Hudbay and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029

Original announcement by orestocks on

Company
Hudbay Minerals Inc.
Ticker
HBM.TO
Exchange
Unavailable
Region
Arizona
Primary commodity
Copper
Secondary commodities
Molybdenum, Gold, Silver
Document categories
Other, Resource update, Capital raise
Extracted
2026-10-21 06:02:39 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Hudbay Minerals Inc. and Mitsubishi Corporation have approved the final investment decision for the Copper World project in Arizona, following a robust Definitive Feasibility Study (DFS). The project targets first copper production in the second half of 2029 and is expected to double Hudbay's annual copper production to approximately 250,000 tonnes. The DFS outlines a 15-year mine life with strong economics, including an after-tax NPV(8%) of $1.2 billion and an IRR of 17% for the Base Case, and a potential 37-year mine life in an Extension Case.

Reasoning: Hudbay and Mitsubishi have approved the construction of the Copper World project based on a robust DFS, targeting first production in 2029 and significantly increasing Hudbay's copper output, supported by a prudent funding plan and strategic partnership, despite a slight grade reduction in reserves and reliance on future permits for the full mine life.

Positive factors

  • Final investment decision approved for major project
  • Robust DFS results with strong NPV and IRR for both Base and Extension Cases
  • Project expected to double Hudbay's annual copper production
  • Low projected cash costs position Copper World as one of the lowest cost open-pit copper mines in the U.S.
  • Long mine life of 15 years (Base Case) and 37 years (Extension Case)
  • Strategic joint venture with Mitsubishi Corporation de-risks funding and provides expertise
  • Prudent funding plan with low leverage and deferred capital contributions for Hudbay
  • NI 43-101 compliant technical report to be filed, indicating high reporting standards
  • Concentrate leach facility provides significant future upside optionality
  • Inferred resource tonnage and contained copper increased, indicating future potential

Negative factors

  • Overall grade decline in mineral reserves compared to prior estimates
  • Extension Case relies on obtaining federal permits, which introduces regulatory risk
  • Initial growth capital increased by approximately $200 million since the 2023 PFS
  • Measured and Indicated contained copper slightly decreased despite tonnage growth, indicating dilutive growth

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

Facts used in scoring: 30

Classification and evidence

QP/CP Signedpositive

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

Why it applies: The scientific and technical information has been approved by Olivier Tavchandjian, P. Geo, a qualified person pursuant to NI 43-101.

Evidence · text

“The scientific and technical information contained in this news release has been approved by Olivier Tavchandjian, P. Geo, Hudbay’s Senior Vice President, Exploration and Technical Services. Mr. Tavchandjian is a qualified person pursuant to Canadian Securities Administrators’ National Instrument 43-101 - Standards of Disclosure for Mineral Projects(“NI 43-101”).”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: Hudbay will be filing a technical report pursuant to National Instrument 43-101 for the DFS.

Evidence · text

“Hudbay will be filing a technical report pursuant to National Instrument 43-101 containing the results of the DFS for Copper World.”

Tonnage Growthpositive

Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.

Why it applies: Inferred resource tonnage increased from 275 Mt to 309 Mt (12.3% increase) compared to the 2023 PFS.

Evidence · table

“309”

Context: Inferred

Grade Declinenegative

Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.

Why it applies: Proven and Probable reserve grade declined from 0.54% Cu (2023 PFS) to 0.47% Cu (2026 DFS).

Evidence · text

“The 2026 mineral reserve estimates of 390 million tonnes at 0.47% copper represent a comparable tonnage at a lower average copper grade to the 2023 PFS mineral reserve estimates of 385 million tonnes at 0.54% copper.”

Contained Metal Growthpositive

True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.

Why it applies: Inferred contained copper increased from 880 kt to 927 kt (5.3% increase) compared to the 2023 PFS.

Evidence · table

“927”

Context: Inferred

Resource Updateneutral

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

Why it applies: The document presents updated mineral reserve and resource estimates that replace prior estimates from the 2023 PFS.

Evidence · text

“The current mineral reserve and resource estimates for Copper World (effective as of August 1, 2026) are summarized below and replace the prior mineral reserve and resource estimates set forth in the 2023 PFS.”

