Announcement PDF 4 August 2024 ASX Announcement Exploration Update – Copper-Gold and Base Metal Zones at Durnings Highlights: • • • • • • • • • 2,540m, 6-hole Reverse Circulation (RC) and diamond drill program completed. All holes intersected target zones within the polymetallic mineralised system Base Metals Zone DRDD0025 – 2.46m at 6.2% Pb+Zn, 6.8g/t Ag, 0.01% Cu from 297m downhole and 6.48m at 2.6% Pb+Zn, 4.3g/t Ag, 0.01% Cu and 0.04g/t Au from 283.52m downhole. DRDD0026 – 1.9m at 3.56% Pb+Zn, 13.9g/t Ag, 0.43% Cu and 0.22g/t Au from 272m downhole. • Copper-Gold Zone DRDD0027 – 1.9m at 2.9g/t Au, 0.80% Cu, 1.09% Pb+Zn and 9.33g/t Ag from 442m downhole. DRRCD0028 -14.5m 0.31g/t Au, 0.31 g/t Ag, 0.12 % Cu from 487.7m downhole. DRDD0029 – 28m at 0.32g/t Au, 0.07% Cu, 0.27% Pb+Zn,1.06g/t Ag from 156m and 17m at 0.38g/t Au, 0.22% Cu, 0.18% Pb+Zn, 1.47g/t Ag from 192m downhole. DRDD0030 - Results awaited. Assays expected in ~1-2 weeks. • • Durnings East 2,400m RC drilling program commenced. Durnings South and Durnings North The Durnings Prospect, part of Talisman Mining Limited (ASX: TLM, Talisman) 100% NSW Lachlan Project, is located approximately 25km north of Condobolin (Figure 1). TLM reported high-grade base and precious metal assay results from both the initial 6-hole RC drilling program (DRRC0006 to DRRC0011) and first follow up 13-hole (DRRC0012 to DRDD0024) drilling program completed in April 2024. (See ASX announcements 15 May, 14 December 2023 and 9 January, 29 April, 7 June 2024 for all technical details). Structural analysis of drill core and modelling of down-hole geophysics from these first two programs indicated that the zones of alteration and high grade mineralisation intersected had a generally steep dip and NE-SW orientation. Subsequent programs have been designed to test the target zones at an optimal drilling orientation. In the second follow up program, the subject of this announcement, a total of six RC and diamond drill-holes have been completed. All holes intersected the target mineralised horizons predicted from the geophysics models and structural interpretation. DRRCD0025 and DRDD0026 intersected the galena-sphalerite-silver rich horizon approximately 50 metres down dip of the strong base metal intercepts in the discovery hole DRRCD0006 and DRRCD0019 (Figure 2). Holes DRDD0027 and DRRCD0028, drilled up and down dip of a chalcopyrite-gold rich zone discovered by DRCCD0019, intersected narrow high-grade intervals extending the mineralised copper-gold zone up and down dip (Figure 3). Holes DRDD0029 and DRDD0030 targeted the Durnings North copper-gold zone. DRDD0029 intersected broad zones of low-grade mineralisation with narrower high grade lenses along strike and down dip from the discovery hole DRRC0001 and DRRCD0023 (Figure 4). Assay results for DRDD0030 are awaited from the laboratory. talismanmining.com.au 1 4 August 2024 ASX Announcement Zones intersected in the current drilling program are coincident with broad geophysical signatures which supports the interpretation of the NE-SW orientation of the mineralisation (Figure 2). Figure 1 – Durnings Prospect location plan highlighting prospect locations along the Eastern Cobar Basin. High-grade base metals and copper-gold deposits in the belt include CSA, Peak, Hera, Federation and Mineral Hill. Other Talisman tenure in the area (to the east and south-east of Cobar and north of Condobolin) is also shown. talismanmining.com.au 2 4 August 2024 ASX Announcement Figure 2 – Durnings Prospect showing Offset PDIP Survey chargeability (LHS) and resistivity (RHS) at 260m below surface. The chargeability and resistivity responses in the images correspond to the position of the intersection of the Copper-Gold Mineralised Trend and