# OceanaGold Reports Exceptional High-Grade Drill Results at Wharekirauponga and Progress on Waihi North Project Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1 Original source: https://www.prnewswire.com/news-releases/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-progress-on-waihi-north-project-812702682.html Publisher: prnewswire Original announcement: 2026-09-24T11:16:56.558Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-24T11:23:39.484Z Atlas analysis updated: 2026-09-24T11:23:39.484Z - Company: OceanaGold Corporation - Ticker: OGC - Exchange: Unavailable - Region: New Zealand - Primary commodity: Gold - Secondary commodities: Silver - Document categories: Drill results, Resource update - Extracted: 2026-09-24 11:23:40 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary OceanaGold reports exceptional high-grade gold drill results from 16 new holes at its Wharekirauponga project in New Zealand, including intercepts such as 6.3 m at 97.2 g/t Au and 8.5 m at 41.5 g/t Au. These results confirm the continuity and up-dip extension of the high-grade EG Vein zone, supporting potential upgrades from Inferred to Indicated Mineral Resources and an increase in Mineral Reserves. The company also provided an update on the Waihi North Project, with a technical report planned for January 2027 to include updated resource estimates and a potential processing plant expansion. Reasoning: OceanaGold reported exceptional high-grade gold drill results with significant true widths, confirming continuity and extending mineralization at Wharekirauponga. These results are expected to lead to an upgrade of Inferred to Indicated Mineral Resources and an increase in Mineral Reserves, indicating strong future growth potential. The company also provided comprehensive QA/QC disclosure and QP sign-off, enhancing confidence in the results, despite a minor issue with core recovery in one hole. - Positive factor: Exceptional high-grade gold intercepts - Positive factor: Significant true widths reported - Positive factor: Confirmation of continuity and up-dip extension of high-grade zone - Positive factor: Strong potential for resource upgrade and reserve increase - Positive factor: Comprehensive QA/QC procedures disclosed - Positive factor: Qualified Persons have signed off on technical information - Positive factor: Mineralization remains open in multiple directions - Negative factor: Reduced core recovery in one drill hole \(WKP146D\) for a specific interval Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 74 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 74. Some facts used in scoring do not have a stored record. ## Drill Results (74) ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-0) Wharekirauponga · gold #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 13.5 - Grade Unit: g/t - Intercept: 7.3 m - True Width: 5.6 m - From: 440 m - To: 447.3 m - Intercept Depth: 440 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:440-447.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 13.5 g/t Au over 5.6 m true width is an exceptional grade for underground mining, contributing positively to resource conversion efforts. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Exceptional gold grade for underground mining - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 13.5 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Exceptional Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 13.5 g/t is exceptional for an underground mining scenario \(rubric: >=15 g/t exceptional, >=7 g/t strong\). Evidence · table > 13.5 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.6 m is explicitly stated for this intercept. Evidence · table > 5.6 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-1) Wharekirauponga · silver #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 12 - Grade Unit: g/t - Intercept: 7.3 m - True Width: 5.6 m - From: 440 m - To: 447.3 m - Intercept Depth: 440 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:440-447.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 12.0 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 12.0 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 12.0 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 12.0 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.6 m is explicitly stated for this intercept. Evidence · table > 5.6 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-2) Wharekirauponga · gold #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 15.5 - Grade Unit: g/t - Intercept: 6.3 m - True Width: 5.7 m - From: 475 m - To: 481.3 m - Intercept Depth: 475 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:475-481.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 15.5 g/t Au over 5.7 m true width is an exceptional grade for underground mining, contributing positively to resource conversion efforts. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Exceptional gold grade for underground mining - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 15.5 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 15.5 g/t is at the exceptional threshold for an underground mining scenario \(rubric: >=15 g/t exceptional\). Evidence · table > 15.5 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.7 m is explicitly stated for this intercept. Evidence · table > 5.7 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-3) Wharekirauponga · silver #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 12.6 - Grade Unit: g/t - Intercept: 6.3 m - True Width: 5.7 m - From: 475 m - To: 481.3 m - Intercept Depth: 475 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:475-481.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 12.6 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 12.6 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 12.6 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 12.6 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.7 m is explicitly stated for this intercept. Evidence · table > 5.7 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-4) Wharekirauponga · gold #### Identity - Hole ID: WKP146B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 25.9 - Grade Unit: g/t - Intercept: 6.5 m - True Width: 5.9 m - From: 485.6 m - To: 492.1 m - Intercept Depth: 485.6 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146B:485.6-492.1 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 25.9 g/t Au over 5.9 m true width is a bonanza grade for underground mining, significantly contributing to resource conversion efforts. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 25.9 Context: WKP146B #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 25.9 g/t is well above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 25.9 Context: WKP146B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.9 m is explicitly stated for this intercept. Evidence · table > 5.9 Context: WKP146B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146B ### WKP146B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-5) Wharekirauponga · silver #### Identity - Hole ID: WKP146B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 21.5 - Grade Unit: g/t - Intercept: 6.5 m - True Width: 5.9 m - From: 485.6 m - To: 492.1 m - Intercept Depth: 485.6 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146B:485.6-492.1 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 21.5 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 21.5 Context: WKP146B #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 21.5 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 21.5 Context: WKP146B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.9 m is explicitly stated for this intercept. Evidence · table > 5.9 Context: WKP146B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146B ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-6) Wharekirauponga · gold #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 97.2 - Grade Unit: g/t - Intercept: 7.3 m - True Width: 6.3 m - From: 481.5 m - To: 488.8 m - Intercept Depth: 481.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:481.5-488.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 97.2 g/t Au over 6.3 m true width is an outstanding bonanza grade for underground mining, yielding an exceptional grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Exceptional grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 97.2 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 97.2 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 97.2 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 6.3 m is explicitly stated for this intercept. Evidence · table > 6.3 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-7) Wharekirauponga · silver #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 81.2 - Grade Unit: g/t - Intercept: 7.3 m - True Width: 6.3 m - From: 481.5 m - To: 488.8 m - Intercept Depth: 481.