AEE: Tiris BFS Confirms Low-Cost, Near-Term Uranium Project

Original announcement by asx on

Company
Aura Energy Limited
Ticker
AEE
Exchange
ASX
Region
Mauritania
Primary commodity
Uranium
Secondary commodities
Vanadium
Document categories
Other, Resource update, Metallurgy
Extracted
2026-10-15 22:16:50 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Aura Energy Limited has announced highly positive results from its Bankable Feasibility Study for the Tiris Uranium Project in Mauritania, confirming it as a low-cost, near-term uranium producer with robust financial returns. The study reports a post-tax NPV of US$500.3 million and an IRR of 28%, underpinned by an 11% increase in Ore Reserves to 37.3 Mlb U3O8. The project benefits from simple, free-dig mining, high overall recovery, and advanced processing technologies, with a Final Investment Decision targeted for December 2026.

Reasoning: The Bankable Feasibility Study confirms robust economics for the Tiris Uranium Project, with strong NPV and IRR, low operating costs, and an increased Ore Reserve, supporting a path to production. While funding is not yet secured and some Inferred resources are included in the production target, the overall outlook is highly positive.

Positive factors

  • Strong financial metrics (NPV, IRR, low operating costs) confirmed by BFS
  • Significant increase in Ore Reserve tonnage and contained metal
  • Technically simple, free-dig mining with high overall recovery
  • Advanced processing technologies (ATA, MBIX) validated by pilot plant
  • Key permits and approvals in place, supporting near-term production
  • Advanced financing discussions with DFC and nuclear utility
  • High Measured and Indicated component in the resource underpinning the BFS
  • Low development risk assessed by TradeTech

Negative factors

  • Significant portion of production target (32.9%) based on Inferred Mineral Resources
  • Funding for the project is not yet secured
  • Development capital cost increased significantly from previous studies
  • ATA technology has not yet been used at a commercial uranium operation
  • Inferred material outside the mine plan is not included in the production target
  • Some routine construction and operating permits are still pending
  • Exploration permit renewal for Hippolyte South is pending
  • Ore Reserve grade declined slightly compared to prior estimate

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

Facts used in scoring: 29

Classification and evidence

JORC Compliantpositive

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

Why it applies: The Ore Reserve estimate and Mineral Resource estimate are reported in accordance with the JORC Code (2012 Edition).

Evidence · text

“The production target is based on the Mineral Resource estimate for the Tiris Uranium Project reported in accordance with the JORC Code (2012 Edition) in the ASX and AIM release dated 12 June 2024 “Aura increases Tiris’ Mineral Resources by 55% to 91.3 Mlbs U3O8”, and on the Ore Reserve estimate for the Tiris Uranium Project reported in this announcement. The Mineral Resources and Ore Reserves underpinning the production target have been prepared by a Competent Person in accordance with the requirements of the JORC Code (2012 Edition).”

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 Ore Reserve estimate is based on information compiled by Mr Andrew Hutson of Resolve Mining Services, a Fellow of the AusIMM, and the Mineral Resource estimate was by H&S Consultants.

Evidence · text

“The information in this Announcement that relates to Ore Reserves for the Tiris Uranium Project is based on, and fairly represents, information compiled by Mr Andrew Hutson of Resolve Mining Services. Mr Hutson is a Fellow of the Australian Institute of Mining and Metallurgy (AusIMM) and has sufficient experience relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the JORC Code 2012. Mr Hutson consents to the inclusion in this Announcement of the matters based on his information in the form and context in which it appears.”

Tonnage Growthpositive

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

Why it applies: The updated Ore Reserve of 74.6 Mt is an 18.8% increase from the previous Ore Reserve of 62.8 Mt.

Evidence · text

“Ore Reserve estimate has increased by 11% to 74.6 Mt at 227 ppm U3O8, containing 37.3 Mlb of U3O8, up from 33.6 Mlb of U3O82”

Contained Metal Growthpositive

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

Why it applies: The updated Ore Reserve of 37.3 Mlb U3O8 is a 10.9% increase from the previous Ore Reserve of 33.6 Mlb U3O8.