the Base Metals Mineralised Trend at Durnings. Note the position of drill holes DRDD0025, DRDD0026, DRRCD0027, DRRCD0028, DRDD0029 and DRDD0030 (this announcement) drilled to test the mineralisation perpendicular to the trend interpreted from geophysics. talismanmining.com.au 3 4 August 2024 ASX Announcement Figure 3 Durnings South Cross section B-B’ refer Figure 2. talismanmining.com.au 4 4 August 2024 ASX Announcement Figure 4 Durnings North Cross section A-A’ refer Figure 2. Next Steps 1. Receipt and reporting of assays from the completed drill hole DRDD0030. 2. Once all assays have been returned, detailed geological and structural analysis of the higher grade mineralisation within the broader low grade NE trending mineralised zones will be undertaken to identify further extensions capable of providing potentially economic mineralisation. Durnings East – Geophysical and soil geochemistry Target The Durnings East target is defined by. 1. Boad zones of near surface chargeability identified in the 2023 GAIP survey. 2. Anomalous auger geochemistry with four zones of multi-element pathfinders which coincide with GAIP chargeability and resistivity anomalies. These anomalies are located NE along the interpreted strike of the mineralised zone established at the Durnings North and Durnings South prospects. A planned ~ 2,400 m program of broad spaced RC drilling is underway at Durnings East and is expected to be completed and dispatched for analysis within the next four weeks. talismanmining.com.au 5 4 August 2024 ASX Announcement Management Comment Talisman’s Managing Director, Andrew Munckton, said: “The recently completed six hole follow up diamond drilling program at Durnings, successfully intersected the NE trending, broad zones of alteration containing the mineralisation with a 100% success rate. “The assay results received from the drilling to date indicate narrow lodes of high grade mineralisation within broader, sub-vertical envelopes of alteration. The linkage of these results to last year’s significantly wider, high grade drilling results in DRDD0019 and DRDD0023 result from drilling at an optimal angle to the mineralisation and indicate how variable the mineralisation in these types of geological settings can be. “We remain encouraged by the indicators of a large mineralised system at Durnings. We remain focused on finding the economically attractive deposits we believe the project holds and look forward to the next phase of exploration results from the recently commenced RC program at Durnings East.” “We look forward to assays from DRDD0030 and the Durning East program over the next several weeks.” –– Ends –– For further information, please contact: Andrew Munckton - Managing Director +61 4 3563 5598 Nicholas Read (Media inquiries) +61 4199 29046 This release has been authorised by the Board of Talisman Mining Limited. talismanmining.com.au 6 4 August 2024 ASX Announcement Table 1: Significant Intercepts Summary – Durnings (Hole DRDD0025-DRDD0029) Drillhole DRDD0025 DRDD0025 DRDD0025 DRDD0025 DRDD0025 DRDD0025 DRDD0025 DRDD0025 Including DRDD0025 DRDD0025 Including DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRDD0026 DRRCD0027 DRRCD0027 DRRCD0027 Including DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0027 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 Including DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRRCD0028 DRDD0029 DRDD0029 DRDD0029 Including DRDD0029 Including and DRDD0029 DRDD0029 DRDD0029 DRDD0029 DRDD0029 DRDD0029 DRDD0029 DRDD0029 DRDD0029 Type Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh Fresh From 289.5 345 440 459 341.4 458.55 162.3 283.52 289.5 297 345 345 192 272 315 333 368.85 192 272 289 315 272 283 289 315 329 442 443 234 332 