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: The document presents the results of a Definitive Feasibility Study (DFS) for the Copper World project.

Evidence · text

“Hudbay and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029”

Open Pit Miningneutral · Story-specific tag

No canonical definition is currently available.

Why it applies: Copper World is described as a 'traditional open pit shovel and truck operation'.

Evidence · text

“Copper World is planned to be a traditional open pit shovel and truck operation with a conventional flotation concentrator producing copper concentrate and molybdenum concentrate.”

Low Cash Costpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: Average annual cash costs of $1.65 per pound over the first 10 years position Copper World as one of the lowest cost open-pit copper mines in the U.S.

Evidence · text

“Average annual cash costsi of $1.65 per pound over the first 10 years continues to position Copper World as one of the lowest cost open-pit copper mines in the U.S.ii”

Long Mine Lifepositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The Base Case outlines a 15-year mine life, and the Extension Case contemplates a 37-year mine life.

Evidence · text

“The base case for the Copper World project (“Base Case”) contemplates a 15-year mine life utilizing mineral reserves”

Strategic Partnershippositive · Story-specific tag

No canonical definition is currently available.

Why it applies: Hudbay has secured Mitsubishi as a 30% joint venture partner, described as a 'long-term strategic partner'.

Evidence · text

“Copper World is 30%-owned by Mitsubishi Corporation (“Mitsubishi”) pursuant to a joint venture agreement entered into with Hudbay in January 2026.”

Capital Raiseneutral · Story-specific tag

No canonical definition is currently available.

Why it applies: The funding plan includes Mitsubishi’s $600 million equity investment, Wheaton’s $230 million stream deposit, and anticipated project-level debt financing.

Evidence · text

“Well balanced project funding plan with initial capital provided by Mitsubishi’s $600 million initial joint venture equity investment and Wheaton Precious Metals Corp.’s (“Wheaton”) $230 million deposit for the existing precious metals stream, followed by approximately $650 million in anticipated project-level debt financing, representing less than 30% leverage.”

Dilutive Growthnegative

Tonnage increased but contained metal flat or down — likely from lower cut-off grade, not geological expansion.

Why it applies: Measured and Indicated contained copper decreased by 1.3% (from 5,061 kt to 4,993 kt) despite a tonnage increase, indicating grade dilution.

Evidence · table

“-1%”

Context: Measured and indicated

Federal Permits Requirednegative · Story-specific tag

No canonical definition is currently available.

Why it applies: The Extension Case, which extends the mine life to 37 years, requires federal permits by year 10 of operations.

Evidence · text

“The Extension Case contemplates a 37-year mine life utilizing only measured and indicated mineral resources totalling 1,048 million tonnes and requires federal permits by year 10 of operations.”

Extracted facts

Stored fact records: 28. Some facts used in scoring do not have a stored record.

Resource Estimates (28)

provenCopper World · copperTonnes: 330000000Grade: 0.47Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:d695d3b9b38736fba625
Mining method
open_pit

Resource Data

Category
proven
Tonnes
330000000
Grade
0.47
Grade Unit
%
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Copper World project reports a substantial Proven Reserve of 330 Mt at 0.47% copper, providing a high-confidence base for the mine plan.

Positive factors

  • High confidence category (Proven)
  • Significant tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“330”

Context: Proven reserves

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

provenCopper World · molybdenumTonnes: 330000000Grade: 105Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:d695d3b9b38736fba625
Mining method
open_pit

Resource Data

Category
proven
Tonnes
330000000
Grade
105
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Proven Reserve includes 330 Mt at 105 g/t molybdenum, contributing to the project's overall economics as a byproduct.

Positive factors

  • High confidence category (Proven)
  • Significant tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“105”

Context: Proven reserves

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

provenCopper World · goldTonnes: 330000000Grade: 0.024Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:d695d3b9b38736fba625
Mining method
open_pit

Resource Data

Category
proven
Tonnes
330000000
Grade
0.024
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Proven Reserve includes 330 Mt at 0.024 g/t gold, providing a minor byproduct credit to the project.

