# BKB: Annual Report to shareholders Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01 Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03146629 Publisher: asx Original announcement: 2026-09-30T07:53:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-30T08:18:15.654Z Atlas analysis updated: 2026-09-30T08:18:15.654Z - Company: Black Bear Minerals Limited - Ticker: BKB - Exchange: ASX - Region: Unavailable - Primary commodity: Silver - Secondary commodities: Gold, Zinc, Lead, Lithium - Document categories: Drill results, Resource update, Metallurgy - Extracted: 2026-09-30 08:18:16 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas summary Black Bear Minerals Limited's annual report details significant advancements across its projects. The Shafter Silver Project delivered high-grade polymetallic drill intercepts and a successful re-assay program that upgraded historic results, alongside progress towards an operational restart. The Independence Gold Project saw an updated JORC-compliant resource with substantial growth in gold equivalent ounces and positive metallurgical testwork results. The company also completed a capital raise to fund these activities and acquisitions. Reasoning: The annual report highlights significant progress across key projects, including strong drill results, an updated and expanded JORC resource, and positive metallurgical testwork. The advancement of the Shafter Silver Project towards a restart is a major positive, despite the foreign nature of its current resource estimate. The re-assay program at Shafter also suggests upside potential from historic data. While some aspects are still preliminary or require further work, the overall picture is one of substantial de-risking and growth. - Positive factor: Significant drill intercepts with high silver, gold, zinc, and lead grades at Shafter Silver Project, including bonanza grades in sub-intervals. - Positive factor: Successful re-assay program at Shafter confirming and upgrading historic grades, indicating potential under-representation of mineralization in older data. - Positive factor: Updated JORC-compliant mineral resource estimate for Independence Gold Project showing substantial growth in epithermal gold equivalent ounces and a high-grade skarn resource. - Positive factor: Positive metallurgical testwork results for Independence Gold Project, demonstrating high gold recoveries and amenability to conventional processing with low reagent consumption. - Positive factor: Shafter Silver Project advancing towards restart with substantial existing infrastructure and ongoing studies with Ausenco, supported by a non-binding Letter of Support from Export Finance Australia. - Negative factor: Shafter Silver Project's primary resource estimate is a foreign estimate \(NI 43-101\) and not yet JORC compliant, requiring further verification. - Negative factor: Some drill intercepts at Shafter are reported as 'NSR' \(no significant result\) for certain metals, indicating variability. - Negative factor: Metallurgical testwork for Independence Gold Project is still preliminary, with only one composite fully tested and further work needed for transitional and sulphide epithermal material. - Negative factor: Quebec Lithium Assets had no substantive exploration, mining, or development activities during the period. Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 126 ## Classification and evidence **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: the document describes a heap\_leach route \("heap leach"\) **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a mill\_cil route \("CIL"\) **Gravity Route** Polarity: neutral Definition: Gravity separation forms a material part of the flowsheet. Why it applies: the document describes a gravity route \("gravity"\) ## Extracted facts Stored fact records: 126. Some facts used in scoring do not have a stored record. ## Drill Results (122) ### SFD001 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-4) Shafter · zinc #### Identity - Hole ID: SFD001 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.15 - Grade Unit: % - Intercept: 5.4 m - From: 163.8 m - To: 169.2 m - Hole Depth: 186.9 m - Intercept Depth: 163.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD001:163.8-169.2 #### Location - Easting: 565263 - Northing: 3298538 - CRS: NAD83 UTM Zone 13N - Elevation: 1242 m - Azimuth: 150 ° - Dip: -72 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization, but not a significant intercept. - Negative factor: Low zinc grade \(0.15%\) is weak for a base metal deposit. Evidence · table > 0.15 Context: 5.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-5) Shafter · silver #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 240 - Grade Unit: g/t - Intercept: 9.1 m - From: 214.3 m - To: 223.4 m - Hole Depth: 261.2 m - Intercept Depth: 214.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:214.3-223.4 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: This intercept represents a significant extension of high-grade silver mineralization, indicating strong exploration success. - Positive factor: High silver grade \(240 g/t\) over a significant width \(9.1m\) is a strong intercept. - Positive factor: Successfully intercepted thick, high-grade mineralisation, extending outside the foreign mineral resource. Evidence · table > 240 Context: 9.1 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-6) Shafter · gold #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 9.1 m - From: 214.3 m - To: 223.4 m - Hole Depth: 261.2 m - Intercept Depth: 214.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:214.3-223.4 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: While part of a polymetallic intercept, the gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 9.1 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-7) Shafter · lead #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.11 - Grade Unit: % - Intercept: 9.1 m - From: 214.3 m - To: 223.4 m - Hole Depth: 261.2 m - Intercept Depth: 214.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:214.3-223.4 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is a positive contribution to the overall polymetallic intercept, but not exceptional on its own. - Positive factor: Moderate lead grade \(1.11%\) contributes to the polymetallic nature of the intercept. Evidence · table > 1.11 Context: 9.1 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-8) Shafter · zinc #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.83 - Grade Unit: % - Intercept: 9.1 m - From: 214.3 m - To: 223.4 m - Hole Depth: 261.2 m - Intercept Depth: 214.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:214.3-223.4 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is a positive contribution to the overall polymetallic intercept, but not exceptional on its own. - Positive factor: Moderate zinc grade \(1.83%\) contributes to the polymetallic nature of the intercept. Evidence · table > 1.83 Context: 9.1 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-9) Shafter · silver #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 501 - Grade Unit: g/t - Intercept: 1.5 m - From: 221.3 m - To: 222.8 m - Hole Depth: 261.2 m - Intercept Depth: 221.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:221.3-222.8 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 501 g/t within a broader intercept is a highly positive result, indicating very high-grade mineralization. - Positive factor: Exceptional silver grade \(501 g/t\) over a good width \(1.5m\) is a bonanza intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept. Evidence · table > 501 Context: 1.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-10) Shafter · gold #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: g/t - Intercept: 1.5 m - From: 221.3 m - To: 222.8 m - Hole Depth: 261.2 m - Intercept Depth: 221.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:221.3-222.8 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.2 g/t\) is weak for a gold deposit. Evidence · table > 0.2 Context: 1.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-11) Shafter · lead #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 2.02 - Grade Unit: % - Intercept: 1.5 m - From: 221.3 m - To: 222.8 m - Hole Depth: 261.2 m - Intercept Depth: 221.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:221.3-222.8 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is a strong component of this high-grade polymetallic sub-interval. - Positive factor: Strong lead grade \(2.02%\) contributes positively to the polymetallic nature of the intercept. Evidence · table > 2.02 Context: 1.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD002 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-12) Shafter · zinc #### Identity - Hole ID: SFD002 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 4.33 - Grade Unit: % - Intercept: 1.5 m - From: 221.3 m - To: 222.8 m - Hole Depth: 261.2 m - Intercept Depth: 221.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD002:221.3-222.8 #### Location - Easting: 565822 - Northing: 3298485 - CRS: NAD83 UTM Zone 13N - Elevation: 1208 m - Azimuth: 21 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is a strong component of this high-grade polymetallic sub-interval. - Positive factor: Strong zinc grade \(4.33%\) contributes positively to the polymetallic nature of the intercept. Evidence · table > 4.33 Context: 1.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD003 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-13) Shafter · zinc #### Identity - Hole ID: SFD003 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.23 - Grade Unit: % - Intercept: 1.7 m - From: 153.1 m - To: 154.8 m - Hole Depth: 227.5 m - Intercept Depth: 153.