397 442 333 367 392 443 309 348 356 407.8 487.71 501.74 309 407.8 472 487.71 495.59 309 320 388 406 100 105 156 169 192 195.3 202 101 156 193 67 84 154 168 176 193 To 290 348 442 459.38 345.5 459.38 163 290 299 299.46 345.5 345.35 193 273.9 315.5 334 369.3 193 273.9 289.5 315.5 273.9 284 289.5 318 333 443.9 443.9 235 333 398 443.9 334 379 393 443.9 309.7 349 357 408.62 502.25 502.25 309.7 408.62 473 488.24 502.25 313 336 389 409.33 102 106 184 170 209 196.18 205 102 158 205 68 85 156 169 177 194 Intercept 0.5 3 2 0.38 4.1 0.83 0.7 6.48 0.5 2.46 0.5 0.35 1 1.9 0.5 1 0.45 1 1.9 0.5 0.5 1.9 1 0.5 3 4 1.9 0.9 1 1 1 1.9 1 12 1 0.9 0.7 1 1 0.82 14.54 0.51 0.7 0.82 1 0.53 6.66 4 16 1 3.33 2 1 28 1 17 0.88 3 1 2 12 1 1 2 1 1 1 Au (g/t) 0.21 0.25 0.21 0.35 0.15 0.25 0.06 0.04 0.21 0.09 0.50 0.44 0.29 0.22 0.21 0.22 0.21 0.29 0.22 0.07 0.21 0.22 0.07 0.07 0.23 0.22 2.90 5.82 0.10 0.36 0.09 2.90 0.19 0.06 0.16 5.82 0.21 0.24 0.40 0.39 0.31 4.45 0.21 0.32 0.07 0.92 0.46 0.07 0.04 0.16 0.17 0.27 0.22 0.32 1.43 0.38 1.70 0.24 0.28 0.26 0.37 0.02 0.08 0.13 0.32 0.17 0.27 Ag (g/t) 37.20 1.43 0.47 4.47 1.55 3.04 28.60 4.30 37.20 6.82 4.79 39.50 2.57 13.90 8.80 2.24 2.49 2.57 13.90 5.72 8.80 13.90 3.07 5.72 0.88 4.56 9.33 14.45 0.93 11.35 2.27 9.33 12.95 1.81 26.00 14.45 6.08 0.84 1.30 17.70 0.35 1.39 6.08 14.51 0.44 1.34 0.37 2.81 1.74 4.47 5.85 1.12 0.20 1.06 1.21 1.47 3.65 1.60 1.50 2.19 1.69 2.79 3.60 1.35 0.55 1.11 2.90 Cu (%) 0.06 0.06 0.00 1.14 0.13 0.65 0.08 0.01 0.05 0.01 0.25 1.78 0.22 0.43 0.52 0.09 0.14 0.22 0.43 0.27 0.52 0.43 0.01 0.27 0.07 0.18 0.80 1.24 0.24 0.58 0.89 0.80 0.07 0.01 0.05 1.24 0.33 0.09 0.14 1.06 0.12 0.95 0.33 0.87 0.20 0.68 0.15 0.07 0.01 0.05 0.29 0.34 0.04 0.07 0.01 0.22 0.35 0.40 0.53 0.28 0.27 0.00 0.00 0.07 0.01 0.02 0.30 Pb (%) 10.75 0.20 0.01 0.22 0.18 0.16 5.32 1.07 10.80 1.86 1.13 1.13 0.11 1.93 0.16 0.28 0.02 0.11 1.93 0.35 0.16 1.93 0.55 0.35 0.01 0.16 1.05 2.07 0.00 0.18 0.02 1.05 0.51 0.44 5.70 2.07 0.72 0.14 0.16 9.17 0.00 0.00 0.72 2.66 0.00 0.01 0.00 1.07 0.44 2.10 1.17 0.00 0.00 0.10 0.04 0.12 0.08 0.05 0.00 0.11 0.14 0.57 0.62 0.51 0.04 0.34 1.21 Zn (%) 13.80 0.08 0.01 0.34 0.15 0.20 4.15 1.52 13.80 4.35 0.14 0.14 0.03 1.63 0.09 0.11 0.01 0.03 1.63 0.97 0.09 1.63 0.65 0.97 0.02 0.18 0.04 0.01 0.04 0.02 0.02 0.04 1.23 0.93 0.44 0.07 1.60 0.32 0.26 3.24 0.01 0.00 1.60 4.86 0.01 0.01 0.01 2.22 1.13 0.53 1.98 0.04 0.03 0.17 1.09 0.06 0.16 0.10 0.06 0.12 0.07 0.54 0.64 1.25 1.09 0.76 0.07 Pb+Zn (%) 24.55 0.28 0.02 0.56 0.33 0.36 9.47 2.60 24.60 6.21 1.27 6.42 0.13 3.56 0.25 0.39 0.03 0.13 3.56 1.31 0.25 3.56 1.19 1.31 0.02 0.34 1.09 2.14 0.04 0.20 0.03 1.09 1.74 1.37 6.14 2.14 2.32 0.46 0.42 5.93 0.01 0.01 2.32 7.52 0.01 0.02 0.01 3.30 1.58 2.63 3.15 0.05 0.03 0.27 1.13 0.18 0.24 0.08 0.06 0.22 0.21 1.11 1.26 1.77 1.13 1.10 1.28 Type Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Cu>0.2% Cu>0.2% PbZn>1% PbZn>1% PbZn>1% PbZn>1% Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Cu>0.2% Cu>0.2% Cu>0.2% Cu>0.2% PbZn>1% PbZn>1% PbZn>1% Au>0.2g/t Au>0.2g/t Au>0.2g/t Cu>0.2% Cu>0.2% Cu>0.2% Cu>0.2% PbZn>1% PbZn>1% PbZn>1% PbZn>1% Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Cu>0.2% Cu>0.2% Cu>0.2% Cu>0.2% Cu>0.2% PbZn>1% PbZn>1% PbZn>1% PbZn>1% Au>0.2g/t Au>0.2g/t Au>0.2g/t Au>0.2g/t Cu>0.2% Cu>0.2% Cu>0.2% PbZn>1% PbZn>1% PbZn>1% PbZn>1% PbZn>1% PbZn>1% talismanmining.com.au 7 4 August 2024 ASX Announcement Table 2: Drill-hole information summary - Durnings Details and coordinates of historical drill holes relevant to this release. Azimuth Exploration Licence Prospect Hole ID Hole Type Easting Northing RL Dip EL8660 Durnings DRRC0001 RC 505741 6386634 289 -75 12 186 EL8660 Durnings DRRC0002 RC 505894 6386759 291 -60 130 210 EL8660 Durnings DRRC0003 RC 505844 