# MC2: Marimaca October Corporate Presentation Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03150381 Publisher: asx Original announcement: 2026-10-08T21:18:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-08T22:18:52.520Z Atlas analysis updated: 2026-10-08T22:18:52.520Z - Company: Marimaca Copper Corp. - Ticker: MC2 - Exchange: ASX - Region: Chile - Primary commodity: Copper - Secondary commodities: Silver - Document categories: Other, Resource update, Drill results - Extracted: 2026-10-08 22:18:53 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary Marimaca Copper has released a corporate presentation highlighting the positive Definitive Feasibility Study \(DFS\) results for its Marimaca Oxide Deposit \(MOD\) in Chile, which demonstrates robust economics with a 31% IRR and US$709 million post-tax NPV8%. The company also announced the receipt of environmental approval for the MOD project and reported significant high-grade copper and silver drill intercepts from its Pampa Medina exploration project, indicating potential for a new Tier-1 discovery. These developments position Marimaca for near-term production and substantial district-scale growth. Reasoning: The presentation details highly positive Definitive Feasibility Study results for the Marimaca Oxide Deposit, including strong financial metrics and environmental approval, alongside significant high-grade copper and silver drill intercepts from the Pampa Medina exploration project, indicating substantial growth potential. - Positive factor: DFS completed with strong economics \(high IRR, NPV, low capital intensity\) - Positive factor: Environmental approval received for MOD - Positive factor: Significant M&I resource base for MOD \(93%\) - Positive factor: High-grade, thick copper intercepts at Pampa Medina, indicating potential for a Tier-1 discovery - Positive factor: Low strip ratio for MOD - Positive factor: Access to critical infrastructure and sustainable water supply - Positive factor: Strong management team - Negative factor: Corporate presentation format means some details are summarized - Negative factor: Pampa Medina is still exploration stage, not yet a resource - Negative factor: Extensive forward-looking statements and cautionary language Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 161 ## Classification and evidence **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: The resource estimate is prepared to support a Definitive Feasibility Study, indicating a high level of confidence and maturity. Evidence · text > MOD Feasibility Study Confirms Robust Capital Intensity and 30%+ IRR **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: The resource estimate is prepared in compliance with the 2012 edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves \(JORC Code\). Evidence · text > JORC Code **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate follows current CIM and JORC definitions and guidelines, and is defined by NI 43-101. Evidence · text > The independent and qualified person for the mineral resource estimate, as defined by NI 43-101, is Luis Oviedo, P.Geo. **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: Luis Oviedo, P.Geo. is named as the Qualified Person under NI 43-101 and Competent Person under JORC for the mineral resource estimate, and Carlos Guzman for the Ore Reserve estimate. Evidence · text > The Competent Person\[s\] for the Mineral Resources estimate in the announcement was Luis Oviedo, and the Competent Person\[s\] for the Ore Reserve estimate in the announcement was Carlos Guzman. **Category Upgrade** Polarity: positive Definition: Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal. Why it applies: 93% of total resource tonnes are now in Measured and Indicated categories, indicating a significant increase in resource confidence compared to previous estimates. Evidence · text > 93% of total resource tonnes now in Measured and Indicated categories **Tonnage Growth** Polarity: positive Definition: Significant tonnage increase \(≥15%\) vs prior estimate with grade maintained or improved. Why it applies: The presentation highlights 'Continued conversion of Inferred tonnage and contained metal over the 2023 MRE' and 'Opportunities for large production scale supported by resource growth'. Evidence · text > Continued conversion of Inferred tonnage and contained metal over the 2023 MRE **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: The presentation explicitly states that 'Scale is downhole depth and not true depth' for the Pampa Medina drill results, implying that true widths are not reported for these intercepts. Evidence · text > Notes: S c a l e i s d o w n h o l e d e p t h a n d n o t e t r u e d e p t h **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The Pampa Medina drilling program is described as a 'step-out and delineation program to test extent of Pampa mineralized system'. Evidence · text > Step-out and delineation program to test extent of Pampa mineralized system ## Extracted facts Stored fact records: 159. Some facts used in scoring do not have a stored record. ## Drill Results (154) ### SMR-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-7) Pampa Medina · copper #### Identity - Hole ID: SMR-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.2 - Grade Unit: % - Intercept: 102 m - From: 250 m - To: 352 m - Intercept Depth: 250 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-01:250-352 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 102m at 1.2% Cu from 250m depth indicates strong mineralization continuity and high-grade potential at Pampa Medina. - Positive factor: Strong Continuity - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 102m of 1.2% Cu and 12g/t Ag from 250m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-8) Pampa Medina · silver #### Identity - Hole ID: SMR-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 12 - Grade Unit: g/t - Intercept: 102 m - From: 250 m - To: 352 m - Intercept Depth: 250 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-01:250-352 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The intercept of 102m at 12g/t Ag from 250m depth indicates significant silver mineralization alongside copper at Pampa Medina. - Positive factor: Significant Width Evidence · text > 102m of 1.2% Cu and 12g/t Ag from 250m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-9) Pampa Medina · copper #### Identity - Hole ID: SMR-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.1 - Grade Unit: % - Intercept: 18 m - From: 320 m - To: 338 m - Intercept Depth: 320 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-01:320-338 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 18m at 5.1% Cu from 320m demonstrates bonanza-grade copper mineralization within a broader intercept. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 18m of 5.1% Cu and 53g/t Ag from 320m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-10) Pampa Medina · silver #### Identity - Hole ID: SMR-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 53 - Grade Unit: g/t - Intercept: 18 m - From: 320 m - To: 338 m - Intercept Depth: 320 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-01:320-338 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 18m at 53g/t Ag from 320m indicates strong silver mineralization within a broader copper intercept. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 18m of 5.1% Cu and 53g/t Ag from 320m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-11) Pampa Medina · copper #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 4.1 - Grade Unit: % - Intercept: 26 m - From: 580 m - To: 606 m - Intercept Depth: 580 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:580-606 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 26m at 4.1% Cu from 580m demonstrates bonanza-grade copper mineralization at depth. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 26m of 4.1% Cu and 25g/t Ag from 580m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-12) Pampa Medina · silver #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 25 - Grade Unit: g/t - Intercept: 26 m - From: 580 m - To: 606 m - Intercept Depth: 580 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:580-606 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The intercept of 26m at 25g/t Ag from 580m depth indicates significant silver mineralization alongside high-grade copper. - Positive factor: Significant Width Evidence · text > 26m of 4.1% Cu and 25g/t Ag from 580m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-13) Pampa Medina · copper #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 12 - Grade Unit: % - Intercept: 6 m - From: 594 m - To: 600 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:594-600 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An ultra-high-grade sub-interval of 6m at 12.0% Cu from 594m, identified as sulphides, represents exceptional copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade - Positive factor: Sulphide Mineralization Evidence · text > Incl. 6m of 12.0% Cu and 82g/t Ag from 594m Sulphides #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-14) Pampa Medina · silver #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 82 - Grade Unit: g/t - Intercept: 6 m - From: 594 m - To: 600 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:594-600 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 6m at 82g/t Ag from 594m, identified as sulphides, indicates strong silver mineralization. - Positive factor: High Grade - Positive factor: Sulphide Mineralization Evidence · text > Incl. 6m of 12.0% Cu and 82g/t Ag from 594m Sulphides #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-20 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-15) Pampa Medina · copper #### Identity - Hole ID: SMRD-20 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.7 - Grade Unit: % - Intercept: 198 m - From: 460 m - To: 658 m - Intercept Depth: 460 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-20:460-658 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 198m at 0.7% Cu from 460m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 198m of 0.7% Cu and 5g/t Ag from 460m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-20 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-16) Pampa Medina · silver #### Identity - Hole ID: SMRD-20 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5 - Grade Unit: g/t - Intercept: 198 m - From: 460 m - To: 658 m - Intercept Depth: 460 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-20:460-658 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 198m at 5g/t Ag from 460m indicates broad silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 198m of 0.7% Cu and 5g/t Ag from 460m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-20 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-17) Pampa Medina · copper #### Identity - Hole ID: SMRD-20 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.7 - Grade Unit: % - Intercept: 30 m - From: 540 m - To: 570 m - Intercept Depth: 540 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-20:540-570 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 30m at 1.7% Cu from 540m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 30m of 1.7% Cu and 21g/t Ag from 540m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-20 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-18) Pampa Medina · silver #### Identity - Hole ID: SMRD-20 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 21 - Grade Unit: g/t - Intercept: 30 m - From: 540 m - To: 570 m - Intercept Depth: 540 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-20:540-570 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 30m at 21g/t Ag from 540m indicates notable silver mineralization within the broader copper intercept. - Positive factor: Significant Width Evidence · text > Incl. 30m of 1.7% Cu and 21g/t Ag from 540m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-30 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-19) Pampa Medina · copper #### Identity - Hole ID: SMRD-30 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.6 - Grade Unit: % - Intercept: 162 m - From: 220 m - To: 382 m - Intercept Depth: 220 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-30:220-382 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 162m at 0.6% Cu from 220m indicates broad and continuous copper mineralization at a relatively shallow depth. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 162m of 0.6% Cu from 220m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-30 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-20) Pampa Medina · copper #### Identity - Hole ID: SMRD-30 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 36 m - From: 228 m - To: 264 m - Intercept Depth: 228 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-30:228-264 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 36m at 1.0% Cu from 228m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 36m of 1.0% Cu and 12g/t Ag from 228m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-30 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-21) Pampa Medina · silver #### Identity - Hole ID: SMRD-30 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 12 - Grade Unit: g/t - Intercept: 36 m - From: 228 m - To: 264 m - Intercept Depth: 228 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-30:228-264 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 36m at 12g/t Ag from 228m indicates notable silver mineralization within the broader copper intercept. - Positive factor: Significant Width Evidence · text > Incl. 36m of 1.0% Cu and 12g/t Ag from 228m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-29 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-22) Pampa Medina · copper #### Identity - Hole ID: SMR-29 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.5 - Grade Unit: % - Intercept: 116 m - From: 204 m - To: 320 m - Intercept Depth: 204 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-29:204-320 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 116m at 0.5% Cu from 204m indicates broad and continuous copper mineralization at a relatively shallow depth. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 116m of 0.5% Cu from 204m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-29 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-23) Pampa Medina · copper #### Identity - Hole ID: SMR-29 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.6 - Grade Unit: % - Intercept: 24 m - From: 296 m - To: 320 m - Intercept Depth: 296 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-29:296-320 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 24m at 1.6% Cu from 296m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 24m of 1.6% Cu and 15g/t Ag from 296m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMR-29 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-24) Pampa Medina · silver #### Identity - Hole ID: SMR-29 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 15 - Grade Unit: g/t - Intercept: 24 m - From: 296 m - To: 320 m - Intercept Depth: 296 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMR-29:296-320 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 24m at 15g/t Ag from 296m indicates notable silver mineralization within the broader copper intercept. - Positive factor: Significant Width Evidence · text > Incl. 24m of 1.6% Cu and 15g/t Ag from 296m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-16A [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-25) Pampa Medina · copper #### Identity - Hole ID: SPRD-16A - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.77 - Grade Unit: % - Intercept: 36 m - From: 184 m - To: 220 m - Intercept Depth: 184 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-16A:184-220 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 36m at 0.77% Cu from 184m indicates good copper mineralization at a shallow depth. - Positive factor: Significant Width Evidence · text > 36m of 0.77% Cu from 184m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-16A [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-26) Pampa Medina · copper #### Identity - Hole ID: SPRD-16A - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.58 - Grade Unit: % - Intercept: 12 m - From: 204 m - To: 216 m - Intercept Depth: 204 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-16A:204-216 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 12m at 1.58% Cu from 204m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 12m of 1.58% Cu and 3.2g/t Ag from 204m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-16A [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-27) Pampa Medina · silver #### Identity - Hole ID: SPRD-16A - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3.2 - Grade Unit: g/t - Intercept: 12 m - From: 204 m - To: 216 m - Intercept Depth: 204 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-16A:204-216 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 12m at 3.2g/t Ag from 204m indicates silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > Incl. 12m of 1.58% Cu and 3.2g/t Ag from 204m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-28) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.96 - Grade Unit: % - Intercept: 216 m - From: 466 m - To: 682 m - Intercept Depth: 466 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:466-682 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long and high-grade intercept of 216m at 0.96% Cu from 466m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 216m of 0.96% Cu and 7.2g/t Ag from 466m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-29) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7.2 - Grade Unit: g/t - Intercept: 216 m - From: 466 m - To: 682 m - Intercept Depth: 466 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:466-682 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 216m at 7.2g/t Ag from 466m indicates broad silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 216m of 0.96% Cu and 7.2g/t Ag from 466m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-30) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.25 - Grade Unit: % - Intercept: 20 m - From: 504 m - To: 524 m - Intercept Depth: 504 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:504-524 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 20m at 1.25% Cu from 504m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 20m of 1.25% Cu and 5.3g/t Ag from 504m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-31) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.3 - Grade Unit: g/t - Intercept: 20 m - From: 504 m - To: 524 m - Intercept Depth: 504 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:504-524 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 20m at 5.3g/t Ag from 504m indicates silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > Incl. 20m of 1.25% Cu and 5.3g/t Ag from 504m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-32) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2 - Grade Unit: % - Intercept: 6 m - From: 506 m - To: 512 m - Intercept Depth: 506 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:506-512 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 6m at 2.00% Cu from 506m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 6m of 2.00% Cu and 12.0g/t Ag from 506m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-33) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 12 - Grade Unit: g/t - Intercept: 6 m - From: 506 m - To: 512 m - Intercept Depth: 506 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:506-512 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 6m at 12.0g/t Ag from 506m indicates silver mineralization. Evidence · text > Incl. 6m of 2.00% Cu and 12.0g/t Ag from 506m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-34) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.72 - Grade Unit: % - Intercept: 82 m - From: 600 m - To: 682 m - Intercept Depth: 600 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:600-682 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very high-grade and significant width intercept of 82m at 1.72% Cu from 600m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > And 82m of 1.72% Cu and 16.3g/t Ag from 600m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-35) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 16.3 - Grade Unit: g/t - Intercept: 82 m - From: 600 m - To: 682 m - Intercept Depth: 600 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:600-682 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant width intercept of 82m at 16.3g/t Ag from 600m indicates strong silver mineralization. - Positive factor: Significant Width Evidence · text > And 82m of 1.72% Cu and 16.3g/t Ag from 600m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-36) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.2 - Grade Unit: % - Intercept: 62 m - From: 602 m - To: 664 m - Intercept Depth: 602 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:602-664 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very high-grade sub-interval of 62m at 2.20% Cu from 602m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 62m of 2.20% Cu and 21.5g/t Ag from 602m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-37) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 21.5 - Grade Unit: g/t - Intercept: 62 m - From: 602 m - To: 664 m - Intercept Depth: 602 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:602-664 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant width sub-interval of 62m at 21.5g/t Ag from 602m indicates strong silver mineralization. - Positive factor: Significant Width Evidence · text > Incl. 62m of 2.20% Cu and 21.5g/t Ag from 602m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-38) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3.05 - Grade Unit: % - Intercept: 14 m - From: 606 m - To: 620 m - Intercept Depth: 606 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:606-620 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 14m at 3.05% Cu from 606m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl. 14m of 3.05% Cu and 26.7g/t Ag from 606m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-39) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 26.7 - Grade Unit: g/t - Intercept: 14 m - From: 606 m - To: 620 m - Intercept Depth: 606 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:606-620 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 