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD003:153.1-154.8 #### Location - Easting: 563855 - Northing: 3297850 - CRS: NAD83 UTM Zone 13N - Elevation: 1271 m - Azimuth: 340 ° - Dip: -73 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization, not a significant intercept. - Negative factor: Low zinc grade \(0.23%\) is weak for a base metal deposit. Evidence · table > 0.23 Context: 1.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-14) Shafter · lead #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.9 - Grade Unit: % - Intercept: 2.4 m - From: 161.9 m - To: 164.3 m - Hole Depth: 228 m - Intercept Depth: 161.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:161.9-164.3 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is moderate but the narrow width limits its significance. - Negative factor: Moderate lead grade \(0.9%\) over a narrow width is not highly material. Evidence · table > 0.90 Context: 2.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-15) Shafter · zinc #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.75 - Grade Unit: % - Intercept: 2.4 m - From: 161.9 m - To: 164.3 m - Hole Depth: 228 m - Intercept Depth: 161.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:161.9-164.3 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is moderate but the narrow width limits its significance. - Negative factor: Moderate zinc grade \(1.75%\) over a narrow width is not highly material. Evidence · table > 1.75 Context: 2.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-16) Shafter · lead #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 2.34 - Grade Unit: % - Intercept: 0.7 m - From: 163.1 m - To: 163.8 m - Hole Depth: 228 m - Intercept Depth: 163.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:163.1-163.8 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong lead grade is present, but the very narrow width reduces its overall impact. - Positive factor: Strong lead grade \(2.34%\) in a sub-interval. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 2.34 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-17) Shafter · zinc #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 4.1 - Grade Unit: % - Intercept: 0.7 m - From: 163.1 m - To: 163.8 m - Hole Depth: 228 m - Intercept Depth: 163.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:163.1-163.8 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong zinc grade is present, but the very narrow width reduces its overall impact. - Positive factor: Strong zinc grade \(4.1%\) in a sub-interval. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 4.10 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-18) Shafter · lead #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.16 - Grade Unit: % - Intercept: 1.8 m - From: 171.6 m - To: 173.4 m - Hole Depth: 228 m - Intercept Depth: 171.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:171.6-173.4 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.16%\) is weak for a base metal deposit. Evidence · table > 0.16 Context: 1.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD004 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-19) Shafter · zinc #### Identity - Hole ID: SFD004 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.92 - Grade Unit: % - Intercept: 1.8 m - From: 171.6 m - To: 173.4 m - Hole Depth: 228 m - Intercept Depth: 171.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD004:171.6-173.4 #### Location - Easting: 563855 - Northing: 3297854 - CRS: NAD83 UTM Zone 13N - Elevation: 1270 m - Azimuth: 280 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.92%\) is weak for a base metal deposit. Evidence · table > 0.92 Context: 1.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD005 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-20) Shafter · lead #### Identity - Hole ID: SFD005 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.29 - Grade Unit: % - Intercept: 1.3 m - From: 145.3 m - To: 146.6 m - Hole Depth: 211.1 m - Intercept Depth: 145.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD005:145.3-146.6 #### Location - Easting: 563975 - Northing: 3297790 - CRS: NAD83 UTM Zone 13N - Elevation: 1276 m - Azimuth: 132 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.29%\) is weak for a base metal deposit. Evidence · table > 0.29 Context: 1.3 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD005 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-21) Shafter · zinc #### Identity - Hole ID: SFD005 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.28 - Grade Unit: % - Intercept: 1.3 m - From: 145.3 m - To: 146.6 m - Hole Depth: 211.1 m - Intercept Depth: 145.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD005:145.3-146.6 #### Location - Easting: 563975 - Northing: 3297790 - CRS: NAD83 UTM Zone 13N - Elevation: 1276 m - Azimuth: 132 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.28%\) is weak for a base metal deposit. Evidence · table > 0.28 Context: 1.3 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD006 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-22) Shafter · lead #### Identity - Hole ID: SFD006 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.03 - Grade Unit: % - Intercept: 0.6 m - From: 154.3 m - To: 154.9 m - Hole Depth: 230 m - Intercept Depth: 154.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD006:154.3-154.9 #### Location - Easting: 563994 - Northing: 3297840 - CRS: NAD83 UTM Zone 13N - Elevation: 1276 m - Azimuth: 344 ° - Dip: -73 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is very low and not material. - Negative factor: Very low lead grade \(0.03%\) is not significant. Evidence · table > 0.03 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD006 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-23) Shafter · zinc #### Identity - Hole ID: SFD006 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.22 - Grade Unit: % - Intercept: 0.6 m - From: 154.3 m - To: 154.9 m - Hole Depth: 230 m - Intercept Depth: 154.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD006:154.3-154.9 #### Location - Easting: 563994 - Northing: 3297840 - CRS: NAD83 UTM Zone 13N - Elevation: 1276 m - Azimuth: 344 ° - Dip: -73 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.22%\) is weak for a base metal deposit. Evidence · table > 0.22 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD007 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-24) Shafter · gold #### Identity - Hole ID: SFD007 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 3.2 m - From: 56.2 m - To: 59.4 m - Hole Depth: 154.5 m - Intercept Depth: 56.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD007:56.2-59.4 #### Location - Easting: 563647 - Northing: 3297526 - CRS: NAD83 UTM Zone 13N - Elevation: 1254 m - Azimuth: 222 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 3.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD007 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-25) Shafter · lead #### Identity - Hole ID: SFD007 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.26 - Grade Unit: % - Intercept: 3.2 m - From: 56.2 m - To: 59.4 m - Hole Depth: 154.5 m - Intercept Depth: 56.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD007:56.2-59.4 #### Location - Easting: 563647 - Northing: 3297526 - CRS: NAD83 UTM Zone 13N - Elevation: 1254 m - Azimuth: 222 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.26%\) is weak for a base metal deposit. Evidence · table > 0.26 Context: 3.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD007 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-26) Shafter · zinc #### Identity - Hole ID: SFD007 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.62 - Grade Unit: % - Intercept: 3.2 m - From: 56.2 m - To: 59.4 m - Hole Depth: 154.5 m - Intercept Depth: 56.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD007:56.2-59.4 #### Location - Easting: 563647 - Northing: 3297526 - CRS: NAD83 UTM Zone 13N - Elevation: 1254 m - Azimuth: 222 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.62%\) is weak for a base metal deposit. Evidence · table > 0.62 Context: 3.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD007 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-27) Shafter · lead #### Identity - Hole ID: SFD007 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 5.5 m - From: 75.9 m - To: 81.4 m - Hole Depth: 154.5 m - Intercept Depth: 75.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD007:75.9-81.4 #### Location - Easting: 563647 - Northing: 3297526 - CRS: NAD83 UTM Zone 13N - Elevation: 1254 m - Azimuth: 222 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a moderate width indicates minor mineralization. - Negative factor: Low lead grade \(0.08%\) is weak for a base metal deposit. Evidence · table > 0.08 Context: 5.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD007 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-28) Shafter · zinc #### Identity - Hole ID: SFD007 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.62 - Grade Unit: % - Intercept: 5.5 m - From: 75.9 m - To: 81.4 m - Hole Depth: 154.5 m - Intercept Depth: 75.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD007:75.9-81.4 #### Location - Easting: 563647 - Northing: 3297526 - CRS: NAD83 UTM Zone 13N - Elevation: 1254 m - Azimuth: 222 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.62%\) is weak for a base metal deposit. Evidence · table > 0.62 Context: 5.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD008 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-29) Shafter · lead #### Identity - Hole ID: SFD008 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 7.2 m - From: 156.5 m - To: 163.7 m - Hole Depth: 174.2 m - Intercept Depth: 156.