Eos Energy Investor Presentation Deck

Strategic Framework Project AMAZE Capacity Expansion Plan Update Forecasted spend currently below budget with focus on accelerating implementation plan 7 ACRO MADE INU.S.A. A Faster Line Implementation + Additional controls engineering resources - $500K + Prototype work-hold, part presentation, and dunnage Deliver Under Budget + Higher line capacity at same capex spend + + Expected ~60 – 70% line 1 shakedown costs vs. plan De-risk Line Implementation FAT at ACRO to lower execution risks + SAT acceleration incentives in place eos.

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