14m at 26.7g/t Ag from 606m indicates strong silver mineralization. Evidence · text > Incl. 14m of 3.05% Cu and 26.7g/t Ag from 606m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-40) Pampa Medina · copper #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3.25 - Grade Unit: % - Intercept: 12 m - From: 632 m - To: 644 m - Intercept Depth: 632 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:632-644 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 12m at 3.25% Cu from 632m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > And 12m of 3.25% Cu and 36.7g/t Ag from 632m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-41) Pampa Medina · silver #### Identity - Hole ID: SPRD-15 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 36.7 - Grade Unit: g/t - Intercept: 12 m - From: 632 m - To: 644 m - Intercept Depth: 632 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-15:632-644 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 12m at 36.7g/t Ag from 632m indicates strong silver mineralization. Evidence · text > And 12m of 3.25% Cu and 36.7g/t Ag from 632m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-42) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.38 - Grade Unit: % - Intercept: 424 m - From: 424 m - To: 848 m - Intercept Depth: 424 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:424-848 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 424m at 0.38% Cu from 424m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Continuous Intercept Evidence · text > 424m @ 0.38% Cu and 2.2g/t Ag from 424m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-43) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.2 - Grade Unit: g/t - Intercept: 424 m - From: 424 m - To: 848 m - Intercept Depth: 424 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:424-848 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 424m at 2.2g/t Ag from 424m indicates broad silver mineralization alongside copper. - Positive factor: Continuous Intercept Evidence · text > 424m @ 0.38% Cu and 2.2g/t Ag from 424m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-44) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.02 - Grade Unit: % - Intercept: 32 m - From: 432 m - To: 464 m - Intercept Depth: 432 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:432-464 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 32m at 1.02% Cu from 432m, identified as oxide, enhances the overall intercept. - Positive factor: High Grade - Positive factor: Significant Width - Positive factor: Oxide Mineralization Evidence · text > ▪ 32m @ 1.02% Cu and 3.1g/t Ag from 432m \(oxide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-45) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3.1 - Grade Unit: g/t - Intercept: 32 m - From: 432 m - To: 464 m - Intercept Depth: 432 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:432-464 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 32m at 3.1g/t Ag from 432m, identified as oxide, indicates silver mineralization. - Positive factor: Oxide Mineralization Evidence · text > ▪ 32m @ 1.02% Cu and 3.1g/t Ag from 432m \(oxide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-46) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.23 - Grade Unit: % - Intercept: 22 m - From: 492 m - To: 514 m - Intercept Depth: 492 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:492-514 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 22m at 1.23% Cu from 492m, identified as mixed mineralization, enhances the overall intercept. - Positive factor: High Grade - Positive factor: Significant Width - Positive factor: Mixed Mineralization Evidence · text > ▪ 22m @ 1.23% Cu and 11.8g/t Ag from 492m \(mixed\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-47) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 11.8 - Grade Unit: g/t - Intercept: 22 m - From: 492 m - To: 514 m - Intercept Depth: 492 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:492-514 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 22m at 11.8g/t Ag from 492m, identified as mixed mineralization, indicates notable silver mineralization. - Positive factor: Mixed Mineralization Evidence · text > ▪ 22m @ 1.23% Cu and 11.8g/t Ag from 492m \(mixed\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-48) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.53 - Grade Unit: % - Intercept: 22 m - From: 564 m - To: 586 m - Intercept Depth: 564 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:564-586 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 22m at 1.53% Cu from 564m, identified as sulphide, enhances the overall intercept and indicates sulphide potential. - Positive factor: High Grade - Positive factor: Significant Width - Positive factor: Sulphide Mineralization Evidence · text > ▪ 22m @ 1.53% Cu and 13.6g/t Ag from 564m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-49) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 13.6 - Grade Unit: g/t - Intercept: 22 m - From: 564 m - To: 586 m - Intercept Depth: 564 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:564-586 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 22m at 13.6g/t Ag from 564m, identified as sulphide, indicates notable silver mineralization. - Positive factor: Sulphide Mineralization Evidence · text > ▪ 22m @ 1.53% Cu and 13.6g/t Ag from 564m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-50) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.38 - Grade Unit: % - Intercept: 10 m - From: 698 m - To: 708 m - Intercept Depth: 698 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:698-708 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 10m at 1.38% Cu from 698m, identified as sulphide, indicates deeper sulphide potential. - Positive factor: High Grade - Positive factor: Sulphide Mineralization Evidence · text > ▪ 10m @ 1.38% Cu and 4.4g/t Ag from 698m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-51) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 4.4 - Grade Unit: g/t - Intercept: 10 m - From: 698 m - To: 708 m - Intercept Depth: 698 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:698-708 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 10m at 4.4g/t Ag from 698m, identified as sulphide, indicates silver mineralization at depth. - Positive factor: Sulphide Mineralization Evidence · text > ▪ 10m @ 1.38% Cu and 4.4g/t Ag from 698m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-52) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.29 - Grade Unit: % - Intercept: 8 m - From: 752 m - To: 760 m - Intercept Depth: 752 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:752-760 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 8m at 1.29% Cu from 752m, identified as sulphide, indicates deeper sulphide potential. - Positive factor: High Grade - Positive factor: Sulphide Mineralization Evidence · text > ▪ 8m @ 1.29% Cu and 10.8g/t Ag from 752m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-06 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-53) Pampa Medina · silver #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 10.8 - Grade Unit: g/t - Intercept: 8 m - From: 752 m - To: 760 m - Intercept Depth: 752 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-06:752-760 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 8m at 10.8g/t Ag from 752m, identified as sulphide, indicates notable silver mineralization at depth. - Positive factor: Sulphide Mineralization Evidence · text > ▪ 8m @ 1.29% Cu and 10.8g/t Ag from 752m \(sulphide\) #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-54) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 140 m - From: 366 m - To: 506 m - Intercept Depth: 366 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:366-506 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 140m at 0.35% Cu from 366m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 140m @ 0.35% Cu from 366m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-55) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.71 - Grade Unit: % - Intercept: 32 m - From: 468 m - To: 500 m - Intercept Depth: 468 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:468-500 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 32m at 0.71% Cu from 468m indicates a richer zone within the broader mineralization. - Positive factor: Significant Width Evidence · text > Incl. 32m @ 0.71% Cu and 4.1g/t Ag from 468m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-56) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 4.1 - Grade Unit: g/t - Intercept: 32 m - From: 468 m - To: 500 m - Intercept Depth: 468 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:468-500 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 32m at 4.1g/t Ag from 468m indicates silver mineralization. Evidence · text > Incl. 32m @ 0.71% Cu and 4.1g/t Ag from 468m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-57) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.95 - Grade Unit: % - Intercept: 10 m - From: 484 m - To: 494 m - Intercept Depth: 484 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:484-494 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 10m at 0.95% Cu from 484m indicates a richer zone within the broader mineralization. - Positive factor: High Grade Evidence · text > 10m @ 0.95% Cu and 7.4g/t Ag from 484m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-58) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7.4 - Grade Unit: g/t - Intercept: 10 m - From: 484 m - To: 494 m - Intercept Depth: 484 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:484-494 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 10m at 7.4g/t Ag from 484m indicates silver mineralization. Evidence · text > 10m @ 0.95% Cu and 7.4g/t Ag from 484m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-59) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.97 - Grade Unit: % - Intercept: 22 m - From: 610 m - To: 632 m - Intercept Depth: 610 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:610-632 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 22m at 1.97% Cu from 610m indicates bonanza-grade copper mineralization at depth. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > SPRD-04 22m @ 1.97% Cu and 9.2g/t Ag from 610m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-60) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 9.2 - Grade Unit: g/t - Intercept: 22 m - From: 610 m - To: 632 m - Intercept Depth: 610 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-04:610-632 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 22m at 9.2g/t Ag from 610m indicates notable silver mineralization alongside high-grade copper. - Positive factor: Significant Width Evidence · text > SPRD-04 22m @ 1.97% Cu and 9.2g/t Ag from 610m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-61) Pampa Medina · copper #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.41 - Grade Unit: % - Intercept: 146 m - From: 286 m - To: 432 m - Intercept Depth: 286 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:286-432 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 146m at 0.41% Cu from 286m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 146m @ 0.41% Cu and 1.9g/t Ag from 286m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-62) Pampa Medina · silver #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.9 - Grade Unit: g/t - Intercept: 146 m - From: 286 m - To: 432 m - Intercept Depth: 286 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:286-432 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 146m at 1.9g/t Ag from 286m indicates broad silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 146m @ 0.41% Cu and 1.9g/t Ag from 286m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-63) Pampa Medina · copper #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.9 - Grade Unit: % - Intercept: 10 m - From: 308 m - To: 318 m - Intercept Depth: 308 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:308-318 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 10m at 1.90% Cu from 308m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 10m @ 1.90% Cu and 10.6g/t Ag from 308m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-64) Pampa Medina · silver #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 10.6 - Grade Unit: g/t - Intercept: 10 m - From: 308 m - To: 318 m - Intercept Depth: 308 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:308-318 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 10m at 10.6g/t Ag from 308m indicates notable silver mineralization. Evidence · text > Incl. 10m @ 1.90% Cu and 10.6g/t Ag from 308m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-65) Pampa Medina · copper #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.79 - Grade Unit: % - Intercept: 14 m - From: 382 m - To: 396 m - Intercept Depth: 382 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:382-396 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 14m at 0.79% Cu from 382m indicates good copper mineralization. - Positive factor: Significant Width Evidence · text > And 14m @ 0.79% Cu and 2.9g/t Ag from 382m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-66) Pampa Medina · silver #### Identity - Hole ID: SPRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.9 - Grade Unit: g/t - Intercept: 14 m - From: 382 m - To: 396 m - Intercept Depth: 382 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-01:382-396 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 14m at 2.9g/t Ag from 382m indicates silver mineralization. Evidence · text > And 14m @ 0.79% Cu and 2.9g/t Ag from 382m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-67) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.19 - Grade Unit: % - Intercept: 96 m - From: 692 m - To: 788 m - Intercept Depth: 692 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:692-788 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long and high-grade intercept of 96m at 1.19% Cu from 692m indicates broad and continuous copper mineralization at depth. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 96m @ 1.19% Cu and 11.7g/t Ag from 692m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-68) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 11.7 - Grade Unit: g/t - Intercept: 96 m - From: 692 m - To: 788 m - Intercept Depth: 692 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:692-788 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 96m at 11.7g/t Ag from 692m indicates broad silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 96m @ 1.19% Cu and 11.7g/t Ag from 692m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-69) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.7 - Grade Unit: % - Intercept: 16 m - From: 704 m - To: 720 m - Intercept Depth: 704 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:704-720 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 16m at 5.70% Cu from 704m indicates bonanza-grade copper mineralization at depth. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl. 16m @ 5.70% Cu and 62.6g/t Ag from 704m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-70) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 62.6 - Grade Unit: g/t - Intercept: 16 m - From: 704 m - To: 720 m - Intercept Depth: 704 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:704-720 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 16m at 62.6g/t Ag from 704m indicates strong silver mineralization at depth. Evidence · text > Incl. 16m @ 5.70% Cu and 62.6g/t Ag from 704m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-71) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 11.32 - Grade Unit: % - Intercept: 4 m - From: 706 m - To: 710 m - Intercept Depth: 706 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:706-710 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An ultra-high-grade sub-interval of 4m at 11.32% Cu from 706m indicates bonanza-grade copper mineralization at depth. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > 4m of 11.32% Cu and 144.0g/t Ag from 706m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-05 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-72) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 144 - Grade Unit: g/t - Intercept: 4 m - From: 706 m - To: 710 m - Intercept Depth: 706 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-05:706-710 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 4m at 144.0g/t Ag from 706m indicates strong silver mineralization at depth. Evidence · text > 4m of 11.32% Cu and 144.0g/t Ag from 706m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-12 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-73) Pampa Medina · copper #### Identity - Hole ID: SMRD-12 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.4 - Grade Unit: % - Intercept: 56 m - From: 556 m - To: 612 m - Intercept Depth: 556 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-12:556-612 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 56m at 1.4% Cu from 556m indicates strong copper mineralization at depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 56m of 1.4% Cu and 10g/t Ag from 556m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-12 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-74) Pampa Medina · silver #### Identity - Hole ID: SMRD-12 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 10 - Grade Unit: g/t - Intercept: 56 m - From: 556 m - To: 612 m - Intercept Depth: 556 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-12:556-612 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 56m at 10g/t Ag from 556m indicates notable silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 56m of 1.4% Cu and 10g/t Ag from 556m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-75) Pampa Medina · copper #### Identity - Hole ID: SMRD-02 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 132 m - From: 278 m - To: 410 m - Intercept Depth: 278 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-02:278-410 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long and high-grade intercept of 132m at 1.0% Cu from 278m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 132m of 1.0% Cu and 6g/t Ag from 278m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-76) Pampa Medina · silver #### Identity - Hole ID: SMRD-02 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 6 - Grade Unit: g/t - Intercept: 132 m - From: 278 m - To: 410 m - Intercept Depth: 278 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-02:278-410 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 132m at 6g/t Ag from 278m indicates broad silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 132m of 1.0% Cu and 6g/t Ag from 278m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-77) Pampa Medina · copper #### Identity - Hole ID: SMRD-02 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.1 - Grade Unit: % - Intercept: 40 m - From: 282 m - To: 322 m - Intercept Depth: 282 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-02:282-322 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 40m at 2.1% Cu from 282m indicates bonanza-grade copper mineralization within the broader intercept. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 40m of 2.1% Cu and 14g/t Ag from 282m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-78) Pampa Medina · silver #### Identity - Hole ID: SMRD-02 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 14 - Grade Unit: g/t - Intercept: 40 m - From: 282 m - To: 322 m - Intercept Depth: 282 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-02:282-322 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 40m at 14g/t Ag from 282m indicates notable silver mineralization within the broader copper intercept. - Positive factor: Significant Width Evidence · text > Incl. 40m of 2.1% Cu and 14g/t Ag from 282m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-15 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-79) Pampa Medina · copper #### Identity - Hole ID: SMRD-15 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.5 - Grade Unit: % - Intercept: 42 m - From: 158 m - To: 200 m - Intercept Depth: 158 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-15:158-200 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 42m at 0.5% Cu from 158m indicates good copper mineralization at a shallow depth. - Positive factor: Significant Width Evidence · text > 42m of 0.5% Cu from 158m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-80) Pampa Medina · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.43 - Grade Unit: % - Intercept: 38 m - From: 694 m - To: 732 m - Intercept Depth: 694 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-732 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 38m at 1.43% Cu from 694m indicates strong copper mineralization at depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 38m of 1.43% Cu and 11.8g/t Ag from 694m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-81) Pampa Medina · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 11.8 - Grade Unit: g/t - Intercept: 38 m - From: 694 m - To: 732 m - Intercept Depth: 694 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-732 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 38m at 11.8g/t Ag from 694m indicates notable silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 38m of 1.43% Cu and 11.8g/t Ag from 694m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-82) Pampa Medina · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.11 - Grade Unit: % - Intercept: 8 m - From: 694 m - To: 702 m - Intercept Depth: 694 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-702 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 8m at 2.11% Cu from 694m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 8m of 2.11% Cu and 15.5g/t Ag from 694m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-83) Pampa Medina · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 15.5 - Grade Unit: g/t - Intercept: 8 m - From: 694 m - To: 702 m - Intercept Depth: 694 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-702 #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 8m at 15.5g/t Ag from 694m indicates strong silver mineralization. Evidence · text > Incl. 8m of 2.11% Cu and 15.5g/t Ag from 694m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-84) Pampa Medina · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.86 - Grade Unit: % - Intercept: 14 m - From: 718 m - To: 732 m - Intercept Depth: 718 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:718-732 