# XXIX Metal Publishes Opemiska's Preliminary Economic Assessment Technical Report Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/xxix-metal-publishes-opemiska-s-preliminary-economic-assessment-technical-report--0b9c9ea6-b858-41c2-935a-7c9fbb363f6b Original source: https://money.tmx.com/en/quote/XXIX/news/8811758078166156/xxix-metal-publishes-opemiska-s-preliminary-economic-assessment-technical-report Publisher: tmx Original announcement: 2025-12-03T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: XXIX Metal Corp. - Ticker: XXIX - Exchange: TSX - Region: Quebec - Primary commodity: Copper - Secondary commodities: Gold, Silver - Document categories: Resource update, Economic study - Extracted: 2026-09-17 06:53:50 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary XXIX Metal Corp. has filed a NI 43-101 Preliminary Economic Assessment \(PEA\) for its 100%-owned Opemiska Project in Quebec. The base case economics include an after-tax NPV8% of C$505M, an IRR of 27.2%, and a 2.3-year payback, based on 44.3 Mt of inferred resources. Reasoning: The PEA presents robust economics for the Opemiska project, characterized by high IRR and low C1 costs, though the entire resource base is currently classified as Inferred. - Positive factor: Strong after-tax NPV8% of C$505M - Positive factor: High IRR of 27.2% - Positive factor: Rapid 2.3-year payback - Positive factor: Low-cost producer status \(Q1 of cost curve\) - Negative factor: Economics based entirely on Inferred resources - Negative factor: Results are a re-release of October 2025 announcement Facts used in scoring: 4 ## Classification and evidence **PEA Only** Polarity: neutral Definition: Only Class 4 / Initial Assessment economics available. Not bankable. Why it applies: The document reports a Preliminary Economic Assessment \(PEA\) technical report. Evidence · text > Preliminary Economic Assessment \("PEA"\) technical report **All Inferred** Polarity: negative Definition: M&I share below the weak bound — very early stage, no engineering confidence. Why it applies: The economic analysis is based on 44.3 Mt of inferred mineral resources with no indicated or measured resources mentioned. Evidence · text > The PEA incorporates 44.3 Mt of inferred mineral resources **Stale Data Re-release** Polarity: negative Story-specific tag Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: The PEA results were originally announced in an October 21, 2025 news release. Evidence · text > The PEA results were originally announced in the Company's October 21, 2025 , news release **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The report is a NI 43-101 Preliminary Economic Assessment Technical Report. Evidence · text > NI 43-101 Preliminary Economic Assessment \(PEA\) Technical Report ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Resource Estimates (3) ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/xxix-metal-publishes-opemiska-s-preliminary-economic-assessment-technical-report--0b9c9ea6-b858-41c2-935a-7c9fbb363f6b#fact-resource-facts-1) Opemiska · copper #### Identity - Project: Opemiska - Commodity: copper - Region: canada\_qc - Reported Region: Quebec - Ticker: XXIX #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - Resource group id: resource:5792b85b299bfa87b62e - Mining method: combined - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 44300000 - Grade: 0.32 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-03T00:00:00.000Z Reasoning: The resource base is entirely inferred, limiting economic confidence. - Negative factor: Entirely inferred Evidence · text > 44.3 Mt of inferred mineral resources \(0.32% Cu, 0.18 g/t Au, 0.77 g/t Ag\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/xxix-metal-publishes-opemiska-s-preliminary-economic-assessment-technical-report--0b9c9ea6-b858-41c2-935a-7c9fbb363f6b#fact-resource-facts-2) Opemiska · gold #### Identity - Project: Opemiska - Commodity: gold - Region: canada\_qc - Reported Region: Quebec - Ticker: XXIX #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - Resource group id: resource:5792b85b299bfa87b62e - Mining method: combined - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 44300000 - Grade: 0.18 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-03T00:00:00.000Z Reasoning: Byproduct gold grade in inferred resource. Evidence · text > 44.3 Mt of inferred mineral resources \(0.32% Cu, 0.18 g/t Au, 0.77 g/t Ag\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/xxix-metal-publishes-opemiska-s-preliminary-economic-assessment-technical-report--0b9c9ea6-b858-41c2-935a-7c9fbb363f6b#fact-resource-facts-3) Opemiska · silver #### Identity - Project: Opemiska - Commodity: silver - Region: canada\_qc - Reported Region: Quebec - Ticker: XXIX #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - Resource group id: resource:5792b85b299bfa87b62e - Mining method: combined - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 44300000 - Grade: 0.77 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-03T00:00:00.000Z Reasoning: Byproduct silver grade in inferred resource. Evidence · text > 44.3 Mt of inferred mineral resources \(0.32% Cu, 0.18 g/t Au, 0.77 g/t Ag\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. 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.