# COB: Annual Report to shareholders Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771 Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03143604 Publisher: asx Original announcement: 2026-09-24T08:13:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-24T09:10:37.381Z Atlas analysis updated: 2026-09-24T09:10:37.381Z - Company: COBALT BLUE HOLDINGS LIMITED - Ticker: COB - Exchange: ASX - Region: Western Australia - Primary commodity: Cobalt - Secondary commodities: Nickel, Copper, Zinc, Silver, Lead, Sulfur, Gold, Manganese, Iron ore, Rare earth elements, Titanium - Document categories: Resource update, Capital raise, Metallurgy - Extracted: 2026-09-24 09:10:38 UTC Narrative sentiment: 0.30 · Bullish ## Minestarters Atlas summary Cobalt Blue Holdings Limited's 2026 Annual Report highlights significant progress on its Kwinana Cobalt Refinery, including product qualification and regulatory approvals, alongside successful capital raises. The company also advanced strategic partnerships for polymetallic nodule processing and battery black mass recycling. However, the report notes a substantial financial loss and an auditor's warning regarding going concern, while key resource estimates remained unchanged from the prior year. Reasoning: The annual report details significant operational advancements for the Kwinana Cobalt Refinery, including meeting product specifications and securing key permits, alongside successful capital raises and new strategic partnerships. However, these positives are tempered by a substantial financial loss, a going concern warning from the auditor, and unchanged resource estimates for key projects, suggesting a mixed but generally forward-moving trajectory for the company. - Positive factor: Significant progress on Kwinana Cobalt Refinery \(KCR\) with samples meeting stringent specifications and Works Approval received, advancing towards Final Investment Decision \(FID\). - Positive factor: Successful capital raises totaling $8.8 million in September and December 2025 provide funding for ongoing operations and project development. - Positive factor: Strategic partnerships and R&D initiatives, including a consortium agreement with Glomar Minerals LLC for polymetallic nodule processing and CSIRO collaboration for graphite recovery, diversify the company's technology application and market reach. - Positive factor: Broken Hill Cobalt Project \(BHCP\) Major Project Status extended, and a Preliminary Feasibility Study \(PFS\) commenced to optimize project scale and reduce capital intensity. - Negative factor: The auditor's report highlights a material uncertainty related to going concern, indicating reliance on future funding or cost rationalization. - Negative factor: The company reported a net loss of $8.797 million for the year, including a significant non-cash fair value loss on derivatives of $4.313 million. - Negative factor: Resource estimates for both Broken Hill Cobalt Project and Halls Creek Project remain unchanged from the previous year, indicating no new geological discoveries or upgrades in confidence. - Negative factor: The Halls Creek Project Scoping Study Update is still underway, with completion expected in Q4 2026, delaying progression to a PFS. Facts used in scoring: 89 ## Classification and evidence **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: The Mineral Resource estimates for the BHCP and Halls Creek Project were reported in accordance with the guidelines of the 2012 edition of the Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves \(2012 JORC Code\). Evidence · text > The Mineral Resource estimate for the BHCP at 30 June 2026 remains unchanged from last year. The estimate was reported in accordance with the guidelines of the 2012 edition of the Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves \(2012 JORC Code\). **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: The Mineral Resources and Ore Reserves Statement has been approved by Dr Andrew Tong, a Competent Person who is a Member of the AusIMM. Evidence · text > The Statement as a whole has been approved by Dr Andrew Tong, a Competent Person who is a Member of the AusIMM. **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The Broken Hill Cobalt Project includes 43.0 Mt of Inferred resource, which is a speculative category with limited drilling. Evidence · table > 43.0 Context: 43.0 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: The Mineral Resource estimates for both the Broken Hill Cobalt Project and Halls Creek Project remain unchanged from the previous year. Evidence · text > The Mineral Resource estimate for the BHCP at 30 June 2026 remains unchanged from last year. **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: The Sandiego deposit has an Indicated resource of 3.7 Mt out of a total of 4.1 Mt, representing 90% M&I, and Onedin has 100% Indicated resource, indicating high confidence. Evidence · table > Indicated 1.7 Context: 1.7 **Permitting Milestone** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The company received Works Approval for the Kwinana Cobalt Refinery and had the Major Project Status for Broken Hill Cobalt Project extended. Evidence · text > Received Works Approval for the Kwinana Cobalt Refinery from Western Australia’s Department of Water and Environmental Regulation **Capital Raise** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The company completed two institutional equity placements in September and December 2025, raising a total of $8.8 million. Evidence · text > The Company completed a successful capital raise of just over $2.5m in September 2025. **Metallurgical Testwork** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: Cobalt sulphate samples met stringent trace metal specifications, and the company is developing a process to recover graphite from battery black mass. Evidence · text > Received confirmation that cobalt sulphate samples had met stringent trace metal specifications **Strategic Partnership** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The company entered into a Consortium Agreement with Glomar Minerals LLC to advance polymetallic nodule processing. Evidence · text > Entered into a Consortium Agreement with Glomar Minerals LLC to advance polymetallic nodule processing **Going Concern Risk** Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Why it applies: The auditor's report highlights a material uncertainty related to going concern, indicating reliance on future funding or cost rationalization. Evidence · text > We draw attention to the note 1b Going Concern in the financial report which describes the events and/or conditions which give rise to the existence of a material uncertainty that