Energy Vault Announces Closing of Upsized $150 Million Convertible Note and Improved Cost of Capital with Repayment of $45 Million in Existing Higher-Cost Convertible Debentures

WESTLAKE VILLAGE, Calif.–(BUSINESS WIRE)–Energy Vault Holdings, Inc. (NYSE: NRGV) (“Energy Vault” or the “Company”), a global leader in sustainable grid-scale energy storage and AI power infrastructure, announced the closing of an upsized $150 million financing in convertible senior notes (versus the initially announced $125 million offering), strengthening its balance sheet and supporting continued execution of its own-and-operate strategy. In connection with the closing of the Notes, the Co