Positive factors

  • High confidence category (Proven)
  • Significant tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“0.024”

Context: Proven reserves

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

provenCopper World · silverTonnes: 330000000Grade: 5.25Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:d695d3b9b38736fba625
Mining method
open_pit

Resource Data

Category
proven
Tonnes
330000000
Grade
5.25
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Proven Reserve includes 330 Mt at 5.25 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • High confidence category (Proven)
  • Significant tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“5.25”

Context: Proven reserves

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableCopper World · copperTonnes: 60000000Grade: 0.46Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:44bc181597cbf2ec2e26
Mining method
open_pit

Resource Data

Category
probable
Tonnes
60000000
Grade
0.46
Grade Unit
%
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Copper World project reports a Probable Reserve of 60 Mt at 0.46% copper, adding to the overall mineable inventory.

Positive factors

  • Significant tonnage in Probable category
  • NI 43-101 compliant and QP signed

Evidence · table

“60”

Context: Probable reserves

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableCopper World · molybdenumTonnes: 60000000Grade: 94Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:44bc181597cbf2ec2e26
Mining method
open_pit

Resource Data

Category
probable
Tonnes
60000000
Grade
94
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Probable Reserve includes 60 Mt at 94 g/t molybdenum, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant tonnage in Probable category
  • NI 43-101 compliant and QP signed

Evidence · table

“94”

Context: Probable reserves

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableCopper World · goldTonnes: 60000000Grade: 0.018Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:44bc181597cbf2ec2e26
Mining method
open_pit

Resource Data

Category
probable
Tonnes
60000000
Grade
0.018
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Probable Reserve includes 60 Mt at 0.018 g/t gold, providing a minor byproduct credit to the project.

Positive factors

  • Significant tonnage in Probable category
  • NI 43-101 compliant and QP signed

Evidence · table

“0.018”

Context: Probable reserves

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableCopper World · silverTonnes: 60000000Grade: 4.14Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:44bc181597cbf2ec2e26
Mining method
open_pit

Resource Data

Category
probable
Tonnes
60000000
Grade
4.14
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Probable Reserve includes 60 Mt at 4.14 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant tonnage in Probable category
  • NI 43-101 compliant and QP signed

Evidence · table

“4.14”

Context: Probable reserves

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 9Copper World · copperTonnes: 390000000Grade: 0.47Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:70be753982568caad470
Mining method
open_pit

Resource Data

Tonnes
390000000
Grade
0.47
Grade Unit
%
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01
Prior Tonnes
385000000
Prior Grade
0.54
Prior Contained Metal
2079000

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Proven and Probable Reserves are 390 Mt at 0.47% copper, representing a slight tonnage increase but a notable grade and contained metal decline compared to the 2023 PFS.

Positive factors

  • Substantial total Proven and Probable Reserves
  • NI 43-101 compliant and QP signed

Negative factors

  • Grade decline compared to 2023 PFS (0.54% to 0.47% Cu)
  • Contained metal decline compared to 2023 PFS (2.079 Mt to 1.833 Mt Cu)

Evidence · table

“390”

Context: Total Proven and Probable Reserves

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Grade Declinenegative

Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.

Why it applies: 0.47 against 0.54 previously

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 10Copper World · molybdenumTonnes: 390000000Grade: 103Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:70be753982568caad470
Mining method
open_pit

Resource Data

Tonnes
390000000
Grade
103
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Proven and Probable Reserves include 390 Mt at 103 g/t molybdenum, providing a significant byproduct credit.

Positive factors

  • Substantial total Proven and Probable Reserves
  • NI 43-101 compliant and QP signed

Evidence · table

“103”

Context: Total Proven and Probable Reserves

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 11Copper World · goldTonnes: 390000000Grade: 0.023Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:70be753982568caad470
Mining method
open_pit

Resource Data

Tonnes
390000000
Grade
0.023
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Proven and Probable Reserves include 390 Mt at 0.023 g/t gold, providing a minor byproduct credit.