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD008:156.5-163.7 #### Location - Easting: 563262 - Northing: 3297384 - CRS: NAD83 UTM Zone 13N - Elevation: 1258 m - Azimuth: 150 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a moderate width indicates minor mineralization. - Negative factor: Low lead grade \(0.08%\) is weak for a base metal deposit. Evidence · table > 0.08 Context: 7.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD008 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-30) Shafter · zinc #### Identity - Hole ID: SFD008 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.32 - Grade Unit: % - Intercept: 7.2 m - From: 156.5 m - To: 163.7 m - Hole Depth: 174.2 m - Intercept Depth: 156.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD008:156.5-163.7 #### Location - Easting: 563262 - Northing: 3297384 - CRS: NAD83 UTM Zone 13N - Elevation: 1258 m - Azimuth: 150 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.32%\) is weak for a base metal deposit. Evidence · table > 0.32 Context: 7.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD008 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-31) Shafter · lead #### Identity - Hole ID: SFD008 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.07 - Grade Unit: % - Intercept: 3 m - From: 156.5 m - To: 159.4 m - Hole Depth: 174.2 m - Intercept Depth: 156.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD008:156.5-159.4 #### Location - Easting: 563262 - Northing: 3297384 - CRS: NAD83 UTM Zone 13N - Elevation: 1258 m - Azimuth: 150 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.07%\) is weak for a base metal deposit. Evidence · table > 0.07 Context: 3.0 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD008 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-32) Shafter · zinc #### Identity - Hole ID: SFD008 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.46 - Grade Unit: % - Intercept: 3 m - From: 156.5 m - To: 159.4 m - Hole Depth: 174.2 m - Intercept Depth: 156.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD008:156.5-159.4 #### Location - Easting: 563262 - Northing: 3297384 - CRS: NAD83 UTM Zone 13N - Elevation: 1258 m - Azimuth: 150 ° - Dip: -63 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.46%\) is weak for a base metal deposit. Evidence · table > 0.46 Context: 3.0 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD009 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-33) Shafter · gold #### Identity - Hole ID: SFD009 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 0.6 m - From: 151 m - To: 151.6 m - Hole Depth: 246 m - Intercept Depth: 151 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD009:151-151.6 #### Location - Easting: 563137 - Northing: 3297302 - CRS: NAD83 UTM Zone 13N - Elevation: 1253 m - Azimuth: 150 ° - Dip: -72 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.1 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD009 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-34) Shafter · lead #### Identity - Hole ID: SFD009 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: % - Intercept: 0.6 m - From: 151 m - To: 151.6 m - Hole Depth: 246 m - Intercept Depth: 151 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD009:151-151.6 #### Location - Easting: 563137 - Northing: 3297302 - CRS: NAD83 UTM Zone 13N - Elevation: 1253 m - Azimuth: 150 ° - Dip: -72 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low lead grade \(0.2%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.20 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD009 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-35) Shafter · zinc #### Identity - Hole ID: SFD009 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.49 - Grade Unit: % - Intercept: 0.6 m - From: 151 m - To: 151.6 m - Hole Depth: 246 m - Intercept Depth: 151 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD009:151-151.6 #### Location - Easting: 563137 - Northing: 3297302 - CRS: NAD83 UTM Zone 13N - Elevation: 1253 m - Azimuth: 150 ° - Dip: -72 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.49%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.49 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD010 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-36) Shafter · lead #### Identity - Hole ID: SFD010 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.03 - Grade Unit: % - Intercept: 11.5 m - From: 135.9 m - To: 147.4 m - Hole Depth: 202.8 m - Intercept Depth: 135.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD010:135.9-147.4 #### Location - Easting: 563645 - Northing: 3297530 - CRS: NAD83 UTM Zone 13N - Elevation: 1263 m - Azimuth: 283 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is very low and not material, despite the moderate width. - Negative factor: Very low lead grade \(0.03%\) is not significant. Evidence · table > 0.03 Context: 11.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD010 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-37) Shafter · zinc #### Identity - Hole ID: SFD010 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.21 - Grade Unit: % - Intercept: 11.5 m - From: 135.9 m - To: 147.4 m - Hole Depth: 202.8 m - Intercept Depth: 135.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD010:135.9-147.4 #### Location - Easting: 563645 - Northing: 3297530 - CRS: NAD83 UTM Zone 13N - Elevation: 1263 m - Azimuth: 283 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.21%\) is weak for a base metal deposit. Evidence · table > 0.21 Context: 11.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-38) Shafter · silver #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 10 - Grade Unit: g/t - Intercept: 3.5 m - From: 176.6 m - To: 180.1 m - Hole Depth: 218.5 m - Intercept Depth: 176.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:176.6-180.1 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and not individually significant. - Negative factor: Low silver grade \(10 g/t\) is weak for a silver deposit. Evidence · table > 10 Context: 3.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-39) Shafter · gold #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 3.5 m - From: 176.6 m - To: 180.1 m - Hole Depth: 218.5 m - Intercept Depth: 176.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:176.6-180.1 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 3.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-40) Shafter · lead #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.37 - Grade Unit: % - Intercept: 3.5 m - From: 176.6 m - To: 180.1 m - Hole Depth: 218.5 m - Intercept Depth: 176.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:176.6-180.1 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.37%\) is weak for a base metal deposit. Evidence · table > 0.37 Context: 3.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-41) Shafter · zinc #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 3.68 - Grade Unit: % - Intercept: 3.5 m - From: 176.6 m - To: 180.1 m - Hole Depth: 218.5 m - Intercept Depth: 176.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:176.6-180.1 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is a strong component of this polymetallic intercept. - Positive factor: Strong zinc grade \(3.68%\) contributes positively to the polymetallic nature of the intercept. Evidence · table > 3.68 Context: 3.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-42) Shafter · silver #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 10 - Grade Unit: g/t - Intercept: 0.6 m - From: 178.3 m - To: 178.9 m - Hole Depth: 218.5 m - Intercept Depth: 178.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:178.3-178.9 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low silver grade \(10 g/t\) is weak for a silver deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 10 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-43) Shafter · gold #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 0.6 m - From: 178.3 m - To: 178.9 m - Hole Depth: 218.5 m - Intercept Depth: 178.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:178.3-178.9 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.1 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-44) Shafter · lead #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.21 - Grade Unit: % - Intercept: 0.6 m - From: 178.3 m - To: 178.9 m - Hole Depth: 218.5 m - Intercept Depth: 178.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:178.3-178.9 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low lead grade \(0.21%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.21 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-45) Shafter · zinc #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 11 - Grade Unit: % - Intercept: 0.6 m - From: 178.3 m - To: 178.9 m - Hole Depth: 218.5 m - Intercept Depth: 178.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:178.3-178.9 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza zinc grade of 11% in a narrow sub-interval is a highly positive result, indicating very high-grade mineralization. - Positive factor: Exceptional zinc grade \(11%\) over a narrow width is a bonanza intercept. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 11.00 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-46) Shafter · gold #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 0.9 m - From: 187.7 m - To: 188.6 m - Hole Depth: 218.5 m - Intercept Depth: 187.7 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:187.7-188.6 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 0.1 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-47) Shafter · lead #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.25 - Grade Unit: % - Intercept: 0.9 m - From: 187.7 m - To: 188.6 m - Hole Depth: 218.5 m - Intercept Depth: 187.7 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:187.7-188.6 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low lead grade \(0.25%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 0.25 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD011 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-48) Shafter · zinc #### Identity - Hole ID: SFD011 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.51 - Grade Unit: % - Intercept: 0.9 m - From: 187.7 m - To: 188.6 m - Hole Depth: 218.5 m - Intercept Depth: 187.7 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD011:187.7-188.6 #### Location - Easting: 563647 - Northing: 3297533 - CRS: NAD83 UTM Zone 13N - Elevation: 1265 m - Azimuth: 341 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is moderate but the very narrow width limits its significance. - Negative factor: Moderate zinc grade \(1.51%\) over a very narrow width is not highly material. Evidence · table > 1.51 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD012 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-49) Shafter · silver #### Identity - Hole ID: SFD012 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 24 - Grade Unit: g/t - Intercept: 0.9 m - From: 214.9 m - To: 215.7 m - Hole Depth: 273.3 m - Intercept Depth: 214.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD012:214.9-215.7 #### Location - Easting: 565819 - Northing: 3298486 - CRS: NAD83 UTM Zone 13N - Elevation: 1219 m - Azimuth: 58 ° - Dip: -81 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low silver grade \(24 g/t\) is weak for a silver deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 24 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD012 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-50) Shafter · zinc #### Identity - Hole ID: SFD012 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 0.9 m - From: 214.9 m - To: 215.7 m - Hole Depth: 273.3 m - Intercept Depth: 214.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD012:214.9-215.7 #### Location - Easting: 565819 - Northing: 3298486 - CRS: NAD83 UTM Zone 13N - Elevation: 1219 m - Azimuth: 58 ° - Dip: -81 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.13%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 0.13 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD012 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-51) Shafter · silver #### Identity - Hole ID: SFD012 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 33 - Grade Unit: g/t - Intercept: 0.9 m - From: 226.5 m - To: 227.1 m - Hole Depth: 273.3 m - Intercept Depth: 226.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD012:226.5-227.1 #### Location - Easting: 565819 - Northing: 3298486 - CRS: NAD83 UTM Zone 13N - Elevation: 1219 m - Azimuth: 58 ° - Dip: -81 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low silver grade \(33 g/t\) is weak for a silver deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 33 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD012 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-52) Shafter · zinc #### Identity - Hole ID: SFD012 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 0.9 m - From: 226.5 m - To: 227.1 m - Hole Depth: 273.3 m - Intercept Depth: 226.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD012:226.5-227.1 #### Location - Easting: 565819 - Northing: 3298486 - CRS: NAD83 UTM Zone 13N - Elevation: 1219 m - Azimuth: 58 ° - Dip: -81 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.13%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.9m\) limits overall materiality. Evidence · table > 0.13 Context: 0.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-53) Shafter · gold #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 6 m - From: 181.8 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 181.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:181.8-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 6.0 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-54) Shafter · lead #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 6 m - From: 181.8 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 181.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:181.8-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a moderate width indicates minor mineralization. - Negative factor: Low lead grade \(0.13%\) is weak for a base metal deposit. Evidence · table > 0.13 Context: 6.0 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-55) Shafter · zinc #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 6 m - From: 181.8 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 181.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:181.8-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.35%\) is weak for a base metal deposit. Evidence · table > 0.35 Context: 6.0 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-56) Shafter · silver #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 30 - Grade Unit: g/t - Intercept: 0.7 m - From: 187.1 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 187.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:187.1-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low silver grade \(30 g/t\) is weak for a silver deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 30 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-57) Shafter · gold #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: g/t - Intercept: 0.7 m - From: 187.1 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 187.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:187.1-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low gold grade \(0.2 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 0.2 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-58) Shafter · lead #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.32 - Grade Unit: % - Intercept: 0.7 m - From: 187.1 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 187.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:187.1-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low lead grade \(0.32%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 0.32 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD013 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-59) Shafter · zinc #### Identity - Hole ID: SFD013 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.8 - Grade Unit: % - Intercept: 0.7 m - From: 187.1 m - To: 187.8 m - Hole Depth: 224.6 m - Intercept Depth: 187.1 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD013:187.1-187.8 #### Location - Easting: 563261 - Northing: 3297388 - CRS: NAD83 UTM Zone 13N - Elevation: 1252 m - Azimuth: 183 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is moderate but the very narrow width limits its significance. - Negative factor: Moderate zinc grade \(1.8%\) over a very narrow width is not highly material. Evidence · table > 1.80 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD014 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-60) Shafter · lead #### Identity - Hole ID: SFD014 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 2.4 m - From: 54.9 m - To: 57.3 m - Hole Depth: 176 m - Intercept Depth: 54.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD014:54.9-57.3 #### Location - Easting: 563501 - Northing: 3297293 - CRS: NAD83 UTM Zone 13N - Elevation: 1244 m - Azimuth: 159 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.08%\) is weak for a base metal deposit. Evidence · table > 0.08 Context: 2.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD014 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-61) Shafter · zinc #### Identity - Hole ID: SFD014 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.2 - Grade Unit: % - Intercept: 2.4 m - From: 54.9 m - To: 57.3 m - Hole Depth: 176 m - Intercept Depth: 54.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD014:54.9-57.3 #### Location - Easting: 563501 - Northing: 3297293 - CRS: NAD83 UTM Zone 13N - Elevation: 1244 m - Azimuth: 159 ° - Dip: -80 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is moderate but the narrow width limits its significance. - Negative factor: Moderate zinc grade \(1.2%\) over a narrow width is not highly material. Evidence · table > 1.20 Context: 2.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD015 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-62) Shafter · lead #### Identity - Hole ID: SFD015 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.09 - Grade Unit: % - Intercept: 0.7 m - From: 87.4 m - To: 88.1 m - Hole Depth: 194.7 m - Intercept Depth: 87.4 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD015:87.4-88.1 #### Location - Easting: 563464 - Northing: 3297452 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 157 ° - Dip: -73 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low lead grade \(0.09%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 0.09 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD015 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-63) Shafter · zinc #### Identity - Hole ID: SFD015 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.11 - Grade Unit: % - Intercept: 0.7 m - From: 87.4 m - To: 88.1 m - Hole Depth: 194.7 m - Intercept Depth: 87.4 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD015:87.4-88.1 #### Location - Easting: 563464 - Northing: 3297452 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 157 ° - Dip: -73 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.11%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 0.11 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD016 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-64) Shafter · zinc #### Identity - Hole ID: SFD016 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 1.3 m - From: 72.5 m - To: 73.9 m - Hole Depth: 160.6 m - Intercept Depth: 72.5 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD016:72.5-73.9 #### Location - Easting: 564426 - Northing: 3297549 - CRS: NAD83 UTM Zone 13N - Elevation: 1258 m - Azimuth: 90 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.13%\) is weak for a base metal deposit. Evidence · table > 0.13 Context: 1.3 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-65) Shafter · silver #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 38 - Grade Unit: g/t - Intercept: 7.5 m - From: 87.