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 14m at 1.86% Cu from 718m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 14m of 1.86% Cu and 19.3g/t Ag from 718m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-01 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-85) Pampa Medina · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 19.3 - Grade Unit: g/t - Intercept: 14 m - From: 718 m - To: 732 m - Intercept Depth: 718 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-01:718-732 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 14m at 19.3g/t Ag from 718m indicates strong silver mineralization. Evidence · text > Incl. 14m of 1.86% Cu and 19.3g/t Ag from 718m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-03 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-86) Pampa Medina · copper #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.55 - Grade Unit: % - Intercept: 18 m - From: 736 m - To: 754 m - Intercept Depth: 736 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-03:736-754 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 18m at 0.55% Cu from 736m indicates good copper mineralization at depth. - Positive factor: Significant Width Evidence · text > 18m of 0.55% Cu from 736m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-03 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-87) Pampa Medina · copper #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 28 m - From: 840 m - To: 868 m - Intercept Depth: 840 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-03:840-868 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 28m at 0.72% Cu from 840m indicates good copper mineralization at depth. - Positive factor: Significant Width Evidence · text > 28m of 0.72% Cu and 5.9g/t Ag from 840m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-03 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-88) Pampa Medina · silver #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.9 - Grade Unit: g/t - Intercept: 28 m - From: 840 m - To: 868 m - Intercept Depth: 840 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-03:840-868 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 28m at 5.9g/t Ag from 840m indicates silver mineralization alongside copper at depth. Evidence · text > 28m of 0.72% Cu and 5.9g/t Ag from 840m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-89) Pampa Medina · copper #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 70 m - From: 434 m - To: 504 m - Intercept Depth: 434 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:434-504 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 70m at 1.0% Cu from 434m indicates strong copper mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 70m of 1.0% Cu and 8g/t Ag from 434m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-90) Pampa Medina · silver #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 8 - Grade Unit: g/t - Intercept: 70 m - From: 434 m - To: 504 m - Intercept Depth: 434 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:434-504 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 70m at 8g/t Ag from 434m indicates notable silver mineralization alongside copper. - Positive factor: Significant Width Evidence · text > 70m of 1.0% Cu and 8g/t Ag from 434m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-91) Pampa Medina · copper #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 4.2 - Grade Unit: % - Intercept: 10 m - From: 438 m - To: 448 m - Intercept Depth: 438 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:438-448 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 10m at 4.2% Cu from 438m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl.10m 4.2% Cu and 38g/t Ag from 438m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-92) Pampa Medina · silver #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 38 - Grade Unit: g/t - Intercept: 10 m - From: 438 m - To: 448 m - Intercept Depth: 438 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:438-448 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 10m at 38g/t Ag from 438m indicates strong silver mineralization. Evidence · text > Incl.10m 4.2% Cu and 38g/t Ag from 438m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-93) Pampa Medina · copper #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.1 - Grade Unit: % - Intercept: 20 m - From: 612 m - To: 632 m - Intercept Depth: 612 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:612-632 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 20m at 1.1% Cu from 612m indicates strong copper mineralization at depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 20m of 1.1% Cu and 3g/t Ag from 612m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-94) Pampa Medina · silver #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3 - Grade Unit: g/t - Intercept: 20 m - From: 612 m - To: 632 m - Intercept Depth: 612 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:612-632 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 20m at 3g/t Ag from 612m indicates silver mineralization at depth. Evidence · text > Incl. 20m of 1.1% Cu and 3g/t Ag from 612m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-16 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-95) Pampa Medina · copper #### Identity - Hole ID: SMRD-16 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.1 - Grade Unit: % - Intercept: 10 m - From: 782 m - To: 792 m - Intercept Depth: 782 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-16:782-792 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 10m at 1.1% Cu from 782m indicates strong copper mineralization at significant depth. - Positive factor: High Grade Evidence · text > Incl. 10m of 1.1% from 782m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-96) Pampa Medina · copper #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.3 - Grade Unit: % - Intercept: 100 m - From: 580 m - To: 680 m - Intercept Depth: 580 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:580-680 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long and high-grade intercept of 100m at 1.3% Cu from 580m indicates broad and continuous copper mineralization at depth. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 100m of 1.3% Cu and 7g/t Ag from 580m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-13 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-97) Pampa Medina · silver #### Identity - Hole ID: SMRD-13 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7 - Grade Unit: g/t - Intercept: 100 m - From: 580 m - To: 680 m - Intercept Depth: 580 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-13:580-680 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 100m at 7g/t Ag from 580m indicates broad silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 100m of 1.3% Cu and 7g/t Ag from 580m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-14 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-98) Pampa Medina · copper #### Identity - Hole ID: SMRD-14 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.54 - Grade Unit: % - Intercept: 14 m - From: 428 m - To: 442 m - Intercept Depth: 428 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-14:428-442 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 14m at 0.54% Cu from 428m indicates good copper mineralization. - Positive factor: Significant Width Evidence · text > 14m of 0.54% Cu from 428m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-99) Pampa Medina · copper #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.65 - Grade Unit: % - Intercept: 104 m - From: 522 m - To: 626 m - Intercept Depth: 522 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:522-626 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 104m at 0.65% Cu from 522m indicates broad and continuous copper mineralization at depth. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 104m of 0.65% Cu and 1.4g/t Ag from 522m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-100) Pampa Medina · silver #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.4 - Grade Unit: g/t - Intercept: 104 m - From: 522 m - To: 626 m - Intercept Depth: 522 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:522-626 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 104m at 1.4g/t Ag from 522m indicates broad silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 104m of 0.65% Cu and 1.4g/t Ag from 522m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-101) Pampa Medina · copper #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.96 - Grade Unit: % - Intercept: 30 m - From: 522 m - To: 552 m - Intercept Depth: 522 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:522-552 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 30m at 0.96% Cu from 522m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 30m of 0.96% Cu and 1.8g/t Ag from 522m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-102) Pampa Medina · silver #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.8 - Grade Unit: g/t - Intercept: 30 m - From: 522 m - To: 552 m - Intercept Depth: 522 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:522-552 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 30m at 1.8g/t Ag from 522m indicates silver mineralization. Evidence · text > Incl. 30m of 0.96% Cu and 1.8g/t Ag from 522m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-103) Pampa Medina · copper #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.28 - Grade Unit: % - Intercept: 20 m - From: 524 m - To: 544 m - Intercept Depth: 524 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:524-544 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 20m at 1.28% Cu from 524m indicates strong copper mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 20m of 1.28% Cu and 2.3g/t Ag from 524m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-104) Pampa Medina · silver #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.3 - Grade Unit: g/t - Intercept: 20 m - From: 524 m - To: 544 m - Intercept Depth: 524 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:524-544 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 20m at 2.3g/t Ag from 524m indicates silver mineralization. Evidence · text > Incl. 20m of 1.28% Cu and 2.3g/t Ag from 524m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-105) Pampa Medina · copper #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.89 - Grade Unit: % - Intercept: 40 m - From: 586 m - To: 626 m - Intercept Depth: 586 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:586-626 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 40m at 0.89% Cu from 586m indicates good copper mineralization at depth. - Positive factor: Significant Width Evidence · text > And 40m of 0.89% Cu and 2.0g/t Ag from 586m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-106) Pampa Medina · silver #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2 - Grade Unit: g/t - Intercept: 40 m - From: 586 m - To: 626 m - Intercept Depth: 586 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:586-626 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 40m at 2.0g/t Ag from 586m indicates silver mineralization alongside copper at depth. Evidence · text > And 40m of 0.89% Cu and 2.0g/t Ag from 586m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-107) Pampa