Investor Presentaiton

Unique Solution and Product Architecture Modular open stack design maximizes solution breadth and flexibility Diversified portfolio Technology-neutral Hardware + Software + Services Short + Long + Ultra Long Duration ENERGY VAULT Enabling a Renewable World SERVICES SOFTWARE HARDWARE H-VAULT G-VAULT LONG-TERM SERVICE OFFERING VAULT-BIDDER VAULT MANAGER VAULT-OS LONG-TERM SERVICE OFFERING VAULT-BIDDER VAULT-MANAGER VAULT-OS B-VAULT VAULT-X 32023 ENERGY VAULT HOLDINGS INC. ALL RIGHTS RESERVED. MAXIMIZE UPTIME MAXIMIZE NET REVENUES MINIMIZE MAINTENANCE COSTS AND OPTIMIZE PERFORMANCE MONITOR AND CONTROL THE ESS ENSURE BEST FIT/LEAST COST GENERATION © ENERGY VAULT - ALL RIGHTS RESERVED - CONFIDENTIAL

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