Euro Manganese Announces Positive Preliminary Economic Assessment

Original announcement by tmx on May 14, 2026

Bullish

Company: Euro Manganese Inc.
Ticker: EMN
Exchange: TSX
Region: Czech Republic
Primary commodity: Manganese
Secondary commodities: Magnesium
Document categories: Resource update, Economic study, Metallurgy
Extracted: 2026-09-19 19:33:47 UTC

Minestarters Atlas analysis

Summary

Euro Manganese announced positive Preliminary Economic Assessment (PEA) results for its Chvaletice Manganese Project in the Czech Republic, showing a post-tax NPV of $492.1 million and an IRR of 13.8% at an 8% discount rate. The PEA incorporates improved metallurgical recoveries of 60% for high-purity manganese sulphate monohydrate (HPMSM) and an updated Measured and Indicated resource of 26.96 million tonnes at 7.33% total manganese. The project benefits from significant permitting progress and a phased development strategy to reduce upfront capital and funding risk.

Reasoning: Euro Manganese announced positive PEA results for its Chvaletice Manganese Project, demonstrating robust economics with a post-tax NPV of $492.1M and an IRR of 13.8%. The study incorporates improved metallurgical recoveries (60% for HPMSM) and an updated Measured and Indicated resource of 26.96 Mt at 7.33% total Mn. The project benefits from significant permitting progress and strategic designation, reducing development risk. A phased development approach and the inclusion of a magnesium carbonate by-product further enhance project value. However, the PEA is a preliminary study, and the payback period is relatively long. The resource estimate relies on older data, and securing all land rights remains an outstanding item.

Positive factors

Positive PEA results with robust economics (post-tax NPV $492.1M, IRR 13.8%) for a critical battery material project.
High overall manganese recovery of 60% to HPMSM, reflecting improved metallurgical understanding.
Updated resource estimate with 26.96 Mt Measured and Indicated at 7.33% total Mn, providing a strong foundation for the project.
Project has secured most permits, including a positive ESIA and designation as a Strategic Project under EU Critical Raw Materials Act, significantly de-risking development.
Phased development strategy reduces upfront capital requirements and funding risk.
Addition of magnesium carbonate as a by-product adds incremental value.

Negative factors

The PEA is a preliminary study (AACE Class 4) and does not have the same level of certainty as a PFS or DFS.
Payback period of 7.3 years (post-tax) is at the weaker end of the scale.
The resource estimate is based on older drilling data, with no new drilling or data collection since 2018.
The company is still working to secure remaining land surface rights, which is a potential development risk.

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

Facts used in scoring: 31

Classification and evidence

PEA Onlyneutral

Only Class 4 / Initial Assessment economics available. Not bankable.

Why it applies: The document explicitly states it is a Preliminary Economic Assessment (PEA) report.

Evidence · text

“Euro Manganese Announces Positive Preliminary Economic Assessment”

High IRRpositive

Post-tax real unlevered IRR in the strong tier or better.

Why it applies: The post-tax IRR of 13.8% is within the moderate tier for economic studies.

Evidence · table

“13.8%”

Context: Internal Rate of Return

Slow Paybacknegative

Payback in the weak tier or worse.

Why it applies: The post-tax payback period of 7.3 years is above the weak tier threshold of 7 years.

Evidence · table

“7.3 Years”

Context: Payback (from start of processing)

Conservative Pricingpositive

Conservative on the worst of the spot, 3-year and consensus comparisons.

Why it applies: The PEA uses historically conservative pricing assumptions and forecast real prices in 2025 dollars.

Evidence · text

“underpinned by a pre-tax NPV of $740M and post-tax NPV of $492M (8% discount rate), showing favorable preliminary economic indicators on historically conservative pricing assumptions.”

Fully Permittedpositive

Key permits granted with no unresolved challenge.

Why it applies: The project has secured most permits, including a positive ESIA and a Mining Lease Permit, indicating significant progress in permitting.