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 87.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:87.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low silver grade over a moderate width indicates minor mineralization. - Negative factor: Low silver grade \(38 g/t\) is weak for a silver deposit. Evidence · table > 38 Context: 7.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-66) Shafter · lead #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.07 - Grade Unit: % - Intercept: 7.5 m - From: 87.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 87.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:87.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a moderate width indicates minor mineralization. - Negative factor: Low lead grade \(0.07%\) is weak for a base metal deposit. Evidence · table > 0.07 Context: 7.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-67) Shafter · zinc #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.18 - Grade Unit: % - Intercept: 7.5 m - From: 87.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 87.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:87.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.18%\) is weak for a base metal deposit. Evidence · table > 0.18 Context: 7.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-68) Shafter · silver #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 140 - Grade Unit: g/t - Intercept: 0.5 m - From: 94.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 94.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:94.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is moderate but the very narrow width limits its significance. - Negative factor: Moderate silver grade \(140 g/t\) over a very narrow width is not highly material. Evidence · table > 140 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-69) Shafter · lead #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.05 - Grade Unit: % - Intercept: 0.5 m - From: 94.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 94.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:94.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is very low and the width is very narrow, indicating minor mineralization. - Negative factor: Very low lead grade \(0.05%\) is not significant. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.05 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD017 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-70) Shafter · zinc #### Identity - Hole ID: SFD017 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.21 - Grade Unit: % - Intercept: 0.5 m - From: 94.8 m - To: 95.3 m - Hole Depth: 95.3 m - Intercept Depth: 94.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD017:94.8-95.3 #### Location - Easting: 564228 - Northing: 3297860 - CRS: NAD83 UTM Zone 13N - Elevation: 1269 m - Azimuth: 315 ° - Dip: -65 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.21%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.21 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD018 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-71) Shafter · lead #### Identity - Hole ID: SFD018 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.05 - Grade Unit: % - Intercept: 0.6 m - From: 106.9 m - To: 107.5 m - Hole Depth: 211.4 m - Intercept Depth: 106.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD018:106.9-107.5 #### Location - Easting: 564002 - Northing: 3297669 - CRS: NAD83 UTM Zone 13N - Elevation: 1273 m - Azimuth: 161 ° - Dip: -69 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is very low and the width is very narrow, indicating minor mineralization. - Negative factor: Very low lead grade \(0.05%\) is not significant. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.05 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD018 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-72) Shafter · zinc #### Identity - Hole ID: SFD018 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.38 - Grade Unit: % - Intercept: 0.6 m - From: 106.9 m - To: 107.5 m - Hole Depth: 211.4 m - Intercept Depth: 106.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD018:106.9-107.5 #### Location - Easting: 564002 - Northing: 3297669 - CRS: NAD83 UTM Zone 13N - Elevation: 1273 m - Azimuth: 161 ° - Dip: -69 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.38%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.6m\) limits overall materiality. Evidence · table > 0.38 Context: 0.6 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-73) Shafter · silver #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 307 - Grade Unit: g/t - Intercept: 8.8 m - From: 259.1 m - To: 267.9 m - Hole Depth: 291.5 m - Intercept Depth: 259.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:259.1-267.9 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong silver intercept that improves upon historical results and expands the known mineralization is a highly positive outcome. - Positive factor: High silver grade \(307 g/t\) over a significant width \(8.8m\) is a strong intercept. - Positive factor: This intercept was thicker and higher grade than the historic twinned hole, expanding mineralization outside the foreign MRE model. Evidence · table > 307 Context: 8.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-74) Shafter · gold #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 8.8 m - From: 259.1 m - To: 267.9 m - Hole Depth: 291.5 m - Intercept Depth: 259.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:259.1-267.9 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 8.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-75) Shafter · lead #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.73 - Grade Unit: % - Intercept: 8.8 m - From: 259.1 m - To: 267.9 m - Hole Depth: 291.5 m - Intercept Depth: 259.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:259.1-267.9 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is a positive contribution to the overall polymetallic intercept. - Positive factor: Moderate lead grade \(0.73%\) contributes to the polymetallic nature of the intercept. Evidence · table > 0.73 Context: 8.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-76) Shafter · zinc #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.77 - Grade Unit: % - Intercept: 8.8 m - From: 259.1 m - To: 267.9 m - Hole Depth: 291.5 m - Intercept Depth: 259.1 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:259.1-267.9 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is a positive contribution to the overall polymetallic intercept. - Positive factor: Moderate zinc grade \(0.77%\) contributes to the polymetallic nature of the intercept. Evidence · table > 0.77 Context: 8.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-77) Shafter · silver #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 958 - Grade Unit: g/t - Intercept: 1.4 m - From: 263.7 m - To: 265.1 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-265.1 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 958 g/t within a broader intercept is a highly positive result, indicating very high-grade mineralization and an upgrade from historical data. - Positive factor: Exceptional silver grade \(958 g/t\) over a good width \(1.4m\) is a bonanza intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept and improves upon historical results. Evidence · table > 958 Context: 1.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-78) Shafter · gold #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: g/t - Intercept: 1.4 m - From: 263.7 m - To: 265.1 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-265.1 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.2 g/t\) is weak for a gold deposit. Evidence · table > 0.2 Context: 1.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-79) Shafter · lead #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 2.04 - Grade Unit: % - Intercept: 1.4 m - From: 263.7 m - To: 265.1 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-265.1 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is a strong component of this high-grade polymetallic sub-interval. - Positive factor: Strong lead grade \(2.04%\) contributes positively to the polymetallic nature of the intercept. Evidence · table > 2.04 Context: 1.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-80) Shafter · zinc #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.87 - Grade Unit: % - Intercept: 1.4 m - From: 263.7 m - To: 265.1 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-265.1 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is a positive component of this high-grade polymetallic sub-interval. - Positive factor: Moderate zinc grade \(1.87%\) contributes positively to the polymetallic nature of the intercept. Evidence · table > 1.87 Context: 1.4 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-81) Shafter · silver #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1169 - Grade Unit: g/t - Intercept: 0.5 m - From: 263.7 m - To: 264.3 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-264.3 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 1,169 g/t in a very narrow sub-interval is a highly positive result, indicating very high-grade mineralization and an upgrade from historical data. - Positive factor: Exceptional silver grade \(1,169 g/t\) over a very narrow width is a bonanza intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept and improves upon historical results. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 1,169 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-82) Shafter · gold #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: g/t - Intercept: 0.5 m - From: 263.7 m - To: 264.3 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-264.3 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.2 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.2 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-83) Shafter · lead #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 3.7 - Grade Unit: % - Intercept: 0.5 m - From: 263.7 m - To: 264.3 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-264.3 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The exceptional lead grade is a strong component of this high-grade polymetallic sub-interval, despite the narrow width. - Positive factor: Exceptional lead grade \(3.7%\) contributes significantly to the polymetallic nature of the intercept. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 3.70 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD019 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-84) Shafter · zinc #### Identity - Hole ID: SFD019 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 4.17 - Grade Unit: % - Intercept: 0.5 m - From: 263.7 m - To: 264.3 m - Hole Depth: 291.5 m - Intercept Depth: 263.7 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD019:263.7-264.3 #### Location - Easting: 566522 - Northing: 3298828 - CRS: NAD83 UTM Zone 13N - Elevation: 1205 m - Azimuth: 99 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The exceptional zinc grade is a strong component of this high-grade polymetallic sub-interval, despite the narrow width. - Positive factor: Exceptional zinc grade \(4.17%\) contributes significantly to the polymetallic nature of the intercept. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 4.17 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-85) Shafter · silver #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 148 - Grade Unit: g/t - Intercept: 11.9 m - From: 78.9 m - To: 90.7 m - Hole Depth: 138.7 m - Intercept Depth: 78.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:78.9-90.7 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong silver intercept that improves upon historical results and expands the known mineralization is a highly positive outcome. - Positive factor: Moderate silver grade \(148 g/t\) over a significant width \(11.9m\) is a strong intercept. - Positive factor: This intercept was thicker and higher grade than the historic twinned hole, expanding mineralization outside the foreign MRE model. Evidence · table > 148 Context: 11.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-86) Shafter · lead #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.12 - Grade Unit: % - Intercept: 11.9 m - From: 78.9 m - To: 90.7 m - Hole Depth: 138.7 m - Intercept Depth: 78.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:78.9-90.7 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a moderate width indicates minor mineralization. - Negative factor: Low lead grade \(0.12%\) is weak for a base metal deposit. Evidence · table > 0.12 Context: 11.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-87) Shafter · zinc #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.44 - Grade Unit: % - Intercept: 11.9 m - From: 78.9 m - To: 90.7 m - Hole Depth: 138.7 m - Intercept Depth: 78.9 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:78.9-90.7 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a moderate width indicates minor mineralization. - Negative factor: Low zinc grade \(0.44%\) is weak for a base metal deposit. Evidence · table > 0.44 Context: 11.9 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-88) Shafter · silver #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 393 - Grade Unit: g/t - Intercept: 2.7 m - From: 79.4 m - To: 82.1 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-82.1 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 393 g/t within a broader intercept is a highly positive result, indicating very high-grade mineralization and an upgrade from historical data. - Positive factor: Exceptional silver grade \(393 g/t\) over a good width \(2.7m\) is a bonanza intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept and improves upon historical results. Evidence · table > 393 Context: 2.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-89) Shafter · gold #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 2.7 m - From: 79.4 m - To: 82.1 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-82.1 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 2.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-90) Shafter · lead #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 2.7 m - From: 79.4 m - To: 82.1 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-82.1 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.3%\) is weak for a base metal deposit. Evidence · table > 0.30 Context: 2.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-91) Shafter · zinc #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.58 - Grade Unit: % - Intercept: 2.7 m - From: 79.4 m - To: 82.1 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-82.1 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.58%\) is weak for a base metal deposit. Evidence · table > 0.58 Context: 2.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-92) Shafter · silver #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1333 - Grade Unit: g/t - Intercept: 0.5 m - From: 79.4 m - To: 80 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-80 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 1,333 g/t in a very narrow sub-interval is a highly positive result, indicating very high-grade mineralization and an upgrade from historical data. - Positive factor: Exceptional silver grade \(1,333 g/t\) over a very narrow width is a bonanza intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept and improves upon historical results. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 1,333 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-93) Shafter · gold #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 0.5 m - From: 79.4 m - To: 80 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-80 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.1 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-94) Shafter · lead #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.64 - Grade Unit: % - Intercept: 0.5 m - From: 79.4 m - To: 80 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-80 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a very narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.64%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.64 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD020 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-95) Shafter · zinc #### Identity - Hole ID: SFD020 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.34 - Grade Unit: % - Intercept: 0.5 m - From: 79.4 m - To: 80 m - Hole Depth: 138.7 m - Intercept Depth: 79.4 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD020:79.4-80 #### Location - Easting: 565040 - Northing: 3298373 - CRS: NAD83 UTM Zone 13N - Elevation: 1264 m - Azimuth: 170 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is moderate but the very narrow width limits its significance. - Negative factor: Moderate zinc grade \(1.34%\) over a very narrow width is not highly material. Evidence · table > 1.34 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-96) Shafter · silver #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 26 - Grade Unit: g/t - Intercept: 2.5 m - From: 149.9 m - To: 152.4 m - Hole Depth: 218.5 m - Intercept Depth: 149.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:149.9-152.4 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low silver grade over a narrow width indicates minor mineralization. - Negative factor: Low silver grade \(26 g/t\) is weak for a silver deposit. Evidence · table > 26 Context: 2.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-97) Shafter · zinc #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.25 - Grade Unit: % - Intercept: 2.5 m - From: 149.9 m - To: 152.4 m - Hole Depth: 218.5 m - Intercept Depth: 149.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:149.9-152.4 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.25%\) is weak for a base metal deposit. Evidence · table > 0.25 Context: 2.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-98) Shafter · gold #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 3.7 m - From: 154.8 m - To: 158.4 m - Hole Depth: 218.5 m - Intercept Depth: 154.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:154.8-158.4 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 3.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-99) Shafter · zinc #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: % - Intercept: 3.7 m - From: 154.8 m - To: 158.4 m - Hole Depth: 218.5 m - Intercept Depth: 154.8 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:154.8-158.4 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.2%\) is weak for a base metal deposit. Evidence · table > 0.20 Context: 3.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-100) Shafter · zinc #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.4 - Grade Unit: % - Intercept: 9.1 m - From: 181.3 m - To: 190.4 m - Hole Depth: 218.5 m - Intercept Depth: 181.