Eos Energy Investor Presentation Deck

Path to Profitability 2024 Strategic Outlook Recap Positioning to capture larger, longer duration energy storage opportunities 22 2030 TAM 510-650 GWh 30%-70% increase vs 2021 projections Z3 Cost-Out 80% 30% achieved 50% in progress Project AMAZE ✓ Budget Acceleration incentives in place Operating Expenses Flat Lowest in select peer group ● Capital Update Phase 1-State-of-the-art Line 1 Multiple opportunities available Pursuing structured debt and/or equity Phase 2 - Achieve Profitability Anticipated DOE loan closing and funding eos.

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