Announcement PDF ASX Announcement 25 August 2025 Drilling Approval and New Geophysical Targets - Mt Carrington Project New gold-copper and critical mineral targets across 1.2Moz1 Gold-Eq. Project Drilling to Recommence across the Mt Carrington Project (Drake) • Drilling approvals have been received from the NSW Government, with land access in place for up to nine holes and 4,500m of diamond drilling at the gold and copper Battery Prospect. • The new drilling will target untested areas and build on the 3,000+ historical drill holes and over 100,000m of drilling conducted across Mt Carrington Area, which returned intercepts including i: o 12.82m at 48g/t Au and 2,589g/t Ag from 16m (DDH006 – ALA75); o 18.9m at 5.8% Cu from 58m and 10.1m at 7.26% Cu from 88m (KYDD001 – ALA75). o • 118m at 1.71g/t Au, 6.9g/t Ag, and 1.12% Zn from 2m (KYDD003 – ALA75); and This forms part of the first phase plans to drill test the Battery, Mascotte, and Emu Prospects over the coming months, and staged drilling at Red Rock, Kylo, Strass, and White Rock pending cultural heritage clearances. Geophysical Review Completed • A detailed Airborne MT data review is complete, and compelling targets have been identified. • Review was completed by an expert closely familiar with the MT survey data used by K92 Mining Inc on the world-class Kainantu Mineiv. • Reprocessing of historical geophysics highlights a significant opportunity for near-mine discoveries with chargeability features extending to depth below known mineralisation and existing resources remain untested and present compelling target opportunities. Strong Cash Position to Advance Project $7.75M equity raising completed ii. Figure 1. Drill targets, historical copper and gold mines, Mobile MT Resistivity 2D Inversion Section for Line 2290 and new areas of interest (yellow marker) with interpretation of MT features. 1. See Appendix A and B for Resource and Metal Equivalents, See ‘Endnotes’ Page 45 for references Page 1 of 45 | ABN 43 650 398 897 3/202 Russell Street Bathurst, 2795 www.legacyminerals.com.au ASX: LGM Page 2 of 45 Legacy Minerals Holdings Limited (ASX: LGM, “LGM”, “the Company” or “Legacy Minerals”) is pleased to report an drilling approval and new geopjysical targets for the Mt Carrington (Drake) Epithermal Gold-Silver Project in NSW (EL6273, EL9616, EL9727, ALA75). Management Comment Legacy Minerals CEO & Managing Director, Christopher Byrne said: “We are pleased to announce the commencement of the next phase of exploration at the Mt Carrington Project, near Drake, with several significant milestones being achieved. This work further highlights the prospectivity of the Project, demonstrated through the 1.2 million ounces of goldequivalent resources on the Project, of which almost half of the resource is critical minerals, and the 3,000-plus mine workings across the Project Area. This significant historical production makes it one of the longest-lived mining districts in Australia, with production spanning from 1858 to the closure of the last operational mine in 1993. We have received our first drilling approvals from the NSW Government, which will test the new geophysics targets at the gold and copper Battery Prospect. This drilling will build on the extensive historical data collected by previous companies, including over 100,000m of drilling and 4,000 drill holes across the wider Mt Carrington Project. Previous drilling has delivered spectacular intercepts, including 12.82m at 48g/t Au and 2,589g/t Ag from 16m and 18.9m at 5.8% Cu from 58m and 10.1m at 7.26% Cu from 88m. Coupled with the new data and interpretation completed by geophysical experts who have worked on world-class deposits such as the 18Moz AuEq Kainantu Mine in PNG iii, these historical high-grade results give confidence to the targets and discovery potential of the project. 2F Our ongoing exploration programs are well-funded following a successful $7.75 million capital raise. This raising received exceptionally strong support from investors, reflecting the very strong quality of the Company’s asset portfolio and exploration programs.” Geophysics Reprocessing and Expert Review Advanced Airborne MT For the first time in over 30 years, airborne geophysics was flown over the entire 298km2. Legacy Minerals engaged Expert Geophysics Limited (EGL) to conduct the Airborne MT electromagnetic and magnetic survey by helicopter utilising their proprietary MobileMT system. MobileMT is the latest generation of airborne AFMAG technologies, designed in 2017 by the inventor of the Z-Axis Tipper Electromagnetic (ZTEM) system. Electromagnetic and magnetic data were collected along east-west survey lines, nominally spaced at 200m, and north-south tie lines nominally spaced at 2,000 m for a total of 1,642 line-kms. Aimex Geophysics Pty Ltd (Aimex) was engaged to help interpret the new survey data. The consultant has a strong history of interpreting this type of survey data, including having previously worked intimately with the K92 and Tolu exploration teams to great success in Papua New Guinea (PNG) iv. 3F Consultant Interpretation Target Overview Mt Carrington Porphyry Halo: A 10km strike length conductivity, part of a major deep-set structure that continues a further 10km north. Closer to surface (300m depth), this anomaly is interpreted to be the eastern alteration segment of the Mt Carrington porphyry core. The Mt Carrington drillholes and Resource occurs within the northern segment of the anomaly. Near surface conductivity anomalies east of the Mt Carrington drillholes and alteration zone represent new areas of interest for further assessment and drill testing. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 3 of 45 Figure 2. Interpreted Mobile-MT targets and major trends with new interpretation of nested caldera setting. Figure 3. Mobile MT Resistivity 2D Inversion Section for Line 2000 with interpretation of MT features. Emu Creek Intrusive Complex (DRK02): The DRK02 Emu Creek Resistivity core is defined by a (Very Low Frequency Electromagnetic) VLF conductivity anomaly of 2.5km diameter with a high conductivity halo. There is an outer Western alteration halo defined by a magnetic intrusive and further to its south, a magnetic low. The eastern Emu halo is defined by higher conductivities interpreted to be related to alteration. Battery Creek (DRK05): This target area occurs as a distinct magnetic intrusive interpreted associated with the interpreted Lunatic Field Porphyry high resistivity core. This target is defined by a 3.4km diameter volcanic centre and is also a potential breccia pipe with a nearer surface conductive blanket. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 4 of 45 Red Rock Intrusive: Conductivity anomaly at surface with depth extent, trending SSW at its centre, with historical drillholes flanking its northern boundary. It has an outer 2.5km low conductivity halo. Figure 4. Interpreted deep-set structure and lineaments on 3D MT conductivity (201 to 1700ohm.m). Figure 5. Mobile MT Resistivity 2D Inversion Section for Line 2290 and new areas of interest (yellow marker) with interpretation of MT features. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 5 of 45 Mascotte Lineament: Near surface conductivity anomaly and a district conductivity lineament in its north near known mineralisation and historical workings. White Rock Porphyry Halo: A 4.5km x 1.7km conductivity anomaly below 400m depth, interpreted to be an alteration Halo on the western flank of the interpreted Mount Carrington Porphyry - high resistivity core. The Halo target has a surficial magnetic response. Drilling targets include near surface conductivity epithermal signatures, further east of existing drillholes. Figure 6. MT image (-800m RL) showing interpreted caldera lineaments and targets. Historical Geophysics Reprocessed The 2015 MIMDAS 100m pole-dipole survey over Mt Carrington has been reprocessed and modelled in 3D along with the previous 50m pole-dipole data by Mitre Geophysics Pty Ltd. The modelling shows that the distribution of chargeability is probably more complex than previously thought, and certainly more complex than can be captured in historically produced 2D models. Generating a 3D merged model of the existing IP over Mt Carrington has shown that most of the known ore zones are associated with clear chargeability and low resistivity responses and many of these remain untested. Drilling around the MIMDAS IP lines appears to not have tested the main chargeability highs possibly because due to the responses being more complex than the 2D models could capture. Comparing the chargeability with the drilling, it appears most of the known ore appears to be within or nearby to highly chargeability areas. This is an encouraging observation as there are many large, strong chargeability anomalies that have not been tested. The Lady Hampden deposit on the northern end of the Silver King silver mineralisation trend an exception as it does not have a chargeability response however it does have a low resistivity and MT response, possibly due to the massive sulphides. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 6 of 45 A number of holes were targeted on 2D MIMDAS chargeability models. Modelling in 3D shows that the deepest hole, WCDD003, appears to have only glanced the edge of the deep chargeability high in the western end of the survey area. The strongest chargeability and lowest resistivity are to the north, and essentially remain untested. Figure 7. Isosurfaces (Chg3D 12) of chargeability and survey line locations over the Mt Carrington area. Figure 8. Oblique view looking north of 3D merged model of existing IP over Mt Carrington, showing isosurfaces (Chg3D 12) and historical drill traces. Note that WCDD003 drillhole in the western end of the survey area appears to miss the main chargeability high at the porphyry target area. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 7 of 45 Figure 9: Cross section of 3D merged model of existing IP over Mt Carrington and historical drill trace WCDD003. Note that WCDD003 drillhole appears to miss the main chargeability high at the porphyry target area and is located approximately 250m to the south of the modelled chargeability feature. Target Development - Battery Creek Historical reports from CRA Exploration (CRAE) in 1992 highlighted an area of anomalous quartz and limonite staining identified through geological mapping and reconnaissance soil sampling. It was initially thought the anomalism was contained within an immature conglomerate unit and its contact with neighbouring siltstone and porphyritic andesite. However, two CRA reconnaissance holes identified that the previously interpreted conglomerate unit was instead a mafic intrusive breccia that contained intensely stockwork quartz veined and altered volcanic clasts consistent with epithermalporphyry style veining. Further drilling was proposed to test the breccia and breccia contacts however was never completed and the case for testing is now further supported with the return of airborne MT survey results highlighting an underlying elevated conductivity zone. Approved drilling will aim to test the zones proximal to the breccia contact and within the host volcanic sequence. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 8 of 45 Figure 10. Battery Creek geological interpretation and schematic showing interpreted target areas for drill testing (hatched areas) based on historic drill logging and surface mapping (after Houston, 1992 v). 4F Figure 11. Mobile MT Resistivity 2D Inversion Section for Line 2290 and new areas of interest (yellow marker) with interpretation of MT features. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 9 of 45 Future Work Figure 12. Mt Carrington Project showing deposits and major prospects. The Company is currently completing surface geochemical campaigns at Mt Carrington in follow up to the recently delivered Airborne MT data review. Results are expected within the 6 weeks. The exploration approach has three clear strategic goals: 1. Resource extension assessment: Test the brownfield targets at depth and along strike of highgrade gold, silver, and copper zones that target substantial Resource growth. 2. Discovery drilling – drilling to explore new greenfield epithermal-porphyry discoveries within the Drake Caldera including Battery, Emu and Mascotte. 3. Increase resource confidence by confirming historical drill results within existing Inferred Resources. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 10 of 45 Geological Overview The Mt Carrington Project sits within the highly prospective New England Fold Belt (NEFB), one of a number of epithermal gold, silver and base metal districts that formed along the east coast of Australia during the Permian age as back arc extensional volcanic basins. A number of major mines and deposits occur within the NEFB, including the Hillgrove Mine (1.7Moz AuEq @ 7.4g/t AuEq vi), Cracow gold mine (2.5Moz Au @ 4.97g/t) vii, Mt Carlton gold mine (1.2Moz Au, 12Moz Ag) viii, Mt Rawdon gold mine (2.5Moz Au ix), and Mt Morgan (8Moz Au x). 