# Bonterra Resources Releases Robust Preliminary Economic Assessment for the Barry Project, Highlighted by After-Tax NPV of C$665 Million and IRR of 54% at US$3,500/oz Long-Term Gold Price Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/bonterra-resources-releases-robust-preliminary-economic-assessment-for-the-barry--ff6f4f49-fe7e-42e7-a29f-5e7804b1758a Original source: https://www.juniorminingnetwork.com/junior-miner-news/press-releases/959-tsx-venture/btr/212832-bonterra-releases-robust-preliminary-economic-assessment-for-the-barry-project-highlighted-by-after-tax-npv-of-c-665-million-and-irr-of-54-at-us-3-500-oz-long-term-gold-price.html Publisher: jmn Original announcement: 2026-10-14T22:10:05.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-14T10:19:35.468Z Atlas analysis updated: 2026-10-14T10:19:35.468Z - Company: Bonterra Resources Inc. - Ticker: BTR - Exchange: TSXV - Region: Quebec - Primary commodity: Gold - Secondary commodities: None reported - Document categories: Other, Metallurgy - Extracted: 2026-10-14 10:19:36 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary Bonterra Resources has released a robust Preliminary Economic Assessment for its Barry Project in Quebec, highlighting an after-tax NPV of C$665 million and an IRR of 54% at a long-term gold price of US$3,500/oz. The study outlines a project with a modest initial capital cost of C$119 million, a 2.5-year payback period, and an average annual gold production of 87,097 ounces over a 7.2-year mine life. The PEA, prepared by BBA Consultants in accordance with NI 43-101, indicates strong economic viability and significant potential for future expansion. Reasoning: The Preliminary Economic Assessment for the Barry Project demonstrates robust economics with a high after-tax NPV of C$665 million and an IRR of 54%, driven by a short payback period and modest initial capital, indicating strong project viability. - Positive factor: High after-tax NPV and IRR - Positive factor: Short payback period - Positive factor: Modest initial capital - Positive factor: High gold recovery - Positive factor: Strong leverage to gold price - Positive factor: Existing infrastructure - Positive factor: Potential for resource conversion - Negative factor: PEA includes inferred resources - Negative factor: Reliance on toll-milling - Negative factor: Gold Fields has not endorsed the PEA Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 30 ## Classification and evidence **PEA-Supporting** Polarity: neutral Story-specific tag Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: The document is a Preliminary Economic Assessment. Evidence · text > independent preliminary economic assessment \("PEA"\) **QP/CP Signed** Polarity: positive Story-specific tag Definition: 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 PEA was prepared by named Qualified Persons as defined by NI 43-101. Evidence · text > The PEA was prepared by the following Qualified Persons as defined by NI 43-101: Gabriel Monty, P.Eng.; Vera Gella, P.Eng.; Benoit Ouellet, P.Eng. Hugo Latulippe, P.Eng, of BBA Consultants; and Antoine Yassa, P.Geo. OGQ of P&E Mining Consultants Inc. **NI 43-101 Compliant** Polarity: positive Story-specific tag Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The PEA was prepared in accordance with National Instrument 43-101. Evidence · text > in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects **High IRR** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The after-tax IRR of 53.5% is exceptionally strong. Evidence · table > 53.5 Context: After-tax IRR **Short Payback Period** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: The after-tax payback period of 2.5 years is very short. Evidence · table > 2.5 Context: After-tax Payback **Modest Initial Capex** Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Why it applies: Initial capital costs of C$119 million are modest for a project of this scale. Evidence · table > 119 Context: Total Initial Capital **High Recovery** Polarity: positive Story-specific tag Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: Overall gold recovery of 93.0% is excellent for a mill-based operation. Evidence · table > 93.0 Context: Overall Gold Recovery **Inferred Resource** Polarity: negative Story-specific tag Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The PEA mine plan incorporates inferred mineral resources, which are considered speculative. Evidence · text > The PEA mine plan and economic model include numerous assumptions and the use of Inferred resources. **Toll Milling** Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Why it applies: The PEA assumes a toll-milling operating model, which reduces CAPEX but introduces external dependency. Evidence · text > based on a toll-milling operating model **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: the document describes a heap\_leach route \("column leach"\) ## Extracted facts Stored fact records: 1. Some facts used in scoring do not have a stored record. ## Metallurgical Results (1) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/bonterra-resources-releases-robust-preliminary-economic-assessment-for-the-barry--ff6f4f49-fe7e-42e7-a29f-5e7804b1758a#fact-metallurgical-facts-9) Barry · gold #### Identity - Project: Barry - Commodity: gold - Region: canada\_qc - Reported Region: Quebec - Ticker: BTR #### Recovery - Recovery: 93 % #### Lab - Consultant: BBA Consultants #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-14T00:00:00.000Z Reasoning: An overall gold recovery of 93.0% is excellent for a mill-based operation, maximizing metal extraction. - Positive factor: High gold recovery Evidence · table > 93.0 Context: Overall Gold Recovery ## 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.