may cast significant doubt about the group’s ability to continue as a going concern **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: the document describes a heap\_leach route \("heap leach"\) **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a mill\_cil route \("concentrator"\) **Single Domain Only** Polarity: negative Definition: Testing limited to one composite or domain — representativeness not established. Why it applies: only one composite was tested ## Extracted facts Stored fact records: 89. Some facts used in scoring do not have a stored record. ## Resource Estimates (86) ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-0) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:a500fc6797ae8cb2c503 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: measured - Tonnes: 23700000 - Grade: 1143 - Grade Unit: ppm - Contained Metal: 21.7 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Measured resource provides a high level of confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Measured category indicates high geological confidence, suitable for detailed studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1,143 Context: 23.7 #### 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 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-1) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:a500fc6797ae8cb2c503 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: measured - Tonnes: 23700000 - Grade: 917 - Grade Unit: ppm - Contained Metal: 21.7 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Measured resource provides a high level of confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Measured category indicates high geological confidence, suitable for detailed studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 917 Context: 23.7 #### 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 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-2) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:a500fc6797ae8cb2c503 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: measured - Tonnes: 23700000 - Grade: 9.6 - Grade Unit: % - Contained Metal: 2277 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Measured resource provides a high level of confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Measured category indicates high geological confidence, suitable for detailed studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 9.6 Context: 23.7 #### 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 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-3) Broken Hill Cobalt Project · nickel #### Identity - Project: Broken Hill Cobalt Project - Commodity: nickel - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:a500fc6797ae8cb2c503 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: measured - Tonnes: 23700000 - Grade: 170 - Grade Unit: ppm - Contained Metal: 4 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Measured resource provides a high level of confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Measured category indicates high geological confidence, suitable for detailed studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 170 Context: 23.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-4) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:d684ad067f21c0518bbc - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: indicated - Tonnes: 59900000 - Grade: 810 - Grade Unit: ppm - Contained Metal: 38.6 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 810 Context: 59.9 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-5) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:d684ad067f21c0518bbc - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: indicated - Tonnes: 59900000 - Grade: 644 - Grade Unit: ppm - Contained Metal: 38.6 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 644 Context: 59.9 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-6) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:d684ad067f21c0518bbc - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: indicated - Tonnes: 59900000 - Grade: 7 - Grade Unit: % - Contained Metal: 4217 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.0 Context: 59.9 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-7) Broken Hill Cobalt Project · nickel #### Identity - Project: Broken Hill Cobalt Project - Commodity: nickel - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:d684ad067f21c0518bbc - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: indicated - Tonnes: 59900000 - Grade: 126 - Grade Unit: ppm - Contained Metal: 7.6 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 126 Context: 59.9 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-8) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bddc4129952626075dd7 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 43000000 - Grade: 795 - Grade Unit: ppm - Contained Metal: 27 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 795 Context: 43.0 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-9) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bddc4129952626075dd7 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 43000000 - Grade: 629 - Grade Unit: ppm - Contained Metal: 27 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 629 Context: 43.0 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-10) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bddc4129952626075dd7 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 43000000 - Grade: 7 - Grade Unit: % - Contained Metal: 3016 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.0 Context: 43.0 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-11) Broken Hill Cobalt Project · nickel #### Identity - Project: Broken Hill Cobalt Project - Commodity: nickel - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bddc4129952626075dd7 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 43000000 - Grade: 127 - Grade Unit: ppm - Contained Metal: 5.4 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 127 Context: 43.0 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-12) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bebbc6f4ca47182b25d9 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 867 - Grade Unit: ppm - Contained Metal: 87.3 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 867 Context: 126.5 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-13) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bebbc6f4ca47182b25d9 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 690 - Grade Unit: ppm - Contained Metal: 87.3 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 690 Context: 126.5 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-14) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bebbc6f4ca47182b25d9 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 7.5 - Grade Unit: % - Contained Metal: 9510 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.5 Context: 126.5 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-15) Broken Hill Cobalt Project · nickel #### Identity - Project: Broken Hill Cobalt Project - Commodity: nickel - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bebbc6f4ca47182b25d9 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 134 - Grade Unit: ppm - Contained Metal: 17 - Contained Unit: kt - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 134 Context: 126.