, industry standard best practice is assumed 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, data storage (physical and electronic) protocols. Discuss any adjustment to assay data • Significant intercepts have been reviewed by senior personnel • No specific twinned holes have been completed, but drilling has verified historic drilling intervals • Primary data is collected via excel templates and third-party logging software with inbuilt validation functions, the data is forwarded to the Database administrator for entry into a secure SQL database. Historic data was supplied in various formats and has been validated as much as practicable • No adjustments to assay data have been made • Data entry, veri