6386773 291 -59 132 216 EL8660 Durnings DRRC0004 RC 505793 6386837 293 -60 131 216 EL8660 Durnings DRRC0005 RC 505741 6386879 295 -58 132 210 EL8660 Durnings DRRCD0006 RC & DD 505927 6386293 287 -60 50 403.5 EL8660 Durnings DRRC0007 RC 505819 6386566 285 -61 47 238 EL8660 Durnings DRRCD0008 RC & DD 505691 6386868 294 -61 47 298.7 EL8660 Durnings DRRC0009 RC 505639 6387024 290 -60 51 322 EL8660 Durnings DRRCD0010 RC & DD 505829 6386739 289 -60 49 315.7 EL8660 Durnings DRRCD0011 RC & DD 505988 6386156 285 -60 50 328 EL8660 Durnings DRRC0012 RC 505988 6386344 283 -60 47 118 EL8660 Durnings DRRC0013 RC 505990 6386340 283 -60 56 214 EL8660 Durnings DRRC0014 RC 506049 6386395 281 -60 53 280 EL8660 Durnings DRRCD0015 RC & DD 506049 6386395 281 -60 228 423.7 EL8660 Durnings DRRC0016 RC 506079 6386420 280 -60 52 244 EL8660 Durnings DRRC0017 RC 505998 6386457 281 -60 50 214 EL8660 Durnings DRRC0018 RC 505936 6386406 282 -60 55 214 EL8660 Durnings DRRCD0019 RC & DD 506079 6386420 280 -75 236 452.9 EL8660 Durnings DRRCDD0020 RC & DD 506101 6386334 281 -75 232 326.8 EL8660 Durnings DRRCD0021 RC & DD 505988 6386457 281 -75 235 375.9 EL8660 Durnings DRRC0022 RC 506040 6386282 283 -75 236 304 EL8660 Durnings DRDD0023 DD 505749 6386641 289 -74 15 251.4 EL8660 Durnings DRDD0024 DD 505754 6386929 296 -55 51 249 EL8660 Durnings DRDD0025 DD 506188 6386283 280 -60 299.9 486.7 EL8660 Durnings DRDD0026 DD 506129 6386216 281 -60 299.65 454.2 EL8660 Durnings DRCDD0027 RC & DD 505727 6386407 286 -60 100 495.5 EL8660 Durnings DRRCD0028 RC & DD 505721 6386408 286 -64 100 550 EL8660 Durnings DRDD0029 DD 505696 6386721 290 -60 135 286.86 EL8660 Durnings DRDD0030 DD 505662 6386695 290 -60 135 265 (MGA 94) talismanmining.com.au EOH Depth 8 4 August 2024 ASX Announcement About Talisman Mining Talisman Mining Limited (ASX: TLM) is an Australian mineral development and exploration company. The Company’s aim is to maximise shareholder value through exploration, discovery and development of complementary opportunities in base and precious metals. Talisman has secured tenements in the Cobar/Mineral Hill region in Central NSW through the grant of its own Exploration Licenses and through a joint venture agreement. The Cobar/Mineral Hill region is a richly mineralised district that hosts several base and precious metal mines including the CSA, Tritton, and Hera/Nymagee mines. This region contains highly prospective geology that has produced many long-life, high-grade mineral discoveries. Talisman has identified several areas within its Lachlan Cu-Au Project tenements that show evidence of base and precious metals endowment which have had very little modern systematic exploration completed to date. Talisman believes there is significant potential for the discovery of substantial base metals and gold mineralisation within this land package and is undertaking active exploration to test a number of these targets. Talisman also has secured access to over 1040 km2 of highly prospective tenure in South Australia’s Gawler Craton known as the Mabel Creek Project. Mabel Creek is prospective for large scale Iron Oxide Copper Gold (IOCG) deposits and intrusion related rare earths and battery metals mineralisation. Mabel Creek is surrounded by similar tenure owned and being actively explored by Australia’s biggest resource companies including BHP, Rio Tinto and FMG. Competent Person’s Statement Information in this announcement that relates to Exploration Results and Exploration Targets is based on, and fairly represents information and supporting documentation compiled by Dr Tim Sharp, who is a member of the Australasian Institute of Geoscientists. Dr Sharp is a full-time employee of Talisman Mining Ltd and has sufficient experience which is relevant