Evidence · text

“With most permits secured, a finalized Environmental Impact Assessment ("ESIA"), and official designation as a Strategic Deposit under Czech law and a Strategic Project under the EU Critical Raw Materials Act, Euro Manganese is ready to respond to customers seeking a fully traceable battery-grade manganese supply chain”

Resource Updateneutral

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

Why it applies: The document includes an updated Mineral Resource Statement with an effective date of April 27, 2026.

Evidence · text

“The Project's combined Measured and Indicated Resources now amount to 26,960,000 tonnes, grading 7.33% total manganese (tMn) and 5.86% soluble manganese (sMn), as detailed in Table 6 below.”

Measured Resourcepositive

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

Why it applies: The resource statement includes a Measured category for manganese and magnesium.

Evidence · table

“MEASURED”

Context: Classification

Indicated Resourcepositive

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

Why it applies: The resource statement includes an Indicated category for manganese and magnesium.

Evidence · table

“INDICATED”

Context: Classification

All Inferrednegative

M&I share below the weak bound — very early stage, no engineering confidence.

Why it applies: No blocks were classified as Inferred Resources, indicating a higher confidence in the resource.

Evidence · text

“No blocks were classified as Inferred Resources.”

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 news release states that the scientific and technical information is based upon information prepared, verified, and approved by several Qualified Persons and Competent Persons from Tetra Tech.

Evidence · text

“Additionally, the scientific and technical information included in this news release, is based upon information prepared, verified, and approved by Mr. James Barr, P. Geo, Senior Geologist, Mr. Jianhui (John) Huang, Ph.D., P. Eng., Senior Metallurgical Engineer, Mr. Hassan Ghaffari, P.Eng, M.A.Sc., Senior Process Engineer, Mr. Chris Johns, P.Eng, Senior Geotechnical Engineer, and Mrs. Maurie Marks, P.Eng, Senior Mining Engineer, all with Tetra Tech.”

JORC Compliantpositive

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

Why it applies: The resource estimate and technical report are prepared in accordance with the JORC Code.

Evidence · text

“The 43-101 Technical Report, entitled "Technical Report and Mineral Resource Estimate for the Chvaletice Manganese Project, Chvaletice, Czech Republic", with an effective date of December 8, 2018 ("the Mineral Resource Estimate"), was filed on SEDAR on January 28, 2019. The corresponding JORC Code technical report with an effective date of December 8, 2018, was lodged on the ASX on February 6, 2019.”

NI 43-101 Compliantpositive

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

Why it applies: The resource estimate and technical report are prepared in accordance with NI 43-101.

Evidence · text

“The 43-101 Technical Report, entitled "Technical Report and Mineral Resource Estimate for the Chvaletice Manganese Project, Chvaletice, Czech Republic", with an effective date of December 8, 2018 ("the Mineral Resource Estimate"), was filed on SEDAR on January 28, 2019. The corresponding JORC Code technical report with an effective date of December 8, 2018, was lodged on the ASX on February 6, 2019.”

Cut-off Disclosedpositive

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

Why it applies: A break-even grade of 3.78% total Mn has been estimated for the Chvaletice deposit.

Evidence · text

“A break-even grade of 3.78% total Mn has been estimated for the Chvaletice deposit.”

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: Overall Mn in HPMSM recovery of 60.0% is strong for a manganese project.

Evidence · table

“60.0%”

Context: Overall Mn in HPMSM recovery

Pilot Scale Completepositive

Pilot or demonstration plant testing completed under continuous operation.

Why it applies: The company declared successful completion of demonstration plant continuous operation program.

Evidence · text

“On October 16, 2024, Euro Manganese declared successful completion of demonstration plant continuous operation program.”

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: Metallurgical test programs assessed variability across 25 composite samples representing different variation characters, including spatial location, grade variation and particle size variations.

Evidence · text

“The 2017-2021 metallurgical test programs by CRIMM, BGRIMM and other laboratories have widely assessed the variability of the various plant mill feed samples, including a total of 25 composite samples representing different variation characters, covering spatial location, grade variation and particle size variations.”

Byproduct Commodityneutral

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

Why it applies: Magnesium carbonate is produced as a raw product in the processing of HPMSM and is presented as a by-product.

