Briefing
Fully funded to commissioning and first gold production The Montauban project is driven by a large, well- defined tailings resource supported by modern 105% pre-tax IRR and <2-year payback from a drilling, QAQC and metallurgical testing. fully permitted tailings reprocessing operation Integrated 3D modelling has identified a deep mineralized corridor extending ~900 metres vertically and over 2 kilometres of strike, L Key points: Fully funded to commissioning and first gold production The Montauban project is driven by a large, well- defined tailings resource supported by modern 105% pre-tax IRR and <2-year payback from a drilling, QAQC and metal; The result is a short-path, low-CAPEX operation $44.5M pre-tax NPV (5%) based on the 2025 PEA with meaningful long-term scalability; 352 drillholes 1,654 m total drilling 1,170 sampled intervals (1,498 m) 35 trenches (77 m total) Independent QAQC including blanks, standards, and re-analysis Assays completed by SGS Québec PEA economics support strong n; The project is fully Integrated 3D geological model completed de-risked and on track for commissioning. identifying deep expanding mineralized corridor Expanded land package secured immediately following modelling result; Prior to compositing, high- grade gold assays were capped to 3 g/t Au and 125 g/t Ag; The Indicated resources classified using a minimum of two drillholes within 20 m of each other or less were used. This brief is based on the cited source artifact and is intended as a research entry point, not a replacement for the original source or EGM canonical data tables.
Source Notes
Fully funded to commissioning and first gold production The Montauban project is driven by a large, well- defined tailings resource supported by...
Extractive summary evidence · source
The result is a short-path, low-CAPEX operation $44.5M pre-tax NPV (5%) based on the 2025 PEA with meaningful long-term scalability.
Extractive summary evidence 2 · source
352 drillholes 1,654 m total drilling 1,170 sampled intervals (1,498 m) 35 trenches (77 m total) Independent QAQC including blanks, standards, and...
Extractive summary evidence 3 · source
The project is fully Integrated 3D geological model completed de-risked and on track for commissioning. identifying deep expanding mineralized corridor Expanded land...
Extractive summary evidence 4 · source
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# ES Gold May12 Source: https://esgold.com/wp-content/uploads/2026/05/ES_Gold_May12.pdf Published: 2026-05-12T00:00:00+00:00 Fetched: 2026-09-06T10:59:53.86+00:00 Source artifact: 828b4828-309a-43d9-861e-47df67f48b29 Normalizer input: text ## Content # ES Gold May12 CSE: ESAU OTCQB: ESAUF FSE: Z7D MONTAUBAN GOLD-SILVER PROJECT A fully permitted, fully funded tailings to cash operation in Québec, Canada. Advancing toward near-term gold and silver production from historic tailings while advancing district-scale exploration potential Q2 2026 FORWARD-LOOKING STATEMENTS This presentation contains certain statements that may be deemed “forward-looking statements”. All statements, other than statements of historical fact, that address events or developments that ESGold Corp. expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Although ESGold believes the expectations expressed in such forward- looking statements are based on reasonable assumptions, such statements are not guaranteeing future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward looking statements include market prices, exploration and production successes or failures, continued availability of capital and financing, inability to obtain required shareholder or regulatory approvals, and general economic market or business conditions. Forward-looking statements are based on the beliefs, estimates and opinions of ESGold’s management on the date the statements are made. This presentation has been reviewed by QP, Andre Gauthier, (BSC in Geology Eng., MSC) of EvalMinerals CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 1 WHY ESGOLD NOW? ESGold offers a fully funded tailings reprocessing Strong, predictable cash-flow beginning in 2026 opportunity in Canada, with meaningful district- scale exploration upside. Fully funded to commissioning and first gold production The Montauban project is driven by a large, well- defined tailings resource supported by modern 105% pre-tax IRR and <2-year payback from a drilling, QAQC and metallurgical testing. fully permitted tailings reprocessing operation Integrated 3D modelling has identified a deep mineralized corridor extending ~900 metres vertically and over 2 kilometres of strike, Located in Québec, one of Canada’s premier mining remaining open beyond current survey