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Program Averages 61.7 g/t Silver with Individual Results up to 810 g/t; Metallurgical Test Work and Mineral Resource Modelling Underway

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VANCOUVER, British Columbia, Sept. 08, 2026 (GLOBE NEWSWIRE) — Brixton Metals Corporation (TSX-V: BBB, OTCQX: BBBXF) (the “Company” or “Brixton”) is pleased to report results from all 85 sonic drill holes completed in the 2026 maiden tailings characterization program at its wholly owned Langis Silver Project, located in the Cobalt silver mining camp of Ontario, Canada (Figure 1). Every hole returned silver mineralized tailings material. Grades average 61.7 g/t silver on a length-weighted basis across 119.5 m of tailings intersected, with individual results up to 810 g/t silver. The consistency of the grade profile from hole to hole across the mapped tailings extent supports the Company’s objective of defining a maiden Mineral Resource Estimate (“MRE”) and advancing a Recovery and Remediation Plan under Ontario’s Recovery of Minerals regime. Metallurgical test work and resource modelling are underway.

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Highlights

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Maiden tailings drill program results, Langis Silver Project:

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  • 85 sonic drill holes completed over the mapped tailings extent; all 85 holes returned silver-mineralized tailings material.
  • Highest-grade result of 311.7 g/t silver over 1.53 m in LT-26-051, including 810 g/t silver over 0.50 m; six holes returned average grades above 100 g/t silver.
  • Length-weighted average grade of 61.7 g/t silver over 119.5 m of tailings drilled; 77 of the 85 holes returned between 40 g/t and 90 g/t silver.
  • Consistent grade profile from hole to hole across the tailings, indicating strong spatial and grade continuity for resource estimation.
  • Metallurgical test work and Mineral Resource Estimate modelling are underway.
  • Follow-up characterization planned for other areas together with additional auger testing to define the limits of the tailings and other accumulations elsewhere on the property.
  • Tailings are situated within an established mining district served by highway and rail access and power.

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Gary R. Thompson, Chairman and CEO, stated: “The hallmark of the Langis tailings is uniformity. Hole after hole returned mineralized material at a remarkably consistent silver grade, and that consistency is precisely what a maiden resource estimate requires. With all 85 holes now reported, our technical teams have moved directly into metallurgical test work and resource modelling. Langis sits in a well-serviced mining district in Canada, with highway, rail access and power, which is a meaningful advantage for any future recovery and reprocessing operation. That is the opportunity we see here: near-term cash flow potential from material already sitting at surface, on private lands, with power and road access.”

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Figure 1. Location of Brixton Metals’ Langis and Hudson Bay Projects and the surrounding regional infrastructure.

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Maiden Tailings Drill Program Results

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The 2026 program comprised 85 sonic drill holes distributed across the mapped extent of the historic tailings on a nominal 40 m by 40 m grid (Figure 2), with an average nearest-neighbour collar spacing of approximately 37 m. All 85 holes returned mineralized tailings material, for a total of 119.5 m of tailings intersected. Individual holes intersected between 0.09 and 3.70 m of tailings material, averaging 1.41 m, with each hole sampled over the full tailings thickness, from the base of the superficial organic cover to the underlying bedrock or clay contact. The length-weighted average grade across the program is 61.7 g/t silver, with a median hole grade of 56.0 g/t silver. Individual hole averages range from 37.6 g/t to 311.7 g/t silver. The grade distribution is tightly clustered: 83 of the 85 holes returned 40 g/t silver or better, and 77 of the 85 fall between 40 g/t and 90 g/t silver. Excluding the single highest hole, the coefficient of variation of hole grades is 0.35, which is low for a maiden characterization program and supports straightforward domaining and grade estimation in the Mineral Resource Estimate now in progress.