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-16) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:772ef13ec5ca6e3f3335 - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1700000 - Grade: 2.3 - Grade Unit: % - Contained Metal: 39.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 2.3 Context: 1.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-17) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:772ef13ec5ca6e3f3335 - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1700000 - Grade: 3.4 - Grade Unit: kt - Contained Metal: 3.4 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 3.4 Context: 1.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-18) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:772ef13ec5ca6e3f3335 - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1700000 - Grade: 13.6 - Grade Unit: kt - Contained Metal: 13.6 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 13.6 Context: 1.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-19) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:772ef13ec5ca6e3f3335 - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1700000 - Grade: 0.98 - Grade Unit: moz - Contained Metal: 0.98 - Contained Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.98 Context: 1.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-20) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:772ef13ec5ca6e3f3335 - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1700000 - Grade: 0.3 - Grade Unit: g/t - Contained Metal: 16.4 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.3 Context: 1.7 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-21) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:88e5022c07bc836092db - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: inferred - Tonnes: 300000 - Grade: 1.6 - Grade Unit: % - Contained Metal: 4.8 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.6 Context: 0.3 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-22) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:88e5022c07bc836092db - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: inferred - Tonnes: 300000 - Grade: 9 - Grade Unit: kt - Contained Metal: 9 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 9.0 Context: 0.3 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-23) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:88e5022c07bc836092db - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: inferred - Tonnes: 300000 - Grade: 0.05 - Grade Unit: moz - Contained Metal: 0.05 - Contained Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.05 Context: 0.3 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-24) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:88e5022c07bc836092db - Deposit or zone: Sandiego \(Copper zone\) #### Resource Data - Category: inferred - Tonnes: 300000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 1.9 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 0.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-25) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:8400c645b6100a7b1228 - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 2000000 - Grade: 0.6 - Grade Unit: % - Contained Metal: 12 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.6 Context: 2.0 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-26) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:8400c645b6100a7b1228 - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 2000000 - Grade: 14 - Grade Unit: kt - Contained Metal: 14 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 14.0 Context: 2.0 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-27) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:8400c645b6100a7b1228 - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 2000000 - Grade: 146 - Grade Unit: kt - Contained Metal: 146 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 146.0 Context: 2.0 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-28) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:8400c645b6100a7b1228 - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 2000000 - Grade: 2.25 - Grade Unit: moz - Contained Metal: 2.25 - Contained Unit: moz - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 2.25 Context: 2.0 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-29) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:8400c645b6100a7b1228 - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 2000000 - Grade: 0.1 - Grade Unit: g/t - Contained Metal: 6.4 - Contained Unit: koz - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 2.0 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-30) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c442ab95da6d4e4a150c - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 0.2 - Grade Unit: % - Contained Metal: 0.2 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 0.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-31) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c442ab95da6d4e4a150c - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 0.1 - Grade Unit: kt - Contained Metal: 0.1 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 0.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-32) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c442ab95da6d4e4a150c - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 6.1 - Grade Unit: kt - Contained Metal: 6.1 - Contained Unit: kt - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 6.1 Context: 0.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-33) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c442ab95da6d4e4a150c - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 0.03 - Grade Unit: moz - Contained Metal: 0.03 - Contained Unit: moz - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.03 Context: 0.