to the style of mineralisation and types of deposits under consideration and to the activities 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”. Dr Sharp has reviewed the contents of this announcement and consents to the inclusion in this announcement of all technical statements based on his information in the form and context in which they appear. Forward-Looking Statements This ASX release may include forward-looking statements. These forward-looking statements are not historical facts but rather are based on Talisman Mining Ltd.’s current expectations, estimates and assumptions about the industry in which Talisman Mining Ltd operates, and beliefs and assumptions regarding Talisman Mining Ltd.’s future performance. Words such as “anticipates”, “expects”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “potential” and similar expressions are intended to identify forward-looking statements. Forwardlooking statements are only predictions and are not guaranteed, and they are subject to known and unknown risks, uncertainties, and assumptions, some of which are outside the control of Talisman Mining Ltd. Past performance is not necessarily a guide to future performance and no representation or warranty is made as to the likelihood of achievement or reasonableness of any forward-looking statements or other forecast. Actual values, results or events may be materially different to those expressed or implied in this presentation. Given these uncertainties, recipients are cautioned not to place reliance on forward looking statements. Any forwardlooking statements in this announcement speak only at the date of issue of this announcement. Subject to any continuing obligations under applicable law and the ASX Listing Rules, Talisman Mining Ltd does not undertake any obligation to update or revise any information or any of the forward-looking statements in this announcement or any changes in events, conditions, or circumstances on which any such forward looking statement is based. talismanmining.com.au 9 4 August 2024 ASX Announcement Appendix 2 JORC Tables Section 1 & 2 Section 1 Sampling Techniques and Data (Criteria in this section apply to all succeeding sections) Criteria Sampling techniques Drilling techniques JORC Code explanation • 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 3kg 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 (e.g. submarine nodules) may warrant disclosure of detailed information. • Drill type (e.g. core, reverse circulation, openhole hammer, rotary air blast, auger, Bangka, sonic, etc) and details (e.g. 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). Commentary • • • • • • • • • Drill sample recovery • Method of recording and assessing core and chip sample recoveries and results assessed. RC Drilling samples are collected at either one metre or two metre intervals via a drill rig mounted cyclone and static cone splitter set to a 12% split to produce a nominal 4-7kg sample which was collected in a pre-numbered sample bag. RC samples undergo routine 2 metre composite pXRF analysis using a Olympus Vanta M-series to aid in logging and identifying zones of interest. Diamond core samples, either PQ, HQ3 or NQ2 in size diameter, were either cut in half longitudinally or a third longitudinally, using an automated Almonte core saw Core was placed in boats, holding core in place. Core sample intervals varied from 0.3 to 1.3m in length but were predominantly aligned to 1m intervals or with sample boundaries which respected geological contacts. Sampling is controlled by Talisman protocols and QAQC procedures as per industry standard and a chain of custody maintained through transfer to ALS Laboratories in Adelaide, SA. RC /DD samples were dried, crushed (where