Investor Presentaiton

18 Feasibility Study Results Opex (LoM Avg.) Results (Post-Tax) Capex Direct Indirect Contingency Owner's Cost Total 2019 FS Sensitivity Analysis $88.5M Price $1,056 $1,189 $1,321 $1,453 $1,585 $16.6M Updated FS Q4 '22 Avg. $5.5M $123.1M Sensitivity (Post-Tax) $17M $22M $27M $32M $37M FCF NPV 8% $64M $11 Updated FS Q4'22 206M $253M IRR 13.7% 17.6% 21.2% 24.6% 27.8% Direct $470/t Transport $38/t Total $508/t Avg. Selling Price $1,321/t NPV $159M 8% IRR Pay-Back Mine Life Source: 2016 Lola Feasibility Study 1. All monetary amounts in USD Updated FS Q4 '22 - усато 29 years Highlights Construction period of 14 months, followed by 3 months commissioning and 3 months ramp-up Simple, open pit mining of 1.4Mtpa of fresh saprolite rock Low LoM average strip ratio of 0.69 ◆ Processing flow sheet based on conventional flotation circuit Export route by road through Liberia Concentrate divided into 4 standard-size fractions (+48 mesh, -48 + 80 mesh, -80 +100 mesh, and -100 mesh) www.srgmining.com | TSX.V SRG Mining for tomorrow SRG Battery Minerals

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