limits. jurisdictions with abundant low-cost hydro power prompting ESGold to expand its land package to secure additional prospective ground. The result is a short-path, low-CAPEX operation $44.5M pre-tax NPV (5%) based on the 2025 PEA with meaningful long-term scalability. Expanded land package to 485 claims covering ~244km² (24,414 ha) around Montauban CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 2 LEADERSHIP TEAM ESGold is led by a team with deep operating, engineering, and capital markets experience in Canada’s mining sector. Collectively, the team brings decades of execution across permitting, construction, and mine operations: critical capabilities for a reprocessing project entering its production phase. Gordon Robb Paul Mastantuono Jason Tong CEO & Director COO & Director CFO Peter Espig Andre Gauthier Edmond St-Jean Claude Duplessis Director Director Engineering Consultant P.Eng (QP) CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 3 CAPITAL STRUCTURE As of March 2026 30% 25% Friends & Affiliates Issued & Outstanding 110,441,002 Family Offices Options Outstanding 2,779,000 Institutional Warrants 38,148,028* Management Fully Diluted Issued 151,404,030 & Outstanding Public Float 7% Avg Warrant Price: ~$0.72 30% 8% CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 4 MONTAUBAN PROJECT Fully permitted and fully funded, targeting operations in 2026 Mill building completed for 1000 ton/day processing capacity Montauban is a fully permitted, fully funded tailings reprocessing project designed to produce Integrated 3D model identifies a mineralized corridor gold, silver, and mica from historic mine waste, extending ~900 m depth and over 2 km of strike, with district-scale exploration upside supported widening at depth and open beyond current coverage by integrated 3D ANT modelling. A low-capex, low-risk operations leveraging existing infrastructure. Tailings-to-cash forms the foundation of ESGold’s strategy. Land position expanded to 485 claims covering ~24,414hectares (244 km²) Expanded ANT survey planned over ~70 km² with step- out drilling anticipated spring 2026 (subject to permitting/logistics) Tailings production provides potential cash flow to CSE: ESAU | OTCQB: ESAUF | FSE: Z7D support exploration and reduce reliance on dilution 5 LOCATION Located in Montauban Township, near Québec City and 80 km from Québec City Proximity to skilled labour Trois-Rivières, the project benefits from the following 60 km from Trois-Rivières Mining-friendly jurisdiction points. This combination enables one of the most cost effective reprocessing environments in Canada. Low-cost hydroelectric power with strong local support CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 6 20,000 SQ FT processing facility and laboratory INFRASTRUCTURE & CONSTRUCTION STATUS 1.3 KM Of service hydropower Mill building completed and project advancing toward commissioning. Current capacity rated for 1000 tons per day. ALL-WEATHER Roads & site access FULLY PERMITTED For construction & operation CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 7 MONTAUBAN MINE PAST PRODUCTION 1913-1944* 1948-1955* 1983-1990† tons zinc 77,000 39,600 - tons lead 24,000 15,600 - oz. gold 40,000 16,876 92,553 oz. silver 4,000,000 2,647,517 323,376 * Source : Jean Depatie for Boiville Ressources Ltd † Source : Genivar Inc. for MRNQ Ancon Shaft Entrance CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 8 DRILLING & QAQC COMPLETED Comprehensive drilling and verification work has been completed across the tailings zones. This dataset forms the basis for the 2025 NI 43-101 resource estimate and supports high confidence in tonnage and grade distribution. 352 drillholes 1,654 m total drilling 1,170 sampled intervals (1,498 m) 35 trenches (77 m total) Independent QAQC including blanks, standards, and re-analysis Assays completed by SGS Québec PEA economics support strong near-term cash flow potential and short payback profile. CSE: ESAU | OTCQB: ESAUF | FSE: Z7D TAILINGS MINERAL RESOURCES AT MONTAUBAN – PEA 2025 The mineral resources estimate for the Montauban and Notre-Dame-de-Montauban Tailings Au (g/t) Ag (g/t) Tonnes Au Oz Ag Oz MONTAUBAN TAILINGS Indicated 0.4 31 603,700 7,800 610,350 Inferred 0.34 28 292,000 3,150 258,900 NOTRE-DAME-DE-MONTAUBAN TAILINGS Inferred 1.21 137 27,300 1,050 120,200 Total Indicated 0.4 31.45 603,700 7,800 610,350 Total Inferred 0.41 36.93 319,300 4,200 379,100 Micas (%) Tonnes Micas (t) Inferred Micas AL1 9 571,900 51,500 Inferred Micas Tetreault_2 4 142,900 5,700 Total Micas Inferred 8.0 714,800 57,200 Photo: Plan view showing block model, color coded by gold grade (Au g/t) Notes: The Mineral Resources provided in this table were estimated by M. Rachidi P.Geo., and