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-34) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c442ab95da6d4e4a150c - Deposit or zone: Sandiego \(Zinc zone\) #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 0.1 - Grade Unit: g/t - Contained Metal: 0.3 - Contained Unit: koz - Cutoff Grade: 3 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 0.1 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-35) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:1a86d06d3df385b826e8 - Deposit or zone: Sandiego #### Resource Data - Category: indicated - Tonnes: 3700000 - Grade: 1.4 - Grade Unit: % - Contained Metal: 51.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.4 Context: 3.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-36) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:1a86d06d3df385b826e8 - Deposit or zone: Sandiego #### Resource Data - Category: indicated - Tonnes: 3700000 - Grade: 17.4 - Grade Unit: kt - Contained Metal: 17.4 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 17.4 Context: 3.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-37) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:1a86d06d3df385b826e8 - Deposit or zone: Sandiego #### Resource Data - Category: indicated - Tonnes: 3700000 - Grade: 159.6 - Grade Unit: kt - Contained Metal: 159.6 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 159.6 Context: 3.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-38) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:1a86d06d3df385b826e8 - Deposit or zone: Sandiego #### Resource Data - Category: indicated - Tonnes: 3700000 - Grade: 3.23 - Grade Unit: moz - Contained Metal: 3.23 - Contained Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 3.23 Context: 3.7 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-39) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:1a86d06d3df385b826e8 - Deposit or zone: Sandiego #### Resource Data - Category: indicated - Tonnes: 3700000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 22.8 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 3.7 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-40) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c2cbfc09dfd1942564cb - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 1.3 - Grade Unit: % - Contained Metal: 5 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.3 Context: 0.4 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-41) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c2cbfc09dfd1942564cb - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 0.1 - Grade Unit: kt - Contained Metal: 0.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 0.4 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-42) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c2cbfc09dfd1942564cb - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 15.1 - Grade Unit: kt - Contained Metal: 15.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 15.1 Context: 0.4 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-43) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c2cbfc09dfd1942564cb - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 0.08 - Grade Unit: moz - Contained Metal: 0.08 - Contained Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.08 Context: 0.4 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-44) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c2cbfc09dfd1942564cb - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 2.2 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 0.4 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-45) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3df81fcec8cf30ccc5d4 - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 1.4 - Grade Unit: % - Contained Metal: 56.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.4 Context: 4.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-46) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3df81fcec8cf30ccc5d4 - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 0.4 - Grade Unit: % - Contained Metal: 17.5 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.4 Context: 4.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-47) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3df81fcec8cf30ccc5d4 - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 4.2 - Grade Unit: % - Contained Metal: 174.7 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 4.2 Context: 4.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-48) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3df81fcec8cf30ccc5d4 - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 25 - Grade Unit: g/t - Contained Metal: 3.31 - Contained Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 25 Context: 4.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-49) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3df81fcec8cf30ccc5d4 - Deposit or zone: Sandiego #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 25 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 4.1 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-50) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c0e617ef3e81b641a881 - Deposit or zone: Onedin \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1500000 - Grade: 1.1 - Grade Unit: % - Contained Metal: 16.5 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.1 Context: 1.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-51) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c0e617ef3e81b641a881 - Deposit or zone: Onedin \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1500000 - Grade: 18 - Grade Unit: kt - Contained Metal: 18 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 18.0 Context: 1.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-52) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c0e617ef3e81b641a881 - Deposit or zone: Onedin \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1500000 - Grade: 9 - Grade Unit: kt - Contained Metal: 9 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 9.0 Context: 1.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-53) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c0e617ef3e81b641a881 - Deposit or zone: Onedin \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1500000 - Grade: 2.27 - Grade Unit: moz - Contained Metal: 2.27 - Contained Unit: moz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 2.27 Context: 1.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-54) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:c0e617ef3e81b641a881 - Deposit or zone: Onedin \(Copper zone\) #### Resource Data - Category: indicated - Tonnes: 1500000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 9.7 - Contained Unit: koz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 1.5 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-55) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3848572f876ec9a7ef56 - Deposit or zone: Onedin \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 3300000 - Grade: 0.5 - Grade Unit: % - Contained Metal: 16.5 - Contained Unit: kt - Cutoff Grade: 1 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.5 Context: 3.