Evidence · text

“Newly incorporated magnesium carbonate ("MgCO 3 ") resource as a by-product enables production of up to 20,000 tpa MgCO 3 , adding incremental value with minimal capital.”

Mill Routeneutral

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

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

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

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

Extracted facts

Stored fact records: 30. Some facts used in scoring do not have a stored record.

Resource Estimates (27)

measuredChvaletice Manganese Project · manganeseTonnes: 10029000Grade: 7.95Grade Unit: %Contained Metal: 797.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:918cc2b3968fd3592b4e
Deposit or zone: Tailings Cell #1

Resource Data

Category: measured
Tonnes: 10029000
Grade: 7.95
Grade Unit: %
Contained Metal: 797.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for Tailings Cell #1 provides a high-confidence estimate of manganese, supporting the project's viability. While the effective date is updated, the underlying drilling data is from 2018, which slightly reduces novelty.

Positive factors

High-confidence Measured resource category.
Significant tonnage and grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 10029000Grade: 6.49Grade Unit: %Contained Metal: 650.9Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:918cc2b3968fd3592b4e
Deposit or zone: Tailings Cell #1

Resource Data

Category: measured
Tonnes: 10029000
Grade: 6.49
Grade Unit: %
Contained Metal: 650.9
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for Tailings Cell #1 provides a high-confidence estimate of soluble manganese, which is crucial for processing. The underlying drilling data is from 2018, slightly reducing novelty.

Positive factors

High-confidence Measured resource category for soluble manganese.
Significant tonnage and grade.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · magnesiumTonnes: 10029000Grade: 0.95Grade Unit: %Contained Metal: 95.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:918cc2b3968fd3592b4e
Deposit or zone: Tailings Cell #1

Resource Data

Category: measured
Tonnes: 10029000
Grade: 0.95
Grade Unit: %
Contained Metal: 95.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for magnesium in Tailings Cell #1 adds value as a by-product. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
High-confidence Measured resource category.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 236000Grade: 8.35Grade Unit: %Contained Metal: 19.7Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:39a87c7fe6589f0050fa
Deposit or zone: Tailings Cell #1

Resource Data

Category: indicated
Tonnes: 236000
Grade: 8.35
Grade Unit: %
Contained Metal: 19.7
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for Tailings Cell #1 adds to the overall manganese inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category provides reasonable geological confidence.
Good grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 236000Grade: 6.67Grade Unit: %Contained Metal: 15.7Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:39a87c7fe6589f0050fa
Deposit or zone: Tailings Cell #1

Resource Data

Category: indicated
Tonnes: 236000
Grade: 6.67
Grade Unit: %
Contained Metal: 15.7
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for soluble manganese in Tailings Cell #1 contributes to the overall inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category for soluble manganese provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · magnesiumTonnes: 236000Grade: 1.09Grade Unit: %Contained Metal: 2.6Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:39a87c7fe6589f0050fa
Deposit or zone: Tailings Cell #1

Resource Data

Category: indicated
Tonnes: 236000
Grade: 1.09
Grade Unit: %
Contained Metal: 2.6
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for magnesium in Tailings Cell #1 adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
Indicated resource category provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 12201000Grade: 6.79Grade Unit: %Contained Metal: 828.5Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d081d5a2f35765bc3dc8
Deposit or zone: Tailings Cell #2

Resource Data

Category: measured
Tonnes: 12201000
Grade: 6.79
Grade Unit: %
Contained Metal: 828.5
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for Tailings Cell #2 provides a high-confidence estimate of manganese, supporting the project's viability. While the effective date is updated, the underlying drilling data is from 2018, which slightly reduces novelty.

Positive factors

High-confidence Measured resource category.
Significant tonnage and grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 12201000Grade: 5.42Grade Unit: %Contained Metal: 661.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d081d5a2f35765bc3dc8
Deposit or zone: Tailings Cell #2

Resource Data

Category: measured
Tonnes: 12201000
Grade: 5.42
Grade Unit: %
Contained Metal: 661.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for soluble manganese in Tailings Cell #2 provides a high-confidence estimate, crucial for processing. The underlying drilling data is from 2018, slightly reducing novelty.