3F3F5F 2F4F4F6F 4F6F6F8F 3F5F5F7F 5F7F7F9F The Mt Carrington epithermal deposits are hosted by the Drake Volcanics, a NW-trending 60km x 10km Permian bimodal volcano-sedimentary sequence within the Wandsworth Volcanic Group near the north-eastern margins of the Southern New England Fold Belt. The Drake Volcanic sequence and associated intrusions are interpreted to be the source to the epithermal Au-Ag-Cu-Pb-Zn mineralisation developed Kylo and Strauss. The majority of the Drake Volcanics and associated mineralisation are centred within a large-scale circular caldera with a low magnetic signature which is 20km diameter. Previous exploration is limited to regional geophysics and surface geochemical sampling including stream sediment sampling, rock chip sampling, soil sampling and drill testing. The Project is centred on a poorly understood but regionally important, low-sulphidation, epithermal, gold, silver, zinc and copper mineralised system. The Porgera Goldfield and Kainantu deposit provide a good analogy for potential mineralisation and it’s setting to Mt Carrington in that gold-silver associated with galena-sphalerite forms marginal to felsic-intermediate domes and potentially mineralised porphyry’s within a caldera setting. Many recent discoveries feature settings where veins occur only in competent host rocks, which have fractured well but are obscured by overlying incompetent host rocks (El Penon, Chile; Palmarejo, Mexico; Hishikari, Japan). About the Mt Carrington Project The Mt Carrington Project contains three granted exploration licenses covering 390km2 and an Assessment Lease Application (ALA75) covering 0.46km2 over part of the Mt Carrington Area. An assessment lease authority exists as a ‘bridge’ between exploration and mining, where progression to mining status is reasonably foreseeable. The Project encompasses substantial infrastructure on the granted exploration licenses, including a tailings dam, grid easements, a 550ML water source, a site office, accommodation, a core shed, and core processing facilities. This Study covers resources and infrastructure contained across ALA75 and Exploration License EL6273. The Project has combined resources of 34Mt containing 1.2Moz of contained AuEq metal. Gold and silver are the dominant contained metals in the Resource (653koz Au, 24.3Moz Ag), with significant zinc content (147kt Zn) and lesser amounts of copper (20kt Cu) and lead (33kt Pb). A 2025 Scoping Study evaluated the potential development of 209.5koz at the Mt Carrington Group xi. The Scoping Study demonstrated the potential for the Project to produce ~31,400oz of gold per annum for a total of ~172,600 ounces of gold, at an "all-in sustaining cost" ("AISC") of ~A$1,726/oz over an initial five-and-a-half-year production period generate strong free cashflows averaging ~A$52.8 million pre-tax per annum during its first five years of operation, an IRR of 112% and a robust NPV of ~A$290.4 million. 10F SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 11 of 45 Approved by the Board of Legacy Minerals Holdings Limited. For more information: Investors: Chris Byrne CEO & Managing Director chris.byrne@legacyminerals.com.au +61 (0) 499 527 547 Media: Nicholas Read Read Corporate nicholas@readcorporate.com.au +61 (0) 419 929 046 About Legacy Minerals Legacy Minerals is an ASX-listed public company that has been exploring gold, copper, and base-metal projects in NSW since 2017. The Company projects present significant discovery opportunities for shareholders. Au-Ag Black Range (EL9464, EL9589) Extensive low-sulphidation, epithermal system with limited historical exploration. Epithermal occurrences across 30km of strike. Cu-Au Rockley (EL8926) Cu-Au Mt Carrington (EL6273, EL9616, EL9727, ALA75) Large caldera (~150km2) with similar geological characteristics to other major Pacific Rim low-sulphidation deposits. Au-Cu (Pb-Zn) Cobar (EL9511) Helix JV Prospective for porphyry Cu-Au and situated in the Macquarie Arc Ordovician host rocks with historic highgrade copper mines. Undrilled targets next door to the Peak Gold Mines and along strike of the CSA copper mine. Au-Ag Bauloora (EL8994, EL9464) Newmont JV Au Harden (EL9657) Hilltops JV One of NSW’s largest low-sulphidation, epithermal systems with a 27km2 epithermal vein field. Substantial historical gold production from two high-grade and poorly tested orogenic systems. Cu-Au Glenlogan (EL9614) S2 Resources JV Au-Cu Fontenoy (EL8995) Earth AI JV Untested porphyry search space located 55kms from Australia’s largest porphyry complex, Cadia Valley. A highly prospective and underexplored area for PGE, Ni, Au and Cu mineralisation with significant drill intercepts. Cu-Au Thomson (EL9190, EL9194, EL9728) Ni-Co Nico Young (ELA6901) A new and unexplored Intrusion-related gold and copper system search space with numerous ‘bullseye’ magnetic and gravity anomalies that remain untested. One of the largest nickel deposits in Australia with significant counter-cyclical exposure. Figure 13. Location summary of Legacy Minerals’ Projects in NSW, Australia, and major mines and deposits SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 12 of 45 DISCLAIMER