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-56) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3848572f876ec9a7ef56 - Deposit or zone: Onedin \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 3300000 - Grade: 33 - Grade Unit: kt - Contained Metal: 33 - Contained Unit: kt - Cutoff Grade: 1 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 33.0 Context: 3.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-57) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3848572f876ec9a7ef56 - Deposit or zone: Onedin \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 3300000 - Grade: 141.9 - Grade Unit: kt - Contained Metal: 141.9 - Contained Unit: kt - Cutoff Grade: 1 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 141.9 Context: 3.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-58) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3848572f876ec9a7ef56 - Deposit or zone: Onedin \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 3300000 - Grade: 3.61 - Grade Unit: moz - Contained Metal: 3.61 - Contained Unit: moz - Cutoff Grade: 1 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 3.61 Context: 3.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-59) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:3848572f876ec9a7ef56 - Deposit or zone: Onedin \(Zinc zone\) #### Resource Data - Category: indicated - Tonnes: 3300000 - Grade: 0.1 - Grade Unit: g/t - Contained Metal: 10.6 - Contained Unit: koz - Cutoff Grade: 1 - Cutoff Unit: % zinc #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 3.3 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-60) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:77a1b1e07e956f9dab43 - Deposit or zone: Onedin #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 0.7 - Grade Unit: % - Contained Metal: 33 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.7 Context: 4.8 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-61) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:77a1b1e07e956f9dab43 - Deposit or zone: Onedin #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 1.1 - Grade Unit: % - Contained Metal: 51 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.1 Context: 4.8 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-62) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:77a1b1e07e956f9dab43 - Deposit or zone: Onedin #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 3.1 - Grade Unit: % - Contained Metal: 150.9 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 3.1 Context: 4.8 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-63) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:77a1b1e07e956f9dab43 - Deposit or zone: Onedin #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 38 - Grade Unit: g/t - Contained Metal: 5.88 - Contained Unit: moz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 38 Context: 4.8 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-64) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:77a1b1e07e956f9dab43 - Deposit or zone: Onedin #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 0.1 - Grade Unit: g/t - Contained Metal: 20.3 - Contained Unit: koz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 4.8 #### 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 ### Fact 66 [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-68) Kwinana Cobalt Refinery #### Identity - Project: Kwinana Cobalt Refinery - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Resource group id: resource:971d6685123c38db6032 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Works Approval for the Kwinana Cobalt Refinery is a significant de-risking event, enabling the project to move closer to construction and operation. - Positive factor: Receipt of Works Approval is a critical regulatory milestone, allowing construction and operation activities. - Positive factor: The approval marks completion of an important condition precedent to Final Investment Decision \(FID\). Evidence · text > Received Works Approval for the Kwinana Cobalt Refinery from Western Australia’s Department of Water and Environmental Regulation #### Tags used in scoring **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 **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 ### Fact 67 [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-69) Broken Hill Cobalt Project #### Identity - Project: Broken Hill Cobalt Project - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Resource group id: resource:db2f742e67e8fcd7cac9 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The commencement of a PFS for the Broken Hill Cobalt Project in the first half of 2026 demonstrates active advancement of the project towards a more detailed economic assessment. - Positive factor: The Group commenced a PFS for BHCP during the first half of 2026, indicating active progress on project development. - Negative factor: The PFS is still underway, meaning final optimized project parameters are not yet confirmed. Evidence · text > The Group commenced a PFS for BHCP during the first half of 2026. #### Tags used in scoring **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 **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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports ### Fact 68 [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-70) Project Infinity #### Identity - Project: Project Infinity - Region: usa - Reported Region: United States - Ticker: COB #### Resource scope - Resource group id: resource:da4e2a22d01e6d97b2d5 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Consortium Agreement with Glomar Minerals LLC to advance polymetallic nodule processing represents a significant new opportunity for Cobalt Blue to deploy its technology and expand its presence in the critical minerals sector beyond Australia. - Positive factor: Consortium Agreement with Glomar Minerals LLC provides an entry point into the US critical minerals sector. - Positive factor: Expands the potential application of Cobalt Blue’s proprietary hydrometallurgical expertise internationally. - Positive factor: Polymetallic nodules contain multiple critical metals, offering diversified production potential. - Negative factor: Work programs are subject to securing appropriate funding and execution of binding agreements. Evidence · text > Entered into a Consortium Agreement with Glomar Minerals LLC to advance polymetallic nodule processing #### Tags used in scoring **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 **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 ### Fact 69 [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-71) Halls Creek Project #### Identity - Project: Halls Creek Project - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Resource group id: resource:82e67ce4ea1c25f97dee #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The ongoing Scoping Study Update for the Halls Creek Project aims to optimize and simplify the development pathway, which could improve project economics and execution. - Positive factor: An updated Scoping Study is underway to evaluate practical opportunities and improve the development pathway. - Positive factor: Focus on optimization of the Stage 1 Onedin heap leach flowsheet and potential for single heap leach operation for Sandiego material could reduce complexity and enhance capital efficiency. - Negative factor: The updated Scoping Study is expected to be completed in Q4 2026, meaning results are not yet finalized. Evidence · text > A Scoping Study Update for the Halls Creek copper-silver project is underway. #### Tags used in scoring **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 **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### Fact 70 [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-72) Corporate #### Identity - Project: Corporate - Ticker: COB #### Resource scope - Resource group id: resource:9d2ee816d484557d8ecf #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The additional $5.3 million institutional equity placement in December 2025 significantly strengthens the company's financial position and reflects continued investor confidence. - Positive factor: Further institutional equity placement of $5.3 million provides significant additional funding. - Positive factor: Support from multiple investment firms \(Pamplona, Shaw and Partners, Bell Potter and Cloudbreak\) indicates strong market backing. Evidence · text > This was followed by a further $5.3 million institutional equity placement completed in December 2025. #### Tags used in scoring **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 **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 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-73) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:a500fc6797ae8cb2c503 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: measured - Tonnes: 23700000 - Grade: 9.6 - Grade Unit: % - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Measured resource provides a high level of confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Measured category indicates high geological confidence, suitable for detailed studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 9.6 Context: 23.7 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-74) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:d684ad067f21c0518bbc - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: indicated - Tonnes: 59900000 - Grade: 7 - Grade Unit: % - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.0 Context: 59.9 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-75) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:bddc4129952626075dd7 - Deposit or zone: BHCP \(inclusive of Pyrite Hill, Railway & Big Hill\) #### Resource Data - Category: inferred - Tonnes: 43000000 - Grade: 7 - Grade Unit: % - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Inferred resource provides a baseline for potential, but its lower confidence and lack of update reduce its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Inferred category indicates lower geological confidence, limiting its use for economic studies. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.0 Context: 43.0 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-76) Broken Hill Cobalt Project · cobalt #### Identity - Project: Broken Hill Cobalt Project - Commodity: cobalt - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:7cce818728e390640fd8 #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 690 - Grade Unit: ppm - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 690 Context: 126.5 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-77) Broken Hill Cobalt Project · sulfur #### Identity - Project: Broken Hill Cobalt Project - Commodity: sulfur - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:7cce818728e390640fd8 #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 7.5 - Grade Unit: % - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 7.5 Context: 126.5 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-78) Broken Hill Cobalt Project · nickel #### Identity - Project: Broken Hill Cobalt Project - Commodity: nickel - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2025-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:7cce818728e390640fd8 #### Resource Data - Category: inferred - Tonnes: 126500000 - Grade: 134 - Grade Unit: ppm - Cutoff Grade: 275 - Cutoff Unit: ppm CoEq #### Prior Estimate - Resource Date: 2025-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 134 Context: 126.5 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-79) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:151090c8052f02c33966 #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 1.4 - Grade Unit: % - Contained Metal: 56.1 - Contained Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 1.4 Context: 4.1 #### 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-80) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:151090c8052f02c33966 #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 17.5 - Grade Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 17.5 Context: 4.1 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-81) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:151090c8052f02c33966 #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 174.7 - Grade Unit: kt - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 174.7 Context: 4.1 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-82) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:151090c8052f02c33966 #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 3.31 - Grade Unit: moz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 3.31 Context: 4.1 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-83) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:151090c8052f02c33966 #### Resource Data - Category: inferred - Tonnes: 4100000 - Grade: 0.2 - Grade Unit: g/t - Contained Metal: 25 - Contained Unit: koz - Cutoff Grade: 0.8 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The total resource provides an overview of the project's scale, but the lack of update reduces its immediate impact. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.2 Context: 4.1 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-84) Halls Creek Project · copper #### Identity - Project: Halls Creek Project - Commodity: copper - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:213e00008c69a33d1f03 #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 0.7 - Grade Unit: % - Contained Metal: 33 - Contained Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.7 Context: 4.8 #### 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 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-85) Halls Creek Project · lead #### Identity - Project: Halls Creek Project - Commodity: lead - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:213e00008c69a33d1f03 #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 51 - Grade Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 51.0 Context: 4.8 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-86) Halls Creek Project · zinc #### Identity - Project: Halls Creek Project - Commodity: zinc - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:213e00008c69a33d1f03 #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 150.9 - Grade Unit: kt - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 150.9 Context: 4.8 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-87) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:213e00008c69a33d1f03 #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 5.88 - Grade Unit: moz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 5.88 Context: 4.8 #### 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 **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/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-resource-facts-88) Halls Creek Project · gold #### Identity - Project: Halls Creek Project - Commodity: gold - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Resource scope - Estimate type: resource - Effective date: 2026-06-30T00:00:00.000Z - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Dr Andrew Tong - Resource group id: resource:213e00008c69a33d1f03 #### Resource Data - Category: indicated - Tonnes: 4800000 - Grade: 0.1 - Grade Unit: g/t - Contained Metal: 20.3 - Contained Unit: koz - Cutoff Grade: 0.4 - Cutoff Unit: % copper #### Prior Estimate - Resource Date: 2026-06-30 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The Indicated resource provides reasonable confidence for the project, but the lack of change from the prior year means no new information is presented in this report. \(Expanded from multi-commodity resource table for completeness.\) - Positive factor: Indicated category provides reasonable geological confidence, suitable for pre-feasibility studies. - Positive factor: JORC 2012 compliant and QP signed, ensuring high reporting standards. - Negative factor: Resource estimate is unchanged from the previous year, indicating no new progress in this reporting period. Evidence · table > 0.1 Context: 4.8 #### 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 ## Metallurgical Results (3) ### pilot plant [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-metallurgical-facts-65) Kwinana Cobalt Refinery · cobalt #### Identity - Project: Kwinana Cobalt Refinery - Commodity: cobalt - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: proprietary flowsheet - Sample: cobalt sulphate samples #### Recovery - Recovery Basis: actual\_test #### Lab - Laboratory: BHTC #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Meeting stringent trace metal specifications for cobalt sulphate samples is a critical milestone for product qualification and commercial offtake agreements, demonstrating the technical viability of the Kwinana Cobalt Refinery. - Positive factor: Cobalt sulphate samples met stringent trace metal specifications, indicating high product quality. - Positive factor: Successful production at BHTC using proprietary flowsheet validates the process for commercial readiness. Evidence · text > Received confirmation that cobalt sulphate samples had met stringent trace metal specifications #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work ### heap leach [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-metallurgical-facts-66) Halls Creek Project · silver #### Identity - Project: Halls Creek Project - Commodity: silver - Region: australia\_wa - Reported Region: Western Australia - Ticker: COB #### Test Work - Program Status: scoping - Test Type: heap leach - Processing Route: heap leach flowsheet #### Recovery - Recovery Basis: unspecified #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The evaluation of silver recovery through the heap leach flowsheet represents a new potential revenue stream for the Halls Creek Project, which could enhance its economics. - Positive factor: Evaluating potential recovery of silver could provide meaningful enhancement to future project economics. - Positive factor: Silver has not previously formed part of the development strategy, indicating new value potential. - Negative factor: The recovery is still under evaluation, with no confirmed results yet. Evidence · text > The study is also evaluating the potential recovery of silver, which has not previously formed part of the development strategy. #### Tags used in scoring **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: processing\_route matches the heap\_leach signal ### flotation [Link to this fact](https://atlas-staging.minestarters.com/news/cob-annual-report-to-shareholders--941b3b33-7707-409d-973d-f98e7f98f771#fact-metallurgical-facts-67) Broken Hill Technology Centre · graphite #### Identity - Project: Broken Hill Technology Centre - Commodity: graphite - Region: australia\_nsw - Reported Region: New South Wales - Ticker: COB #### Test Work - Program Status: detailed - Test Type: flotation - Processing Route: recovery from battery black mass #### Recovery - Recovery Basis: actual\_test #### Lab - Laboratory: CSIRO #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The co-development program with CSIRO to recover graphite from battery black mass demonstrates innovation and potential for new revenue streams from recycled materials. - Positive factor: Developing a process to recover graphite from battery black mass aligns with circular economy principles and expands feedstock options. - Positive factor: Collaboration with CSIRO leverages external expertise and advances Australia’s battery materials production capability. - Negative factor: Work programs are expected to conclude in Q4 2026, indicating results are not yet finalized. Evidence · text > Under the co-development program, Cobalt Blue is developing a process to recover graphite from battery black mass. #### Tags used in scoring **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: processing\_route matches the flotation signal ## 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.