Announcement PDF ASX Announcement Lac Gold Limited ASX: LAC ABN 82 110 884 252 1138 Hay Street, West Perth lacgold.com Western Australia Rouyn Gold Project, Canada 31 August 2026 Rouyn Continues to Deliver Further outstanding assays highlight the growing scale and continuity of the mineralised system Highlights • Strong results from a further 20 drillholes continue to demonstrate the outstanding growth potential and excellent continuity. • Higher-grademineralisation continues to occur withinthe broader mineralised system, including 7.5m @ 11.17g/t Au in AS-26-808, 2.0m @ 17.08g/t Au in AS-26-804 and 2.9m @ 10.78g/t Au in AS-26-802. • The drilling also continues to demonstrate the scale of the mineralised system, with broad mineralised intervals including 86.0m @ 1.12g/t Au in AS-26-806, 86.6m @ 0.59g/t Au in AS-26- 801 and 46.5m @ 1.99g/t Au in AS-26-808. • Drilling will continue at Astoria, on the eastern corridor of Rouyn. Lac Gold has also commenced reviewing opportunities to expand drilling into other areas of the broader Rouyn Gold Project. Significant Drill Intersections* Hole ID Significant Intersections Broad Mineralised Envelope AS-26-808 7.5m @ 11.17g/t Au 12.0m @ 3.68g/t Au 46.5m from 21.0m 24.0m from 99.0m AS-26-806 8.0m @ 5.12g/t Au 86.0m from 12.0m AS-26-804 2.0m @ 17.08g/t Au 11.5m from 245.7m AS-26-802 2.9m @ 10.78g/t Au 20.0m from 126.0m AS-26-817 5.1m @ 5.46g/t Au 11.5m from 171.5m AS-26-801 10.0m @ 3.05g/t Au 86.6m from 273.2m AS-26-800 2.55m @ 4.45g/t Au 28.5m from 219.0m AS-26-799 10.25m @ 3.10g/t Au 55.55m from 110.3m For further information or to ask questions in response to this announcement, please visit our Investor Hub at https://lacgold.com/link/Pqal8P * Intersections expressed as downhole lengths; true widths are unknown at this stage. Broad mineralised envelopes are shown for geological context and scale. Corresponding grades are provided in the Summary of Significant Intersections, with significant individual assay results set out in Appendix B. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p2 Lac Gold Managing Director Andrew Stocks said: “This is another strong set of drilling results from Astoria. These results continue the pattern we have seen throughout this year's program ofbroadzones ofgoldmineralisation surrounding higher- grade cores, with the drilling continuing to build our confidence in the continuity of the mineralised system. “With each round of drilling, we are building a better understanding of the scale and character of the Astoria gold system and, importantly, the distribution and continuity of the higher-grade mineralisation within that broader system. This is important because it helps us to target extensions of the mineralisation more effectively and efficiently. “There is still immense opportunity to keep growing the known mineralisation at Astoria and we will continue to drill, generating steady news flow. At the same time, our growing understanding of the Rouyn Project is giving us the confidence to begin looking beyond Astoria and consider where else we should be targeting.” Rouyn-Noranda, Québec, Canada – Lac Gold Limited (ASX: LAC) (“Lac Gold” or the “Company”) is pleased to report strong assay results from a further 20 diamond drillholes, AS-26-799 to AS-26-818, completed as part of the Company's ongoing 2026 drilling program at the Astoria deposit within its 100%-owned Rouyn Gold Project. The latest 20 holes add to a growing body of drilling demonstrating this relationship repeatedly across Astoria. Broad mineralised intervals including 86.0m @ 1.12g/t Au in AS-26-806, 86.6m @ 0.59g/t Au in AS-26-801 and 55.55m @ 0.74g/t Au in AS-26-799 contain materially higher-grade internal zones, while further significant higher-grade intersections were returned in AS-26-808, AS-26-804, AS-26-802 and AS-26-817. Taken together with results reported earlier in 2026, the drilling continues to build confidence in the scale and continuity