# Omai Gold Files NI 43-101 Technical Report Supporting a Preliminary Economic Assessment Indicating After-Tax NPV5% of $4.0 Billion at a $3,600/oz Gold Price for Its Omai Gold Project Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/omai-gold-files-ni-43-101-technical-report-supporting-a-preliminary-economic-ass--9a8fa5d7-69b7-4223-b98b-ad19124305bb Original source: https://omaigoldmines.com/site/assets/files/6239/2026-10-05_-_nr_omai_gold_files_technical_report_for_pea_final-1.pdf Publisher: prospectors\_exchange Original announcement: 2026-10-05T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-06T13:40:16.230Z Atlas analysis updated: 2026-10-06T13:40:16.230Z - Company: Omai Gold Mines Corp. - Ticker: OMG - Exchange: Unavailable - Region: Guyana - Primary commodity: Gold - Secondary commodities: None reported - Document categories: Other, Resource update - Extracted: 2026-10-06 13:40:16 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Omai Gold Mines Corp. has filed a NI 43-101 Technical Report supporting a Preliminary Economic Assessment \(PEA\) for its Omai Gold Project in Guyana. The PEA indicates an after-tax NPV5% of $4.0 billion and a life-of-mine gold production of 6.3 million ounces over 18 years. Reasoning: The filing of a NI 43-101 Technical Report supporting a high-value PEA for a large-scale gold project is a major de-risking and value-creation milestone. - Positive factor: High NPV of $4.0 billion at $3,600/oz gold - Positive factor: Strong IRR of 24% at base case - Positive factor: Significant LOM gold production of 6.3 million ounces - Positive factor: Large Indicated resource component \(2.5 Moz\) - Negative factor: PEA is preliminary and relies on Inferred resources - Negative factor: High initial capital requirement of $1.427 billion Facts used in scoring: 2 ## Classification and evidence **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: The technical report and resource estimate are explicitly stated to support the Preliminary Economic Assessment. Evidence · text > Technical Report... in support of the Preliminary Economic Assessment **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 filed in accordance with NI 43-101 standards. Evidence · text > National Instrument 43-101 Technical Report ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Resource Estimates (2) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/omai-gold-files-ni-43-101-technical-report-supporting-a-preliminary-economic-ass--9a8fa5d7-69b7-4223-b98b-ad19124305bb#fact-resource-facts-0) Omai Gold Project · gold #### Identity - Project: Omai Gold Project - Commodity: gold - Region: guyana - Reported Region: Guyana - Ticker: OMG #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: David M. Robson, Goran Andric, Jeff Sepp, Linda Dufour, Stephan Theben, Alan J. San Martin, Elaine Ellingham - Resource group id: resource:31c0a904c249e6d6d938 - Deposit or zone: Omai Gold Project - Mining method: combined - Ownership percent: 100 % - Resource basis: attributable #### Resource Data - Category: indicated - Tonnes: 38100000 - Grade: 2.04 - Grade Unit: g/t - Contained Metal: 2.5 - Contained Unit: moz #### Prior Estimate - Resource Date: 2026-04-14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Strong Indicated resource grade and tonnage supporting the PEA. - Positive factor: Solid Indicated resource base of 2.5 Moz Evidence · text > Indicated Mineral Resources to 2.5 Moz Au at 2.04 g/t Au \(38.1 Mt\) #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **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 **QP/CP Signed** Polarity: positive 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: qp\_signed is true **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 **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 **DFS-Supporting** Polarity: neutral Definition: 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 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/omai-gold-files-ni-43-101-technical-report-supporting-a-preliminary-economic-ass--9a8fa5d7-69b7-4223-b98b-ad19124305bb#fact-resource-facts-1) Omai Gold Project · gold #### Identity - Project: Omai Gold Project - Commodity: gold - Region: guyana - Reported Region: Guyana - Ticker: OMG #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: David M. Robson, Goran Andric, Jeff Sepp, Linda Dufour, Stephan Theben, Alan J. San Martin, Elaine Ellingham - Resource group id: resource:322ab28d654cc14cc357 - Deposit or zone: Omai Gold Project - Mining method: combined - Ownership percent: 100 % - Resource basis: attributable #### Resource Data - Category: inferred - Tonnes: 106600000 - Grade: 1.59 - Grade Unit: g/t - Contained Metal: 5.5 - Contained Unit: moz #### Prior Estimate - Resource Date: 2026-04-14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Large scale Inferred resource provides significant upside but carries higher geological risk. - Positive factor: Large Inferred resource scale \(5.5 Moz\) - Negative factor: Inferred category is speculative Evidence · text > Inferred to 5.5 Moz Au at 1.59 g/t Au \(106.6 Mt\) #### 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 **QP/CP Signed** Polarity: positive 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: qp\_signed is true **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 **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 **DFS-Supporting** Polarity: neutral Definition: 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.