LTR: Investor Presentation - Kathleen Valley Expansion

Original announcement by asx on

Company
Liontown Limited
Ticker
LTR
Exchange
ASX
Region
Unavailable
Primary commodity
Lithium
Secondary commodities
Tantalum
Document categories
Resource update, Capital raise, Production
Extracted
2026-09-29 23:39:18 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Liontown Limited has approved a Final Investment Decision for the Kathleen Valley Expansion, committing A$389 million to increase spodumene concentrate production capacity by 56% to approximately 780 ktpa. The expansion is expected to achieve a ~2.5-year payback and reduce unit operating costs, reinforcing Kathleen Valley's position as a low-cost lithium producer. First ore is targeted for Q1 FY28, with full ramp-up by Q1 FY30.

Reasoning: Liontown has approved a Final Investment Decision for a significant expansion of its Kathleen Valley Lithium Operation, projecting a substantial increase in production, lower operating costs, and strong financial returns, supported by updated resource and reserve estimates.

Positive factors

  • Final Investment Decision approved
  • Significant increase in production capacity
  • Lower unit operating costs projected
  • Attractive payback period
  • Low capital intensity compared to peers
  • Strong lithium market outlook

Negative factors

  • Reliance on Inferred resources in production inventory (though stated as not material)
  • Forward-looking statements involve inherent risks and uncertainties

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

Facts used in scoring: 14

Classification and evidence

JORC Compliantpositive

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

Why it applies: The Mineral Resources and Ore Reserves are stated to be extracted from ASX announcements and the company confirms that the Competent Person's findings have not been materially modified, indicating JORC compliance.

Evidence · text

“The Information in this Report that relates to Mineral Resources and Ore Reserves for the Kathleen Valley Lithium Operation is extracted from the ASX announcement “Kathleen Valley Mineral Resource and Ore Reserve Update” released on 25 September 2025 and as updated in the “Resources and Reserves” statement contained within the FY26 Annual Report released on 31 August 2026, which are available on www.liontown.com. The Company confirms that it is not aware of any other new information or data that materially affects the information included in the original market announcements and that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcements.”

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 company confirms that the Competent Person's findings have not been materially modified from original market announcements, implying a Competent Person sign-off.

Evidence · text

“The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcements.”

Resource Updateneutral

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

Why it applies: The document presents 'Kathleen Valley Mineral Resource at 30 June 2026' and 'Kathleen Valley Ore Reserves at 30 June 2026', indicating an updated estimate.

Evidence · text

“Kathleen Valley Mineral Resource at 30 June 2026”

Inferred Resourcenegative

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

Why it applies: The Mineral Resource table includes 26 Mt of Inferred material.

Evidence · table

“26”

Context: Inferred

No Contained Metalnegative

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

Why it applies: The Mineral Resource and Ore Reserve tables provide tonnage and grade but do not explicitly state contained metal figures.

Evidence · table

“Million tonnes”

Context: Classification

Measured Resourcepositive

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

Why it applies: The Mineral Resource table includes 14 Mt of Measured material.

Evidence · table

“14”

Context: Measured

Indicated Resourcepositive

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

Why it applies: The Mineral Resource table includes 106 Mt of Indicated material.

Evidence · table

“106”

Context: Indicated

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The Ore Reserve table includes 0.3 Mt and 5.4 Mt of Proved material.

Evidence · table

“0.3”

Context: Proved

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The Ore Reserve table includes 63.1 Mt of Probable material.

Evidence · table

“63.1”

Context: Probable

Extracted facts

Stored fact records: 14. Some facts used in scoring do not have a stored record.

Resource Estimates (14)

measuredKathleen Valley Lithium Operation · lithiumTonnes: 14000000Grade: 1.32Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:1bf03335c1ed2f23022a
Mining method
combined

Resource Data

Category
measured
Tonnes
14000000
Grade
1.32
Grade Unit
% Li2O
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Measured Resource for lithium, forming a strong basis for the Kathleen Valley Expansion.

Positive factors

  • Highest confidence resource category
  • Supports significant project expansion

Negative factors

  • No contained metal reported

Evidence · table

“1.32”

Context: 14

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

measuredKathleen Valley Lithium Operation · tantalumTonnes: 14000000Grade: 140Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:1bf03335c1ed2f23022a
Mining method
combined

Resource Data

Category
measured
Tonnes
14000000
Grade
140
Grade Unit
ppm Ta2O5
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Measured Resource for tantalum, a byproduct of the lithium operation.

Positive factors

  • Highest confidence resource category

Negative factors

  • No contained metal reported

Evidence · table

“140”

Context: 14

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

indicatedKathleen Valley Lithium Operation · lithiumTonnes: 106000000Grade: 1.36Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:f0bf8a026033ebf6510c
Mining method
combined

Resource Data

Category
indicated
Tonnes
106000000
Grade
1.36
Grade Unit
% Li2O
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Indicated Resource for lithium, providing a strong basis for the Kathleen Valley Expansion.

Positive factors

  • High confidence resource category
  • Supports significant project expansion

Negative factors

  • No contained metal reported

Evidence · table

“1.36”

Context: 106

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

indicatedKathleen Valley Lithium Operation · tantalumTonnes: 106000000Grade: 130Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:f0bf8a026033ebf6510c
Mining method
combined

Resource Data

Category
indicated
Tonnes
106000000
Grade
130
Grade Unit
ppm Ta2O5
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Indicated Resource for tantalum, a byproduct of the lithium operation.