of the Astoria mineralised system. Understanding the Rouyn Gold System The latest drilling continues to support Lac Gold's interpretation of Astoria, on the eastern corridor of the Rouyn Gold Project, as a large, structurally controlled orogenic gold system developed along the Cadillac-Larder Lake Break. The mineralised system comprises two complementary components: broad shear-hosted hydrothermal alteration envelopes that define the overall mineralised system, together with higher- grade gold mineralisation developed within favourable structural settings. This is consistent with the geological architecture identified through earlier drilling in 2026. Broad Hydrothermal Alteration Envelopes Broad mineralised intervals encountered in the latestdrilling continue to define extensive shear-hosted hydrothermal alteration envelopes. These zones are characterised by pervasive quartz-carbonate veining and alteration, together with disseminated sulphide mineralisation, and provide the broader geological architecture within which higher-grade gold mineralisation occurs. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p3 The latest results include broad mineralised intervals, such as 86.0m in AS-26-806, 86.6m in AS-26-801 and 55.55m in AS-26-799, each containing higher-grade internal mineralisation. The broad alteration zones are interpreted predominantly around the contact between ultramafic volcanic rocks of the Piché Group and Timiskaming sedimentary rocks. Figure 1 - Drill hole collar plan, Astoria project area, Rouyn Gold Project (NAD 1983 MTM Zone 10) Higher-Grade Gold Zones Higher-grade gold mineralisation continues to occur within the broader mineralised envelopes and favourable structural settings. Importantly, this relationship is repeated across a number of the latest drillholes, providing furthersupport for the geologicalmodel developed through Lac Gold's2026 drilling program. The Company's evolving structural interpretation indicates that higher-grade mineralisation may be preferentially developed within localised brittle structural zones associated with lithological flexures and, in some areas, the proximity of diabase dykes. These relationships are being incorporated into the evolving geological model and will be further tested through ongoing drilling. Mineral Resource and Next Steps The 2026 drilling program is progressively improving Lac Gold's understanding of the scale, geometry and continuity of mineralisation at Astoria and providing an increasingly robust geological framework for the next Mineral Resource Estimate. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p4 The latest results will be incorporated with earlier 2026 drilling, historical drilling and the Company's evolving geological interpretation as part of the planned update to the Rouyn Gold Project Mineral Resource Estimate. The existing Rouyn Gold Project Mineral Resource comprises 1.66Moz of gold at an average grade of 3.28g/t Au in the Indicated and Inferred categories. The holes reported in this announcement are targeting internal extensions and offshoots within the broad footprint of the existing Mineral Resource. This includes testing mineralised zones that may have been modelled conservatively by historical drilling, higher-grade shoots that were not adequately defined, and the potential for broader hydrothermal alteration envelopes than previously interpreted. The drilling is also providing additional infill information to improve resource geometry and geological confidence and may support future conversion of Inferred resources to the Indicated category. The current drilling is building outward from the better-defined parts of the existing Mineral Resource, using the improved geological understanding developed through the 2026 program to test internal extensions, offshoots and areas where the mineralised system may be broader than historically interpreted. Figure 2 – Astoria long section