required), split and pulverised (total prep) to produce a master pulp. From this master pulp, a 0.25g sub sample was taken for multi-element analysis by four acid digest with an ICP-MS finish. A 30g sub sample was also taken for fire assay for gold with ICP-AAS finish RC drilling cited in this report was undertaken by Strike Drilling Pty Ltd using a LC36 (KWL 700) truck-mounted Reverse Circulation drill rig. A truck-mounted booster and compressor provided high pressure air with an auxiliary compressor used where ground conditions warranted. RC drilling was completed with a face sampling hammer of nominal 140mm size. Diamond Drilling cited in this report was undertaken by DDH1 Drilling Pty LTD ùsing an Evolution FH3000 or Multipurpose UDR1200 truck mounted rig. RC components in DRRCD0027 and DRRCD0028 was undertaken by the Multipurpose UDR 1200. The core was orientated using a Reflex Ez-Ori Tool. RC Drilling • • RC drill sample recovery is generally high with sample recoveries and quality recorded in the database by the logging geologist Sample recoveries were monitored in real-time by the presence of Talisman personnel at the drill site. talismanmining.com.au 10 4 August 2024 ASX Announcement Criteria JORC Code explanation • Logging 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. • • 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. RC Drilling Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc.) photography. • • • The total length and percentage of the relevant intersections logged. No known relationship exists between recovery and grade and no known bias exists. Diamond Drilling • • • • Core recovery data was recorded for each run by measuring total length of core retrieved against the downhole interval actually drilled and stored in the database. TLM representatives continuously monitor core recovery and core presentation quality as drilling is conducted and issues or discrepancies are rectified promptly to maintain industry best standards. RC logging records lithology, mineralogy, mineralisation, alteration, structure, weathering, colour and other primary features of the rock samples and is considered to be representative across the intercepted geological units. RC logging is both qualitative and quantitative depending on the field being logged. All RC drill-holes are logged in full to end of hole. All RC chip trays are photographed, and then stored onsite in the Lachlan Copper-Gold Project. All information collected is entered directly into laptop computers or tablets, validated in the field, and then transferred to the database. The level of logging detail is considered appropriate for exploration and to support appropriate mineral resource estimation, mining studies, and metallurgical studies. Diamond Drilling • • • • • • • DD logging is carried out on site once geology personnel retrieve core trays from the drill rig site. Core is collected from the rig daily. DD logging records lithology, mineralogy, mineralisation, alteration, structure, weathering, colour and other primary features of the rock samples and is considered to be representative across the intercepted geological units. All DD drill-holes are logged in full to end of hole. Drillhole collar coordinates, azimuth, dip, depth and sampling intervals are also recorded. DD logging is to geological contacts. DD logging is both qualitative and quantitative depending on the field being logged. Logging of diamond drilling includes geotechnical data, RQD and core recoveries. Drill core is photographed prior to any cutting and/or sampling, and then stored onsite in the Lachlan Copper Gold Project. Photographs are available for every diamond drillhole completed. All information collected is entered directly into laptop computers or tablets, validated in the field, and then transferred to the database. The level of logging detail is considered appropriate for exploration and to support appropriate mineral resource estimation, mining studies, talismanmining.com.au 11 4 August 2024 ASX Announcement Criteria JORC Code explanation Commentary and metallurgical studies. 