AND PREVIOUSLY REPORTED INFORMATION Information in this announcement is extracted from reports lodged as market announcements referred to above and available on the Company’s website https://legacyminerals.com.au/. The Company confirms that it is not aware of any new information that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. This announcement contains certain forward-looking statements. Forward looking statements are only predictions and are subject to risks, uncertainties and assumptions which are outside of the control of Legacy Minerals Holdings Limited (LGM). These risks, uncertainties and assumptions include commodity prices, currency fluctuations, economic and financial market conditions, environmental risks, legislative, fiscal or regulatory developments, political risks, project delay, approvals and cost estimates. Actual values, results or events may be materially different to those contained in this announcement. Given these uncertainties, readers are cautioned not to place reliance on forward-looking statements. Any forward-looking statements in this announcement reflect the views of LGM only at the date of this announcement. Subject to any continuing obligations under applicable laws and ASX Listing Rules, LGM does not undertake any obligation to update or revise any information or any of the forward-looking statements in this announcement to reflect changes in events, conditions or circumstances on which any forward-looking statements is based. COMPETENT PERSON’S STATEMENT – LEGACY MINERALS PORTFOLIO The information in this Report that relates to Exploration Targets, Exploration Results, Mineral Resources or Ore Reserves is based on information compiled by Thomas Wall, a Competent Person who is a Member of the Australian Institute of Geoscientists. Mr Wall is the Technical Director and a full-time employee of Legacy Minerals Pty Limited, the Company’s wholly-owned subsidiary, and a shareholder of the Company. Mr Wall 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 Wall consents to the inclusion of the matters based on this information in the form and context in which it appears in this announcement. COMPETENT PERSON’S STATEMENT – MT CARRINGTON RESOURCE The information in this announcement that relates to production targets, assumptions on Modifying Factors and evaluation of other relevant factors is based on, and fairly represents information and supporting documentation that has been compiled under the supervision of Mr David Billington (Mining), a Competent Person who is a Member of the Australasian Institute of Mining and Metallurgy (AusIMM). Mr Billington is an employee and security holder of Mining Plus Pty Ltd. Mr. Billington has reviewed and approved the technical content of this announcement. Mr Billington 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 Mineral Resources and Ore Reserves’ (the JORC Code). Mr Billington consents to the inclusion in the report of the matters based on his information in the form and context in which it appears. The information in this announcement that relates to the Mineral Resource Estimate and classification of the Mt Carrington Project is based on information compiled by Kate Kitchen, who is a Member of the Australasian Institute of Mining and Metallurgy and a Member of the Australian Institute of Geoscientists. Kate Kitchen is an independent consultant employed full time by Mining Plus Pty Ltd. Kate Kitchen has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity which she 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 (‘the JORC code’). Kate Kitchen consents to the inclusion in the report of the matters based on the information in the form and context in which it appears. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Appendix A: Mt Carrington Mineral Resources xii 9F9F1F Prospect Classification Resource Tonnes and Grade Contained Metal Tonnes (Kt) Au (g/t) Ag (g/t) Cu% Pb% Zn% AuEq (g/t) Au (Koz) Ag (Koz) Cu (kt) Pb (kt) Zn (kt) AuEq (Koz) Indicated 2,818 1.1 3.1 0.09 0.07 0.6 1.5 98 281 2.5 2.0 16 136 Inferred 2,026 1.0 2.0 0.08 0.04 0.4 1.3 63 129 1.7 0.8 9 85 Indicated 2,842 1.1 2.1 0.07 0.05 0.4 1.4 103 191 2.0 1.4 11 128 Inferred 2,081 0.6 3.8 0.11 0.06 0.6 1.0 40 251 2.2 1.2 13 67 Guy Bell Inferred 2,512 0.7 2.3 0.16 0.08 0.6 1.2 58 188 4.0 2.1 15 97 Carrington Inferred 2,236 0.5 5.6 0.14 0.08 0.2 0.8 33 403 3.1 1.7 4 58 Lady Hampden Indicated 2,136 0.7 61.9 0.01 0.03 0.07 1.49 49 4,251 0.2 0.7 1.6 102 Inferred 2,125 0.7 35 0.01 0.04 0.08 1.17 50 2,388 0.2 0.8 1.7 80 Indicated 469 0.12 80 0.01 0.03 0.07 