Positive factors

  • Substantial total Proven and Probable Reserves
  • NI 43-101 compliant and QP signed

Evidence · table

“0.023”

Context: Total Proven and Probable Reserves

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 12Copper World · silverTonnes: 390000000Grade: 5.08Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:70be753982568caad470
Mining method
open_pit

Resource Data

Tonnes
390000000
Grade
5.08
Grade Unit
g/t
Cutoff Grade
5.8
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Proven and Probable Reserves include 390 Mt at 5.08 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Substantial total Proven and Probable Reserves
  • NI 43-101 compliant and QP signed

Evidence · table

“5.08”

Context: Total Proven and Probable Reserves

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

measuredCopper World · copperTonnes: 890000000Grade: 0.42Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:ed0e1bf999512996bec8
Mining method
open_pit

Resource Data

Category
measured
Tonnes
890000000
Grade
0.42
Grade Unit
%
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Copper World project reports a significant Measured Resource of 890 Mt at 0.42% copper, providing a high-confidence base for future mine planning.

Positive factors

  • Large Measured Resource tonnage
  • High confidence category
  • NI 43-101 compliant and QP signed

Evidence · table

“890”

Context: Measured resources (inclusive of reserves)

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

measuredCopper World · molybdenumTonnes: 890000000Grade: 124Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:ed0e1bf999512996bec8
Mining method
open_pit

Resource Data

Category
measured
Tonnes
890000000
Grade
124
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Measured Resource includes 890 Mt at 124 g/t molybdenum, contributing to the project's overall economics as a byproduct.

Positive factors

  • Large Measured Resource tonnage
  • High confidence category
  • NI 43-101 compliant and QP signed

Evidence · table

“124”

Context: Measured resources (inclusive of reserves)

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

measuredCopper World · goldTonnes: 890000000Grade: 0.022Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:ed0e1bf999512996bec8
Mining method
open_pit

Resource Data

Category
measured
Tonnes
890000000
Grade
0.022
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Measured Resource includes 890 Mt at 0.022 g/t gold, providing a minor byproduct credit to the project.

Positive factors

  • Large Measured Resource tonnage
  • High confidence category
  • NI 43-101 compliant and QP signed

Evidence · table

“0.022”

Context: Measured resources (inclusive of reserves)

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

measuredCopper World · silverTonnes: 890000000Grade: 4.43Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:ed0e1bf999512996bec8
Mining method
open_pit

Resource Data

Category
measured
Tonnes
890000000
Grade
4.43
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Measured Resource includes 890 Mt at 4.43 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Large Measured Resource tonnage
  • High confidence category
  • NI 43-101 compliant and QP signed

Evidence · table

“4.43”

Context: Measured resources (inclusive of reserves)

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedCopper World · copperTonnes: 347000000Grade: 0.35Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:c1a38bdfb3771c5b905e
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
347000000
Grade
0.35
Grade Unit
%
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Copper World project reports a substantial Indicated Resource of 347 Mt at 0.35% copper, adding to the overall resource base.

Positive factors

  • Significant Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“347”

Context: Indicated resources (inclusive of reserves)

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedCopper World · molybdenumTonnes: 347000000Grade: 109Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:c1a38bdfb3771c5b905e
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
347000000
Grade
109
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Indicated Resource includes 347 Mt at 109 g/t molybdenum, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“109”

Context: Indicated resources (inclusive of reserves)

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedCopper World · goldTonnes: 347000000Grade: 0.015Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:c1a38bdfb3771c5b905e
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
347000000
Grade
0.015
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Indicated Resource includes 347 Mt at 0.015 g/t gold, providing a minor byproduct credit to the project.

Positive factors

  • Significant Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“0.015”

Context: Indicated resources (inclusive of reserves)

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedCopper World · silverTonnes: 347000000Grade: 3.32Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:c1a38bdfb3771c5b905e
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
347000000
Grade
3.32
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Indicated Resource includes 347 Mt at 3.32 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“3.32”

Context: Indicated resources (inclusive of reserves)

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 21Copper World · copperTonnes: 1236000000Grade: 0.4Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:4fb85a117d21cc331295
Mining method
open_pit

Resource Data

Tonnes
1236000000
Grade
0.4
Grade Unit
%
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01
Prior Tonnes
1205000000
Prior Grade
0.42
Prior Contained Metal
5061000

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Measured and Indicated Resources are 1,236 Mt at 0.40% copper, showing a slight tonnage increase but a grade and contained metal decline compared to the 2023 PFS.