Evidence · text

“Ore Reserve estimate has increased by 11% to 74.6 Mt at 227 ppm U3O8, containing 37.3 Mlb of U3O8, up from 33.6 Mlb of U3O82”

Grade Declinenegative

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

Why it applies: The updated Ore Reserve grade of 227 ppm U3O8 is a 6.58% decrease from the previous Ore Reserve grade of 243 ppm U3O8.

Evidence · text

“Total Ore Reserve 74.6 Mt at 227 ppm U3O8 for 37.3 Mlb, compared with the previous Ore Reserve of 62.8 Mt at 243 ppm U3O8 for 33.6 Mlb.”

Inferred Resourcenegative

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

Why it applies: The production target includes 32.9% Inferred Mineral Resources, and 100% of the Oum Ferkik resource is Inferred.

Evidence · text

“In accordance with ASX Listing Rule 5.16.3, the Company advises that, by ore tonnes, the production target for the Tiris Uranium Project set out in this announcement comprises 67.1% Ore Reserves (28.3% Proved Ore Reserves and 38.8% Probable Ore Reserves) and 32.9% Inferred Mineral Resources”

Cut-off Disclosedpositive

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

Why it applies: The cut-off grades for the Ore Reserve are clearly stated as 150 ppm U3O8 for Group 1 and 100 ppm U3O8 for Groups 2 and 3.

Evidence · text

“Ore Reserves are calculated using cut-off grades of 150 ppm U3O8 for Group 1 and 100 ppm U3O8 for Groups 2 and 3.”

Pilot Scale Completepositive

Pilot or demonstration plant testing completed under continuous operation.

Why it applies: A pilot plant processing more than 80 tonnes of Tiris ore will confirm the selected flowsheet under continuous operating conditions, commencing in November 2026.

Evidence · text

“A pilot plant processing more than 80 tonnes of Tiris ore will confirm the selected flowsheet under continuous operating conditions, commencing in November 2026.”

Refractory Orenegative

Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.

Why it applies: The ore is free-digging and does not require drilling, blasting, crushing or grinding, and the carnotite separates readily from the host rock.

Evidence · text

“This is why the ore is loose and lies at or near the surface, so it can be dug without blasting and needs no crushing. The carnotite forms fine coatings on the gravel and granite fragments, so it separates readily from the host rock.”

Novel Processingnegative · Story-specific tag

No canonical definition is currently available.

Why it applies: ATA® has not yet been used at a commercial uranium operation, although HVBF is common in mining.

Evidence · text

“While ATA has not yet been used at a commercial uranium operation, the use of HVBF is common in the mining industry.”

Low Recoverynegative

Recovery below the weak band for the commodity and processing route.

Why it applies: The overall recovery of 83.7% is below the exceptional threshold for uranium (95%) but within the moderate to strong range for the specific processing route.

Evidence · text

“Overall recovery, ore to product (LOM average) % 83.7”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a flotation route ("concentrate")

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route ("spiral")

Extracted facts

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

Resource Estimates (27)

Fact 1Tiris Uranium Project · uraniumTonnes: 184000000Grade: 225Grade Unit: ppmContained Metal: 91.3Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:ed2d092b294ab0523c21
Mining method
combined

Resource Data

Tonnes
184000000
Grade
225
Grade Unit
ppm
Contained Metal
91.3
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The total Mineral Resource is substantial and JORC compliant, providing a strong base for the project, though it is a restatement of a prior release.

Positive factors

  • Large total Mineral Resource with significant contained metal
  • JORC 2012 compliant and QP signed

Evidence · text

“The total Mineral Resource is 184 Mt at 225 ppm U3O8 for 91.3 Mlb and is restated from the ASX and AIM release of 12 June 2024, "Aura increases Tiris’ Mineral Resources by 55% to 91.3 Mlbs U3O8". It was estimated by H&S Consultants and is reported at a 100 ppm U3O8 cut-off.”

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

Tiris EastTiris Uranium Project · uraniumTonnes: 162000000Grade: 215Grade Unit: ppmContained Metal: 76.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:1b1698371a07cd33b0f3
Deposit or zone
Tiris East
Mining method
combined

Resource Data

Tonnes
162000000
Grade
215
Grade Unit
ppm
Contained Metal
76.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Tiris East Mineral Resource forms the basis of the BFS and includes a substantial amount of contained uranium, with a good confidence level.