showing latest drilling and mineralised intervals Importantly, drilling at Astoria is continuing. The Company remains focused on further defining the mineralised system, testing internal extensions and offshoots to known mineralisation and refining the distribution of higher-grade zones, while using the improved geological understanding developed through the 2026 program to refine future drill targeting. In parallel, Lac Gold has commenced reviewing opportunities to expand drilling into other areas of the broader Rouyn Gold Project. This work will consider the Company's growing geological understanding alongside historical exploration data to identify and prioritise additional targets for future drilling. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p5 The growing body of drilling at Astoria continues to improve Lac Gold's understanding of the architecture of the gold system. This understanding will inform both the forthcoming Mineral Resource update and the next phase of exploration across the broader Rouyn Gold Project. Figure 3 - Project areas and geology of the Rouyn Gold Project 2026 Drilling Program Status Status Holes Metres Drilled 64 24,730 Logged 56 20,519 Sampled & Dispatched 54 19,475 Assays Received 43 15,260 Awaiting Logging 8 4,211 Logged, Awaiting Sampling 2 1,044 At Laboratory 11 4,215 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p6 Summary of Significant Intersections Hole ID From (m) Interval (m)† Au (g/t) AS-26-799 110.30 55.55 0.74 Including 113.50 10.25 3.10 AS-26-800 219.00 28.50 1.55 including 220.10 2.90 3.75 and 224.35 2.55 4.45 and 231.00 0.90 4.63 AS-26-801 273.20 86.60 0.59 including 300.90 10.00 3.05 AS-26-802 126.00 20.00 2.20 including 135.00 2.90 10.78 and 138.30 2.25 4.15 and 214.50 25.80 0.43 including 222.00 1.45 4.74 and 308.40 4.85 0.83 including 311.65 1.60 2.37 AS-26-803 200.50 11.70 1.89 including 210.40 1.80 10.91 and 257.45 11.05 0.41 AS-26-804 245.70 11.50 3.09 including 252.80 2.00 17.08 and 281.00 14.50 0.67 including 292.00 1.00 6.28 AS-26-805 87.00 15.00 0.43 including 88.20 1.80 2.73 and 124.80 1.80 2.04 including 125.80 0.80 3.98 and 132.00 4.30 0.65 including 134.10 0.90 2.87 and 143.00 6.00 1.64 including 144.50 2.20 4.35 AS-26-806 12.00 86.00 1.12 including 12.00 4.50 3.31 and 72.00 3.30 3.26 and 87.50 8.00 5.12 and 136.50 0.50 3.37 AS-26-807 233.00 34.25 0.75 including 234.00 1.00 4.85 † Intersections expressed as downhole lengths; true widths are unknown at this stage. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p7 Hole ID From (m) Interval (m)† Au (g/t) and 237.80 1.90 4.91 and 245.90 1.30 3.54 AS-26-808 21.00 46.50 1.99 including 45.00 7.50 11.17 and 99.00 24.00 1.92 including 110.00 12.00 3.68 AS-26-809 211.50 7.50 1.11 including 216.00 1.50 4.91 and 268.50 2.50 1.59 and 291.00 10.00 0.42 including 296.00 1.00 2.77 AS-26-810 91.00 5.00 0.98 including 91.94 1.06 2.51 AS-26-811 327.50 4.50 1.95 and 445.00 2.00 1.05 AS-26-812 228.05 1.95 1.66 AS-26-813 223.00 11.70 0.87 including 228.00 1.40 4.21 and 352.60 5.00 1.38 including 354.70 1.90 2.77 AS-26-814 168.00 3.00 1.26 and 196.50 3.00 0.73 AS-26-815 348.00 1.50 1.34 and 373.65 1.35 1.76 AS-26-816 142.95 6.55 0.68 including 144.00 1.50 2.17 AS-26-817 171.50 11.50 2.52 including 177.90 5.10 5.46 AS-26-818 476.50 10.50 0.33 including 482.50 1.50 1.16 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p8 Cross-Sections – AS-26-799 to AS-26-818 The following cross-sections show the location of all drillholes reported in this announcement relative to interpreted geology, mineralisation and surrounding drilling. Figure 4 – Section 339346E ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p9 Figure 5 – Section 339381E ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p10 Figure 6 – Section 339603E ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p11 Figure 7 – Section 339799E This announcement has been authorised for release by the Board of Lac Gold Limited. Further information Andrew Stocks Managing Director Matthew Keegan Executive Director Tel: +61 8 6184 5938 investors@lacgold.com Engage with this announcement at the Lac Gold Investor Hub. More information is available from the Company’s website. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p12 About Lac Gold Limited Lac Gold Limited is a Canadian-focused gold company advancing the Rouyn Gold Project in Québec and the Pickle Lake Gold Project in Ontario. The Rouyn Gold Project is located on the Cadillac-Larder Lake Break within the Abitibi gold region and hosts a large existing Mineral Resource Estimate (refer ASX:ADV announcement dated 10 October 2025). The Pickle Lake Gold Project includes the historic Golden Patricia Mine and a district-scale landholding within the Uchi Geological Subprovince of Ontario. The Company is focused on disciplined project advancement through targeted exploration, technical evaluation, responsible development and strong local partnerships. Forward Looking Statements This announcement contains forward-looking statements regarding future events, including planned technical studies, metallurgical programs, optimization work, permitting activities and development outcomes. Forward-looking statements are subject to risks, uncertainties and assumptions that could cause actual results to differ materially from those expressed or implied in such statements. No assurance can be given that future studies or evaluations will support development of the Rouyn Gold Project or that anticipated outcomes will be achieved. Competent Persons Statement Rouyn Gold Project – Exploration Results The information in this report that relates to Exploration Results at the Rouyn Gold Project is based on, and fairly represents, information and supporting documentation prepared by Ms Suzie Tremblay, P.Geo., a member of the Ordre des géologues du Québec (OGQ), a Recognised Professional Organisation (RPO). Ms Tremblayisa full-time employee of Explo-Logik Inc.,an independent geological consulting firm engaged by Lac Gold Limited. Ms Tremblay has sufficient experience relevant to the style of mineralisation and type of deposit under consideration and to the activity being reported 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 Competent Person has reviewed the underlying data and confirms that it fairly represents the exploration results reported. Ms Tremblay consents to the inclusion in this report of the matters basedon this information in the form and context in which it appears. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p13 Competent Person’s Statement Mineral Resource Estimate – Rouyn Gold Project, Québec The information in this announcement that relates to Mineral Resources for the Rouyn Gold Project has been extracted from the ASX announcement titled “Ardiden and Lac Gold to Create a Leading Canadian Gold Exploration and Development Company” released on 10 October 2025 and available at www.asx.com.au. Lac Gold Limited confirms that it is not aware of any new information or data that materially affects the information included in that announcement, and that all material assumptions and technical parameters underpinning the estimates in that announcement continue to apply and have not materially changed. Lac Gold Limited also confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from that announcement. Mineral Resource Estimate – Rouyn Gold Project, Québec Classification Material type Cut-off (g/t) Au Tonnage (Mt) Gold (g/t) Gold Ounces (koz) Indicated Ultramafic 1.72 8.5 3.29 898 Argillite 2.07 0.7 3.43 78 Total Indicated 9.2 3.30 976 Inferred Ultramafic 1.72 5.6 3.13 565 Argillite 2.07 1.0 3.86 126 Total Inferred 6.6 3.24 690 Total Resource (Indicated & Inferred) 15.8 3.28 1,666 Note: Due to effects of rounding, totals may not represent the sum of all components. The Rouyn Gold Project currently hosts a Mineral Resource Estimate (JORC 2012), previously announced to theASXon 10 October 2025. Recent drilling has targeted extensions andoffshoots within the broad footprint of the existing Mineral Resource, together with areas where the mineralised system may be broader than historically interpreted. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p14 APPENDIX A: COLLAR INFORMATION FOR COMPLETED DRILL HOLES Hole ID Prospect / Target Azimuth Dip Hole Length (m) Easting (UTM NAD83 Zone 17) Northing (UTM NAD83 Zone 17) RL (m) Status AS-26-799 Astoria East 180.21 - 45.45 249.00 646454.00 5339863.00 298.30 Completed AS-26-800 Astoria East 180.50 - 65.07 396.00 646480.00 5339930.00 303.79 Completed AS-26-801 Astoria East 185.00 - 71.04 381.00 646502.00 5339958.00 305.80 Completed AS-26-802 Astoria West 175.00 - 63.00 358.30 645971.00 5339923.00 304.70 Completed AS-26-803 Astoria West 180.55 - 46.99 333.00 645999.37 5339889.80 303.00 Completed AS-26-804 Astoria East 180.35 - 48.27 378.00 646429.80 5340010.34 303.00 Completed AS-26-805 Astoria West 179.60 - 46.00 318.00 645980.00 5339782.00 306.00 Completed AS-26-806 Astoria West 179.91 - 45.02 240.00 646062.00 5339788.00 301.39 Completed AS-26-807 Astoria East 178.78 - 58.05 396.00 646402.86 5339965.05 310.30 Completed AS-26-808 Astoria West 174.96 - 55.04 220.00 646074.00 5339799.00 300.74 Completed AS-26-809 Astoria East 178.94 - 47.65 339.00 646298.70 5340006.06 303.00 Completed AS-26-810 Astoria West 179.95 - 46.14 261.00 645939.83 5339782.14 303.00 Completed AS-26-811 Astoria West 178.78 - 58.05 449.00 646038.59 5339954.21 303.00 Completed AS-26-812 Astoria East 178.94 - 47.65 390.00 646268.66 5339996.06 303.00 Completed AS-26-813 Astoria West 178.78 - 58.05 409.15 646043.59 5339994.21 303.00 Completed AS-26-814 Astoria East 179.28 - 46.80 300.00 646299.37 5339934.80 303.00 Completed AS-26-815 Astoria West 178.28 - 59.17 480.00 645971.86 5340036.95 303.00 Completed AS-26-816 Astoria East 178.78 - 58.05 402.00 646218.59 5339899.21 303.00 Completed AS-26-817 Astoria East 179.28 - 46.80 339.00 646249.37 5339939.80 303.00 Completed AS-26-818 Astoria West 178.24 - 60.15 492.80 645959.99 5339994.80 303.00 Completed ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p15 APPENDIX B: DRILLING RESULTS Significant assay results are reported using a lower cut-off of 0.5g/t Au and a minimum sample length of 0.3m. Hole # From (m) To (m) Core Length (m) AU (g/t) AS-26-799 110.30 111.00 0.70 0.72 111.00 112.00 1.00 0.71 112.00 112.65 0.65 0.63 113.50 114.50 1.00 10.20 114.50 115.50 1.00 0.57 116.60 117.35 0.75 2.69 119.50 120.50 1.00 1.34 120.50 121.60 1.10 9.76 121.60 122.25 0.65 0.69 122.25 123.00 0.75 1.15 123.00 123.75 0.75 6.16 124.50 125.50 1.00 0.56 127.55 128.05 0.50 1.65 129.00 129.65 0.65 0.88 135.15 135.65 0.50 0.76 139.70 140.25 0.55 0.63 151.00 151.60 0.60 0.98 164.00 164.50 0.50 4.29 AS-26-800 201.90 202.85 0.95 1.84 220.10 220.55 0.45 5.05 220.55 221.20 0.65 7.10 221.20 222.00 0.80 1.56 222.00 223.00 1.00 2.75 223.85 224.35 0.50 0.99 224.35 225.00 0.65 10.60 225.70 226.20 0.50 5.43 226.20 226.90 0.70 2.05 227.40 228.00 0.60 1.68 228.00 228.95 0.95 3.28 228.95 230.00 1.05 0.50 231.00 231.90 0.90 4.63 235.20 235.70 0.50 0.69 235.70 236.50 0.80 0.51 237.70 239.05 1.35 2.09 242.50 243.00 0.50 1.89 243.00 244.00 1.00 1.95 244.00 244.80 0.80 0.58 244.80 245.40 0.60 6.33 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p16 Hole # From (m) To (m) Core Length (m) AU (g/t) 265.00 266.15 1.15 0.85 366.00 367.50 1.50 0.87 AS-26-801 291.10 291.60 0.50 1.09 300.00 300.90 0.90 0.75 300.90 301.80 0.90 5.29 301.80 303.00 1.20 1.64 303.00 304.00 1.00 2.92 304.00 305.00 1.00 0.93 305.00 306.10 1.10 4.48 306.10 306.70 0.60 0.82 306.70 307.20 0.50 1.47 307.70 308.60 0.90 3.14 308.60 309.50 0.90 0.84 309.50 310.40 0.90 3.74 310.40 310.90 0.50 13.20 310.90 311.80 0.90 0.84 317.00 318.00 1.00 3.68 320.70 321.60 0.90 0.69 323.20 323.90 0.70 1.02 328.50 329.50 1.00 0.54 330.50 331.50 1.00 0.95 