Positive factors

High-confidence Measured resource category for soluble manganese.
Significant tonnage and grade.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · magnesiumTonnes: 12201000Grade: 1.11Grade Unit: %Contained Metal: 135.4Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d081d5a2f35765bc3dc8
Deposit or zone: Tailings Cell #2

Resource Data

Category: measured
Tonnes: 12201000
Grade: 1.11
Grade Unit: %
Contained Metal: 135.4
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for magnesium in Tailings Cell #2 adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
High-confidence Measured resource category.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 189000Grade: 7.22Grade Unit: %Contained Metal: 13.6Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:c0f0f4ae0d51f7360c9e
Deposit or zone: Tailings Cell #2

Resource Data

Category: indicated
Tonnes: 189000
Grade: 7.22
Grade Unit: %
Contained Metal: 13.6
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for Tailings Cell #2 adds to the overall manganese inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category provides reasonable geological confidence.
Good grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 189000Grade: 5.3Grade Unit: %Contained Metal: 10Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:c0f0f4ae0d51f7360c9e
Deposit or zone: Tailings Cell #2

Resource Data

Category: indicated
Tonnes: 189000
Grade: 5.3
Grade Unit: %
Contained Metal: 10
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for soluble manganese in Tailings Cell #2 contributes to the overall inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category for soluble manganese provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · magnesiumTonnes: 189000Grade: 1.27Grade Unit: %Contained Metal: 2.4Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:c0f0f4ae0d51f7360c9e
Deposit or zone: Tailings Cell #2

Resource Data

Category: indicated
Tonnes: 189000
Grade: 1.27
Grade Unit: %
Contained Metal: 2.4
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for magnesium in Tailings Cell #2 adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
Indicated resource category provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 4265000Grade: 7.35Grade Unit: %Contained Metal: 313.5Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:6589b53aa70cb69be9a4
Deposit or zone: Tailings Cell #3

Resource Data

Category: measured
Tonnes: 4265000
Grade: 7.35
Grade Unit: %
Contained Metal: 313.5
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for Tailings Cell #3 provides a high-confidence estimate of manganese, supporting the project's viability. While the effective date is updated, the underlying drilling data is from 2018, which slightly reduces novelty.

Positive factors

High-confidence Measured resource category.
Significant tonnage and grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 4265000Grade: 5.63Grade Unit: %Contained Metal: 240.1Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:6589b53aa70cb69be9a4
Deposit or zone: Tailings Cell #3

Resource Data

Category: measured
Tonnes: 4265000
Grade: 5.63
Grade Unit: %
Contained Metal: 240.1
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for soluble manganese in Tailings Cell #3 provides a high-confidence estimate, crucial for processing. The underlying drilling data is from 2018, slightly reducing novelty.

Positive factors

High-confidence Measured resource category for soluble manganese.
Significant tonnage and grade.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · magnesiumTonnes: 4265000Grade: 0.96Grade Unit: %Contained Metal: 41Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:6589b53aa70cb69be9a4
Deposit or zone: Tailings Cell #3

Resource Data

Category: measured
Tonnes: 4265000
Grade: 0.96
Grade Unit: %
Contained Metal: 41
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Measured resource for magnesium in Tailings Cell #3 adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
High-confidence Measured resource category.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 39000Grade: 7.9Grade Unit: %Contained Metal: 3.1Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:7965e7d2f0d74ce5c4cd
Deposit or zone: Tailings Cell #3

Resource Data

Category: indicated
Tonnes: 39000
Grade: 7.9
Grade Unit: %
Contained Metal: 3.1
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for Tailings Cell #3 adds to the overall manganese inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category provides reasonable geological confidence.
Good grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 39000Grade: 5.89Grade Unit: %Contained Metal: 2.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:7965e7d2f0d74ce5c4cd
Deposit or zone: Tailings Cell #3

Resource Data

Category: indicated
Tonnes: 39000
Grade: 5.89
Grade Unit: %
Contained Metal: 2.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for soluble manganese in Tailings Cell #3 contributes to the overall inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category for soluble manganese provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · magnesiumTonnes: 39000Grade: 0.95Grade Unit: %Contained Metal: 0.4Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:7965e7d2f0d74ce5c4cd
Deposit or zone: Tailings Cell #3