Positive factors

  • Large resource within the BFS scope
  • Significant portion in Measured and Indicated categories

Evidence · text

“The BFS covers the Tiris East Mineral Resource of 162 Mt at 215 ppm for 76.6 Mlb, comprising 83 Mt at 219 ppm for 39.9 Mlb of Measured and Indicated Mineral Resources and 79 Mt at 210 ppm for 36.7 Mlb of Inferred Mineral Resources.”

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

measuredTiris Uranium Project · uraniumTonnes: 34000000Grade: 230Grade Unit: ppmContained Metal: 17.3Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:72142ea09e5228942ac2
Deposit or zone
Tiris East
Mining method
combined

Resource Data

Category
measured
Tonnes
34000000
Grade
230
Grade Unit
ppm
Contained Metal
17.3
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Measured Resource provides a high level of geological confidence for a portion of the Tiris East project.

Positive factors

  • High confidence Measured Resource
  • Significant contained metal in the highest confidence category

Evidence · table

“34”

Context: 17.3

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · uraniumTonnes: 48000000Grade: 212Grade Unit: ppmContained Metal: 22.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:f2a698bef30e202452c6
Deposit or zone
Tiris East
Mining method
combined

Resource Data

Category
indicated
Tonnes
48000000
Grade
212
Grade Unit
ppm
Contained Metal
22.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Indicated Resource adds to the geological confidence and contained metal for the Tiris East project.

Positive factors

  • Good confidence Indicated Resource
  • Significant contained metal in a high confidence category

Evidence · table

“48”

Context: 22.6

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · uraniumTonnes: 79000000Grade: 210Grade Unit: ppmContained Metal: 36.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:c2a6263a8e2d9a61359f
Deposit or zone
Tiris East
Mining method
combined

Resource Data

Category
inferred
Tonnes
79000000
Grade
210
Grade Unit
ppm
Contained Metal
36.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Inferred Resource contributes to the overall scale but has lower geological confidence and requires further work for conversion.

Positive factors

  • Adds to overall resource scale

Negative factors

  • Lower confidence Inferred category
  • Requires further drilling for upgrade

Evidence · table

“79”

Context: 36.7

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · uraniumTonnes: 22000000Grade: 294Grade Unit: ppmContained Metal: 14.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:ab3883a18df2972e7e41
Deposit or zone
Oum Ferkik
Mining method
combined

Resource Data

Category
inferred
Tonnes
22000000
Grade
294
Grade Unit
ppm
Contained Metal
14.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Oum Ferkik resource provides additional potential but is not part of the current project and is entirely in the Inferred category.

Positive factors

  • Adds to company's overall uranium endowment

Negative factors

  • Outside the current project scope
  • All Inferred category, requiring significant further work

Evidence · text

“The Oum Ferkik Resource of 22 Mt at 294 ppm for 14.6 Mlb, all Inferred, is outside the Project.”

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

Fact 7Tiris Uranium Project · uraniumTonnes: 74600000Grade: 227Grade Unit: ppmContained Metal: 37.3Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Andrew Hutson
Resource group id
resource:e0461f9200f7e28b1287
Mining method
combined

Resource Data

Tonnes
74600000
Grade
227
Grade Unit
ppm
Contained Metal
37.3
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2026-10-16
Prior Tonnes
62800000
Prior Grade
243
Prior Contained Metal
33.6

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The updated Ore Reserve shows a strong increase in tonnage and contained metal, providing a robust foundation for the project, despite a minor grade decrease.

