INVESTOR DAY 2026 Back River Gold District 73 Source: B2Gold Corporate Presentation January 2026. Producing B2GOLD CORP Goose mine exploration: open at depth Opportunities Flotation/concentrate leach process Expand throughput capacity to 6 ktpd — evaluating installation of a SAG mill to be paired with existing 4 ktpd ball mill Evaluating alternative underground mining methods & potential to exceed planned production rates from Umwelt underground and reduce costs