Positive factors

  • Very large Measured and Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Negative factors

  • Grade decline compared to 2023 PFS (0.42% to 0.40% Cu)
  • Contained metal decline compared to 2023 PFS (5.061 Mt to 4.993 Mt Cu)

Evidence · table

“1,236”

Context: Total Measured and Indicated (inclusive of reserves)

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 22Copper World · molybdenumTonnes: 1236000000Grade: 120Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:4fb85a117d21cc331295
Mining method
open_pit

Resource Data

Tonnes
1236000000
Grade
120
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Measured and Indicated Resources include 1,236 Mt at 120 g/t molybdenum, providing a significant byproduct credit.

Positive factors

  • Very large Measured and Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“120”

Context: Total Measured and Indicated (inclusive of reserves)

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 23Copper World · goldTonnes: 1236000000Grade: 0.02Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:4fb85a117d21cc331295
Mining method
open_pit

Resource Data

Tonnes
1236000000
Grade
0.02
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Measured and Indicated Resources include 1,236 Mt at 0.020 g/t gold, providing a minor byproduct credit.

Positive factors

  • Very large Measured and Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“0.020”

Context: Total Measured and Indicated (inclusive of reserves)

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Fact 24Copper World · silverTonnes: 1236000000Grade: 4.12Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:4fb85a117d21cc331295
Mining method
open_pit

Resource Data

Tonnes
1236000000
Grade
4.12
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: Total Measured and Indicated Resources include 1,236 Mt at 4.12 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Very large Measured and Indicated Resource tonnage
  • NI 43-101 compliant and QP signed

Evidence · table

“4.12”

Context: Total Measured and Indicated (inclusive of reserves)

Tags used in scoring

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredCopper World · copperTonnes: 309000000Grade: 0.3Grade Unit: %View all details
Link to this fact

Identity

Project
Copper World
Commodity
copper
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:b913fd9af979ba7855ab
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
309000000
Grade
0.3
Grade Unit
%
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01
Prior Tonnes
275000000
Prior Grade
0.32
Prior Contained Metal
880000

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Inferred Resource increased to 309 Mt at 0.30% copper, representing a 12.3% tonnage growth and 5.3% contained copper growth, despite a slight grade decline, indicating future upside potential.

Positive factors

  • Significant tonnage increase in Inferred category (12.3%)
  • Contained copper increase in Inferred category (5.3%)
  • NI 43-101 compliant and QP signed

Negative factors

  • Grade decline compared to 2023 PFS (0.32% to 0.30% Cu)

Evidence · table

“309”

Context: Inferred resources

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Grade Declinenegative

Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.

Why it applies: 0.3 against 0.32 previously

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredCopper World · molybdenumTonnes: 309000000Grade: 103Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
molybdenum
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:b913fd9af979ba7855ab
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
309000000
Grade
103
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Inferred Resource includes 309 Mt at 103 g/t molybdenum, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant tonnage in Inferred category
  • NI 43-101 compliant and QP signed

Evidence · table

“103”

Context: Inferred resources

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredCopper World · goldTonnes: 309000000Grade: 0.012Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
gold
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:b913fd9af979ba7855ab
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
309000000
Grade
0.012
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Inferred Resource includes 309 Mt at 0.012 g/t gold, providing a minor byproduct credit to the project.

Positive factors

  • Significant tonnage in Inferred category
  • NI 43-101 compliant and QP signed

Evidence · table

“0.012”

Context: Inferred resources

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredCopper World · silverTonnes: 309000000Grade: 2.69Grade Unit: g/tView all details
Link to this fact

Identity

Project
Copper World
Commodity
silver
Region
usa_az
Reported Region
Arizona
Ticker
HBM.TO

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Olivier Tavchandjian
Resource group id
resource:b913fd9af979ba7855ab
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
309000000
Grade
2.69
Grade Unit
g/t
Cutoff Grade
6.03
Cutoff Unit
$/ton

Prior Estimate

Resource Date
2026-08-01

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: The Inferred Resource includes 309 Mt at 2.69 g/t silver, contributing to the project's overall economics as a byproduct.

Positive factors

  • Significant tonnage in Inferred category
  • NI 43-101 compliant and QP signed

Evidence · table

“2.69”

Context: Inferred resources

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

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.