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. RC Drilling • • • • • Diamond Drilling • • • • • • Quality of assay data and laboratory tests • • • RC samples were dried, crushed (where required), split and pulverised (total prep) to produce a 0.25g sub sample for base metal analysis or a 30g sub sample for gold analysis by fire assay. QAQC protocols for all RC sampling involved the use of Certified Reference Material (CRM) as assay standards. All QAQC controls and measures were routinely reviewed. Sample size is considered appropriate for geochemical sampling for base-metal and gold mineralisation given the nature of drilling and anticipated distribution of mineralisation. Field duplicates were collected at a 1 in 30 sample rate. Diamond drill core (NQ3, HQ or PQ) samples collected for analysis were longitudinally cut in half, and quarters for the QAQC samples using a using an automated Almnonte core saw. Core was placed in boats, holding core in place. Half core or quarter core sample intervals typically varied from 0.3m to 1.3m in length. 1m sample intervals were favoured and are the most common method of sampling, however sample boundaries do principally coincide with geological contacts. The remaining core was retained in core trays. DD samples were dried, crushed (where required), split and pulverised (total prep) to produce a 0.25g sub sample for base metal analysis or a 30g sub sample for gold analysis by fire assay. QAQC protocols for all DD sampling involved the use of Certified Reference Material (CRM) as assay standards. All QAQC controls and measures were routinely reviewed. Sample size is considered appropriate for geochemical sampling for base-metal and gold mineralisation given the nature of drilling and anticipated distribution of mineralisation. Field duplicates were collected at a 1 in 30 sample rate. The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. RC Drilling 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 (e.g. standards, blanks, • • • • • QAQC protocols for all RC sampling involved the use of certified reference materials as assay standards, inserted at a 1 in 50 sampling rate. Blank samples were inserted at a 1 in 50 sampling rate using a Certified Reference Material (CRM) coarse blank. All assays are required to conform to the procedural QAQC guidelines as well as routine laboratory QAQC guidelines. All QAQC controls and measures were routinely reviewed. Laboratory checks (repeats) occurred at a frequency of 1 in 25. Field duplicates returned a reasonable level of precision talismanmining.com.au 12 4 August 2024 ASX Announcement Criteria JORC Code explanation duplicates, external laboratory checks) and whether acceptable levels of accuracy (i.e. lack of bias) and precision have been established. Commentary • • with some minor variation in Au attributed to nugget effect of gold mineralisation. Each 1m or 2m composite RC sample undergoes routine pXRF analysis using a Olympus Vanta M-series to aid in logging and identifying zones of interest. All pXRF readings were taken in Geo-Exploration mode with a 45 second 3 beam reading. Standard reference materials were used to calibrate the pXRF instrument every 30 samples. Diamond Drilling • • • • Verification of sampling and assaying Location of data points • 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. • 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 adeq