Itafos Completes Updated Preliminary Economic Assessment for the Arraias Phosphate Project

Original announcement by tmx on

Company
Itafos Inc.
Ticker
IFOS
Exchange
TSX
Region
Tocantins, Brazil
Primary commodity
Phosphate
Secondary commodities
None reported
Document categories
Resource update, Other
Extracted
2026-08-21 02:50:01 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Itafos has completed an updated Preliminary Economic Assessment (PEA) for the Arraias Phosphate Project in Brazil, reporting a 5 Mt Mineral Resource (2 Mt M&I, 3 Mt Inferred). The PEA indicates robust economics with an 85% IRR and an after-tax NPV of $70.7 million USD.

Reasoning: The updated PEA provides a clear economic pathway for the Arraias Project with strong IRR and NPV, supported by a multi-category mineral resource estimate.

Positive factors

  • Robust economic indicators (85% IRR, $70.7M NPV)
  • Significant resource scale (5 Mt total)
  • NI 43-101 compliant technical report
  • Existing production at Domingos deposit

Negative factors

  • All resources are Inferred or M&I (no reserves)
  • Project sensitivity to product sales price

Facts used in scoring: 6

Atlas analysis — Itafos Inc.: Itafos Completes Updated Preliminary Economic Assessment for the Arraias Phosphate Project. measured 1100000 tonnes; indicated 400000 tonnes; inferred 2400000 tonnes

Classification and evidence

NI 43-101 Compliantpositive

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

Why it applies: The PEA was prepared by WSP Canada Inc. in accordance with NI 43-101 standards.

Evidence · text

“prepared for the Company by WSP Canada Inc. (“WSP”) in accordance with National Instrument 43-101”

Inferred Resourcenegative

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

Why it applies: A significant portion (3 Mt) of the total resource is in the Inferred category.

Evidence · text

“plus 3 Mt Inferred Mineral 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: Jennifer Simper, P.Geo. is named as the Mineral Resource Qualified Person.

Evidence · text

“The Mineral Resource Qualified Person (“QP”), Jennifer Simper, P.Geo.”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Resource Estimates (6)

measuredphosphateTonnes: 1100000Grade: 17.7Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
measured
Tonnes
1100000
Grade
17.7
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Measured resource component of the breccia deposit.

Positive factors

  • High grade intercept

Evidence · text

“Measured Mineral Resources include 1.1 Mt of breccia at an in-situ grade of 17.7% P 2 O 5”
measuredphosphateTonnes: 500000Grade: 12.1Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
measured
Tonnes
500000
Grade
12.1
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Measured resource component of the conglomerate deposit.

Evidence · text

“0.5 Mt of conglomerate at an in-situ grade of 12.1% P 2 O 5”
indicatedphosphateTonnes: 400000Grade: 16.4Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
indicated
Tonnes
400000
Grade
16.4
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Indicated resource component of the breccia deposit.

Evidence · text

“Indicated Mineral Resources include 0.4 Mt of breccia at an in-situ grade of 16.4% P 2 O 5”
indicatedphosphateTonnes: 89000Grade: 11.6Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
indicated
Tonnes
89000
Grade
11.6
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Indicated resource component of the conglomerate deposit.

Evidence · text

“89,000 t of conglomerate at an in-situ grade of 11.6% P 2 O 5”
inferredphosphateTonnes: 2400000Grade: 15.4Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
inferred
Tonnes
2400000
Grade
15.4
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Inferred resource component of the breccia deposit.

Negative factors

  • Inferred category

Evidence · text

“Inferred Mineral Resources for the four deposits include 2.4 Mt of breccia at an in-situ grade of 15.4% P 2 O 5”
inferredphosphateTonnes: 600000Grade: 12Grade Unit: % P2O5View all details
Link to this fact

Identity

Commodity
phosphate
Ticker
IFOS

Resource Data

Category
inferred
Tonnes
600000
Grade
12
Grade Unit
% P2O5

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: Inferred resource component of the conglomerate deposit.

Negative factors

  • Inferred category

Evidence · text

“0.6 Mt of conglomerate at an in-situ grade of 12.0% P 2 O 5”

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.