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:181.3-190.4 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a significant width indicates minor mineralization. - Negative factor: Low zinc grade \(0.4%\) is weak for a base metal deposit. Evidence · table > 0.40 Context: 9.1 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-101) Shafter · silver #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 16 - Grade Unit: g/t - Intercept: 0.7 m - From: 184.6 m - To: 185.3 m - Hole Depth: 218.5 m - Intercept Depth: 184.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:184.6-185.3 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low silver grade \(16 g/t\) is weak for a silver deposit. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 16 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD021 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-102) Shafter · zinc #### Identity - Hole ID: SFD021 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 2.88 - Grade Unit: % - Intercept: 0.7 m - From: 184.6 m - To: 185.3 m - Hole Depth: 218.5 m - Intercept Depth: 184.6 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD021:184.6-185.3 #### Location - Easting: 565372 - Northing: 3298286 - CRS: NAD83 UTM Zone 13N - Elevation: 1249 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The strong zinc grade is a positive component of this polymetallic sub-interval, despite the narrow width. - Positive factor: Strong zinc grade \(2.88%\) contributes positively to the polymetallic nature of the intercept. - Negative factor: Very narrow width \(0.7m\) limits overall materiality. Evidence · table > 2.88 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-103) Shafter · silver #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 171 - Grade Unit: g/t - Intercept: 3.8 m - From: 146.2 m - To: 150 m - Hole Depth: 304.8 m - Intercept Depth: 146.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:146.2-150 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong silver intercept that improves upon historical results and expands the known mineralization is a highly positive outcome. - Positive factor: Moderate silver grade \(171 g/t\) over a good width \(3.8m\) is a strong intercept. - Positive factor: This intercept was thicker and higher grade than the historic twinned hole, expanding mineralization outside the foreign MRE model. Evidence · table > 171 Context: 3.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-104) Shafter · gold #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 3.8 m - From: 146.2 m - To: 150 m - Hole Depth: 304.8 m - Intercept Depth: 146.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:146.2-150 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 3.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-105) Shafter · lead #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.2 - Grade Unit: % - Intercept: 3.8 m - From: 146.2 m - To: 150 m - Hole Depth: 304.8 m - Intercept Depth: 146.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:146.2-150 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.2%\) is weak for a base metal deposit. Evidence · table > 0.2 Context: 3.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-106) Shafter · zinc #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.64 - Grade Unit: % - Intercept: 3.8 m - From: 146.2 m - To: 150 m - Hole Depth: 304.8 m - Intercept Depth: 146.2 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:146.2-150 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.64%\) is weak for a base metal deposit. Evidence · table > 0.64 Context: 3.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-107) Shafter · silver #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 248 - Grade Unit: g/t - Intercept: 2.2 m - From: 147.3 m - To: 149.5 m - Hole Depth: 304.8 m - Intercept Depth: 147.3 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:147.3-149.5 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong silver grade of 248 g/t within a broader intercept is a highly positive result, indicating high-grade mineralization and an upgrade from historical data. - Positive factor: High silver grade \(248 g/t\) over a good width \(2.2m\) is a strong intercept. - Positive factor: This high-grade sub-interval significantly enhances the overall intercept and improves upon historical results. Evidence · table > 248 Context: 2.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-108) Shafter · gold #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 2.2 m - From: 147.3 m - To: 149.5 m - Hole Depth: 304.8 m - Intercept Depth: 147.3 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:147.3-149.5 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade in this sub-interval is low and does not add significant value on its own. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 2.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-109) Shafter · lead #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 2.2 m - From: 147.3 m - To: 149.5 m - Hole Depth: 304.8 m - Intercept Depth: 147.3 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:147.3-149.5 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.3%\) is weak for a base metal deposit. Evidence · table > 0.3 Context: 2.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD022 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-110) Shafter · zinc #### Identity - Hole ID: SFD022 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.31 - Grade Unit: % - Intercept: 2.2 m - From: 147.3 m - To: 149.5 m - Hole Depth: 304.8 m - Intercept Depth: 147.3 m #### Classification - Program: resource - Sample Type: drill - Group ID: SFD022:147.3-149.5 #### Location - Easting: 565504 - Northing: 3298507 - CRS: NAD83 UTM Zone 13N - Elevation: 1229 m - Azimuth: 0 ° - Dip: -90 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.31%\) is weak for a base metal deposit. Evidence · table > 0.31 Context: 2.2 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-111) Shafter · silver #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 116 - Grade Unit: g/t - Intercept: 2.8 m - From: 106.9 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 106.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:106.9-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is moderate but the narrow width limits its significance. - Negative factor: Moderate silver grade \(116 g/t\) over a narrow width is not highly material. Evidence · table > 116 Context: 2.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-112) Shafter · lead #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.6 - Grade Unit: % - Intercept: 2.8 m - From: 106.9 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 106.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:106.9-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a narrow width indicates minor mineralization. - Negative factor: Low lead grade \(0.6%\) is weak for a base metal deposit. Evidence · table > 0.6 Context: 2.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-113) Shafter · zinc #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.12 - Grade Unit: % - Intercept: 2.8 m - From: 106.9 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 106.9 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:106.9-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low zinc grade over a narrow width indicates minor mineralization. - Negative factor: Low zinc grade \(0.12%\) is weak for a base metal deposit. Evidence · table > 0.12 Context: 2.8 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-114) Shafter · silver #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 444 - Grade Unit: g/t - Intercept: 0.5 m - From: 109.2 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 109.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:109.2-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza silver grade of 444 g/t in a very narrow sub-interval is a highly positive result, indicating very high-grade mineralization. - Positive factor: Exceptional silver grade \(444 g/t\) over a very narrow width is a bonanza intercept. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 444 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-115) Shafter · gold #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 0.5 m - From: 109.2 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 109.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:109.2-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.1 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-116) Shafter · lead #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 2.6 - Grade Unit: % - Intercept: 0.5 m - From: 109.2 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 109.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:109.2-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The strong lead grade is a positive component of this polymetallic sub-interval, despite the narrow width. - Positive factor: Strong lead grade \(2.6%\) contributes positively to the polymetallic nature of the intercept. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 2.6 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD023 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-117) Shafter · zinc #### Identity - Hole ID: SFD023 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 0.5 m - From: 109.2 m - To: 109.7 m - Hole Depth: 109.7 m - Intercept Depth: 109.2 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD023:109.2-109.7 #### Location - Easting: 564515 - Northing: 3298034 - CRS: NAD83 UTM Zone 13N - Elevation: 1285 m - Azimuth: 270 ° - Dip: -70 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The zinc grade is low and the width is very narrow, indicating minor mineralization. - Negative factor: Low zinc grade \(0.13%\) is weak for a base metal deposit. - Negative factor: Very narrow width \(0.5m\) limits overall materiality. Evidence · table > 0.13 Context: 0.5 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-118) Shafter · silver #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 5 - Grade Unit: g/t - Intercept: 10.7 m - From: 122.3 m - To: 133 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-133 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The silver grade is very low and not material, despite the significant width. - Negative factor: Very low silver grade \(5 g/t\) is not significant. Evidence · table > 5 Context: 10.