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:481.5-488.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 81.2 g/t is moderate and contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 81.2 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Moderate Grade** — Rejected; excluded from scoring Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 81.2 g/t is moderate for silver \(rubric: >=100 g/t moderate, >=30 g/t weak\). Evidence · table > 81.2 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 6.3 m is explicitly stated for this intercept. Evidence · table > 6.3 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146D\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-8) Wharekirauponga · gold #### Identity - Hole ID: WKP146D\* - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.9 - Grade Unit: g/t - Intercept: 5.6 m - True Width: 4.3 m - From: 489.6 m - To: 495.2 m - Intercept Depth: 489.6 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D\*:489.6-495.2 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 5.9 g/t Au over 4.3 m true width is a strong grade for underground mining, but the reduced core recovery for this interval introduces uncertainty, leading to a lower confidence score. - Positive factor: Strong gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off - Negative factor: Reduced core recovery for this interval Evidence · table > 5.9 Context: WKP146D\* #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 5.9 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 5.9 Context: WKP146D\* **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.3 m is explicitly stated for this intercept. Evidence · table > 4.3 Context: WKP146D\* **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146D\* **Reduced Core Recovery** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: Drill hole WKP146D\* returned poor core recovery \(approximately 40%\) for this interval, with unrecovered core assigned zero grade. Evidence · text > Drilling of the WKP146D EG Vein intercept returned poor core recovery, with only approximately 40% of the interval recovered. Unrecovered core has been assigned a zero grade in calculating the reported composite, providing a conservative treatment of the missing interval. ### WKP146D\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-9) Wharekirauponga · silver #### Identity - Hole ID: WKP146D\* - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.4 - Grade Unit: g/t - Intercept: 5.6 m - True Width: 4.3 m - From: 489.6 m - To: 495.2 m - Intercept Depth: 489.6 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D\*:489.6-495.2 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 5.4 g/t is weak and contributes as a byproduct. The reduced core recovery for this interval introduces uncertainty, leading to a lower confidence score. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off - Negative factor: Reduced core recovery for this interval Evidence · table > 5.4 Context: WKP146D\* #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 5.4 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 5.4 Context: WKP146D\* **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.3 m is explicitly stated for this intercept. Evidence · table > 4.3 Context: WKP146D\* **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146D\* **Reduced Core Recovery** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: Drill hole WKP146D\* returned poor core recovery \(approximately 40%\) for this interval, with unrecovered core assigned zero grade. Evidence · text > Drilling of the WKP146D EG Vein intercept returned poor core recovery, with only approximately 40% of the interval recovered. Unrecovered core has been assigned a zero grade in calculating the reported composite, providing a conservative treatment of the missing interval. ### WKP147 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-10) Wharekirauponga · gold #### Identity - Hole ID: WKP147 - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 39.7 - Grade Unit: g/t - Intercept: 2.8 m - True Width: 1.8 m - From: 681.7 m - To: 684.5 m - Intercept Depth: 681.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP147:681.7-684.5 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 39.7 g/t Au over 1.8 m true width is a bonanza grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 39.7 Context: WKP147 #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 39.7 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 39.7 Context: WKP147 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.8 m is explicitly stated for this intercept. Evidence · table > 1.8 Context: WKP147 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP147 ### WKP147 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-11) Wharekirauponga · silver #### Identity - Hole ID: WKP147 - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 30.4 - Grade Unit: g/t - Intercept: 2.8 m - True Width: 1.8 m - From: 681.7 m - To: 684.5 m - Intercept Depth: 681.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP147:681.7-684.5 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 30.4 g/t is weak but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Weak silver grade - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 30.4 Context: WKP147 #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 30.4 g/t is at the weak threshold of 30 g/t for silver. Evidence · table > 30.4 Context: WKP147 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.8 m is explicitly stated for this intercept. Evidence · table > 1.8 Context: WKP147 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP147 ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-12) Wharekirauponga · gold #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 32.4 - Grade Unit: g/t - Intercept: 8.3 m - True Width: 4.2 m - From: 602.9 m - To: 611.2 m - Intercept Depth: 602.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP147A:602.9-611.2 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 32.4 g/t Au over 4.2 m true width is a bonanza grade for underground mining, yielding a strong grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Strong grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 32.4 Context: WKP147A #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 32.4 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 32.4 Context: WKP147A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.2 m is explicitly stated for this intercept. Evidence · table > 4.2 Context: WKP147A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP147A ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-13) Wharekirauponga · silver #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 18.8 - Grade Unit: g/t - Intercept: 8.3 m - True Width: 4.2 m - From: 602.9 m - To: 611.2 m - Intercept Depth: 602.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP147A:602.9-611.2 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 18.8 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 18.8 Context: WKP147A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 18.8 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 18.8 Context: WKP147A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.2 m is explicitly stated for this intercept. Evidence · table > 4.2 Context: WKP147A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP147A ### WKP148 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-14) Wharekirauponga · gold #### Identity - Hole ID: WKP148 - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 11.7 - Grade Unit: g/t - Intercept: 7 m - True Width: 5.7 m - From: 523.9 m - To: 530.9 m - Intercept Depth: 523.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148:523.9-530.9 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 11.7 g/t Au over 5.7 m true width is a strong grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 11.7 Context: WKP148 #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 11.7 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 11.7 Context: WKP148 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.7 m is explicitly stated for this intercept. Evidence · table > 5.7 Context: WKP148 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148 ### WKP148 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-15) Wharekirauponga · silver #### Identity - Hole ID: WKP148 - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 14.6 - Grade Unit: g/t - Intercept: 7 m - True Width: 5.7 m - From: 523.9 m - To: 530.9 m - Intercept Depth: 523.