Positive factors

  • Significant increase in Ore Reserve tonnage (18.8%)
  • Significant increase in contained metal (10.9%)
  • High confidence in JORC compliant Ore Reserve
  • QP signed off on the estimate

Negative factors

  • Slight decrease in average grade (-6.58%) compared to prior estimate

Evidence · text

“An updated Ore Reserve of 74.6 Mt at 227 ppm U3O8 for 37.3 Mlb has been included in this release in conjunction with the BFS. Of this, 31.5 Mt at 237 ppm U3O8 for 16.4 Mlb is Proved and 43.1 Mt at 219 ppm U3O8 for 20.8 Mlb is Probable. It was estimated by Mr Andrew Hutson of Resolve Mining Services. This replaces the Ore Reserve reported in the ASX release dated 16 December 2024 “Substantial increase in Tiris Uranium Project Ore 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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

Tonnage Growthpositive

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

Why it applies: 74600000 against 62800000 previously

Grade Declinenegative

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

Why it applies: 227 against 243 previously

Contained Metal Growthpositive

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

Why it applies: 37.3 against 33.6 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

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

provenTiris Uranium Project · uraniumTonnes: 31500000Grade: 237Grade Unit: ppmContained Metal: 16.4Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Andrew Hutson
Resource group id
resource:29b8c44c2a5d02ec98a0
Mining method
combined

Resource Data

Category
proven
Tonnes
31500000
Grade
237
Grade Unit
ppm
Contained Metal
16.4
Contained Unit
mlb
Cutoff Grade
150
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2026-10-16

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Proved Ore Reserve provides the highest level of confidence for a substantial portion of the project's economic viability.

Positive factors

  • Highest confidence reserve category
  • Significant contained metal in Proved category

Evidence · text

“Of this, 31.5 Mt at 237 ppm U3O8 for 16.4 Mlb is Proved and 43.1 Mt at 219 ppm U3O8 for 20.8 Mlb is Probable.”

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

probableTiris Uranium Project · uraniumTonnes: 43100000Grade: 219Grade Unit: ppmContained Metal: 20.8Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Andrew Hutson
Resource group id
resource:8f00dc4bf837646e8f87
Mining method
combined

Resource Data

Category
probable
Tonnes
43100000
Grade
219
Grade Unit
ppm
Contained Metal
20.8
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2026-10-16

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The Probable Ore Reserve adds significantly to the project's economic viability with a high level of confidence.

Positive factors

  • High confidence reserve category
  • Significant contained metal in Probable category

Evidence · text

“Of this, 31.5 Mt at 237 ppm U3O8 for 16.4 Mlb is Proved and 43.1 Mt at 219 ppm U3O8 for 20.8 Mlb is Probable.”

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

inferredTiris Uranium Project · vanadiumTonnes: 2000000Grade: 56Grade Unit: ppmContained Metal: 0.3Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:8e8453e15322ed777324
Deposit or zone
Hippolyte East
Mining method
combined

Resource Data

Category
inferred
Tonnes
2000000
Grade
56
Grade Unit
ppm
Contained Metal
0.3
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“56”

Context: 2

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

measuredTiris Uranium Project · vanadiumTonnes: 11000000Grade: 77Grade Unit: ppmContained Metal: 1.8Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:1e9e290ae7c2351f15e0
Deposit or zone
Hippolyte North
Mining method
combined

Resource Data

Category
measured
Tonnes
11000000
Grade
77
Grade Unit
ppm
Contained Metal
1.8
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Measured resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Measured category

Negative factors

  • Low grade and contained metal

Evidence · table

“77”

Context: 11

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · vanadiumTonnes: 7000000Grade: 77Grade Unit: ppmContained Metal: 1.2Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:488df99be9c415b0d8d5
Deposit or zone
Hippolyte North
Mining method
combined

Resource Data

Category
indicated
Tonnes
7000000
Grade
77
Grade Unit
ppm
Contained Metal
1.2
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Indicated resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Indicated category

Negative factors

  • Low grade and contained metal

Evidence · table

“77”

Context: 7

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 9000000Grade: 77Grade Unit: ppmContained Metal: 1.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:8cc61576337028d21f17
Deposit or zone
Hippolyte North
Mining method
combined

Resource Data

Category
inferred
Tonnes
9000000
Grade
77
Grade Unit
ppm
Contained Metal
1.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“77”

Context: 9

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · vanadiumTonnes: 5000000Grade: 67Grade Unit: ppmContained Metal: 0.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:de6b24281002152ee5e9
Deposit or zone
Hippolyte South
Mining method
combined

