Barksdale Commences Fall 2026 Diamond Drill Program at Sunnyside

Barksdale launches a fully funded 8,000-meter diamond drill program at Sunnyside, targeting deeper copper zones.

What the company is saying

Barksdale Resources Corp. is announcing the start of its fall 2026 diamond drill program at the 67.5%-owned Sunnyside copper-zinc-lead-silver project in southern Arizona. The company emphasizes that the program is fully funded by a recently completed C$15.7 million private placement and that drilling began November 2, 2026. The narrative highlights the technical leap from prior reverse circulation drilling to deeper, oriented core drilling, aiming to test high-grade copper zones previously unreachable. President and CEO Chris Stewart frames the program as a critical step to unlock deeper mineralization and gather detailed geological data. The company details specific high-grade copper intercepts from the 2026 RC program, including intervals such as 12.19 meters of 1.45% Cu and 3.05 meters of 2.75% Cu, to underscore the project's potential. Barksdale also notes that all phase one drill sites are fully permitted and that QA/QC procedures are robust, with 6% of samples being controls. The announcement is technical in tone, focusing on operational progress and the next phase of exploration rather than promotional language.

What the data suggests

The company has secured C$15.7 million in new funding, enabling the launch of an 8,000-meter initial phase within a larger 16,000-meter diamond drill program at Sunnyside. Previous 2026 RC drilling intersected significant copper mineralization, including 12.19 meters of 1.45% Cu from 251 meters, 13.72 meters of 1.05% Cu from 274 meters, and 3.05 meters of 2.75% Cu at 314 meters in SUN26-001R. SUN26-002R returned 60.96 meters of 0.93% Cu and 60.96 meters of 0.90% Cu, with a higher-grade interval of 13.72 meters at 1.47% Cu at 302 meters. SUN26-003R included 12.19 meters of 1.04% Cu from 15 meters and 53.34 meters of 0.64% Cu from 7.62 meters. The RC program also demonstrated broad mineralized zones, such as 393.19 meters of 0.45% Cu from 3.05 meters in SUN26-002R. Historical ASARCO drilling reached 1,730 meters, with copper mineralization identified down to 1,689 meters, including 3.05 meters of 1.36% Cu at 491 meters, though this data is unverified. All reported intervals are drilled lengths, not true widths. QA/QC protocols are detailed, with 6% of samples as controls. The company has completed an airborne ZTEM geophysical survey, with final data expected by early December 2026. No resource estimate or economic assessment is disclosed, consistent with the project's exploration stage.

Analysis

The announcement is proportionate in tone, focusing on the commencement of a major diamond drill program at the Sunnyside project, funded by a recently completed C$15.7 million private placement. The majority of claims are realised and supported by specific operational and technical data, including detailed drill intercepts from the 2026 RC program, QA/QC procedures, and program design. Forward-looking statements are limited to the expected receipt of ZTEM geophysical survey data and the intent to test deeper targets, both of which are standard for an exploration-stage update and not exaggerated. There is no narrative inflation or overstatement of imminent value creation; the language is factual and technical. The capital intensity flag is set to true due to the significant private placement, but this is normal for a pre-revenue exploration company and is matched by immediate operational activity. No claims of resource size, economic value, or production are made, and there is no attempt to frame long-term benefits as near-term certainties.

Risk flags

• ●Operational risk is present as the success of the diamond drill program depends on intersecting additional high-grade copper zones at depth; previous RC drilling was unable to reach these targets due to technical limitations and water inflows.
• ●Disclosure risk exists because the historical ASARCO drill data, including the deepest intercepts, has not been verified by the company's Qualified Person, limiting confidence in the continuity and extent of mineralization at depth.
• ●Exploration risk is inherent, as all reported intervals are drilled lengths and true widths are unknown, meaning the actual size and geometry of mineralized zones remain to be established.
• ●Financial risk is mitigated in the short term by the recent C$15.7 million private placement, but longer-term funding needs will depend on future exploration outcomes and market conditions.
• ●Permitting and environmental risk is partially addressed by the use of already-approved drill sites, but further expansion or development could require additional approvals and community engagement.