332.40 333.70 1.30 2.04 335.20 336.50 1.30 1.04 345.40 346.10 0.70 0.82 350.00 350.70 0.70 0.51 355.00 356.00 1.00 0.67 AS-26-802 19.50 21.00 1.50 0.61 135.00 136.00 1.00 13.00 137.00 137.90 0.90 19.90 137.90 138.30 0.40 0.65 138.30 139.00 0.70 9.95 139.00 139.60 0.60 1.51 139.60 140.55 0.95 1.55 214.50 216.00 1.50 1.33 222.00 223.45 1.45 4.74 311.65 312.40 0.75 1.11 312.40 312.90 0.50 2.25 312.90 313.25 0.35 5.23 334.10 335.00 0.90 0.65 AS-26-803 202.00 203.40 1.40 0.70 203.40 203.85 0.45 2.49 210.40 211.05 0.65 20.50 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p17 Hole # From (m) To (m) Core Length (m) AU (g/t) 211.40 212.20 0.80 7.84 252.00 253.00 1.00 0.58 260.00 261.00 1.00 0.86 261.00 262.00 1.00 1.12 267.00 268.50 1.50 0.83 AS-26-804 252.80 253.60 0.80 4.01 253.60 254.80 1.20 25.80 281.60 283.00 1.40 1.22 292.00 293.00 1.00 6.28 327.00 328.10 1.10 1.92 AS-26-805 88.20 89.10 0.90 2.14 89.10 90.00 0.90 3.32 100.50 101.00 0.50 1.40 125.80 126.60 0.80 3.98 134.10 135.00 0.90 2.87 144.50 145.60 1.10 6.67 145.60 146.70 1.10 2.03 176.10 177.30 1.20 1.20 AS-26-806 12.00 13.50 1.50 1.99 13.50 15.00 1.50 2.23 15.00 16.50 1.50 5.70 16.50 17.50 1.00 0.95 17.50 18.15 0.65 2.68 18.15 19.50 1.35 2.22 19.50 21.00 1.50 0.57 43.50 45.00 1.50 0.84 47.20 48.00 0.80 1.03 48.00 48.60 0.60 0.97 48.60 49.50 0.90 0.72 49.50 51.00 1.50 2.08 63.00 64.50 1.50 0.58 72.00 73.00 1.00 3.43 73.00 74.00 1.00 3.68 74.00 75.30 1.30 2.81 76.00 77.00 1.00 0.65 77.00 78.00 1.00 2.55 78.00 79.50 1.50 0.56 81.00 82.50 1.50 1.91 87.00 87.50 0.50 0.71 87.50 88.50 1.00 1.55 88.50 90.00 1.50 1.53 90.00 91.50 1.50 5.60 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p18 Hole # From (m) To (m) Core Length (m) AU (g/t) 91.50 93.00 1.50 6.71 93.00 94.50 1.50 4.18 94.50 95.50 1.00 12.40 96.00 97.00 1.00 1.49 135.00 136.50 1.50 0.63 136.50 137.00 0.50 3.37 AS-26-807 214.90 216.20 1.30 5.64 234.00 235.00 1.00 4.85 237.80 238.75 0.95 7.19 238.75 239.70 0.95 2.63 239.70 240.10 0.40 1.13 242.65 243.40 0.75 1.91 244.00 244.90 0.90 0.92 244.90 245.90 1.00 0.55 245.90 247.20 1.30 3.54 259.00 260.00 1.00 1.24 300.80 301.80 1.00 0.53 301.80 302.30 0.50 2.15 AS-26-808 28.50 30.00 1.50 0.77 31.60 33.00 1.40 0.89 43.00 43.50 0.50 0.75 45.00 46.50 1.50 2.60 46.50 48.00 1.50 4.93 48.00 49.50 1.50 5.31 49.50 51.00 1.50 28.70 51.00 52.50 1.50 14.30 110.00 111.00 1.00 1.46 111.00 112.50 1.50 4.63 112.50 114.00 1.50 4.86 114.00 115.50 1.50 2.81 115.50 117.00 1.50 3.12 117.00 118.50 1.50 3.76 118.50 120.00 1.50 6.11 120.00 121.50 1.50 2.79 121.50 122.00 0.50 1.07 141.00 142.00 1.00 0.55 169.50 170.50 1.00 0.62 AS-26-809 215.30 216.00 0.70 0.68 216.00 217.50 1.50 4.91 268.50 269.00 0.50 1.69 270.00 271.00 1.00 3.09 296.00 297.00 1.00 2.77 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p19 Hole # From (m) To (m) Core Length (m) AU (g/t) 300.00 301.00 1.00 0.58 AS-26-810 91.94 93.00 1.06 2.51 93.00 94.50 1.50 1.30 AS-26-811 183.00 184.50 1.50 1.00 184.50 186.00 1.50 0.85 186.00 187.50 1.50 0.50 327.50 329.00 1.50 2.45 329.00 330.50 1.50 3.32 350.00 351.50 1.50 0.95 445.00 446.00 1.00 1.91 AS-26-812 228.05 229.00 0.95 0.89 229.00 230.00 1.00 2.38 AS-26-813 171.00 172.50 1.50 0.82 225.50 225.80 0.30 3.68 228.00 229.00 1.00 4.35 229.00 229.40 0.40 3.87 230.00 231.00 1.00 1.41 234.00 234.70 0.70 0.60 288.00 289.00 1.00 0.77 354.10 354.70 0.60 1.39 354.70 355.60 0.90 3.46 355.60 356.60 1.00 2.14 356.60 357.20 0.60 1.03 384.00 385.50 1.50 0.74 391.60 392.35 0.75 0.61 AS-26-814 168.00 169.50 1.50 1.98 169.50 171.00 1.50 0.53 198.00 199.50 1.50 1.22 229.00 230.50 1.50 0.72 230.50 232.00 1.50 0.86 AS-26-815 172.00 173.10 1.10 0.66 287.75 288.25 0.50 1.48 348.00 349.50 1.50 1.34 373.65 374.15 0.50 3.99 408.00 409.00 1.00 0.70 423.00 424.50 1.50 0.94 AS-26-816 144.00 145.50 1.50 2.17 257.50 259.00 1.50 1.68 271.00 272.00 1.00 0.57 281.00 282.00 1.00 1.10 AS-26-817 172.20 172.90 0.70 0.66 177.90 178.40 0.50 8.09 ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p20 