Eos Energy Results Presentation Deck

5 Highlights Developing World Class Partnerships Positioning the Company for long-term success Building Government Support ARIMENT OF E OF AMER Department of Energy STATE OF CALIFORNIA California Energy Commission ENERGY COMMISSION Extensive Due Diligence CALIFORNIA ENERGY COMMISSION Received $399M conditional loan guarantee commitment First Title XVII non-lithium- ion battery manufacturer with conditional loan guarantee commitment Working with CEC since 2014 to utilize Eos Zynth technology Awarded grants / awards in 2014, 2016, 2021, & 2022 Developing Robust Customer Base 3 Major US Utilities ☀ A Blue Chip Customers Duke Energy US Large Utility Dominion Energy ADA ✓ Installed Gen 2.0 pilot project Shipped Z3 en cubes for small commercial project First pilot project (47 MWh) scheduled in 2024 Customer DOE grant application to test Z3 use cases 4 GWh conditional frame agreement 16 MWh pilot project to test longer duration storage Opportunity to showcase Z3 batteries Expanding Strategic Partnerships ACRO Resin MADE IN U.S.A. Foundation to Scale Acro Automation Systems Electrolyte Graphitized Felt ✓ Design, build, and commission state-of-the-art manufacturing lines Develop process capability & world class manufacturing Finalizing long-term supply agreements North American supply chain from raw material to finished product Implementing an integrated strategy from pan fiber to felt eos

View entire presentation