# Sendero Resources Rebuilds Pe&\#xF1;as Negras Drill Assay Database, Applying Consistent CuEq Methodology Across 77 Historical Holes Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af Original source: https://orestocks.com/company/SEND.V/press-releases/6793509331145378 Publisher: orestocks Original announcement: 2026-09-23T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-23T12:43:04.833Z Atlas analysis updated: 2026-09-23T12:43:04.833Z - Company: Sendero Resources Corp. - Ticker: SEND.V - Exchange: Unavailable - Region: La Rioja province, Argentina - Primary commodity: Copper - Secondary commodities: Gold, Silver, Molybdenum, Zinc, Lead - Document categories: Drill results - Extracted: 2026-09-23 12:43:05 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas summary Sendero Resources Corp. has completed a re-evaluation of historical drill data from its Peñas Negras copper-gold project in La Rioja, Argentina, applying a consistent CuEq methodology across 77 holes. This analysis highlights significant copper-equivalent intercepts, including 44 metres grading 1.23% CuEq within 236 metres of 0.57% CuEq in hole PNDH-06, reinforcing the project's potential. The company plans a fully funded drill program based on these results, which show mineralization extending from near surface to over 350 metres depth. Reasoning: Sendero Resources has re-evaluated historical drill data using a consistent CuEq methodology, revealing strong copper-equivalent intercepts that reinforce the project's potential and justify a planned drill program. While the data is historical, the re-analysis provides a clearer, project-wide view. - Positive factor: Consistent CuEq methodology applied across historical data - Positive factor: Strong historical intercepts, including bonanza grades - Positive factor: Mineralization begins near surface and extends to depth - Positive factor: QP review and approval of technical information - Positive factor: Fully funded drill program planned - Negative factor: Data is historical, not new drilling results - Negative factor: True width of intercepts not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grades for compositing are undisclosed Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 114 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 114. Some facts used in scoring do not have a stored record. ## Drill Results (114) ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-0) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.57 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A significant historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Strong copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.57 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-1) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.27 - Grade Unit: g/t - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.27 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-2) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 5.87 - Grade Unit: g/t - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 5.87 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-3) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.077 - Grade Unit: % - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 770 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-4) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00334 - Grade Unit: % - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 33.4 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-5) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.2036 - Grade Unit: % - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2036 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-6) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0806 - Grade Unit: % - Intercept: 236.1 m - From: 31.9 m - To: 268 m - Intercept Depth: 31.9 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:31.9-268 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 806 Context: 236.1 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-7) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 1.23 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 1.23 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-8) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.4 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-9) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 23.55 - Grade Unit: g/t - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade within a higher-grade sub-interval. - Positive factor: Moderate silver grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 23.55 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-10) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0927 - Grade Unit: % - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 927 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-11) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00401 - Grade Unit: % - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 40.1 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-12) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.5829 - Grade Unit: % - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical zinc grade within a higher-grade sub-interval. - Positive factor: Moderate zinc grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 5829 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-13) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.3567 - Grade Unit: % - Intercept: 44.2 m - From: 33.8 m - To: 78 m - Intercept Depth: 33.8 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:33.8-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical lead grade within a higher-grade sub-interval. - Positive factor: Moderate lead grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 3567 Context: 44.2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-14) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 1.53 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A very strong historical copper equivalent intercept, representing a high-grade zone within a broader mineralized interval. - Positive factor: Very strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 1.53 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-15) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a high-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.4 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-16) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 28.32 - Grade Unit: g/t - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade within a high-grade sub-interval. - Positive factor: Moderate silver grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 28.32 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-17) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1535 - Grade Unit: % - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a high-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1535 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-18) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00383 - Grade Unit: % - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a high-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 38.3 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-19) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.0679 - Grade Unit: % - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical zinc grade within a high-grade sub-interval. - Positive factor: Moderate zinc grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 10679 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-06 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-20) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-06 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.3813 - Grade Unit: % - Intercept: 24 m - From: 54 m - To: 78 m - Intercept Depth: 54 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-06:54-78 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical lead grade within a high-grade sub-interval. - Positive factor: Moderate lead grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 3813 Context: 24 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-21) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.49 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper equivalent intercept over a very long interval, indicating broad mineralization. - Positive factor: Moderate copper equivalent grade over a very significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.49 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-22) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.29 - Grade Unit: g/t - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.29 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-23) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.74 - Grade Unit: g/t - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.74 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-24) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1372 - Grade Unit: % - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1372 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-25) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00456 - Grade Unit: % - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 45.6 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-26) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0152 - Grade Unit: % - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 152 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-27) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0033 - Grade Unit: % - Intercept: 268 m - From: 84 m - To: 352 m - Intercept Depth: 84 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:84-352 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 33 Context: 268 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-28) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.66 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.66 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-29) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.37 - Grade Unit: g/t - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.37 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-30) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.12 - Grade Unit: g/t - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade within a higher-grade sub-interval. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1.12 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-31) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1834 - Grade Unit: % - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1834 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-32) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00702 - Grade Unit: % - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 70.2 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-33) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0284 - Grade Unit: % - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a higher-grade sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 284 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-03 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-34) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-03 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0055 - Grade Unit: % - Intercept: 62 m - From: 92 m - To: 154 m - Intercept Depth: 92 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-03:92-154 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a higher-grade sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 55 Context: 62 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-35) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper equivalent intercept over a very long interval, indicating broad mineralization. - Positive factor: Moderate copper equivalent grade over a very significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.48 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-36) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.22 - Grade Unit: g/t - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.22 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-37) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 2.22 - Grade Unit: g/t - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2.22 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-38) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1299 - Grade Unit: % - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1299 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-39) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0039 - Grade Unit: % - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 39 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-40) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1308 - Grade Unit: % - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1308 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-41) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0467 - Grade Unit: % - Intercept: 266 m - From: 96 m - To: 362 m - Intercept Depth: 96 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:96-362 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 467 Context: 266 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-42) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.61 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.61 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-43) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.3 - Grade Unit: g/t - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.3 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-44) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.73 - Grade Unit: g/t - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade within a higher-grade sub-interval. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1.73 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-45) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1905 - Grade Unit: % - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1905 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-46) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00428 - Grade Unit: % - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 42.8 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-47) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0775 - Grade Unit: % - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a higher-grade sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 775 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNDH-04 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-48) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNDH-04 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0308 - Grade Unit: % - Intercept: 52 m - From: 122 m - To: 174 m - Intercept Depth: 122 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNDH-04:122-174 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a higher-grade sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 308 Context: 52 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-49) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.56 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Strong copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.56 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-50) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.38 - Grade Unit: g/t - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.38 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-51) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.54 - Grade Unit: g/t - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1.54 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-52) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0757 - Grade Unit: % - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 757 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-53) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00233 - Grade Unit: % - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 23.3 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-54) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0699 - Grade Unit: % - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 699 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-55) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0195 - Grade Unit: % - Intercept: 208.4 m - From: 38.6 m - To: 247 m - Intercept Depth: 38.6 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:38.6-247 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 195 Context: 208.4 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-56) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 1 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 1 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-57) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.75 - Grade Unit: g/t - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.75 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-58) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.47 - Grade Unit: g/t - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade within a higher-grade sub-interval. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.47 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-59) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1405 - Grade Unit: % - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1405 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-60) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00342 - Grade Unit: % - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 34.2 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-61) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0461 - Grade Unit: % - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a higher-grade sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 461 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PND-02 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-62) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PND-02 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0079 - Grade Unit: % - Intercept: 43.6 m - From: 47.4 m - To: 91 m - Intercept Depth: 47.4 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PND-02:47.4-91 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a higher-grade sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 79 Context: 43.6 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-63) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.93 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Strong copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.93 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-64) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.78 - Grade Unit: g/t - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.78 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-65) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.84 - Grade Unit: g/t - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1.84 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-66) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0104 - Grade Unit: % - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Copper contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 104 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-67) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00026 - Grade Unit: % - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2.6 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-68) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0737 - Grade Unit: % - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 737 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-69) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0283 - Grade Unit: % - Intercept: 102 m - From: 56 m - To: 158 m - Intercept Depth: 56 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:56-158 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 283 Context: 102 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-70) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 1.95 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A very strong historical copper equivalent intercept, representing a high-grade zone within a broader mineralized interval. - Positive factor: Very strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 1.95 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-71) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 1.69 - Grade Unit: g/t - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical gold grade within a high-grade sub-interval. - Positive factor: Strong gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1.69 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-72) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 3.48 - Grade Unit: g/t - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade within a high-grade sub-interval. - Positive factor: Moderate silver grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 3.48 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-73) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0157 - Grade Unit: % - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical copper grade within a high-grade sub-interval. - Positive factor: Copper contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 157 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-74) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00024 - Grade Unit: % - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a high-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2.4 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-75) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0489 - Grade Unit: % - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a high-grade sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 489 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-76) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0189 - Grade Unit: % - Intercept: 32 m - From: 100 m - To: 132 m - Intercept Depth: 100 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:100-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a high-grade sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 189 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-77) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 23.15 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: An exceptionally high-grade historical copper equivalent intercept, representing a bonanza zone within a broader mineralized interval. - Positive factor: Bonanza copper equivalent grade - Positive factor: Very high-grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 23.15 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-78) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 20.58 - Grade Unit: g/t - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: An exceptionally high-grade historical gold grade within a bonanza sub-interval. - Positive factor: Bonanza gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 20.58 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-79) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 31.2 - Grade Unit: g/t - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical silver grade within a bonanza sub-interval. - Positive factor: Strong silver grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 31.2 