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148:523.9-530.9 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 14.6 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 14.6 Context: WKP148 #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 14.6 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 14.6 Context: WKP148 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.7 m is explicitly stated for this intercept. Evidence · table > 5.7 Context: WKP148 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148 ### WKP148A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-16) Wharekirauponga · gold #### Identity - Hole ID: WKP148A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 2.6 - Grade Unit: g/t - Intercept: 4.1 m - True Width: 3.1 m - From: 547.7 m - To: 551.8 m - Intercept Depth: 547.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148A:547.7-551.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 2.6 g/t Au over 3.1 m true width is a weak grade for underground mining, but contributes to resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Weak gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 2.6 Context: WKP148A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 2.6 g/t is weak for an underground mining scenario \(rubric: >=2.5 g/t weak\). Evidence · table > 2.6 Context: WKP148A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 3.1 m is explicitly stated for this intercept. Evidence · table > 3.1 Context: WKP148A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148A ### WKP148A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-17) Wharekirauponga · silver #### Identity - Hole ID: WKP148A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.2 - Grade Unit: g/t - Intercept: 4.1 m - True Width: 3.1 m - From: 547.7 m - To: 551.8 m - Intercept Depth: 547.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148A:547.7-551.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 5.2 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 5.2 Context: WKP148A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 5.2 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 5.2 Context: WKP148A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 3.1 m is explicitly stated for this intercept. Evidence · table > 3.1 Context: WKP148A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148A ### WKP148B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-18) Wharekirauponga · gold #### Identity - Hole ID: WKP148B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 3.7 - Grade Unit: g/t - Intercept: 17.2 m - True Width: 9.9 m - From: 571.5 m - To: 588.7 m - Intercept Depth: 571.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148B:571.5-588.7 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 3.7 g/t Au over 9.9 m true width is a moderate grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Moderate gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 3.7 Context: WKP148B #### Tags used in scoring **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 #### Rejected tags **Moderate Grade** — Rejected; excluded from scoring Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 3.7 g/t is moderate for an underground mining scenario \(rubric: >=4 g/t moderate, >=2.5 g/t weak\). Evidence · table > 3.7 Context: WKP148B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 9.9 m is explicitly stated for this intercept. Evidence · table > 9.9 Context: WKP148B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148B ### WKP148B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-19) Wharekirauponga · silver #### Identity - Hole ID: WKP148B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 8.6 - Grade Unit: g/t - Intercept: 17.2 m - True Width: 9.9 m - From: 571.5 m - To: 588.7 m - Intercept Depth: 571.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148B:571.5-588.7 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 8.6 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 8.6 Context: WKP148B #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 8.6 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 8.6 Context: WKP148B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 9.9 m is explicitly stated for this intercept. Evidence · table > 9.9 Context: WKP148B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148B ### WKP148C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-20) Wharekirauponga · gold #### Identity - Hole ID: WKP148C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 6 - Grade Unit: g/t - Intercept: 6.7 m - True Width: 5.5 m - From: 499.1 m - To: 505.8 m - Intercept Depth: 499.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148C:499.1-505.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 6.0 g/t Au over 5.5 m true width is a strong grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 6.0 Context: WKP148C #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 6.0 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 6.0 Context: WKP148C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.5 m is explicitly stated for this intercept. Evidence · table > 5.5 Context: WKP148C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148C ### WKP148C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-21) Wharekirauponga · silver #### Identity - Hole ID: WKP148C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 6.2 - Grade Unit: g/t - Intercept: 6.7 m - True Width: 5.5 m - From: 499.1 m - To: 505.8 m - Intercept Depth: 499.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148C:499.1-505.8 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 6.2 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 6.2 Context: WKP148C #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 6.2 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 6.2 Context: WKP148C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.5 m is explicitly stated for this intercept. Evidence · table > 5.5 Context: WKP148C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148C ### WKP148D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-22) Wharekirauponga · gold #### Identity - Hole ID: WKP148D - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.8 - Grade Unit: g/t - Intercept: 8.6 m - True Width: 7 m - From: 485 m - To: 493.6 m - Intercept Depth: 485 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148D:485-493.6 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 5.8 g/t Au over 7.0 m true width is a strong grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 5.8 Context: WKP148D #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 5.8 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 5.8 Context: WKP148D **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 7.0 m is explicitly stated for this intercept. Evidence · table > 7.0 Context: WKP148D **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148D ### WKP148D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-23) Wharekirauponga · silver #### Identity - Hole ID: WKP148D - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 7.7 - Grade Unit: g/t - Intercept: 8.6 m - True Width: 7 m - From: 485 m - To: 493.6 m - Intercept Depth: 485 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP148D:485-493.6 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 7.7 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 7.7 Context: WKP148D #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 7.7 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 7.7 Context: WKP148D **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 7.0 m is explicitly stated for this intercept. Evidence · table > 7.0 Context: WKP148D **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP148D ### WKP149A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-24) Wharekirauponga · gold #### Identity - Hole ID: WKP149A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 11.5 - Grade Unit: g/t - Intercept: 6.5 m - True Width: 5.9 m - From: 535.5 m - To: 542 m - Intercept Depth: 535.