Positive factors

  • High confidence resource category

Negative factors

  • No contained metal reported

Evidence · table

“130”

Context: 106

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

inferredKathleen Valley Lithium Operation · lithiumTonnes: 26000000Grade: 1.24Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:dad14ff1191b32fc453d
Mining method
combined

Resource Data

Category
inferred
Tonnes
26000000
Grade
1.24
Grade Unit
% Li2O
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Inferred resource for lithium, with the company stating it does not materially affect the technical and economic viability of the expansion.

Positive factors

  • Inferred material stated to not materially affect project economics

Negative factors

  • Lower confidence resource category
  • No contained metal reported

Evidence · table

“1.24”

Context: 26

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

inferredKathleen Valley Lithium Operation · tantalumTonnes: 26000000Grade: 120Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:dad14ff1191b32fc453d
Mining method
combined

Resource Data

Category
inferred
Tonnes
26000000
Grade
120
Grade Unit
ppm Ta2O5
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Inferred resource for tantalum, with the company stating the overall inferred material does not materially affect the technical and economic viability of the expansion.

Positive factors

  • Inferred material stated to not materially affect project economics

Negative factors

  • Lower confidence resource category
  • No contained metal reported

Evidence · table

“120”

Context: 26

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · lithiumTonnes: 300000Grade: 1.02Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:def6f0161af5ac00ff26
Mining method
combined

Resource Data

Category
proven
Tonnes
300000
Grade
1.02
Grade Unit
% Li2O
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Resource for lithium from stockpiles, contributing to the overall project inventory.

Positive factors

  • Highest confidence resource category (stockpiles)
  • Supports project expansion

Negative factors

  • No contained metal reported

Evidence · table

“1.02”

Context: 0.3

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · tantalumTonnes: 300000Grade: 140Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:def6f0161af5ac00ff26
Mining method
combined

Resource Data

Category
proven
Tonnes
300000
Grade
140
Grade Unit
ppm Ta2O5
Cutoff Grade
0.6
Cutoff Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Resource for tantalum from stockpiles, a byproduct of the lithium operation.

Positive factors

  • Highest confidence resource category (stockpiles)

Negative factors

  • No contained metal reported

Evidence · table

“140”

Context: 0.3

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · lithiumTonnes: 300000Grade: 1.02Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:8946159733546a3ac30e
Mining method
combined

Resource Data

Category
proven
Tonnes
300000
Grade
1.02
Grade Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Reserve for lithium from stockpiles, contributing to the overall project inventory.

Positive factors

  • Highest confidence reserve category (stockpiles)
  • Supports project expansion

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“1.02”

Context: 0.3

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · tantalumTonnes: 300000Grade: 139Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:8946159733546a3ac30e
Mining method
combined

Resource Data

Category
proven
Tonnes
300000
Grade
139
Grade Unit
ppm Ta2O5

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Reserve for tantalum from stockpiles, a byproduct of the lithium operation.

Positive factors

  • Highest confidence reserve category (stockpiles)

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“139”

Context: 0.3

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · lithiumTonnes: 5400000Grade: 1.3Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:4e872ffb72efc13a5542
Mining method
combined

Resource Data

Category
proven
Tonnes
5400000
Grade
1.3
Grade Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Reserve for underground lithium, forming a strong basis for the Kathleen Valley Expansion.

Positive factors

  • Highest confidence reserve category
  • Supports significant project expansion

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“1.30”

Context: 5.4

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

provenKathleen Valley Lithium Operation · tantalumTonnes: 5400000Grade: 110Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:4e872ffb72efc13a5542
Mining method
combined

Resource Data

Category
proven
Tonnes
5400000
Grade
110
Grade Unit
ppm Ta2O5

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Proved Reserve for underground tantalum, a byproduct of the lithium operation.

Positive factors

  • Highest confidence reserve category

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“110”

Context: 5.4

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

probableKathleen Valley Lithium Operation · lithiumTonnes: 63100000Grade: 1.32Grade Unit: % Li2OView all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
lithium
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:61bd9a3cd6fda21e92b1
Mining method
combined

Resource Data

Category
probable
Tonnes
63100000
Grade
1.32
Grade Unit
% Li2O

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Probable Reserve for underground lithium, providing a strong basis for the Kathleen Valley Expansion.

Positive factors

  • High confidence reserve category
  • Supports significant project expansion

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“1.32”

Context: 63.1

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

probableKathleen Valley Lithium Operation · tantalumTonnes: 63100000Grade: 119Grade Unit: ppm Ta2O5View all details
Link to this fact

Identity

Project
Kathleen Valley Lithium Operation
Commodity
tantalum
Ticker
LTR

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Resource group id
resource:61bd9a3cd6fda21e92b1
Mining method
combined

Resource Data

Category
probable
Tonnes
63100000
Grade
119
Grade Unit
ppm Ta2O5

Prior Estimate

Resource Date
2026-06-30

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: High confidence Probable Reserve for underground tantalum, a byproduct of the lithium operation.

Positive factors

  • High confidence reserve category

Negative factors

  • No contained metal reported
  • Cut-off grade is a range, not a single value

Evidence · table

“119”

Context: 63.1

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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.