# BHP: Quarterly Activities Report Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26 Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03154361 Publisher: asx Original announcement: 2026-10-19T21:24:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-19T22:19:01.101Z Atlas analysis updated: 2026-10-19T22:19:01.101Z - Company: BHP Group Limited - Ticker: BHP - Exchange: ASX - Region: South Australia - Primary commodity: Copper - Secondary commodities: Uranium, Gold, Silver, Iron ore, Steelmaking coal, Energy coal, Potash, Lead, Zinc, Molybdenum - Document categories: Resource update, Production, Other - Extracted: 2026-10-19 22:19:01 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary BHP reported its Q1 FY27 operational review, highlighting a significant increase in the Olympic Dam mineral resource base with the first-time reporting of an underground block cave resource. This new resource adds 10,730 Mt at 0.59% Cu, 0.19 kg/t U3O8, 0.21 g/t Au, and 1 g/t Ag, bringing the total contained metal to 88.1 Mt Cu, 2.8 Mt U3O8, 103 Moz Au, and 498 Moz Ag. The company also provided production figures for copper, iron ore, and coal, noting a decrease in copper production due to planned grade declines and operational disruptions, while bulk commodities delivered a strong start to the year. Reasoning: The report presents a significant resource update for Olympic Dam, which is a major positive for long-term growth. However, this is balanced by a decrease in copper production and tragic safety incidents. Strong performance in bulk commodities and progress on other growth projects contribute to an overall positive outlook despite challenges. - Positive factor: Significant increase in Olympic Dam's mineral resource base with the first-time reporting of a block cave resource, adding substantial tonnes and contained metal. - Positive factor: Strong operational performance in bulk commodities \(WAIO, BMA, NSW Energy Coal\) with several Q1 records achieved. - Positive factor: Progress on key growth projects like Jansen Potash \(87% complete for Stage 1\) and Escondida New Concentrator funding approval. - Positive factor: High commodity prices, particularly copper, provided a tailwind for earnings. - Negative factor: Two fatalities reported at Escondida and Peak Downs, highlighting safety concerns. - Negative factor: Copper production decreased due to planned grade declines, scheduled maintenance, severe weather, and operational disruptions. - Negative factor: Global market volatility, geopolitical tensions, trade uncertainty, and elevated energy/freight costs continue to create industry headwinds. Facts used in scoring: 36 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 36. Some facts used in scoring do not have a stored record. ## Resource Estimates (36) ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-0) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:9942471ef7428a610e45 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 4000000000 - Grade: 0.61 - Grade Unit: % - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Measured resource for the block cave mining method at Olympic Dam, providing high confidence for future studies. - Positive factor: Maiden resource for block cave mining method, adding significant Measured tonnes. - Positive factor: High confidence category \(Measured\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.61 Context: 4,000 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 4,000 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-1) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:9942471ef7428a610e45 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 4000000000 - Grade: 0.19 - Grade Unit: kg/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Measured resource for uranium within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Measured tonnes of uranium. - Positive factor: High confidence category \(Measured\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.19 Context: 4,000 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 4,000 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-2) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:9942471ef7428a610e45 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 4000000000 - Grade: 0.21 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Measured resource for gold within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Measured tonnes of gold. - Positive factor: High confidence category \(Measured\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.21 Context: 4,000 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 4,000 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-3) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:9942471ef7428a610e45 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 4000000000 - Grade: 1 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Measured resource for silver within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Measured tonnes of silver. - Positive factor: High confidence category \(Measured\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 1 Context: 4,000 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 4,000 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-4) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:aa91e3bb0a574f38e6e1 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 4130000000 - Grade: 0.57 - Grade Unit: % - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Indicated resource for the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Indicated tonnes. - Positive factor: High confidence category \(Indicated\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.57 Context: 4,130 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 4,130 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-5) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:aa91e3bb0a574f38e6e1 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 4130000000 - Grade: 0.18 - Grade Unit: kg/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Indicated resource for uranium within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Indicated tonnes of uranium. - Positive factor: High confidence category \(Indicated\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.18 Context: 4,130 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 4,130 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-6) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:aa91e3bb0a574f38e6e1 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 4130000000 - Grade: 0.21 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Indicated resource for gold within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Indicated tonnes of gold. - Positive factor: High confidence category \(Indicated\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 0.21 Context: 4,130 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 4,130 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-7) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:aa91e3bb0a574f38e6e1 - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 4130000000 - Grade: 1 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Indicated resource for silver within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Indicated tonnes of silver. - Positive factor: High confidence category \(Indicated\) for a substantial portion of the new resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. Evidence · table > 1 Context: 4,130 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 4,130 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-8) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:bfd06258cddc38c4978b - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 2600000000 - Grade: 0.6 - Grade Unit: % - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Inferred resource for the block cave mining method at Olympic Dam, providing early-stage potential. - Positive factor: Maiden resource for block cave mining method, adding significant Inferred tonnes. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 0.60 Context: 2,600 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 2,600 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-9) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:bfd06258cddc38c4978b - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 2600000000 - Grade: 0.19 - Grade Unit: kg/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Inferred resource for uranium within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Inferred tonnes of uranium. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 0.19 Context: 2,600 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 2,600 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-10) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:bfd06258cddc38c4978b - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 2600000000 - Grade: 0.23 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Inferred resource for gold within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Inferred tonnes of gold. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 0.23 Context: 2,600 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 2,600 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-11) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:bfd06258cddc38c4978b - Deposit or zone: UG Sulphide \(Block Cave\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 2600000000 - Grade: 1 - Grade Unit: g/t - Cutoff Grade: 0.35 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: First-time reporting of a large Inferred resource for silver within the block cave mining method at Olympic Dam. - Positive factor: Maiden resource for block cave mining method, adding significant Inferred tonnes of silver. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 1 Context: 2,600 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 2,600 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-12) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:97fd45f04482b34b1259 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 840000000 - Grade: 1.59 - Grade Unit: % - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Measured resource for SLOS mining method at Olympic Dam, maintaining high confidence. - Positive factor: High confidence category \(Measured\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 1.59 Context: 840 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 840 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-13) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:97fd45f04482b34b1259 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 840000000 - Grade: 0.47 - Grade Unit: kg/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Measured resource for uranium within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Measured\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.47 Context: 840 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 840 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-14) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:97fd45f04482b34b1259 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 840000000 - Grade: 0.62 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Measured resource for gold within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Measured\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.62 Context: 840 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 840 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-15) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:97fd45f04482b34b1259 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: measured - Tonnes: 840000000 - Grade: 3 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Measured resource for silver within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Measured\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 3 Context: 840 #### 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: The resource is classified as Measured, indicating the highest confidence category. Evidence · table > Measured Resources Context: 840 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-16) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:d3d771a764b257053b73 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 540000000 - Grade: 1.56 - Grade Unit: % - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Indicated resource for SLOS mining method at Olympic Dam, maintaining high confidence. - Positive factor: High confidence category \(Indicated\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 1.56 Context: 540 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 540 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-17) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:d3d771a764b257053b73 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 540000000 - Grade: 0.45 - Grade Unit: kg/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Indicated resource for uranium within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Indicated\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.45 Context: 540 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 540 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-18) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:d3d771a764b257053b73 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 540000000 - Grade: 0.57 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Indicated resource for gold within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Indicated\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.57 Context: 540 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 540 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-19) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:d3d771a764b257053b73 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: indicated - Tonnes: 540000000 - Grade: 3 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Indicated resource for silver within the SLOS mining method at Olympic Dam. - Positive factor: High confidence category \(Indicated\) for a significant resource. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. Evidence · table > 3 Context: 540 #### 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: The resource is classified as Indicated, indicating reasonable geological confidence. Evidence · table > Indicated Resources Context: 540 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-20) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:82547eecd4630b6a46f5 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 210000000 - Grade: 1.44 - Grade Unit: % - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Inferred resource for SLOS mining method at Olympic Dam, providing early-stage potential. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 1.44 Context: 210 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 210 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-21) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:82547eecd4630b6a46f5 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 210000000 - Grade: 0.42 - Grade Unit: kg/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Inferred resource for uranium within the SLOS mining method at Olympic Dam. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 0.42 Context: 210 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 210 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-22) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:82547eecd4630b6a46f5 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 210000000 - Grade: 0.63 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Inferred resource for gold within the SLOS mining method at Olympic Dam. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 0.63 Context: 210 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 210 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-23) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: resource - Reporting standards: jorc - QP Signed: Yes - Qualified person names: MP O’Hare - Resource group id: resource:82547eecd4630b6a46f5 - Deposit or zone: UG Sulphide \(SLOS\) - Mining method: underground - Material type: sulphide #### Resource Data - Category: inferred - Tonnes: 210000000 - Grade: 3 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-09-01 #### Metal Equivalent - Assumptions Disclosed: Yes #### Lab - Laboratory: Intertek Group plc, Adelaide #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Inferred resource for silver within the SLOS mining method at Olympic Dam. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Resource is unchanged from prior reporting, indicating low novelty. - Negative factor: Inferred category indicates lower geological confidence and cannot support economic studies alone. Evidence · table > 3 Context: 210 #### 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: The resource is classified as Inferred, indicating a speculative category with limited drilling. Evidence · table > Inferred Resources Context: 210 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-24) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:73861c849000a164f0cf - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: proven - Tonnes: 355000000 - Grade: 1.89 - Grade Unit: % - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Proven reserve for UG Sulphide at Olympic Dam, maintaining high confidence. - Positive factor: High confidence category \(Proven\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 1.89 Context: 355 #### Tags used in scoring **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-25) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:73861c849000a164f0cf - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: proven - Tonnes: 355000000 - Grade: 0.59 - Grade Unit: kg/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Proven reserve for uranium within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Proven\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.59 Context: 355 #### Tags used in scoring **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-26) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:73861c849000a164f0cf - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: proven - Tonnes: 355000000 - Grade: 0.72 - Grade Unit: g/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Proven reserve for gold within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Proven\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.72 Context: 355 #### Tags used in scoring **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-27) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:73861c849000a164f0cf - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: proven - Tonnes: 355000000 - Grade: 4 - Grade Unit: g/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Proven reserve for silver within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Proven\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 4 Context: 355 #### Tags used in scoring **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-28) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:6b40781c38b46dd255b7 - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: probable - Tonnes: 254000000 - Grade: 1.68 - Grade Unit: % - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for UG Sulphide at Olympic Dam, maintaining high confidence. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 1.68 Context: 254 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 254 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-29) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:6b40781c38b46dd255b7 - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: probable - Tonnes: 254000000 - Grade: 0.53 - Grade Unit: kg/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for uranium within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.53 Context: 254 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 254 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-30) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:6b40781c38b46dd255b7 - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: probable - Tonnes: 254000000 - Grade: 0.62 - Grade Unit: g/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for gold within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.62 Context: 254 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 254 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-31) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:6b40781c38b46dd255b7 - Deposit or zone: UG Sulphide - Mining method: underground - Material type: sulphide #### Resource Data - Category: probable - Tonnes: 254000000 - Grade: 3 - Grade Unit: g/t - Cutoff Grade: 1 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for silver within UG Sulphide at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 3 Context: 254 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 254 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-32) Olympic Dam · copper #### Identity - Project: Olympic Dam - Commodity: copper - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:d69d2c7b16c5dfb74a19 - Deposit or zone: Low grade - Mining method: underground - Material type: Low grade #### Resource Data - Category: probable - Tonnes: 44000000 - Grade: 0.83 - Grade Unit: % - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for Low grade material at Olympic Dam, maintaining high confidence. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.83 Context: 44 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 44 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-33) Olympic Dam · uranium #### Identity - Project: Olympic Dam - Commodity: uranium - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:d69d2c7b16c5dfb74a19 - Deposit or zone: Low grade - Mining method: underground - Material type: Low grade #### Resource Data - Category: probable - Tonnes: 44000000 - Grade: 0.28 - Grade Unit: kg/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for uranium within Low grade material at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.28 Context: 44 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 44 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-34) Olympic Dam · gold #### Identity - Project: Olympic Dam - Commodity: gold - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:d69d2c7b16c5dfb74a19 - Deposit or zone: Low grade - Mining method: underground - Material type: Low grade #### Resource Data - Category: probable - Tonnes: 44000000 - Grade: 0.34 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for gold within Low grade material at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 0.34 Context: 44 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 44 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/bhp-quarterly-activities-report--b1161b52-3302-46c1-87ef-3c518555cc26#fact-resource-facts-35) Olympic Dam · silver #### Identity - Project: Olympic Dam - Commodity: silver - Region: australia\_sa - Reported Region: South Australia - Ticker: BHP #### Resource scope - Estimate type: reserve - Reporting standards: jorc - QP Signed: Yes - Qualified person names: Naveen S Kinthada - Resource group id: resource:d69d2c7b16c5dfb74a19 - Deposit or zone: Low grade - Mining method: underground - Material type: Low grade #### Resource Data - Category: probable - Tonnes: 44000000 - Grade: 2 - Grade Unit: g/t - Cutoff Grade: 0.6 - Cutoff Unit: % Cu #### Prior Estimate - Resource Date: 2026-06-30 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-19T00:00:00.000Z Reasoning: Restatement of an existing Probable reserve for silver within Low grade material at Olympic Dam. - Positive factor: High confidence category \(Probable\) for a significant reserve. - Positive factor: JORC compliant and QP signed, indicating high reporting standards. - Negative factor: Reserve is unchanged from prior reporting, indicating low novelty. Evidence · table > 2 Context: 44 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: The reserve is classified as Probable, indicating reasonable economic viability. Evidence · table > Probable Ore Reserve Context: 44 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ## 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.