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP149A:535.5-542 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 11.5 g/t Au over 5.9 m true width is a strong grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 11.5 Context: WKP149A #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 11.5 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 11.5 Context: WKP149A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.9 m is explicitly stated for this intercept. Evidence · table > 5.9 Context: WKP149A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP149A ### WKP149A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-25) Wharekirauponga · silver #### Identity - Hole ID: WKP149A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 9.8 - Grade Unit: g/t - Intercept: 6.5 m - True Width: 5.9 m - From: 535.5 m - To: 542 m - Intercept Depth: 535.5 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP149A:535.5-542 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 9.8 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 9.8 Context: WKP149A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 9.8 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 9.8 Context: WKP149A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 5.9 m is explicitly stated for this intercept. Evidence · table > 5.9 Context: WKP149A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP149A ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-26) Wharekirauponga · gold #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 7.6 - Grade Unit: g/t - Intercept: 5.1 m - True Width: 4.8 m - From: 528.2 m - To: 533.3 m - Intercept Depth: 528.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP149B:528.2-533.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 7.6 g/t Au over 4.8 m true width is a strong grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 7.6 Context: WKP149B #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 7.6 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 7.6 Context: WKP149B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.8 m is explicitly stated for this intercept. Evidence · table > 4.8 Context: WKP149B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP149B ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-27) Wharekirauponga · silver #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 8.1 - Grade Unit: g/t - Intercept: 5.1 m - True Width: 4.8 m - From: 528.2 m - To: 533.3 m - Intercept Depth: 528.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP149B:528.2-533.3 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 8.1 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 8.1 Context: WKP149B #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 8.1 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 8.1 Context: WKP149B **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.8 m is explicitly stated for this intercept. Evidence · table > 4.8 Context: WKP149B **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP149B ### WKP150 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-28) Wharekirauponga · gold #### Identity - Hole ID: WKP150 - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 41.5 - Grade Unit: g/t - Intercept: 11.1 m - True Width: 8.5 m - From: 399 m - To: 410.1 m - Intercept Depth: 399 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP150:399-410.1 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 41.5 g/t Au over 8.5 m true width is an outstanding bonanza grade for underground mining, yielding an exceptional grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Exceptional grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 41.5 Context: WKP150 #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 41.5 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 41.5 Context: WKP150 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 8.5 m is explicitly stated for this intercept. Evidence · table > 8.5 Context: WKP150 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP150 ### WKP150 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-29) Wharekirauponga · silver #### Identity - Hole ID: WKP150 - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 37.1 - Grade Unit: g/t - Intercept: 11.1 m - True Width: 8.5 m - From: 399 m - To: 410.1 m - Intercept Depth: 399 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP150:399-410.1 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 37.1 g/t is weak but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Weak silver grade - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 37.1 Context: WKP150 #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 37.1 g/t is weak for silver \(rubric: >=30 g/t weak\). Evidence · table > 37.1 Context: WKP150 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 8.5 m is explicitly stated for this intercept. Evidence · table > 8.5 Context: WKP150 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP150 ### WKP151 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-30) Wharekirauponga · gold #### Identity - Hole ID: WKP151 - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 28 - Grade Unit: g/t - Intercept: 3.8 m - True Width: 3.3 m - From: 465.1 m - To: 468.9 m - Intercept Depth: 465.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP151:465.1-468.9 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 28.0 g/t Au over 3.3 m true width is a bonanza grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 28.0 Context: WKP151 #### Tags used in scoring **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 **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 28.0 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 28.0 Context: WKP151 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 3.3 m is explicitly stated for this intercept. Evidence · table > 3.3 Context: WKP151 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. ### WKP151 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-31) Wharekirauponga · silver #### Identity - Hole ID: WKP151 - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 20.2 - Grade Unit: g/t - Intercept: 3.8 m - True Width: 3.3 m - From: 465.1 m - To: 468.9 m - Intercept Depth: 465.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP151:465.1-468.9 - Mining Method: underground #### Location - Location: EG Vein - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 20.2 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 20.2 Context: WKP151 #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 20.2 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 20.2 Context: WKP151 **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 3.3 m is explicitly stated for this intercept. Evidence · table > 3.3 Context: WKP151 **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP151 ### WKP144C\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-32) Wharekirauponga · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: WKP144C\* - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 8 - Grade Unit: g/t - Intercept: 2.6 m - True Width: 2 m - From: 419 m - To: 421.6 m - Intercept Depth: 419 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP144C\*:419-421.6 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-04-01T00:00:00.000Z #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 8.0 g/t Au over 2.0 m true width is a strong grade for underground mining, but this is a re-release of historical data, reducing its novelty. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off - Negative factor: Stale data re-release Evidence · table > 8.0 Context: WKP144C\* #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 8.0 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 8.0 Context: WKP144C\* **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 2.0 m is explicitly stated for this intercept. Evidence · table > 2.0 Context: WKP144C\* **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP144C\* **Stale Data Re-release** — Rejected; excluded from scoring Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Reason: This intercept from WKP144C\* is explicitly stated as not a new drill hole and was included in a previous news release dated April 1, 2026. Evidence · text > WKP144C and WKP124O are not classified as new drill holes in this release. These holes were completed and partial results included in the April 1, 2026 news release update. ### WKP144C\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-33) Wharekirauponga · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: WKP144C\* - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 4 - Grade Unit: g/t - Intercept: 2.6 m - True Width: 2 m - From: 419 m - To: 421.6 m - Intercept Depth: 419 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP144C\*:419-421.6 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-04-01T00:00:00.000Z #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 4.0 g/t is weak and contributes as a byproduct, but this is a re-release of historical data, reducing its novelty. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off - Negative factor: Stale data re-release Evidence · table > 4.0 Context: WKP144C\* #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 4.0 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 4.0 Context: WKP144C\* **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 2.0 m is explicitly stated for this intercept. Evidence · table > 2.0 Context: WKP144C\* **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP144C\* **Stale Data Re-release** — Rejected; excluded from scoring Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Reason: This intercept from WKP144C\* is explicitly stated as not a new drill hole and was included in a previous news release dated April 1, 2026. Evidence · text > WKP144C and WKP124O are not classified as new drill holes in this release. These holes were completed and partial results included in the April 1, 2026 news release update. ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-34) Wharekirauponga · gold #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 29 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.6 m - From: 282 m - To: 282.8 m - Intercept Depth: 282 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:282-282.8 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 29.0 g/t Au over 0.6 m true width is a bonanza grade for underground mining. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 29.0 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 29.0 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 29.0 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.6 m is explicitly stated for this intercept. Evidence · table > 0.6 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-35) Wharekirauponga · silver #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 55 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.6 m - From: 282 m - To: 282.8 m - Intercept Depth: 282 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:282-282.8 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 55.0 g/t is moderate and contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Moderate silver grade - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 55.0 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Moderate Grade** — Rejected; excluded from scoring Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 55.0 g/t is moderate for silver \(rubric: >=100 g/t moderate, >=30 g/t weak\). Evidence · table > 55.0 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.6 m is explicitly stated for this intercept. Evidence · table > 0.6 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-36) Wharekirauponga · gold #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 51.5 - Grade Unit: g/t - Intercept: 0.6 m - True Width: 0.3 m - From: 294.4 m - To: 295 m - Intercept Depth: 294.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:294.4-295 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 51.5 g/t Au over 0.3 m true width is a bonanza grade for underground mining. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 51.5 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 51.5 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 51.5 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.3 m is explicitly stated for this intercept. Evidence · table > 0.3 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP145A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-37) Wharekirauponga · silver #### Identity - Hole ID: WKP145A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 37.5 - Grade Unit: g/t - Intercept: 0.6 m - True Width: 0.3 m - From: 294.4 m - To: 295 m - Intercept Depth: 294.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP145A:294.4-295 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 37.5 g/t is weak but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Weak silver grade - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 37.5 Context: WKP145A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 37.5 g/t is weak for silver \(rubric: >=30 g/t weak\). Evidence · table > 37.5 Context: WKP145A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.3 m is explicitly stated for this intercept. Evidence · table > 0.3 Context: WKP145A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP145A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-38) Wharekirauponga · gold #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 18.5 - Grade Unit: g/t - Intercept: 11.1 m - True Width: 9.6 m - From: 401 m - To: 412.1 m - Intercept Depth: 401 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:401-412.1 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 18.5 g/t Au over 9.6 m true width is a bonanza grade for underground mining, yielding a strong grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Strong grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 18.5 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 18.5 g/t is above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 18.5 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 9.6 m is explicitly stated for this intercept. Evidence · table > 9.6 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-39) Wharekirauponga · silver #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 12.8 - Grade Unit: g/t - Intercept: 11.1 m - True Width: 9.6 m - From: 401 m - To: 412.1 m - Intercept Depth: 401 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:401-412.1 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 12.8 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 12.8 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 12.8 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 12.8 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 9.6 m is explicitly stated for this intercept. Evidence · table > 9.6 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-40) Wharekirauponga · gold #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 8.2 - Grade Unit: g/t - Intercept: 2.7 m - True Width: 2.7 m - From: 417.2 m - To: 419.9 m - Intercept Depth: 417.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:417.2-419.9 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 8.2 g/t Au over 2.7 m true width is a strong grade for underground mining. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Strong gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 8.2 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Strong Grade** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The gold grade of 8.2 g/t is strong for an underground mining scenario \(rubric: >=7 g/t strong, >=4 g/t moderate\). Evidence · table > 8.2 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 2.7 m is explicitly stated for this intercept. Evidence · table > 2.7 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-41) Wharekirauponga · silver #### Identity - Hole ID: WKP146A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.8 - Grade Unit: g/t - Intercept: 2.7 m - True Width: 2.7 m - From: 417.2 m - To: 419.9 m - Intercept Depth: 417.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146A:417.2-419.9 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 5.8 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 5.8 Context: WKP146A #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 5.8 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 5.8 Context: WKP146A **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 2.7 m is explicitly stated for this intercept. Evidence · table > 2.7 Context: WKP146A **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146A ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-42) Wharekirauponga · gold #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 24 - Grade Unit: g/t - Intercept: 8.6 m - True Width: 6.6 m - From: 403.4 m - To: 412 m - Intercept Depth: 403.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:403.4-412 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 24.0 g/t Au over 6.6 m true width is a bonanza grade for underground mining, yielding a strong grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Strong grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 24.0 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 24.0 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 24.0 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 6.6 m is explicitly stated for this intercept. Evidence · table > 6.6 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-43) Wharekirauponga · silver #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 16.3 - Grade Unit: g/t - Intercept: 8.6 m - True Width: 6.6 m - From: 403.4 m - To: 412 m - Intercept Depth: 403.