Investor Presentation

Σ Energy Generated Σ Energy Demands Lifetime: Maximizes Energy Balance Extreme Energy Balance Baseline 70 Ambitious 60 60 50 40 40 Energy Balance [Unitless] 10 0 30 PV_ICE PERC THS TOP Con Low Quality Long-Lived High Eff Circular High Eff + Long-life Long-Life + Recycling Recycled-Si + Long-life Circular + Long-life Circular + High Eff Lifetime improves energy balance Lifetime +Reuse OR +Efficiency maximizes energy balance Efficiency Lifetime Material Circularity COLORADO SCHOOL OF MINES ONREL 19

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