Investor Presentaiton

Exponential growth fueled by the tech-neutral solutions approach validated by largest utilities and IPPS - 40% growth q/q in the most recent Q1 2023 results in Project Awards and overall near term Sales Funnel " SHORT-LISTED SUBMITTED PROPOSALS 27.8 GWh 2.7 GWh Potential Bookings Potential Bookings FLOW THROUGH AWARDED 6.4 GWh Potential Bookings -$12B -$720M -$2.5B Approx. 50% BESS/ " Firm offer submitted " GESS mix Short-listed following competitive bid Contract negotiations • LOI / Firm commitments • Contract awarded ⚫ Final contract negotiations 935 MWh to be deployed in 2023 BOOKED ORDERS 1,635 MWh Bookings $540M Signed contracts to be deployed & executed license agreements Jupiter POWER 2023 Financial Guidance Supported by 1,635 MWh of booked orders and 6.4 GWh of awards Total Signed Contracts & Awards are approximately 8 GWh, representing more than $3B of potential revenue enel Green Power NVEnergy PG&E ENERGY VAULT © 2023 ENERGY VAULT HOLDINGS INC. ALL RIGHTS RESERVED WELLHEAD Enabling a Renewable World 5 LO

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