Resource Data

Category
indicated
Tonnes
5000000
Grade
67
Grade Unit
ppm
Contained Metal
0.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Indicated resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Indicated category

Negative factors

  • Low grade and contained metal

Evidence · table

“67”

Context: 5

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 28000000Grade: 59Grade Unit: ppmContained Metal: 3.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:0a83ab866823422b3db2
Deposit or zone
Hippolyte South
Mining method
combined

Resource Data

Category
inferred
Tonnes
28000000
Grade
59
Grade Unit
ppm
Contained Metal
3.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“59”

Context: 28

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 4000000Grade: 79Grade Unit: ppmContained Metal: 0.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:3a65c2bb584b1d8d2a01
Deposit or zone
Hippolyte West C
Mining method
combined

Resource Data

Category
inferred
Tonnes
4000000
Grade
79
Grade Unit
ppm
Contained Metal
0.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“79”

Context: 4

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 10000000Grade: 80Grade Unit: ppmContained Metal: 1.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:e26c3830e0d9e64dd0e8
Deposit or zone
Marie
Mining method
combined

Resource Data

Category
inferred
Tonnes
10000000
Grade
80
Grade Unit
ppm
Contained Metal
1.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“80”

Context: 10

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

measuredTiris Uranium Project · vanadiumTonnes: 4000000Grade: 94Grade Unit: ppmContained Metal: 0.8Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:61064b28e52e91998a9b
Deposit or zone
Lazare North
Mining method
combined

Resource Data

Category
measured
Tonnes
4000000
Grade
94
Grade Unit
ppm
Contained Metal
0.8
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Measured resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Measured category

Negative factors

  • Low grade and contained metal

Evidence · table

“94”

Context: 4

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · vanadiumTonnes: 10000000Grade: 80Grade Unit: ppmContained Metal: 1.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:b87f2ca95285b0282914
Deposit or zone
Lazare North
Mining method
combined

Resource Data

Category
indicated
Tonnes
10000000
Grade
80
Grade Unit
ppm
Contained Metal
1.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Indicated resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Indicated category

Negative factors

  • Low grade and contained metal

Evidence · table

“80”

Context: 10

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 4000000Grade: 97Grade Unit: ppmContained Metal: 0.8Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:de963fa534e4f65591bf
Deposit or zone
Lazare North
Mining method
combined

Resource Data

Category
inferred
Tonnes
4000000
Grade
97
Grade Unit
ppm
Contained Metal
0.8
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“97”

Context: 4

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

measuredTiris Uranium Project · vanadiumTonnes: 8000000Grade: 76Grade Unit: ppmContained Metal: 1.4Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:19b08f64c4ead4f9245d
Deposit or zone
Lazare South
Mining method
combined

Resource Data

Category
measured
Tonnes
8000000
Grade
76
Grade Unit
ppm
Contained Metal
1.4
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Measured resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Measured category

Negative factors

  • Low grade and contained metal

Evidence · table

“76”

Context: 8

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · vanadiumTonnes: 7000000Grade: 70Grade Unit: ppmContained Metal: 1Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:1c93432569e7a758e790
Deposit or zone
Lazare South
Mining method
combined

Resource Data

Category
indicated
Tonnes
7000000
Grade
70
Grade Unit
ppm
Contained Metal
1
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Indicated resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Indicated category

Negative factors

  • Low grade and contained metal

Evidence · table

“70”

Context: 7

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 6000000Grade: 68Grade Unit: ppmContained Metal: 0.8Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:ccd22bc643e6e104ef98
Deposit or zone
Lazare South
Mining method
combined

Resource Data

Category
inferred
Tonnes
6000000
Grade
68
Grade Unit
ppm
Contained Metal
0.8
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“68”

Context: 6

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

measuredTiris Uranium Project · vanadiumTonnes: 11000000Grade: 64Grade Unit: ppmContained Metal: 1.6Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:c1e339cb7b4c1dd7dd9a
Deposit or zone
Sadi
Mining method
combined

Resource Data

Category
measured
Tonnes
11000000
Grade
64
Grade Unit
ppm
Contained Metal
1.6
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Measured resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Measured category

Negative factors

  • Low grade and contained metal

Evidence · table

“64”

Context: 11

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

indicatedTiris Uranium Project · vanadiumTonnes: 20000000Grade: 61Grade Unit: ppmContained Metal: 2.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:b4ca4f63453c789bd3e8
Deposit or zone
Sadi
Mining method
combined

Resource Data

Category
indicated
Tonnes
20000000
Grade
61
Grade Unit
ppm
Contained Metal
2.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: Vanadium is present in the Indicated resource, but at low grades, suggesting it is a minor byproduct.

