# Quarterly Activities Report

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9

Original source: https://www.londonstockexchange.com/news-article/BHP/quarterly-activities-report/17842960

Publisher: lse

Original announcement: 2026-10-20T05:00:01.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-10-20T07:24:52.843Z

Atlas analysis updated: 2026-10-20T07:24:52.843Z

- Company: BHP Group Limited

- Ticker: BHP

- Exchange: LSE

- Region: South Australia

- Primary commodity: Copper

- Secondary commodities: Uranium, Gold, Silver, Iron ore, Molybdenum, Lead, Zinc, Potash, Steelmaking coal, Energy coal

- Document categories: Resource update, Production

- Extracted: 2026-10-20 07:24:53 UTC

Narrative sentiment: 0.20 · Bullish

## Minestarters Atlas summary

BHP Group Limited reported its quarterly activities, highlighting the introduction of a new Block Cave Mineral Resource at Olympic Dam, which significantly increases the overall resource base. Despite this, quarterly copper production decreased due to lower planned grades and operational disruptions. The company maintained its full-year production guidance and is advancing growth options in copper and potash, while existing Ore Reserves for Olympic Dam remain unchanged.

Reasoning: The report introduces a new, large Block Cave Mineral Resource at Olympic Dam, significantly increasing the overall resource base, which is a positive development. However, quarterly copper production was down due to operational issues and planned lower grades, and existing reserves remain unchanged.

- Positive factor: Maiden Block Cave Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Production Decreases

- Negative factor: Unchanged Reserves

- Negative factor: Inferred Resource Component

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 36

## Classification and evidence

**Maiden Resource**

Polarity: neutral

Definition: First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.

Why it applies: The report includes the first-time reporting of an underground block cave \(BC\) Mineral Resource at Olympic Dam.

Evidence · text

> first-time reporting of an underground block cave \(BC\) Mineral Resource at Olympic Dam

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document announces an increase to Olympic Dam's mineral resource base.

Evidence · text

> today we announced an increase to Olympic Dam's mineral resource base

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: The Mineral Resources and Ore Reserves are based on and fairly represent information compiled by Competent Persons as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'.

Evidence · text

> 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'

**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: MP O'Hare and Naveen S Kinthada are named as Competent Persons who are Members of The Australasian Institute of Mining and Metallurgy \(MAusIMM\) and full-time employees of BHP.

Evidence · text

> MP O'Hare, a Competent Person who is a Member of The Australasian Institute of Mining and Metallurgy \(MAusIMM\)

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: A break-even economic cut-off of ≥0.35% Cu was applied to the Block Cave Mineral Resource, and variable cut-offs between 1.0% and 1.7% Cu for UG Sulphide and ≥0.6% Cu for Low grade were applied to Ore Reserves.

Evidence · text

> A break-even economic cut-off of ≥0.35% Cu was applied

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Block Cave Mineral Resource includes a significant Inferred component of 2,600 Mt.

Evidence · table

> 2,600

Context: UG Sulphide \(Block Cave\)

**Production Decrease**

Polarity: negative

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: Copper production was lower in the first quarter, reflecting planned grade declines and operational disruptions.

Evidence · text

> Copper production was lower in the first quarter, reflecting planned grade declines and scheduled maintenance, alongside temporary disruptions from severe weather in Chile, stops for safety and the conveyor failure at Carrapateena.

**Stale Data Re-release**

Polarity: negative

Story-specific tag

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The UG Sulphide \(SLOS\) Mineral Resource and Olympic Dam Ore Reserves are unchanged from those reported in the FY26 Annual Report.

Evidence · text

> The UG Sulphide \(SLOS\) Mineral Resource is unchanged from that reported in BHP's FY26 Annual Report

## 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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Measured resource for the Block Cave, contributing significantly to the overall resource base with a good copper grade for an underground bulk mining scenario.

- Positive factor: Maiden Resource

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

Evidence · table

> 4,000

Context: 0.61

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Measured resource for the Block Cave, providing a significant uranium byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Measured resource for the Block Cave, providing a gold byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Measured resource for the Block Cave, providing a silver byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Indicated resource for the Block Cave, contributing significantly to the overall resource base with a good copper grade for an underground bulk mining scenario.

- Positive factor: Maiden Resource

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

Evidence · table

> 4,130

Context: 0.57

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Indicated resource for the Block Cave, providing a significant uranium byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Indicated resource for the Block Cave, providing a gold byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Indicated resource for the Block Cave, providing a silver byproduct credit.