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:403.4-412 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 16.3 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 16.3 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 16.3 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 16.3 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 6.6 m is explicitly stated for this intercept. Evidence · table > 6.6 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-44) Wharekirauponga · gold #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 107.7 - Grade Unit: g/t - Intercept: 1.6 m - True Width: 1.2 m - From: 408.7 m - To: 410.3 m - Intercept Depth: 408.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:408.7-410.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 107.7 g/t Au over 1.2 m true width is an outstanding bonanza grade for underground mining, yielding a strong grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Strong grade-thickness product - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 107.7 Context: Incl. #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 107.7 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 107.7 Context: Incl. **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.2 m is explicitly stated for this intercept. Evidence · table > 1.2 Context: Incl. **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-45) Wharekirauponga · silver #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 71 - Grade Unit: g/t - Intercept: 1.6 m - True Width: 1.2 m - From: 408.7 m - To: 410.3 m - Intercept Depth: 408.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:408.7-410.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 71.0 g/t is moderate and contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Moderate silver grade - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 71.0 Context: Incl. #### Tags used in scoring **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 #### Rejected tags **Moderate Grade** — Rejected; excluded from scoring Polarity: neutral Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 71.0 g/t is moderate for silver \(rubric: >=100 g/t moderate, >=30 g/t weak\). Evidence · table > 71.0 Context: Incl. **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.2 m is explicitly stated for this intercept. Evidence · table > 1.2 Context: Incl. **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-46) Wharekirauponga · gold #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 39.5 - Grade Unit: g/t - Intercept: 2 m - True Width: 1.6 m - From: 416 m - To: 418 m - Intercept Depth: 416 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:416-418 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 39.5 g/t Au over 1.6 m true width is a bonanza grade for underground mining, yielding a moderate grade-thickness product. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Moderate grade-thickness product - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 39.5 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 39.5 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 39.5 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.6 m is explicitly stated for this intercept. Evidence · table > 1.6 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-47) Wharekirauponga · silver #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 27 - Grade Unit: g/t - Intercept: 2 m - True Width: 1.6 m - From: 416 m - To: 418 m - Intercept Depth: 416 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:416-418 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 27.0 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 27.0 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 27.0 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 27.0 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.6 m is explicitly stated for this intercept. Evidence · table > 1.6 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-48) Wharekirauponga · gold #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 21.1 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.7 m - From: 433.7 m - To: 434.5 m - Intercept Depth: 433.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:433.7-434.5 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 21.1 g/t Au over 0.7 m true width is a bonanza grade for underground mining. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 21.1 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 21.1 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 21.1 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.7 m is explicitly stated for this intercept. Evidence · table > 0.7 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146C [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-49) Wharekirauponga · silver #### Identity - Hole ID: WKP146C - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 14.5 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.7 m - From: 433.7 m - To: 434.5 m - Intercept Depth: 433.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146C:433.7-434.5 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 14.5 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 14.5 Context: WKP146C #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 14.5 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 14.5 Context: WKP146C **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 0.7 m is explicitly stated for this intercept. Evidence · table > 0.7 Context: WKP146C **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146C ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-50) Wharekirauponga · gold #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 27.1 - Grade Unit: g/t - Intercept: 5.1 m - True Width: 4.4 m - From: 417.2 m - To: 422.3 m - Intercept Depth: 417.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D:417.2-422.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 27.1 g/t Au over 4.4 m true width is a bonanza grade for underground mining, yielding a strong grade-thickness product. This is a highly material result for resource conversion. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: Strong grade-thickness product - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 27.1 Context: WKP146D #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 27.1 g/t is significantly above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 27.1 Context: WKP146D **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.4 m is explicitly stated for this intercept. Evidence · table > 4.4 Context: WKP146D **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146D ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-51) Wharekirauponga · silver #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 24.4 - Grade Unit: g/t - Intercept: 5.1 m - True Width: 4.4 m - From: 417.2 m - To: 422.3 m - Intercept Depth: 417.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D:417.2-422.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 24.4 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 24.4 Context: WKP146D #### Tags used in scoring **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 #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 24.4 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 24.4 Context: WKP146D **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 4.4 m is explicitly stated for this intercept. Evidence · table > 4.4 Context: WKP146D **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146D ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-52) Wharekirauponga · gold #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 19.5 - Grade Unit: g/t - Intercept: 1.3 m - True Width: 1.2 m - From: 432 m - To: 433.3 m - Intercept Depth: 432 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D:432-433.