C. Duplessis, Eng., (QPs) of GoldMinds Geoservices Inc., using current Canadian Institute of Mining, Metallurgy and Petroleum ( CIM) Standards on Mineral Resources and Reserves, Definitions and Guidelines. Mineral Resources which are not Mineral Reserves do not have demonstrated economic viability. The estimate of Mineral Resourc es may be materially affected by environmental, permitting, legal, title, market or other relevant issues. The quantity and grad e of reported Inferred Mineral Resources are uncertain in nature and there has not been sufficient work to define these Inferred Mineral Resources as indicated or Measured Mineral Resources. There is no certainty that any part of a Mineral Resource will ever be converted into Mineral Reserves. The database used for this mineral estimate includes drill results obtained from 2010, 2018 and 2022 drill programs as well as the 2 02 2 expl oration works. For the Montauban tail ings (Anacon Lead 1, Tetreault 1, Anacon Lead 2 & Tetreault 2) the mineral resource presented here were estimated with a block size of 3mE x 3mN x 1.5mZ. The blocks were interpol ated from equal length composites (1.5 metre) calculated from the mineralized intervals. Prior to compositing, high- grade gold assays were capped to 3 g/t Au and 125 g/t Ag. The mineral estimation was completed using the inverse distance to the square methodology utilizing three passes. For pass 1 and pass 2 minimum of 2 composites and maximum of 05 composites with a maximum of 1 composites from the same drillhole (a minimum of two drillholes are needed to estimate blocks). For pass 3 minimum of 2 composites and maximum of 5 composites were used. The Indicated resources classified using a minimum of two drillholes within 20 m of each other or less were used. The inferred resources were cl assified by a minimum of two drillhol es within 50m of each other or less. Tonnage estimates are based on a fix density of 1.52 tonnes per cubic metre. For the N otre-Dame-De-Montauban tailings the mineral resource were estimated with a block size of 0.5mE x 0.5mN x 0.5mZ. The blo cks were interpol ated using central composites calculated from the mineralized intervals. Prior to compositing, assays were not capped. The mineral estimation was completed using the polygon method. The resources cl assifiedtable below. The formul a as inferred and the tonnage estimates are based on a fix density of 1.5 tonnes per cubic metre. CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 10 TAILINGS RESOURCE SUMMARY The 2025 PEA defines a significant gold and silver resource within the Montauban tailings. Process the mine tailings in Notre-Dame-de-Montauban This inventory underpins the project’s near-term production profile and cash-flow potential. Effective Date: September 2025 Stop water contamination Au Ag 89.3% Gold Recovery 77% Silver Recovery Reuse of neutralized tailings Restoration of mine tailings sites to their natural state INDICATED INFERRED Creation of approximately 30 jobs 603,700 tonnes @ 0.40 g/t Au & 319,300 tonnes @ 0.41 g/t Au 31.45 g/t Ag & 36.93 g/t Ag 6,950 oz Au & 3,800 oz Au & 470,050 oz Ag contained 291,200 oz Ag contained The Vision: A zero-waste mine CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 11 SURFACE PILLAR RESOURCE EVALUATION – HISTORICAL REPORT Pillars contain documented Limited Modern Exploration high-grade mineralization The Montauban deposit and surrounding Historical evaluations reported gold and silver surface pillars have not been evaluated using grades in both the North and South Zones, modern exploration techniques or today’s including 2.80 g/t Au and 15.00 g/t Ag in the geological modelling methods. North Zone and 6.10 g/t Au and 94.00 g/t Ag in the South Zone. Historical production VMS-style clustering indicates focused on base metals broader potential Earlier mining at Montauban targeted lead and The clustering of volcanogenic massive zinc, with gold and silver recovered sulphide related mineralization suggests strong intermittently. The last operator in the 1980s potential to identify additional zones beyond stopped production when gold prices fell below those historically mined. 400 dollars per ounce, rather than due to a lack of mineralization. ZONE MT Au (g/t) Ag (g/t) North Zone* 274,500 2.80 15.00 South Zone* 114,473 6.1 94 Total: 388,973 3.76 (47,198 oz) 38.33 (480,998 oz) CSE: ESAU | OTCQB: ESAUF | FSE: Z7D 12 3D ANT MODEL CONFIRMS DISTRICT- SCALE UPSIDE AT MONTAUBAN ESGold has completed an integrated 3D geological model combining Ambient Noise Tomography (ANT) imaging with historical drilling and mine data, revealing a deeper an [Excerpt trimmed for readability. Open the original source for the complete filing or document.]
