Barksdale Resources Defines Continuous Hypogene Copper Mineralization to Over 1,000 Metres Depth and Plans 15,240-Metre Fall 2026 Core Program

About this update from Barksdale Resources Corp.

Vancouver, British Columbia--(Newsfile Corp. - June 11, 2026) - Barksdale Resources Corp. (TSXV: BRO) (OTCQB: BRKCF) (FSE: 2NZ) ("Barksdale" or the "Company") is pleased to report that drilling at the Sunnyside Property has completed 19 holes for a total of 20,005 feet, testing the near surface hypogene chalcocite targets along with extensions of the silver rich World's Fair and January-Norton mine structure and vein-hosted mineral systems. The Company expects the Phase II drill program to be completed by early July 2026. Continuous Copper Mineralization for Over 1,000 Metres Depth Figure 1 shows copper and silver results from the Company's news release of May 4, 2026, along the A-A" section line. Together with historical results from ASARCO hole TM-8, mineralization reported in SUN26-001R and SUN26-002R demonstrates more than 1,000 metres of continuous vertical copper mineralization. "The current drill program is focused on exploring and testing near-surface targets to depths of up to 450 metres (1,500 ft). These targets will be further evaluated and defined this fall as part of a 15,240 metre (50,000 ft) drill program," said CEO William Wulftange. "We are sending statements of work to several drill companies interested in bidding on the project and expect to begin the program in late Q3 or early Q4, 2026. The goal of this program will be to extend the near-surface copper to depth and define the lithologic and structural components within the deposit." Sunnyside Drill Program Progress The Spring 2026 drill program has focused on retesting mineralized zones previously identified by ASARCO beginning with the historical "BB" drill hole locations where 10 holes were completed (referred to as the Triple C target in the prior press release). The rig then moved to the north 650 metres and drilled to the NE, SE, S and SW, completing four holes to test mineral continuity. The rig was then moved approximately 300 metres to the south where four holes were drilled vertically and to the SW and W, again testing mineral continuity. Our final platform is located an additional 400 metres to the southwest where we will drill an additional four or five holes to complete the Phase II drill program by late June/early July (Figure 2), and complete the required 25,000ft of drilling to increase the Company's own...

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