Positive factors

  • Presence of byproduct vanadium in Indicated category

Negative factors

  • Low grade and contained metal

Evidence · table

“61”

Context: 20

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 17000000Grade: 65Grade Unit: ppmContained Metal: 2.4Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:dc9899b18bc61b8d1e4b
Deposit or zone
Sadi
Mining method
combined

Resource Data

Category
inferred
Tonnes
17000000
Grade
65
Grade Unit
ppm
Contained Metal
2.4
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“65”

Context: 17

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

inferredTiris Uranium Project · vanadiumTonnes: 22000000Grade: 95Grade Unit: ppmContained Metal: 4.7Contained Unit: mlbView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
vanadium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
H&S Consultants
Resource group id
resource:ab3883a18df2972e7e41
Deposit or zone
Oum Ferkik
Mining method
combined

Resource Data

Category
inferred
Tonnes
22000000
Grade
95
Grade Unit
ppm
Contained Metal
4.7
Contained Unit
mlb
Cutoff Grade
100
Cutoff Unit
ppm U3O8

Prior Estimate

Resource Date
2024-06-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The vanadium resource is small and in the inferred category, indicating limited current economic significance.

Positive factors

  • Presence of byproduct vanadium

Negative factors

  • Low grade and contained metal
  • Inferred category

Evidence · table

“95”

Context: 22

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.3 years before this release

Metallurgical Results (1)

pilot plantTiris Uranium Project · uraniumHead Grade: 225Head Grade Unit: ppmView all details
Link to this fact

Identity

Project
Tiris Uranium Project
Commodity
uranium
Region
mauritania
Reported Region
Mauritania
Ticker
AEE

Test Work

Program Status
detailed
Test Type
pilot plant
Processing Route
scrubbing and wet screening, two-stage decanter centrifuges, alkaline leaching (sodium carbonate), ATA-conditioned horizontal vacuum belt filtration (HVBF), Moving Bed Ion Exchange (MBIX), nanofiltration reagent recycle
Grind P80
75 µm
Leach Time
12 hours

Recovery

Head Grade
225
Head Grade Unit
ppm
Conc. Grade
1697
Conc. Grade Unit
ppm U3O8

Reagents

Acid
1.08 kg/t

Lab

Laboratory
ANSTO Minerals, RCS/Acclarium, Clean TeQ Water, Vietti Slurrytec, ENPROTEC, Jord International
Consultant
AMC Consultants, Wood Group, Worley, Knight Piésold, Earth Systems, JBS&G, TradeTech

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-15T00:00:00.000Z

Reasoning: The metallurgical test work confirms high recovery and efficient processing, with a pilot plant validating the flowsheet, indicating strong technical viability.

Positive factors

  • High overall recovery for uranium
  • Significant upgrade in leach feed grade through beneficiation
  • Pilot plant testing to confirm flowsheet performance
  • Use of advanced and efficient processing technologies (ATA, MBIX)
  • Reagent recovery through nanofiltration reduces consumption

Negative factors

  • ATA technology not yet used at commercial uranium operation

Evidence · text

“Simple beneficiation upgrades uranium seven-fold to a leach feed grade of 1,697ppm U3O8, with overall recovery of 83.7% • The Tiris Pilot Plant at Bir Moghrein, which replicates the full commercial flowsheet, is due on site later this month and to operate from November to December. It is expected to process more than 80t of ore over different ore types to confirm plant performance ahead of FID”

Tags used in scoring

Pilot Scale Completepositive

Pilot or demonstration plant testing completed under continuous operation.

Why it applies: test_type names pilot-scale work

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

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.