Medina · copper #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.36 - Grade Unit: % - Intercept: 14 m - From: 586 m - To: 600 m - Intercept Depth: 586 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:586-600 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 14m at 1.36% Cu from 586m indicates strong copper mineralization. - Positive factor: High Grade Evidence · text > Incl. 14m of 1.36% Cu and 4.0g/t Ag from 586m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-17 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-108) Pampa Medina · silver #### Identity - Hole ID: SPRD-17 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 4 - Grade Unit: g/t - Intercept: 14 m - From: 586 m - To: 600 m - Intercept Depth: 586 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-17:586-600 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 14m at 4.0g/t Ag from 586m indicates silver mineralization. Evidence · text > Incl. 14m of 1.36% Cu and 4.0g/t Ag from 586m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-109) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 16 m - From: 332 m - To: 348 m - Intercept Depth: 332 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:332-348 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 16m at 1.00% Cu from 332m indicates strong copper mineralization at a shallow depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 16m @ 1.00% Cu and 5.9g/t Ag from 332m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-110) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.9 - Grade Unit: g/t - Intercept: 16 m - From: 332 m - To: 348 m - Intercept Depth: 332 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:332-348 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 16m at 5.9g/t Ag from 332m indicates notable silver mineralization alongside copper. Evidence · text > 16m @ 1.00% Cu and 5.9g/t Ag from 332m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-111) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.51 - Grade Unit: % - Intercept: 4 m - From: 338 m - To: 342 m - Intercept Depth: 338 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:338-342 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 4m at 2.51% Cu from 338m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl. 4m @ 2.51% Cu and 14.5g/t Ag from 338m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-112) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 14.5 - Grade Unit: g/t - Intercept: 4 m - From: 338 m - To: 342 m - Intercept Depth: 338 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:338-342 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 4m at 14.5g/t Ag from 338m indicates strong silver mineralization. Evidence · text > Incl. 4m @ 2.51% Cu and 14.5g/t Ag from 338m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-113) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.17 - Grade Unit: % - Intercept: 8 m - From: 368 m - To: 376 m - Intercept Depth: 368 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:368-376 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 8m at 1.17% Cu from 368m indicates strong copper mineralization. - Positive factor: High Grade Evidence · text > 8m @ 1.17% Cu and 5.0g/t Ag from 368m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-114) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5 - Grade Unit: g/t - Intercept: 8 m - From: 368 m - To: 376 m - Intercept Depth: 368 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:368-376 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 8m at 5.0g/t Ag from 368m indicates silver mineralization alongside copper. Evidence · text > 8m @ 1.17% Cu and 5.0g/t Ag from 368m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-115) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.71 - Grade Unit: % - Intercept: 10 m - From: 660 m - To: 670 m - Intercept Depth: 660 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:660-670 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 10m at 0.71% Cu from 660m indicates good copper mineralization at depth. Evidence · text > 10m @ 0.71% Cu and 6.4g/t Ag from 660m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-116) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 6.4 - Grade Unit: g/t - Intercept: 10 m - From: 660 m - To: 670 m - Intercept Depth: 660 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:660-670 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 10m at 6.4g/t Ag from 660m indicates notable silver mineralization alongside copper at depth. Evidence · text > 10m @ 0.71% Cu and 6.4g/t Ag from 660m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-117) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.06 - Grade Unit: % - Intercept: 4 m - From: 706 m - To: 710 m - Intercept Depth: 706 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:706-710 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 4m at 1.06% Cu from 706m indicates strong copper mineralization at depth. - Positive factor: High Grade Evidence · text > 4m @ 1.06% Cu and 8.5g/t Ag from 706m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-118) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 8.5 - Grade Unit: g/t - Intercept: 4 m - From: 706 m - To: 710 m - Intercept Depth: 706 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:706-710 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 4m at 8.5g/t Ag from 706m indicates notable silver mineralization alongside copper at depth. Evidence · text > 4m @ 1.06% Cu and 8.5g/t Ag from 706m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-119) Pampa Medina · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 4 m - From: 820 m - To: 824 m - Intercept Depth: 820 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:820-824 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 4m at 1.08% Cu from 820m indicates strong copper mineralization at significant depth. - Positive factor: High Grade Evidence · text > 4m @ 1.08% Cu and 17.0g/t Ag from 820m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-04 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-120) Pampa Medina · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 17 - Grade Unit: g/t - Intercept: 4 m - From: 820 m - To: 824 m - Intercept Depth: 820 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-04:820-824 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 4m at 17.0g/t Ag from 820m indicates strong silver mineralization alongside copper at significant depth. Evidence · text > 4m @ 1.08% Cu and 17.0g/t Ag from 820m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-121) Pampa Medina · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.21 - Grade Unit: % - Intercept: 74 m - From: 520 m - To: 594 m - Intercept Depth: 520 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-594 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long and high-grade intercept of 74m at 1.21% Cu from 520m indicates broad and continuous copper mineralization at depth. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 74m @ 1.21% Cu and 7.9g/t Ag from 520m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-122) Pampa Medina · silver #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7.9 - Grade Unit: g/t - Intercept: 74 m - From: 520 m - To: 594 m - Intercept Depth: 520 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-594 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 74m at 7.9g/t Ag from 520m indicates broad silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 74m @ 1.21% Cu and 7.9g/t Ag from 520m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-123) Pampa Medina · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.07 - Grade Unit: % - Intercept: 12 m - From: 532 m - To: 544 m - Intercept Depth: 532 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-02:532-544 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 12m at 2.07% Cu from 532m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 12m @ 2.07% Cu and 17.2g/t Ag from 532m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SWRD-02 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-124) Pampa Medina · silver #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 17.2 - Grade Unit: g/t - Intercept: 12 m - From: 532 m - To: 544 m - Intercept Depth: 532 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SWRD-02:532-544 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 12m at 17.2g/t Ag from 532m indicates strong silver mineralization. Evidence · text > Incl. 12m @ 2.07% Cu and 17.2g/t Ag from 532m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-125) Pampa Medina · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.37 - Grade Unit: % - Intercept: 24 m - From: 600 m - To: 624 m - Intercept Depth: 600 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-624 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 24m at 1.37% Cu from 600m indicates strong copper mineralization at depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 24m @ 1.37% Cu and 12.2g/t Ag from 600m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-126) Pampa Medina · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 12.2 - Grade Unit: g/t - Intercept: 24 m - From: 600 m - To: 624 m - Intercept Depth: 600 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-624 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 24m at 12.2g/t Ag from 600m indicates notable silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 24m @ 1.37% Cu and 12.2g/t Ag from 600m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-127) Pampa Medina · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.58 - Grade Unit: % - Intercept: 10 m - From: 606 m - To: 616 m - Intercept Depth: 606 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:606-616 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 10m at 2.58% Cu from 606m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl. 10m @ 2.58% Cu and 25.8g/t Ag from 606m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-128) Pampa Medina · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 25.8 - Grade Unit: g/t - Intercept: 10 m - From: 606 m - To: 616 m - Intercept Depth: 606 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:606-616 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 10m at 25.8g/t Ag from 606m indicates strong silver mineralization. Evidence · text > Incl. 10m @ 2.58% Cu and 25.8g/t Ag from 606m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-129) Pampa Medina · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 36 m - From: 158 m - To: 194 m - Intercept Depth: 158 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:158-194 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 36m at 1.08% Cu from 158m indicates strong copper mineralization at a shallow depth. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 36m @ 1.08% Cu and 13.8g/t Ag from 158m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-130) Pampa Medina · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 13.8 - Grade Unit: g/t - Intercept: 36 m - From: 158 m - To: 194 m - Intercept Depth: 158 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:158-194 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 36m at 13.8g/t Ag from 158m indicates notable silver mineralization alongside copper at a shallow depth. - Positive factor: Significant Width Evidence · text > 36m @ 1.08% Cu and 13.8g/t Ag from 158m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-131) Pampa Medina · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 3.01 - Grade Unit: % - Intercept: 6 m - From: 166 m - To: 172 m - Intercept Depth: 166 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:166-172 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 6m at 3.01% Cu from 166m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > Incl. 6m @ 3.01% Cu and 37.3g/t Ag from 166m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-34 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-132) Pampa Medina · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 37.3 - Grade Unit: g/t - Intercept: 6 m - From: 166 m - To: 172 m - Intercept Depth: 166 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-34:166-172 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 6m at 37.3g/t Ag from 166m indicates strong silver mineralization. Evidence · text > Incl. 6m @ 3.01% Cu and 37.3g/t Ag from 166m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-24 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-133) Pampa Medina · copper #### Identity - Hole ID: SMRD-24 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.44 - Grade Unit: % - Intercept: 68 m - From: 288 m - To: 356 m - Intercept Depth: 288 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-24:288-356 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 68m at 0.44% Cu from 288m indicates good copper mineralization at a shallow depth. - Positive factor: Significant Width Evidence · text > 68m @ 0.44% Cu from 288m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-24 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-134) Pampa Medina · copper #### Identity - Hole ID: SMRD-24 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.99 - Grade Unit: % - Intercept: 6 m - From: 312 m - To: 318 m - Intercept Depth: 312 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-24:312-318 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 6m at 1.99% Cu from 312m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: High Grade Evidence · text > Incl. 6m @ 1.99% Cu and 16.0g/t Ag from 312m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-24 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-135) Pampa Medina · silver #### Identity - Hole ID: SMRD-24 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 16 - Grade Unit: g/t - Intercept: 6 m - From: 312 m - To: 318 m - Intercept Depth: 312 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-24:312-318 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 6m at 16.0g/t Ag from 312m indicates strong silver mineralization. Evidence · text > Incl. 6m @ 1.99% Cu and 16.0g/t Ag from 312m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-24 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-136) Pampa Medina · copper #### Identity - Hole ID: SMRD-24 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.24 - Grade Unit: % - Intercept: 16 m - From: 394 m - To: 410 m - Intercept Depth: 394 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-24:394-410 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 16m at 1.24% Cu from 394m indicates strong copper mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > 16m @ 1.24% Cu and 5.4g/t Ag from 394m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-24 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-137) Pampa Medina · silver #### Identity - Hole ID: SMRD-24 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.4 - Grade Unit: g/t - Intercept: 16 m - From: 394 m - To: 410 m - Intercept Depth: 394 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-24:394-410 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 16m at 5.4g/t Ag from 394m indicates silver mineralization alongside copper. Evidence · text > 16m @ 1.24% Cu and 5.4g/t Ag from 394m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMD-03 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-138) Pampa Medina · copper #### Identity - Hole ID: SMD-03 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 42 m - From: 226 m - To: 268 m - Intercept Depth: 226 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMD-03:226-268 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 42m at 0.72% Cu from 226m indicates good copper mineralization at a shallow depth. - Positive factor: Significant Width Evidence · text > 42m @ 0.72% Cu and 5.7g/t Ag from 226m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMD-03 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-139) Pampa Medina · silver #### Identity - Hole ID: SMD-03 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.7 - Grade Unit: g/t - Intercept: 42 m - From: 226 m - To: 268 m - Intercept Depth: 226 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMD-03:226-268 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 42m at 5.7g/t Ag from 226m indicates notable silver mineralization alongside copper at a shallow depth. Evidence · text > 42m @ 0.72% Cu and 5.7g/t Ag from 226m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-22 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-140) Pampa Medina · copper #### Identity - Hole ID: SMRD-22 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.06 - Grade Unit: % - Intercept: 134 m - From: 102 m - To: 236 m - Intercept Depth: 102 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-22:102-236 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long and high-grade intercept of 134m at 1.06% Cu from 102m indicates broad and continuous copper mineralization at a very shallow depth. - Positive factor: Strong Continuity - Positive factor: Significant Width - Positive factor: High Grade Evidence · text > 134m @ 1.06% Cu and 8.1g/t Ag from 102m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-22 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-141) Pampa Medina · silver #### Identity - Hole ID: SMRD-22 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 8.1 - Grade Unit: g/t - Intercept: 134 m - From: 102 m - To: 236 m - Intercept Depth: 102 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-22:102-236 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 134m at 8.1g/t Ag from 102m indicates broad silver mineralization alongside copper at a very shallow depth. - Positive factor: Significant Width Evidence · text > 134m @ 1.06% Cu and 8.1g/t Ag from 102m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-22 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-142) Pampa Medina · copper #### Identity - Hole ID: SMRD-22 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.05 - Grade Unit: % - Intercept: 48 m - From: 186 m - To: 234 m - Intercept Depth: 186 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-22:186-234 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 48m at 2.05% Cu from 186m indicates bonanza-grade copper mineralization within the broader intercept. - Positive factor: Bonanza Intercept - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 48m @ 2.05% Cu and 13.5g/t Ag from 186m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-22 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-143) Pampa Medina · silver #### Identity - Hole ID: SMRD-22 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 13.5 - Grade Unit: g/t - Intercept: 48 m - From: 186 m - To: 234 m - Intercept Depth: 186 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-22:186-234 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 48m at 13.5g/t Ag from 186m indicates notable silver mineralization within the broader copper intercept. - Positive factor: Significant Width Evidence · text > Incl. 48m @ 2.05% Cu and 13.5g/t Ag from 186m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SMRD-22 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-144) Pampa Medina · copper #### Identity - Hole ID: SMRD-22 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.56 - Grade Unit: % - Intercept: 22 m - From: 306 m - To: 328 m - Intercept Depth: 306 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SMRD-22:306-328 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 22m at 0.56% Cu from 306m indicates good copper mineralization. - Positive factor: Significant Width Evidence · text > 22m @ 0.56% Cu from 306m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-145) Pampa Medina · copper #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.41 - Grade Unit: % - Intercept: 660 m - From: 386 m - To: 1046 m - Intercept Depth: 386 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:386-1046 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 660m at 0.41% Cu from 386m indicates broad and continuous copper mineralization. - Positive factor: Strong Continuity - Positive factor: Continuous Intercept Evidence · text > 660m of 0.41% Cu and 1.8g/t Ag from 386m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-146) Pampa Medina · silver #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.8 - Grade Unit: g/t - Intercept: 660 m - From: 386 m - To: 1046 m - Intercept Depth: 386 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:386-1046 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A very long intercept of 660m at 1.8g/t Ag from 386m indicates broad silver mineralization alongside copper. - Positive factor: Continuous Intercept Evidence · text > 660m of 0.41% Cu and 1.8g/t Ag from 386m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-147) Pampa Medina · copper #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.21 - Grade Unit: % - Intercept: 98 m - From: 386 m - To: 484 m - Intercept Depth: 386 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:386-484 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 98m at 1.21% Cu from 386m enhances the overall intercept, indicating a richer zone within the broader mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > Incl. 98m of 1.21% Cu and 7.6g/t Ag from 386m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-148) Pampa Medina · silver #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7.6 - Grade Unit: g/t - Intercept: 98 m - From: 386 m - To: 484 m - Intercept Depth: 386 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:386-484 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 98m at 7.6g/t Ag from 386m indicates notable silver mineralization within the broader copper intercept. Evidence · text > Incl. 98m of 1.21% Cu and 7.6g/t Ag from 386m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-149) Pampa Medina · copper #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 2.9 - Grade Unit: % - Intercept: 16 m - From: 388 m - To: 404 m - Intercept Depth: 388 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:388-404 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An exceptional high-grade sub-interval of 16m at 2.90% Cu from 388m indicates bonanza-grade copper mineralization. - Positive factor: Bonanza Intercept - Positive factor: Exceptional Grade Evidence · text > And 16m of 2.90% Cu and 21.2g/t Ag from 388m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-150) Pampa Medina · silver #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 21.2 - Grade Unit: g/t - Intercept: 