Hole # From (m) To (m) Core Length (m) AU (g/t) 178.40 179.20 0.80 1.46 179.20 180.10 0.90 10.10 180.10 181.25 1.15 5.34 181.25 182.25 1.00 5.31 182.25 183.00 0.75 2.76 227.10 228.00 0.90 1.66 258.75 259.50 0.75 3.64 AS-26-818 415.00 416.50 1.50 0.86 479.50 481.00 1.50 0.83 482.50 484.00 1.50 1.16 JORC CODE, 2012 EDITION – TABLE 1 JORC Code Table 1 Criteria - The table below summarises the assessment and reporting criteria used for the Rouyn Gold Project sampling techniques and data guidelines in Table 1 of The Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves (the JORC Code, 2012). 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 downhole gamma sondes, or handheld XRF instruments, etc.). These samples 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 (e.g. submarine nodules) may warrant disclosure of detailed information. • Samples have been collected by diamond drilling techniques (see below). • Drillholes are orientated perpendicular to the interpreted strike of the mineralised trend except where limited access necessitates otherwise. • Diamond core sampled in intervals of ~1 m where possible, otherwise intervals less than 1 m selected based on geological boundaries. • The core was logged, cut, and sampled by qualified personnel at Explo-Logik core shack in Val D’Or and samples submitted to AGAT Laboratories (AGAT) in Québec. • The same side of the core was consistently sampled to avoid selective sampling bias. • Gold was analysed by fire assay (50 g) with atomic absorption finish, while base metals were analysed by four-acid digestion with ICP-OES finish. All samples received by AGAT were crushed to 90% passing 2-10 mm mesh sieve. This was then riffle split to a 250 g sample which was pulverised to 90% passing 75 microns. • Samples with gold grades greater than 10 g/t are reprocessed using gravity finish. The processed material is split and analysed by fire assay with ICP- OES finish to extinction. A separate split is prepared to independently analyse mineralized intervals with a target grade greater than 1.00% Cu-Zn using a Na₂O₂ fusion with ICP-OES or ICP-MS finish. • All samples containing visible gold were sent for metallic screen analysis. • These techniques are considered appropriate for the mineralisation expected at all properties. ASX Announcement ASX: LAC | lacgold.com | investors@lacgold.com p21 Criteria JORC Code explanation Commentary Drilling techniques • Drill type (e.g. core, reverse circulation, open- hole 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). • All samples and geological information have been derived from diamond core using standard equipment of NQ size (47.6 mm diameter). • The drill holes were completed by Forage Val d’Or of Québec in 2026. • The drill core was oriented by Forage Val d’Or and verified by Explo-Logik of Québec. 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. • All drill core was measured and compared to actual drilled depths on a run-by-run basis by the company geologist and driller to determine core recovery and Rockmass Quality Data (RQD). Recoveries averaged higher than 98% with the only loss of material coming from the overburden. This horizon is not considered prospective for Lac Gold Limited’s purposes. • Core recovery through the mineralized zones is greater than 98%. • No sample bias was observed. 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. • All diamond core has been marked up, inspected, logged and photographed by suitably trained and qualified personnel of Explo-Logik. • Logging detail includes depth, hole orientation, lithology, alteration, veining, mineralogy, mineralisation, RQD, magnetic susceptibility and structure. These methods involve a combination of both qualitative and quantitative determinations. • Diamond core was logged in its entirety. Sub-sampling techniques and sample preparation • 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 sta