Big Tree Carbon Inc. Completes UAV Magnetometry Survey at Richardson Lake Gold Property

Toronto, Ontario — November 11, 2026 — Leads & Copy — Big Tree Carbon Inc. has successfully completed an unmanned aerial vehicle (UAV) magnetometry survey of its Richardson Lake gold property. The indigenous-led mineral resource company based in Ontario, Canada, announced the completion of the survey, which covered all of Big Tree's 52 single cell mining claims totaling 891 hectares.

The survey was conducted by Pioneer Exploration Consultants Ltd. of Ottawa, Ontario, Canada, utilizing approximately 228 line-kilometres of airborne data. Flight lines were spaced at 50-metre intervals with perpendicular tie lines at 500-metre spacing. The flight lines were oriented north-south with an azimuth of 000°-180°.

Pioneer employed the Blackstone Hercules X4 Drone platform for the survey. The equipment included the airborne Gem Systems Canada GSMP-35U potassium vapour magnetometer, supported by a GSM-19 Overhauser magnetometer base station used for diurnal correction of the aeromagnetic data. The field crew commenced operations at Richardson Lake on November 6, 2026, concluding the survey on November 9, 2026, and demobilizing from the project site on November 10, 2026.

Project deliverables from Pioneer are anticipated within five to six weeks following the survey's completion. Big Tree Carbon Inc. plans to inform shareholders and the market of the program's results in a subsequent news release.

Big Tree Carbon Inc. is an indigenous-led publicly-traded mineral resource company headquartered in Ontario, Canada.

Source: Big Tree Carbon Inc.