South Atlantic Gold Acquires Additional 4.2k hectares of UAV Magnetic Survey Data and Appoints Mr. Matt Rees, P.Geo., as Technical Advisor to the Board

Executive Summary

• South Atlantic Gold acquired an additional 4,200 ha of UAV magnetic survey data (totaling 6,800 ha) for its Pedra Branca Project in Ceará State, Brazil.
• The company has begun re‑processing the full dataset with low‑latitude algorithms and integrating results into a Leapfrog™ 3D geological model to refine drill targeting.
• Matt Rees, P.Geo., former Chief Geologist of IAMGOLD, was appointed Technical Advisor to the Board, bringing over four decades of exploration experience.

Key Details

• UAV Data Acquisition: 4.2 kha new magnetic survey data added; cumulative UAV coverage now 6.8 kha across the Pedra Branca land package (≈48,000 ha).
• Data Re‑processing: Entire 6,800 ha dataset is being re‑processed using region‑specific low‑latitude algorithms to improve structural interpretation and highlight cross‑cutting magnetic anomalies.
• 3D Modeling Integration: Re‑processed data will be incorporated into the Leapfrog™ 3D geological model for enhanced target definition and depth continuity assessment.
• Technical Committee Role: Identified priority zones where magnetic anomalies align with geochemical trends and structural corridors; these areas are slated for follow‑up mapping, sampling, and potential drilling.
• Oxide Starter Concept Review: Historical metallurgical data are being evaluated to assess feasibility of a near‑surface oxide starter operation alongside deeper orogenic gold targets.
• Next Steps Planned:
• Complete magnetic re‑processing and QA/QC.
• Integrate results into Leapfrog™ for updated targeting.
• Conduct field validation (mapping, soil & stream‑sediment sampling).
• Review historic drill core for additional sampling opportunities.
• Define priority drill targets for the next exploration program at Pedra Branca.
• Technical Advisor Appointment: Matt Rees, P.Geo., appointed as Technical Advisor to the Board; former IAMGOLD Chief Geologist (2018‑2025) with >40 years of international exploration experience and active involvement in professional societies (SEG, MERC).

Notable Quotes

“We are excited to welcome Matt to our team. His 13 years of leadership at IAMGOLD, combined with his global exploration expertise will be invaluable as we advance Pedra Branca.” – Douglas Meirelles, President & CEO

Material Assessment: Non‑Material – Positive (operational progress and expert appointment enhance project outlook but do not constitute a material financial event).