Eos Energy Results Presentation Deck

Discrete Operations Semi-Automation State-of-art- Manufacturing Operational Scale & Capacity A Disciplined Approach to Capacity Expansion Iterative learning process to deliver capital efficient state-of-the-art manufacturing Goal 8 1 DAKE 2 3 SOOVRE EXTOL DONCLER B Move from prototype / lab I 1 scale to discrete manufacturing Optimize design Develop processes Low to medium scale production Optimize processes and quality Reduce cost Production at scale Labor optimization Product cost-out + + + + Challenges Cell spacing Bi-polar plate flatness Lid weld integrity and durability Manual operations top scrap driver + Single piece bi-polar production + Learnings + Implement hot plate welding Identify bottlenecks & improve material flow + Controlled workforce ramp-up with experienced workers on critical operations Acro on-site to capture critical lessons learned & incorporate into line design Impact/Successes 50% fewer parts in design 25% savings on injection molded parts Mitigate automation risk Mitigate automation risk Decreased scrap below 5% 5.5x cube production increase in October Faster implementation Lower redesign risks Potential capex savings eos

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