- Positive factor: Maiden Resource

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Inferred resource for the Block Cave, contributing to the overall resource base but with lower geological confidence.

- Positive factor: Maiden Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Inferred Resource

Evidence · table

> 2,600

Context: 0.60

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Inferred resource for the Block Cave, providing a uranium byproduct credit but with lower geological confidence.

- Positive factor: Maiden Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Inferred resource for the Block Cave, providing a gold byproduct credit but with lower geological confidence.

- Positive factor: Maiden Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This is a new Inferred resource for the Block Cave, providing a silver byproduct credit but with lower geological confidence.

- Positive factor: Maiden Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-12)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:448c844b4a5239a25481
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence.

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Stale Data Re-release

Evidence · table

> 840

Context: 1.59

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-13)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:448c844b4a5239a25481
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for uranium byproduct.

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-14)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:448c844b4a5239a25481
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for gold byproduct.

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-15)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:448c844b4a5239a25481
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for silver byproduct.

- Positive factor: Measured Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-16)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:606cc35a59503b20ee3f
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence.

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Stale Data Re-release

Evidence · table

> 540

Context: 1.56

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-17)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:606cc35a59503b20ee3f
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-18)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:606cc35a59503b20ee3f
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-19)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:606cc35a59503b20ee3f
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.

- Positive factor: Indicated Resource

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-20)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:b008386f6bde7e6f208c
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence.

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Inferred Resource

- Negative factor: Stale Data Re-release

Evidence · table

> 210

Context: 1.44

#### 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-21)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:b008386f6bde7e6f208c
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for uranium byproduct.

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-22)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:b008386f6bde7e6f208c
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for gold byproduct.

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-23)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:b008386f6bde7e6f208c
- Deposit or zone: UG Sulphide \(SLOS\)
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for silver byproduct.

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Inferred Resource

- Negative factor: Stale Data Re-release

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: 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

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-24)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:ac17dc47af2e4776c30f
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence.

- Positive factor: Proven Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Stale Data Re-release

Evidence · table

> 355

Context: 1.89

#### Tags used in scoring

**Proven Reserve**

Polarity: positive

Definition: Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-25)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:ac17dc47af2e4776c30f
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for uranium byproduct.

- Positive factor: Proven Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

Evidence · table

> 0.59

Context: 355

#### Tags used in scoring

**Proven Reserve**

Polarity: positive

Definition: Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-26)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:ac17dc47af2e4776c30f
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for gold byproduct.

- Positive factor: Proven Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

Evidence · table

> 0.72

Context: 355

#### Tags used in scoring

**Proven Reserve**

Polarity: positive

Definition: Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-27)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:ac17dc47af2e4776c30f
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for silver byproduct.

- Positive factor: Proven Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

Evidence · table

> 4

Context: 355

#### Tags used in scoring

**Proven Reserve**

Polarity: positive

Definition: Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-28)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:de2357de325f50e7bba7
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Stale Data Re-release

Evidence · table

> 254

Context: 1.68

#### Tags used in scoring

**Probable Reserve**

Polarity: positive

Definition: Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-29)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:de2357de325f50e7bba7
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-30)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:de2357de325f50e7bba7
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-31)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:de2357de325f50e7bba7
- Deposit or zone: UG Sulphide
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-32)

Olympic Dam · copper

Historical result

Needs review: historical\_restatement

#### 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:a6b8e832e7f53e5f771c
- Deposit or zone: Low grade
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Positive factor: Cut-off Disclosed

- Negative factor: Stale Data Re-release

Evidence · table

> 44

Context: 0.83

#### Tags used in scoring

**Probable Reserve**

Polarity: positive

Definition: Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-33)

Olympic Dam · uranium

Historical result

Needs review: historical\_restatement

#### 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:a6b8e832e7f53e5f771c
- Deposit or zone: Low grade
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-34)

Olympic Dam · gold

Historical result

Needs review: historical\_restatement

#### 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:a6b8e832e7f53e5f771c
- Deposit or zone: Low grade
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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/quarterly-activities-report--c1827793-69d2-4b9d-b40d-3c710fa811f9#fact-resource-facts-35)

Olympic Dam · silver

Historical result

Needs review: historical\_restatement

#### 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:a6b8e832e7f53e5f771c
- Deposit or zone: Low grade
- 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

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-06-30T00:00:00.000Z

#### Dates

- Event date: 2026-10-20T00:00:00.000Z

Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.

- Positive factor: Probable Reserve

- Positive factor: JORC Compliant

- Positive factor: QP/CP Signed

- Negative factor: Stale Data Re-release

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: category is "probable"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: reporting\_standards includes jorc

**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.