Resource Data

Category: indicated
Tonnes: 39000
Grade: 0.95
Grade Unit: %
Contained Metal: 0.4
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: This Indicated resource for magnesium in Tailings Cell #3 adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
Indicated resource category provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 26496000Grade: 7.32Grade Unit: %Contained Metal: 1939.9Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:eb3a8f3854b0984d9e4f
Deposit or zone: TOTAL

Resource Data

Category: measured
Tonnes: 26496000
Grade: 7.32
Grade Unit: %
Contained Metal: 1939.9
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Measured resource provides a high-confidence estimate for the project's primary commodity. The effective date is updated, but the underlying data is from 2018, which slightly reduces novelty.

Positive factors

Large tonnage in the Measured resource category.
Good overall manganese grade.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · manganeseTonnes: 26496000Grade: 5.86Grade Unit: %Contained Metal: 1552.9Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:eb3a8f3854b0984d9e4f
Deposit or zone: TOTAL

Resource Data

Category: measured
Tonnes: 26496000
Grade: 5.86
Grade Unit: %
Contained Metal: 1552.9
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Measured resource provides a high-confidence estimate for soluble manganese, crucial for processing. The effective date is updated, but the underlying data is from 2018, which slightly reduces novelty.

Positive factors

Large tonnage in the Measured resource category for soluble manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

measuredChvaletice Manganese Project · magnesiumTonnes: 26496000Grade: 1.02Grade Unit: %Contained Metal: 270.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:eb3a8f3854b0984d9e4f
Deposit or zone: TOTAL

Resource Data

Category: measured
Tonnes: 26496000
Grade: 1.02
Grade Unit: %
Contained Metal: 270.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Measured resource for magnesium adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
High-confidence Measured resource category.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 464000Grade: 7.85Grade Unit: %Contained Metal: 36.4Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:62ed25302c47f0b24561
Deposit or zone: TOTAL

Resource Data

Category: indicated
Tonnes: 464000
Grade: 7.85
Grade Unit: %
Contained Metal: 36.4
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Indicated resource adds to the overall manganese inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category provides reasonable geological confidence.
Good grade for manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 464000Grade: 6.05Grade Unit: %Contained Metal: 28.1Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:62ed25302c47f0b24561
Deposit or zone: TOTAL

Resource Data

Category: indicated
Tonnes: 464000
Grade: 6.05
Grade Unit: %
Contained Metal: 28.1
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Indicated resource for soluble manganese contributes to the overall inventory with reasonable confidence, though based on older data.

Positive factors

Indicated resource category for soluble manganese provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · magnesiumTonnes: 464000Grade: 1.15Grade Unit: %Contained Metal: 5.3Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:62ed25302c47f0b24561
Deposit or zone: TOTAL

Resource Data

Category: indicated
Tonnes: 464000
Grade: 1.15
Grade Unit: %
Contained Metal: 5.3
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The total Indicated resource for magnesium adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
Indicated resource category provides reasonable geological confidence.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 26960000Grade: 7.33Grade Unit: %Contained Metal: 1975.5Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d5a3f587b5f90156485e
Deposit or zone: COMBINED

Resource Data

Category: indicated
Tonnes: 26960000
Grade: 7.33
Grade Unit: %
Contained Metal: 1975.5
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The combined Measured and Indicated resource provides a substantial and high-confidence estimate for the project's primary commodity. The effective date is updated, but the underlying data is from 2018, which slightly reduces novelty.

Positive factors

Large combined Measured and Indicated resource tonnage.
Good overall manganese grade.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · manganeseTonnes: 26960000Grade: 5.86Grade Unit: %Contained Metal: 1579.6Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d5a3f587b5f90156485e
Deposit or zone: COMBINED

Resource Data

Category: indicated
Tonnes: 26960000
Grade: 5.86
Grade Unit: %
Contained Metal: 1579.6
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The combined Measured and Indicated resource provides a substantial and high-confidence estimate for soluble manganese, crucial for processing. The effective date is updated, but the underlying data is from 2018, which slightly reduces novelty.