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The intercept of 19.5 g/t Au over 1.2 m true width is a bonanza grade for underground mining. True width disclosure and robust QA/QC enhance confidence. - Positive factor: Bonanza gold grade for underground mining - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 19.5 Context: WKP146D #### Tags used in scoring **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 #### Rejected tags **Bonanza Intercept** — Rejected; excluded from scoring Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Reason: The gold grade of 19.5 g/t is above the exceptional threshold of 15 g/t for an underground mining scenario. Evidence · table > 19.5 Context: WKP146D **True Width Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Reason: The true width of 1.2 m is explicitly stated for this intercept. Evidence · table > 1.2 Context: WKP146D **QA/QC Disclosed** — Rejected; excluded from scoring Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Reason: The release includes a detailed QA/QC section mentioning certified labs, CRMs, blanks, and duplicates. Evidence · text > Quality Assurance and Quality Control \("QA/QC"\) All exploration samples are assayed for gold by 30g fire assay with Atomic Absorption Spectrometry \("AAS"\) finish. **QP/CP Signed** — Rejected; excluded from scoring 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. Reason: Qualified Persons Mr. Euan Leslie and Mr. Leroy Crawford-Flett have reviewed and approved the scientific and technical information. Evidence · text > The scientific and technical information in this news release relating to Mineral Reserves, mine planning, mine scheduling and mine development for the Waihi District...has been reviewed and approved by Mr. Euan Leslie, Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, Group Mining Engineer for OceanaGold and an employee of the Company, a qualified person as defined by NI 43-101. **Infill Drilling** — Rejected; excluded from scoring Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Reason: The activity for this drill hole is explicitly stated as 'Conversion', which is a form of infill drilling aimed at upgrading resource categories. Evidence · table > Conversion Context: WKP146D ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-53) Wharekirauponga · silver #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5.1 - Grade Unit: g/t - Intercept: 1.3 m - True Width: 1.2 m - From: 432 m - To: 433.3 m - Intercept Depth: 432 m #### Classification - Program: resource - Sample Type: drill - Group ID: WKP146D:432-433.3 - Mining Method: underground #### Location - Location: EG HW Veins - Loc. Source: document #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: The silver grade of 5.1 g/t is weak, but contributes as a byproduct. True width disclosure and robust QA/QC enhance confidence. - Positive factor: True width disclosed - Positive factor: QA/QC procedures disclosed - Positive factor: QP sign-off Evidence · table > 5.1 Context: WKP146D #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.2 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" #### Rejected tags **Weak Grade** — Rejected; excluded from scoring Polarity: negative Story-specific tag Definition: No canonical definition is currently available. Reason: The silver grade of 5.1 g/t is below the weak threshold of 30 g/t for silver. Evidence · table > 5.1 Context: WKP146D ### Incl. [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-54) Wharekirauponga · gold #### Identity - Hole ID: Incl. - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 107.7 - Grade Unit: g/t - Intercept: 1.6 m - True Width: 1.2 m - From: 408.7 m - To: 410.3 m - Intercept Depth: 408.7 m #### Classification - Sample Type: drill - Group ID: Incl.:408.7-410.3 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 107.7 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 172.3 g/t·m is strong \(grade alone is exceptional; the better of the two is used\). - Positive factor: 107.7 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 107.7 Context: Incl. #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.2 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### Incl. [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-55) Wharekirauponga · silver #### Identity - Hole ID: Incl. - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 71 - Grade Unit: g/t - Intercept: 1.6 m - True Width: 1.2 m - From: 408.7 m - To: 410.3 m - Intercept Depth: 408.7 m #### Classification - Sample Type: drill - Group ID: Incl.:408.7-410.3 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 71 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 113.6 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 71.0 Context: Incl. #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.2 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-56) Wharekirauponga · gold #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 20.1 - Grade Unit: g/t - Intercept: 1.5 m - True Width: 1.5 m - From: 441 m - To: 442.5 m - Intercept Depth: 441 m #### Classification - Sample Type: drill - Group ID: WKP146D:441-442.5 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 20.1 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 30.2 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 20.1 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 20.1 Context: WKP146D #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.5 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP146D [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-57) Wharekirauponga · silver #### Identity - Hole ID: WKP146D - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 15.1 - Grade Unit: g/t - Intercept: 1.5 m - True Width: 1.5 m - From: 441 m - To: 442.5 m - Intercept Depth: 441 m #### Classification - Sample Type: drill - Group ID: WKP146D:441-442.5 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 15.1 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 22.6 g/t·m is below. - Negative factor: 15.1 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 15.1 Context: WKP146D #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.5 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-58) Wharekirauponga · gold #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 47 - Grade Unit: g/t - Intercept: 1.2 m - True Width: 0.3 m - From: 378.8 m - To: 380 m - Intercept Depth: 378.8 m #### Classification - Sample Type: drill - Group ID: WKP147A:378.8-380 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 47 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 56.4 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 47 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 47.0 Context: WKP147A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.3 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-59) Wharekirauponga · silver #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 46.4 - Grade Unit: g/t - Intercept: 1.2 m - True Width: 0.3 m - From: 378.8 m - To: 380 m - Intercept Depth: 378.8 m #### Classification - Sample Type: drill - Group ID: WKP147A:378.8-380 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 46.4 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 55.7 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 46.4 Context: WKP147A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.3 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP148 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-60) Wharekirauponga · gold #### Identity - Hole ID: WKP148 - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 21.5 - Grade Unit: g/t - Intercept: 2.6 m - True Width: 0.9 m - From: 228.9 m - To: 231.5 m - Intercept Depth: 228.9 m #### Classification - Sample Type: drill - Group ID: WKP148:228.9-231.5 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 21.5 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 55.9 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 21.5 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 21.5 Context: WKP148 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.9 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP148 [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-61) Wharekirauponga · silver #### Identity - Hole ID: WKP148 - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 25.2 - Grade Unit: g/t - Intercept: 2.6 m - True Width: 0.9 m - From: 228.9 m - To: 231.5 m - Intercept Depth: 228.9 m #### Classification - Sample Type: drill - Group ID: WKP148:228.9-231.5 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 25.2 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 65.5 g/t·m is below. - Negative factor: 25.2 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 25.2 Context: WKP148 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.9 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-62) Wharekirauponga · gold #### Identity - Hole ID: WKP149A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 20.3 - Grade Unit: g/t - Intercept: 3.8 m - True Width: 3.1 m - From: 472.1 m - To: 475.9 