Long Duration Energy Storage Systems for a Cleaner Future

ESS is Winning in the Market Today Use Case Customer in California Microgrid solutions required to mitigate Public Safety Power Shutdown impacts ■Li-Ion solutions disqualified due to wildfire risk Why ESS Won Energy Warehouse™ deployed Best-in-class safety record Participates in CAISO Provides local utility grid support during non-PSPS months Use Case Customer in Patagonia ■ Remote grid served by RoR hydro + diesel gensets Storage systems required to minimize genset usage Why ESS Won 300 kW/2 MWh Energy Warehouse™ deployed ■ Client abandoned Li-ion RfP after recognizing ESS' 3x greater peaker replacement capability $3.1M incremental savings over Li-Ion Avoids 12 years of diesel genset emissions INC ESS EW 1000 CONFIDENTIAL RESSINC

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