Bottom line

Barksdale Resources has begun a fully funded, 8,000-meter diamond drill campaign at its Sunnyside project, targeting deeper copper mineralization that previous RC drilling could not access. The company is building on strong RC intercepts, such as 12.19 meters of 1.45% Cu and 3.05 meters of 2.75% Cu, but all intervals are drilled lengths and true widths are not yet known. The program is technically robust, with detailed QA/QC and all necessary permits in place for phase one. Imminent catalysts include the release of ZTEM geophysical survey results by early December 2026 and initial diamond drill assays in the following months. Investors should focus on whether the new drilling confirms continuity and scale of high-grade copper at depth, as this will determine the project's future value. The most important takeaway is that Barksdale is now positioned to deliver meaningful exploration results in the near term, but resource size, geometry, and economic viability remain unproven.

Announcement summary

(TSXV:BRO) (OTCQB:BRKCF) (FSE:2NZ) Barksdale Resources Corp. announced the commencement of its fall 2026 diamond drill program at its 67.5%-owned Sunnyside copper-zinc-lead-silver project in the Patagonia mining district of southern Arizona. The Program began on November 2, 2026, and is funded from the Company's recently completed C$15.7 million private placement. The initial phase of the planned 16,000-meter diamond drill program will comprise approximately 8,000 meters (~26,250 feet) of drilling. The diamond drill core will test targets beyond the reach of the 2026 reverse circulation (RC) rig, including deeper portions of the porphyry system. The program will follow up on high-grade copper intercepts from the 2026 RC program, including SUN26-001R: 12.19 meters of 1.45% Cu from 251 meters, 13.72 meters of 1.05% Cu from 274 meters, and 3.05 meters of 2.75% Cu at 314 meters; SUN26-002R: 60.96 meters of 0.93% Cu and 60.96 meters of 0.90% Cu including 13.72 meters of 1.47% Cu at 302 meters; and SUN26-003R: 12.19 meters of 1.04% Cu from 15 meters. Phase one holes are located on drill sites approved under the Project's existing Plan of Operations. The 2026 RC drilling intersected copper mineralization from near surface to a drilled depth of approximately 450 meters (SUN26-001R). Historical ASARCO drill hole TM-8 was completed to a drilled depth of 1,730 meters, with copper mineralization identified down to 1,689 meters, including 3.05 meters of 1.36% Cu at 491 meters. The historical ASARCO data has not been verified by the Qualified Person. The Program is designed to follow up on high-grade copper intercepts, extend mineralization to depth, and define lithological and structural controls. Additional intercepts include SUN26-001R: 39.62 meters of 0.95% Cu from 248.41 meters, including 12.19 meters of 1.45% Cu; SUN26-002R: 60.96 meters of 0.90% Cu and 60.96 meters of 0.93% Cu including 13.72 meters of 1.47% Cu at 302 meters; and SUN26-003R: 53.34 meters of 0.64% Cu from 7.62 meters, including 12.19 meters of 1.04% Cu. The 2026 RC program intersected broad zones of copper mineralization with higher-grade intervals, including 60.96 meters of 0.93% Cu and 60.96 meters of 0.90% Cu within 393.19 meters of 0.45% Cu from 3.05 meters in SUN26-002R. The Company has completed an airborne ZTEM geophysical survey over the Sunnyside and Four Metals properties, with final data and reporting expected by early December 2026. The 2026 RC results are from drill holes SUN26-001R, SUN26-002R, and SUN26-003R, with samples averaging approximately 5 kilograms collected at 1.52 meter intervals and analyzed by Skyline Assayers & Laboratories. Certified reference materials, blanks, and field duplicates were inserted at a combined rate of approximately 6% of samples. The scientific and technical information was reviewed and approved by Alan Roberts, CPG (AIPG #11260), Vice President, Exploration of the Company and Qualified Person as defined by NI 43-101. The Company holds the historical ASARCO drill core and is reviewing some of the core to reassess potential alteration and mineralization. Barksdale is also advancing the 100%-owned San Antonio copper project in the Patagonia mining district of southern Arizona and the 100%-owned San Javier copper-gold project in central Sonora, Mexico.

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