m - Intercept Depth: 472.1 m #### Classification - Sample Type: drill - Group ID: WKP149A:472.1-475.9 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 20.3 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 77.1 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 20.3 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 20.3 Context: WKP149A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-63) Wharekirauponga · silver #### Identity - Hole ID: WKP149A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 20.6 - Grade Unit: g/t - Intercept: 3.8 m - True Width: 3.1 m - From: 472.1 m - To: 475.9 m - Intercept Depth: 472.1 m #### Classification - Sample Type: drill - Group ID: WKP149A:472.1-475.9 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 20.6 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 78.3 g/t·m is below. - Negative factor: 20.6 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 20.6 Context: WKP149A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-64) Wharekirauponga · gold #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 30.4 - Grade Unit: g/t - Intercept: 4 m - True Width: 3.1 m - From: 458.3 m - To: 462.3 m - Intercept Depth: 458.3 m #### Classification - Sample Type: drill - Group ID: WKP149B:458.3-462.3 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 30.4 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 121.6 g/t·m is strong \(grade alone is exceptional; the better of the two is used\). - Positive factor: 30.4 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 30.4 Context: WKP149B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-65) Wharekirauponga · silver #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 17.9 - Grade Unit: g/t - Intercept: 4 m - True Width: 3.1 m - From: 458.3 m - To: 462.3 m - Intercept Depth: 458.3 m #### Classification - Sample Type: drill - Group ID: WKP149B:458.3-462.3 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 17.9 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 71.6 g/t·m is below. - Negative factor: 17.9 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 17.9 Context: WKP149B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-66) Wharekirauponga · gold #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 10.6 - Grade Unit: g/t - Intercept: 1.4 m - True Width: 1.1 m - From: 466 m - To: 467.4 m - Intercept Depth: 466 m #### Classification - Sample Type: drill - Group ID: WKP149B:466-467.4 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 10.6 g/t gold is strong against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 14.8 g/t·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 10.6 g/t gold is strong on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 10.6 Context: WKP149B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP149B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-67) Wharekirauponga · silver #### Identity - Hole ID: WKP149B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 5 - Grade Unit: g/t - Intercept: 1.4 m - True Width: 1.1 m - From: 466 m - To: 467.4 m - Intercept Depth: 466 m #### Classification - Sample Type: drill - Group ID: WKP149B:466-467.4 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 5 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 7.0 g/t·m is below. - Negative factor: 5 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 5.0 Context: WKP149B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.1 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP124O\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-68) Wharekirauponga · gold #### Identity - Hole ID: WKP124O\* - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 45.9 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.5 m - From: 650.8 m - To: 651.6 m - Intercept Depth: 650.8 m #### Classification - Sample Type: drill - Group ID: WKP124O\*:650.8-651.6 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 45.9 g/t gold is exceptional against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 36.7 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 45.9 g/t gold is exceptional on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 45.9 Context: WKP124O\* #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.5 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP124O\* [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-69) Wharekirauponga · silver #### Identity - Hole ID: WKP124O\* - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 23.1 - Grade Unit: g/t - Intercept: 0.8 m - True Width: 0.5 m - From: 650.8 m - To: 651.6 m - Intercept Depth: 650.8 m #### Classification - Sample Type: drill - Group ID: WKP124O\*:650.8-651.6 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 23.1 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 18.5 g/t·m is below. - Negative factor: 23.1 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 23.1 Context: WKP124O\* #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.5 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-70) Wharekirauponga · gold #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 10.8 - Grade Unit: g/t - Intercept: 2.9 m - True Width: 1.9 m - From: 661.5 m - To: 664.4 m - Intercept Depth: 661.5 m #### Classification - Sample Type: drill - Group ID: WKP147A:661.5-664.4 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 10.8 g/t gold is strong against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 31.3 g/t·m is moderate \(grade alone is strong; the better of the two is used\). - Positive factor: 10.8 g/t gold is strong on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 10.8 Context: WKP147A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.9 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP147A [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-71) Wharekirauponga · silver #### Identity - Hole ID: WKP147A - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 9.2 - Grade Unit: g/t - Intercept: 2.9 m - True Width: 1.9 m - From: 661.5 m - To: 664.4 m - Intercept Depth: 661.5 m #### Classification - Sample Type: drill - Group ID: WKP147A:661.5-664.4 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 9.2 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 26.7 g/t·m is below. - Negative factor: 9.2 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 9.2 Context: WKP147A #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 1.9 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP148B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-72) Wharekirauponga · gold #### Identity - Hole ID: WKP148B - Project: Wharekirauponga - Commodity: gold - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 12.9 - Grade Unit: g/t - Intercept: 2.2 m - True Width: 0.8 m - From: 600.4 m - To: 602.6 m - Intercept Depth: 600.4 m #### Classification - Sample Type: drill - Group ID: WKP148B:600.4-602.6 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 12.9 g/t gold is strong against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 28.4 g/t·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 12.9 g/t gold is strong on the underground mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 12.9 Context: WKP148B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.8 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ### WKP148B [Link to this fact](https://atlas-staging.minestarters.com/news/oceanagold-reports-exceptional-high-grade-drill-results-at-wharekirauponga-and-p--c313e8da-6794-4b26-92c6-9619f7f2a0d1#fact-drill-facts-73) Wharekirauponga · silver #### Identity - Hole ID: WKP148B - Project: Wharekirauponga - Commodity: silver - Region: new zealand - Reported Region: new zealand - Ticker: OGC #### Geometry - Grade: 12.2 - Grade Unit: g/t - Intercept: 2.2 m - True Width: 0.8 m - From: 600.4 m - To: 602.6 m - Intercept Depth: 600.4 m #### Classification - Sample Type: drill - Group ID: WKP148B:600.4-602.6 - Mining Method: underground #### QA/QC - Laboratory: SGS Waihi NZ Ltd and ALS laboratory in Brisbane - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-24T00:00:00.000Z Reasoning: Expanded from assay table. 12.2 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 26.8 g/t·m is below. - Negative factor: 12.2 g/t silver is below the weak threshold \(30 g/t\) on the default band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 12.2 Context: WKP148B #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.8 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **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 ## 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.