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-119) Shafter · gold #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.1 - Grade Unit: g/t - Intercept: 10.7 m - From: 122.3 m - To: 133 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-133 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.1 g/t\) is weak for a gold deposit. Evidence · table > 0.1 Context: 10.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-120) Shafter · lead #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.18 - Grade Unit: % - Intercept: 10.7 m - From: 122.3 m - To: 133 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-133 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low lead grade over a significant width indicates minor mineralization. - Negative factor: Low lead grade \(0.18%\) is weak for a base metal deposit. Evidence · table > 0.18 Context: 10.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-121) Shafter · zinc #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 3.26 - Grade Unit: % - Intercept: 10.7 m - From: 122.3 m - To: 133 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-133 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A strong zinc grade over a significant width is a positive polymetallic intercept. - Positive factor: Strong zinc grade \(3.26%\) over a significant width \(10.7m\) is a strong intercept. Evidence · table > 3.26 Context: 10.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-122) Shafter · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: silver - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 22 - Grade Unit: g/t - Intercept: 1.7 m - From: 122.3 m - To: 124 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-124 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A low silver grade over a narrow width indicates minor mineralization. - Negative factor: Low silver grade \(22 g/t\) is weak for a silver deposit. Evidence · table > 22 Context: 1.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-123) Shafter · gold #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: gold - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 0.3 - Grade Unit: g/t - Intercept: 1.7 m - From: 122.3 m - To: 124 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-124 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The gold grade is low and not individually significant. - Negative factor: Low gold grade \(0.3 g/t\) is weak for a gold deposit. Evidence · table > 0.3 Context: 1.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-124) Shafter · lead #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: lead - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 1.02 - Grade Unit: % - Intercept: 1.7 m - From: 122.3 m - To: 124 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-124 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The lead grade is moderate but the narrow width limits its significance. - Negative factor: Moderate lead grade \(1.02%\) over a narrow width is not highly material. Evidence · table > 1.02 Context: 1.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ### SFD024 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-drill-facts-125) Shafter · zinc #### Identity - Hole ID: SFD024 - Project: Shafter - Commodity: zinc - Region: usa - Reported Region: usa - Ticker: BKB #### Geometry - Grade: 19.83 - Grade Unit: % - Intercept: 1.7 m - From: 122.3 m - To: 124 m - Hole Depth: 282.4 m - Intercept Depth: 122.3 m #### Classification - Program: exploration - Sample Type: drill - Group ID: SFD024:122.3-124 #### Location - Easting: 563187 - Northing: 3297288 - CRS: NAD83 UTM Zone 13N - Elevation: 1250 m - Azimuth: 150 ° - Dip: -75 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A bonanza zinc grade of 19.83% in a narrow sub-interval is a highly positive result, indicating very high-grade mineralization. - Positive factor: Exceptional zinc grade \(19.83%\) over a good width \(1.7m\) is a bonanza intercept. Evidence · table > 19.83 Context: 1.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "The Shafter Project is situated within a basin carbonate sequence that extends 1,600km from northern Mexico through sout" ## Resource Estimates (4) ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-resource-facts-0) Shafter Silver Project · silver #### Identity - Project: Shafter Silver Project - Commodity: silver - Region: usa - Reported Region: Texas, United States of America - Ticker: BKB #### Resource scope - Estimate type: resource - QP Signed: No - Resource group id: resource:9ebf98608b21dd1627d5 - Mining method: combined #### Resource Data - Category: measured - Tonnes: 90000 - Grade: 299 - Grade Unit: g/t - Contained Metal: 0.89 - Contained Unit: moz - Cutoff Grade: 137 - Cutoff Unit: g/t #### Prior Estimate - Resource Date: 2025-10-02 #### Metal Equivalent - Assumptions Disclosed: Yes #### Location - CRS: NAD83 UTM Zone 13N #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The measured resource provides a high-confidence base, but its foreign estimate status and relatively small scale temper its immediate impact. - Positive factor: Measured category indicates high confidence in the estimate. - Positive factor: High silver grade \(299 g/t\) is strong for a silver deposit. - Negative factor: The estimate is a foreign estimate \(NI 43-101\) and not yet JORC compliant, requiring further verification. - Negative factor: Relatively small tonnage \(0.09 Mt\) for the measured category. Evidence · table > 299 Context: 0.09 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-resource-facts-1) Shafter Silver Project · silver #### Identity - Project: Shafter Silver Project - Commodity: silver - Region: usa - Reported Region: Texas, United States of America - Ticker: BKB #### Resource scope - Estimate type: resource - QP Signed: No - Resource group id: resource:df84958dca7a845da925 - Mining method: combined #### Resource Data - Category: indicated - Tonnes: 1010000 - Grade: 314 - Grade Unit: g/t - Contained Metal: 10.17 - Contained Unit: moz - Cutoff Grade: 137 - Cutoff Unit: g/t #### Prior Estimate - Resource Date: 2025-10-02 #### Metal Equivalent - Assumptions Disclosed: Yes #### Location - CRS: NAD83 UTM Zone 13N #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The indicated resource represents a substantial portion of the project's silver endowment, but its foreign estimate status means it requires JORC conversion for full market acceptance. - Positive factor: Significant indicated tonnage \(1.01 Mt\) and contained silver \(10.17 Moz\) provide a strong foundation. - Positive factor: High silver grade \(314 g/t\) is strong for a silver deposit. - Negative factor: The estimate is a foreign estimate \(NI 43-101\) and not yet JORC compliant, requiring further verification. Evidence · table > 314 Context: 1.01 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-resource-facts-2) Shafter Silver Project · silver #### Identity - Project: Shafter Silver Project - Commodity: silver - Region: usa - Reported Region: Texas, United States of America - Ticker: BKB #### Resource scope - Estimate type: resource - QP Signed: No - Resource group id: resource:aba2b5292dbdbdd5549a - Mining method: combined #### Resource Data - Category: inferred - Tonnes: 790000 - Grade: 256 - Grade Unit: g/t - Contained Metal: 6.51 - Contained Unit: moz - Cutoff Grade: 137 - Cutoff Unit: g/t #### Prior Estimate - Resource Date: 2025-10-02 #### Metal Equivalent - Assumptions Disclosed: Yes #### Location - CRS: NAD83 UTM Zone 13N #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: The inferred resource adds to the project's overall scale but carries lower confidence due to its category and foreign estimate status. - Positive factor: Good inferred tonnage \(0.79 Mt\) and contained silver \(6.51 Moz\) indicate future growth potential. - Negative factor: The estimate is a foreign estimate \(NI 43-101\) and not yet JORC compliant, requiring further verification. - Negative factor: Inferred category has lower geological confidence. Evidence · table > 256 Context: 0.79 #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### Fact 4 [Link to this fact](https://atlas-staging.minestarters.com/news/bkb-annual-report-to-shareholders--1c15357a-5c47-4dc2-a281-e65d409f0b01#fact-resource-facts-3) Shafter Silver Project · silver #### Identity - Project: Shafter Silver Project - Commodity: silver - Region: usa - Reported Region: Texas, United States of America - Ticker: BKB #### Resource scope - Reporting standards: ni\_43\_101, jorc - Resource group id: resource:2392ebe9c4e8770d7953 - Mining method: combined #### Resource Data - Grade: 3100 - Grade Unit: g/t #### Metal Equivalent - Assumptions Disclosed: Yes #### Location - CRS: NAD83 UTM Zone 13N #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: A peak silver grade of 3,100 g/t from surface sampling is an exceptional result, demonstrating high-grade potential and extending known mineralization. - Positive factor: Exceptional silver grade \(3,100 g/t\) from surface sampling indicates high-grade mineralization. - Positive factor: Results extend mineralization outside the existing foreign mineral resource base. Evidence · text > peak result of 3,100g/t Ag #### Tags used in scoring **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.