Joint Filing Agreement
Exhibit A
The undersigned agree that this Schedule 13G, and all amendments thereto, relating to the Class A common stock of Energy Vault Holdings, Inc. shall be filed on behalf of the undersigned.
▇▇▇▇▇▇▇ INTERNATIONAL FUND LTD.
By: ▇▇▇▇▇▇▇ Management LP, its Investment Manager
By: ▇▇▇▇▇▇▇ ▇▇ LLC, its General Partner
By: ______________________________
Name:
Title:
▇▇▇▇▇▇▇ MANAGEMENT LP
By: ▇▇▇▇▇▇▇ ▇▇ LLC, its General Partner
By: _____________________________
Name:
Title:
▇▇▇▇▇▇▇ ▇▇ LLC
By: ______________________________
Name:
Title:
▇▇▇▇▇▇▇ WORLDWIDE FUND LTD.
By: Old Bellows Partners LP, its Investment Manager
By: Old Bell Associates LLC, its General Partner
By: ______________________________
Name:
Title:
OLD BELLOWS PARTNERS LP
By: Old Bell Associates LLC, its General Partner
By: ______________________________
Name:
Title:
OLD BELL ASSOCIATES LLC
By: ______________________________
Name:
Title:
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Dev ▇▇▇▇▇▇
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Dated: August 14, 2026