RPX Gold Files NI 43-101 Technical Report for Robust Wawa Gold Project PEA Highlighting C$523M NPV "After-tax" and <1 Year Payback

Original announcement by tmx on

Company
RPX Gold Inc.
Ticker
RPX
Exchange
TSX
Region
northwestern Ontario
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Economic study, Resource update
Extracted
2026-09-18 18:49:23 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

RPX Gold has filed a NI 43-101 technical report supporting a Preliminary Economic Assessment (PEA) for the Wawa Gold Project in Ontario. The PEA highlights an after-tax NPV of C$523M and an IRR of 99.7% based on a gold price of US$3,500/oz, with a very rapid payback of less than one year.

Reasoning: The filing of the NI 43-101 technical report formalizes a highly robust PEA with exceptional economics, though the novelty is tempered by the fact that these results were previously announced.

Positive factors

  • High IRR of 99.7% in base case
  • Very short payback period of <1 year
  • Strong NPV of C$523M
  • Low initial capital requirement of C$51M

Negative factors

  • PEA stage implies high uncertainty and reliance on Inferred resources
  • Results are a re-release of previously announced PEA data (Feb 18, 2026)

Facts used in scoring: 5

Classification and evidence

PEA Onlyneutral

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

Why it applies: The document describes a Preliminary Economic Assessment (PEA) which is a conceptual study.

Evidence · text

“supporting the Preliminary Economic Assessment (“ PEA ”)”

High IRRpositive

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

Why it applies: The base case IRR of 99.7% is well above the strong tier.

Evidence · text

“after-tax IRR of 99.7%”

Fast Paybackpositive

Payback in the strong tier or better, on the required basis.

Why it applies: Payback period is less than 1 year, which is in the exceptional tier.

Evidence · text

“Payback Period: <1 year”

Inferred Resourcenegative

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

Why it applies: The project contains a significant portion of inferred mineral resources.

Evidence · text

“includes inferred mineral resources that are considered too speculative geologically”

NI 43-101 Compliantpositive

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

Why it applies: The technical report was filed in accordance with NI 43-101 standards.

Evidence · text

“filed a National Instrument 43-101 (“ NI 43-101 ”) Technical Report”

Resource Updateneutral

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

Why it applies: The source explicitly discloses a revised resource estimate

Evidence · text

“Updated Mineral Resource Estimate”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

indicatedWawa Gold Project · goldTonnes: 22909000Grade: 1.69Grade Unit: g/tContained Metal: 1244000Contained Unit: ozView all details
Link to this fact

Identity

Project
Wawa Gold Project
Commodity
gold
Region
canada_on
Reported Region
northwestern Ontario
Ticker
RPX

Resource scope

Estimate type
resource
Effective date
2026-02-18T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Syed Saad Mohsin Ali, Alex Duggan, Steve Haggerty, Nigel Fung, André-François Gravel, Jean-François Montreuil, Brian Thomas, Garth Wilcox
Resource group id
resource:e0e452258648fe858b06
Deposit or zone
Jubilee Shear and the Minto Mine
Mining method
combined
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
22909000
Grade
1.69
Grade Unit
g/t
Contained Metal
1244000
Contained Unit
oz

Prior Estimate

Resource Date
2026-02-18

Location

Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-18T00:00:00.000Z

Reasoning: Indicated resource is substantial.

Evidence · text

“indicated mineral resource of 22.909 million (“M”) tonnes grading 1.69 grams per tonne gold (“g/t Au”) containing 1,244,000 ounces of gold”

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

inferredWawa Gold Project · goldTonnes: 9951000Grade: 1.59Grade Unit: g/tContained Metal: 509000Contained Unit: ozView all details
Link to this fact

Identity

Project
Wawa Gold Project
Commodity
gold
Region
canada_on
Reported Region
northwestern Ontario
Ticker
RPX

Resource scope

Estimate type
resource
Effective date
2026-02-18T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Syed Saad Mohsin Ali, Alex Duggan, Steve Haggerty, Nigel Fung, André-François Gravel, Jean-François Montreuil, Brian Thomas, Garth Wilcox
Resource group id
resource:3f44c165a831b44c5f5a
Deposit or zone
Jubilee Shear and the Minto Mine
Mining method
combined
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
9951000
Grade
1.59
Grade Unit
g/t
Contained Metal
509000
Contained Unit
oz

Prior Estimate

Resource Date
2026-02-18

Location

Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-18T00:00:00.000Z

Reasoning: Inferred resource provides significant upside but is speculative.

Evidence · text

“inferred mineral resource of 9.951 M tonnes grading 1.59 g/t Au containing 509,000 ounces of gold”

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

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.