1.13 1.8 1,200 0.05 0.14 0.3 17 Inferred 106 0.05 53 0.01 0.02 0.05 0.72 180 0.2 0.01 0.02 0.1 2 Lead Block Inferred 215 0.21 44 0.01 0.03 0.08 0.79 1.5 307 0.02 0.07 0.2 5 Mt Carrington Group Total 19,566 1.1 15.2 0.08% 0.06% 0.37% 1.2 677.3 9589.2 15.98 10.93 71.9 777 White Rock North Inferred 2,039 0.05 70 0.01 0.14 0.11 0.99 3.5 4,592 0.3 2.8 2.3 65 White Rock Indicated 3,135 0.05 66 0.02 0.22 0.7 1.23 5.4 6,629 0.6 7 22.8 124 Inferred 1,051 0.08 37 0.02 0.16 0.6 0.85 2.6 1,258 0.2 1.7 6.5 29 White Rock Group Total 6,225 0.1 62.4 0.02% 0.18% 0.51% 1.1 12 12,479 1 12 32 218 Red Rock Inferred 8,605 0.5 7.4 0.04 0.12 0.49 0.8 144 2046 3.2 10.3 43 232 Total Resource Indicated 11,400 0.7 34.2 0.05% 0.10% 0.45% 1.4 257 12,552 5 11 52 507 Inferred 22,996 0.5 15.9 0.06% 0.09% 0.41% 1.0 396 11,742 15 22 95 720 Total 34,396 0.6 22.0 0.06% 0.10% 0.43% 1.1 653 24,294 20 33 147 1,227 Strauss Kylo Silver King All tonnages reported are dry metric tonnes. Minor differences may occur due to rounding to appropriate significant figures. AuEq calculated using the formula: AuEq = Au + 0.00986xAg + 1.237237xCu + 0.3493xZn + 0.2784xPb. Formulas calculated using silver price of A$43/oz, gold price of A$3,600/oz, copper price of A$14,000/t, zinc price of A$4,200/t and lead price of A$3,150/t. In the opinion of the Company, all elements included in the metal equivalent calculation have a reasonable potential to be sold and recovered based on current market conditions and metallurgical test work up to 2017. SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Appendix B – Drill hole collar details Table 1. Drill hole collar details (GDA95z56) Hole ID Type Easting Northing Elevation Azimuth (True) Dip EOH Depth (m) WCDD003 DD92BA1 DD92BA2 DD DD DD 436946 443416 443383 6801268 6807280 6807464 556 525 510 252 227.5 42.3 -80 -45 -46 803.8 100 100 Appendix C: JORC Tables Section 1 Sampling Techniques and Data Criteria JORC Code explanation Commentary Sampling techniques Nature and quality of sampling (e.g. 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 (e.g. ‘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. Drilling The deposits have been drilled and sampled by diamond coring, reverse circulation drilling and open hole percussion drilling. • Recent diamond drilling by White Rock Minerals and Rex Minerals was completed at Strauss, Guy Bell, Lady Hampden and Silver King deposits. • Historic diamond drilling, reverse circulation drilling and percussion drilling was conducted by Aberfoyle Ltd, Mt Carrington Mines Ltd, CRA Exploration Pty Ltd and Drake Resources Ltd between 1980 and 2005 at Kylo, Strauss, Guy Bell, Lady Hampden and Silver King deposits. • Exploration drilling and sampling data was stored in an external SQL database managed by IO Digital. The database utilised industry standard data validation routines. Sampling • Sampling of the deposits has consisted of diamond drilling (mainly HQ and NQ with minor PQ), Sampling was undertaken at 1m intervals unless defined otherwise by geological characteristics. • Reverse circulation drilling used face sampling hammers ranging in size from 5 ¼” to 10 ½ “and open hole percussion drilling. RC drill sampling is undertaken at 1m intervals. • Percussion holes have been routinely sampled at either 2.0 m or 3.0 m intervals. • Samples from diamond core were collected at intervals from 0.1 to 1.5 m with boundaries adjusted to changes in alteration, mineralisation or lithology. • Core samples were consistently selected from one side throughout the various drilling programs. • Core was split in half (or ¼ core PQ) by automated core saw to obtain a 3-4.5kg sample for external laboratory preparation and analysis with the oriented portion retained for future reference and testing. • Quarter coring is not performed for duplicate samples in order to maintain integrity of the primary sample, with a laboratoryprepared crushed duplicate of the half core preferred. • Historic sample preparation records were incomplete. Existing records showed that dry samples were split using a riffle or face SIGN UP TO LEGACY MINERALS’ INTERACTIVE INVESTOR HUB ASX: LGM Page 15 of 45 splitter to obtain two 1-2 kg samples. Wet samples were mixed and sampled by hand or split by rotary disc cutter, collected in a bucket, flocculated, filtered, and dried to a 3-5 kg subsample, which was then riffle split to obtain two 1-2 kg samples. Initial samples submitted to the laboratory were typically composited over 3m with 1m splits submitted in areas of interest. 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