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-80) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0118 - Grade Unit: % - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical copper grade within a bonanza sub-interval. - Positive factor: Copper contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 118 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-81) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0003 - Grade Unit: % - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a bonanza sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 3 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-82) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0582 - Grade Unit: % - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a bonanza sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 582 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-28 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-83) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-28 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0262 - Grade Unit: % - Intercept: 2 m - From: 130 m - To: 132 m - Intercept Depth: 130 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-28:130-132 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a bonanza sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 262 Context: 2 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-84) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.54 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Strong copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.54 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-85) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.33 - Grade Unit: g/t - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.33 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-86) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 2.02 - Grade Unit: g/t - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2.02 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-87) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0961 - Grade Unit: % - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 961 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-88) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00242 - Grade Unit: % - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 24.2 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-89) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0925 - Grade Unit: % - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 925 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-90) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0263 - Grade Unit: % - Intercept: 161 m - From: 59 m - To: 220 m - Intercept Depth: 59 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:59-220 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 263 Context: 161 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-91) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 1.26 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 1.26 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-92) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.66 - Grade Unit: g/t - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.66 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-93) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 10.91 - Grade Unit: g/t - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical silver grade within a higher-grade sub-interval. - Positive factor: Moderate silver grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 10.91 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-94) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1236 - Grade Unit: % - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1236 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-95) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00279 - Grade Unit: % - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 27.9 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-96) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.5232 - Grade Unit: % - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical zinc grade within a higher-grade sub-interval. - Positive factor: Moderate zinc grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 5232 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-30 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-97) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-30 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1618 - Grade Unit: % - Intercept: 18 m - From: 110 m - To: 128 m - Intercept Depth: 110 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-30:110-128 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical lead grade within a higher-grade sub-interval. - Positive factor: Moderate lead grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1618 Context: 18 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-98) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.46 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Moderate copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.46 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-99) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.27 - Grade Unit: g/t - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.27 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-100) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.8 - Grade Unit: g/t - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.8 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-101) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.1217 - Grade Unit: % - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 1217 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-102) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00387 - Grade Unit: % - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 38.7 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-103) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0155 - Grade Unit: % - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 155 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-104) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0039 - Grade Unit: % - Intercept: 188 m - From: 82 m - To: 270 m - Intercept Depth: 82 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:82-270 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 39 Context: 188 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-105) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.61 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A strong historical copper equivalent intercept, representing a higher-grade zone within a broader mineralized interval. - Positive factor: Strong copper equivalent grade over a good width - Positive factor: Higher grade sub-interval within a broader zone - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.61 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-106) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.33 - Grade Unit: g/t - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade within a higher-grade sub-interval. - Positive factor: Moderate gold grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.33 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-107) Peñas Negras · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: silver - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.88 - Grade Unit: g/t - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical silver grade within a higher-grade sub-interval. - Positive factor: Silver contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.88 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-108) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.2003 - Grade Unit: % - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper grade within a higher-grade sub-interval. - Positive factor: Moderate copper grade contributing to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 2003 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-109) Peñas Negras · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: molybdenum - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.00511 - Grade Unit: % - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical molybdenum grade within a higher-grade sub-interval. - Positive factor: Molybdenum contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 51.1 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-110) Peñas Negras · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: zinc - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0073 - Grade Unit: % - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical zinc grade within a higher-grade sub-interval. - Positive factor: Zinc contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 73 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-33 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-111) Peñas Negras · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-33 - Project: Peñas Negras - Commodity: lead - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.0028 - Grade Unit: % - Intercept: 32 m - From: 118 m - To: 150 m - Intercept Depth: 118 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-33:118-150 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A trace historical lead grade within a higher-grade sub-interval. - Positive factor: Lead contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 28 Context: 32 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-23 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-112) Peñas Negras · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-23 - Project: Peñas Negras - Commodity: copper - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Intercept: 196 m - From: 44 m - To: 240 m - Intercept Depth: 44 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-23:44-240 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 0.44 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical copper equivalent intercept from a re-evaluated database, indicating broad mineralization. - Positive factor: Moderate copper equivalent grade over a significant width - Positive factor: Part of a consistent re-evaluation of historical data - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: 100% recovery assumed for CuEq calculation - Negative factor: Cut-off grade undisclosed Evidence · table > 0.44 Context: 196 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### PNR-23 [Link to this fact](https://atlas-staging.minestarters.com/news/sendero-resources-rebuilds-pe-xf1-as-negras-drill-assay-database-applying-consis--8da69549-1bbe-41bc-8870-d382138482af#fact-drill-facts-113) Peñas Negras · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: PNR-23 - Project: Peñas Negras - Commodity: gold - Region: argentina - Reported Region: argentina - Ticker: SEND.V #### Geometry - Grade: 0.23 - Grade Unit: g/t - Intercept: 196 m - From: 44 m - To: 240 m - Intercept Depth: 44 m #### Classification - Deposit Type: porphyry - Program: exploration - Sample Type: drill - Group ID: PNR-23:44-240 - Mining Method: open\_pit #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2026-09-23T00:00:00.000Z #### Dates - Event date: 2026-09-23T00:00:00.000Z Reasoning: A moderate historical gold grade contributing to the overall polymetallic nature of the intercept. - Positive factor: Gold contribution to polymetallic mineralization - Negative factor: Data is historical - Negative factor: True width not stated - Negative factor: Cut-off grade undisclosed Evidence · table > 0.23 Context: 196 #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ## 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.