Positive factors

Large combined Measured and Indicated resource tonnage for soluble manganese.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

indicatedChvaletice Manganese Project · magnesiumTonnes: 26960000Grade: 1.15Grade Unit: %Contained Metal: 310Contained Unit: ktView all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Resource scope

Estimate type: resource
Effective date: 2026-04-27T00:00:00.000Z
Reporting standards: ni_43_101, jorc
QP Signed: Yes
Qualified person names: James Barr, Jianhui (John) Huang, Hassan Ghaffari, Chris Johns, Maurie Marks
Resource group id: resource:d5a3f587b5f90156485e
Deposit or zone: COMBINED

Resource Data

Category: indicated
Tonnes: 26960000
Grade: 1.15
Grade Unit: %
Contained Metal: 310
Contained Unit: kt
Cutoff Grade: 3.78
Cutoff Unit: % total Mn

Prior Estimate

Resource Date: 2026-04-27

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The combined Measured and Indicated resource for magnesium adds to the by-product potential. The estimate is high-confidence, but based on older drilling data.

Positive factors

Magnesium is identified as a valuable by-product.
Large combined Measured and Indicated resource tonnage.
QP/CP signed and JORC/NI 43-101 compliant.

Negative factors

Resource estimate based on older drilling data (no new drilling since 2018).

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

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

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

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

PFS-Supportingneutral

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

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

DFS-Supportingneutral

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

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

Metallurgical Results (3)

pilot plantChvaletice Manganese Project · manganeseRecovery: 61 %View all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Test Work

Program Status: optimization
Test Type: pilot plant
Processing Route: magnetic separation, leaching, purification, electrowinning, HPEMM dissolution, HPMSM crystallization

Recovery

Recovery: 61 %
Recovery Basis: actual_test

Lab

Laboratory: CRIMM and BGRIMM
Consultant: Tetra Tech

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The 61% recovery of manganese to HPEMM is a strong result, achieved through pilot plant testing and reflecting recent optimization work, indicating high confidence in the process.

Positive factors

High recovery for manganese to HPEMM (61%).
Pilot plant scale testing provides high confidence.
Reflects additional metallurgical test work and operational learnings from demonstration plant.
QP/CP signed and independent.

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

pilot plantChvaletice Manganese Project · manganeseRecovery: 60 %View all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: manganese
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Test Work

Program Status: optimization
Test Type: pilot plant
Processing Route: magnetic separation, leaching, purification, electrowinning, HPEMM dissolution, HPMSM crystallization

Recovery

Recovery: 60 %
Recovery Basis: actual_test

Lab

Laboratory: CRIMM and BGRIMM
Consultant: Tetra Tech

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The 60% recovery of manganese to HPMSM is a strong result, achieved through pilot plant testing and reflecting recent optimization work, indicating high confidence in the process.

Positive factors

High recovery for manganese to HPMSM (60%).
Pilot plant scale testing provides high confidence.
Reflects additional metallurgical test work and operational learnings from demonstration plant.
QP/CP signed and independent.

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

pilot plantChvaletice Manganese Project · magnesiumRecovery: 46 %View all details

Link to this fact

Identity

Project: Chvaletice Manganese Project
Commodity: magnesium
Region: czech republic
Reported Region: Czech Republic
Ticker: EMN

Test Work

Program Status: optimization
Test Type: pilot plant
Processing Route: magnesium removal circuit

Recovery

Recovery: 46 %
Recovery Basis: actual_test

Lab

Laboratory: CRIMM and BGRIMM
Consultant: Tetra Tech

Review

Needs Review: No
Historical: No

Dates

Event date: 2026-05-14T00:00:00.000Z

Reasoning: The 46% recovery of magnesium to magnesium carbonate adds incremental value as a by-product, supported by pilot plant testing and recent optimization work.

Positive factors

Magnesium carbonate is produced as a valuable by-product.
Pilot plant scale testing provides high confidence.
Reflects additional metallurgical test work and operational learnings from demonstration plant.
QP/CP signed and independent.

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.