144 0001805808 XXXXXXXX LIVE 0001828536 Energy Vault Holdings, Inc. 001-39982 4165 East Thousand Oaks Blvd., Suite 100, Westlake Village, CA 91362 805-852-0000 SoftBank Vision Fund (AIV M2) L.P. 10% Stockholder Common Stock Citigroup Global Markets Inc.

388 Greenwich Street, 17th Floor New York, NY 10013

3000000 18090000.00 167790003 01/15/2026 NYSE Common Stock 02/11/2022 Acquired upon the automatic conversion of preferred stock immediately prior to the consummation of the Issuer's business combination. The preferred stock was acquired and fully paid for in multiple transactions from July 2019 to September 2021. Issuer N 16035631 09/30/2021 Cash Common Stock 02/11/2022 Acquired through a private investment in public equity (PIPE) transaction in connection with the consummation of the Issuer's business combination. Issuer N 2500000 02/11/2022 Cash Y 01/15/2026 /s/ Amanda Sanchez-Barry, General Counsel