16 m - From: 388 m - To: 404 m - Intercept Depth: 388 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:388-404 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 16m at 21.2g/t Ag from 388m indicates strong silver mineralization. Evidence · text > And 16m of 2.90% Cu and 21.2g/t Ag from 388m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-151) Pampa Medina · copper #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 58 m - From: 426 m - To: 484 m - Intercept Depth: 426 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:426-484 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 58m at 1.08% Cu from 426m indicates strong copper mineralization. - Positive factor: High Grade - Positive factor: Significant Width Evidence · text > And 58m of 1.08% Cu and 6.5g/t Ag from 426m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-08B [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-152) Pampa Medina · silver #### Identity - Hole ID: SPRD-08B - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 6.5 - Grade Unit: g/t - Intercept: 58 m - From: 426 m - To: 484 m - Intercept Depth: 426 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-08B:426-484 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 58m at 6.5g/t Ag from 426m indicates notable silver mineralization alongside copper. Evidence · text > And 58m of 1.08% Cu and 6.5g/t Ag from 426m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-153) Pampa Medina · copper #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.37 - Grade Unit: % - Intercept: 254 m - From: 538 m - To: 792 m - Intercept Depth: 538 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:538-792 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 254m at 0.37% Cu from 538m indicates broad and continuous copper mineralization at depth. - Positive factor: Strong Continuity - Positive factor: Significant Width Evidence · text > 254m of 0.37% Cu and 1.6g/t Ag from 538m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-154) Pampa Medina · silver #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.6 - Grade Unit: g/t - Intercept: 254 m - From: 538 m - To: 792 m - Intercept Depth: 538 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:538-792 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A long intercept of 254m at 1.6g/t Ag from 538m indicates broad silver mineralization alongside copper at depth. - Positive factor: Significant Width Evidence · text > 254m of 0.37% Cu and 1.6g/t Ag from 538m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-155) Pampa Medina · copper #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.88 - Grade Unit: % - Intercept: 28 m - From: 594 m - To: 622 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:594-622 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A significant intercept of 28m at 0.88% Cu from 594m indicates good copper mineralization. - Positive factor: Significant Width Evidence · text > Incl. 28m of 0.88% Cu and 5.4g/t Ag from 594m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-156) Pampa Medina · silver #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 5.4 - Grade Unit: g/t - Intercept: 28 m - From: 594 m - To: 622 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:594-622 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 28m at 5.4g/t Ag from 594m indicates notable silver mineralization alongside copper. Evidence · text > Incl. 28m of 0.88% Cu and 5.4g/t Ag from 594m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-157) Pampa Medina · copper #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 1.37 - Grade Unit: % - Intercept: 16 m - From: 594 m - To: 610 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:594-610 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade sub-interval of 16m at 1.37% Cu from 594m indicates strong copper mineralization. - Positive factor: High Grade Evidence · text > Incl. 16m of 1.37% Cu and 8.5g/t Ag from 594m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-158) Pampa Medina · silver #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 8.5 - Grade Unit: g/t - Intercept: 16 m - From: 594 m - To: 610 m - Intercept Depth: 594 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:594-610 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A sub-interval of 16m at 8.5g/t Ag from 594m indicates notable silver mineralization. Evidence · text > Incl. 16m of 1.37% Cu and 8.5g/t Ag from 594m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-159) Pampa Medina · copper #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 0.96 - Grade Unit: % - Intercept: 14 m - From: 704 m - To: 718 m - Intercept Depth: 704 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:704-718 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: A high-grade intercept of 14m at 0.96% Cu from 704m indicates strong copper mineralization at depth. - Positive factor: High Grade Evidence · text > And 14m of 0.96% Cu and 7.3g/t Ag from 704m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### SPRD-10 [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-drill-facts-160) Pampa Medina · silver #### Identity - Hole ID: SPRD-10 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MC2 #### Geometry - Grade: 7.3 - Grade Unit: g/t - Intercept: 14 m - From: 704 m - To: 718 m - Intercept Depth: 704 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SPRD-10:704-718 - Mining Method: open\_pit #### QA/QC - QA/QC Methods: standards #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: An intercept of 14m at 7.3g/t Ag from 704m indicates notable silver mineralization alongside copper at depth. Evidence · text > And 14m of 0.96% Cu and 7.3g/t Ag from 704m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ## Resource Estimates (5) ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-resource-facts-0) Marimaca Oxide Deposit · copper #### Identity - Project: Marimaca Oxide Deposit - Commodity: copper - Region: chile - Reported Region: Chile - Ticker: MC2 #### Resource scope - Estimate type: resource - Reporting standards: jorc, ni\_43\_101 - QP Signed: Yes - Qualified person names: Luis Oviedo, Carlos Guzman - Resource group id: resource:a9256d8489c34b36cc83 #### Resource Data - Category: measured - Tonnes: 103258000 - Grade: 0.45 - Grade Unit: % CuT - Cutoff Grade: 0.1 - Cutoff Unit: % CuT #### Prior Estimate - Resource Date: 2025-08-25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The Measured resource category represents the highest confidence in the estimate, indicating well-established tonnage and grade, and is compliant with JORC and NI 43-101 standards. - Positive factor: Measured Resource - Positive factor: Category Upgrade - Positive factor: JORC Compliant - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed Evidence · table > 103,258 Context: 0.45 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-resource-facts-1) Marimaca Oxide Deposit · copper #### Identity - Project: Marimaca Oxide Deposit - Commodity: copper - Region: chile - Reported Region: Chile - Ticker: MC2 #### Resource scope - Estimate type: resource - Reporting standards: jorc, ni\_43\_101 - QP Signed: Yes - Qualified person names: Luis Oviedo, Carlos Guzman - Resource group id: resource:4807595b21b7e783e4bf #### Resource Data - Category: indicated - Tonnes: 110118000 - Grade: 0.35 - Grade Unit: % CuT - Cutoff Grade: 0.1 - Cutoff Unit: % CuT #### Prior Estimate - Resource Date: 2025-08-25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The Indicated resource category provides reasonable geological confidence, supporting economic studies, and is compliant with JORC and NI 43-101 standards. - Positive factor: Indicated Resource - Positive factor: Category Upgrade - Positive factor: JORC Compliant - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed Evidence · table > 110,118 Context: 0.35 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-resource-facts-2) Marimaca Oxide Deposit · copper #### Identity - Project: Marimaca Oxide Deposit - Commodity: copper - Region: chile - Reported Region: Chile - Ticker: MC2 #### Resource scope - Estimate type: resource - Reporting standards: jorc, ni\_43\_101 - QP Signed: Yes - Qualified person names: Luis Oviedo, Carlos Guzman - Resource group id: resource:61ef8b61f2ff8db6617e #### Resource Data - Category: inferred - Tonnes: 21193000 - Grade: 0.29 - Grade Unit: % CuT - Contained Metal: 62 - Contained Unit: kt - Cutoff Grade: 0.1 - Cutoff Unit: % CuT #### Prior Estimate - Resource Date: 2025-08-25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The Inferred resource category is speculative with limited drilling, but it is compliant with JORC and NI 43-101 standards and contributes to the overall resource base. - Positive factor: JORC Compliant - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed - Negative factor: Inferred Resource Evidence · table > 21,193 Context: 0.29 #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-resource-facts-3) Marimaca Oxide Deposit · copper #### Identity - Project: Marimaca Oxide Deposit - Commodity: copper - Region: chile - Reported Region: Chile - Ticker: MC2 #### Resource scope - Estimate type: reserve - Reporting standards: jorc, ni\_43\_101 - QP Signed: Yes - Qualified person names: Luis Oviedo, Carlos Guzman - Resource group id: resource:247ff8eaaaecb600d5bd #### Resource Data - Category: proven - Tonnes: 94297000 - Grade: 0.46 - Grade Unit: %CuT - Contained Metal: 433.4 - Contained Unit: kt - Cutoff Grade: 0.1 - Cutoff Unit: %CuT #### Prior Estimate - Resource Date: 2025-08-25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The Proved Mineral Reserve represents the highest confidence category, with demonstrated economic viability, and is compliant with JORC and NI 43-101 standards. - Positive factor: Proven Reserve - Positive factor: JORC Compliant - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed Evidence · table > 94,297 Context: 0.46 #### Tags used in scoring **Proven Reserve** Polarity: positive Definition: Measured Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "proven" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/mc2-marimaca-october-corporate-presentation--ce96f90e-f4d8-477e-aaf7-d1a5ab44f59d#fact-resource-facts-4) Marimaca Oxide Deposit · copper #### Identity - Project: Marimaca Oxide Deposit - Commodity: copper - Region: chile - Reported Region: Chile - Ticker: MC2 #### Resource scope - Estimate type: reserve - Reporting standards: jorc, ni\_43\_101 - QP Signed: Yes - Qualified person names: Luis Oviedo, Carlos Guzman - Resource group id: resource:656c37b1f8ca737b998a #### Resource Data - Category: probable - Tonnes: 84339000 - Grade: 0.37 - Grade Unit: %CuT - Contained Metal: 314.2 - Contained Unit: kt - Cutoff Grade: 0.1 - Cutoff Unit: %CuT #### Prior Estimate - Resource Date: 2025-08-25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-08T00:00:00.000Z Reasoning: The Probable Mineral Reserve indicates a high level of confidence in economic viability, supported by adequate drilling, and is compliant with JORC and NI 43-101 standards. - Positive factor: Probable Reserve - Positive factor: JORC Compliant - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed Evidence · table > 84,339 Context: 0.37 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.