Investor Presentaiton

Battery Grade Lithium Carbonate Consistently Produced LAKE RESOURCES Concentrate Assay Range Typical Concentrate Assay Range ■The Kachi DLE produces a concentrate with 11X the lithium feed concentration 55 Higher lithium concentration minimizes downstream costs to produce Li2CO3 Feed Element Unit Brine Li mg/l 205.3 DLE Lithium Concentrate 2,266 B mg/l 465.6 2 Na mg/l 108,617 3,238 Mg mg/l 3,585 245.9 Sr mg/l 6,378 Cl mg/l 171,410 42.9 17,652 K mg/l 5,976 157.3 Ca mg/l 605.8 1777.2 Mn mg/l 12.2 0 Fe mg/l 14.4 Sr mg/l 24.1 7 Ва mg/l 12 The Li in Kachi concentrate is 40% more concentrated than adsorption DLE Smaller downstream equipment Less energy to process Proven by 10-months Demo Plant operations and 200,000 liters of concentrate produced Lithium Carbonate Produced from Kachi Concentrate 120,000 liters of concentrate was processed to produce 1300 kg of >99.5% Li₂CO3 - the largest known DLE to carbonate test program Source: Data taken from Ausenco Feasibility Study (Dec-2019), Corem 29

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