Energy Vault Holdings, Inc. (NYSE:NRGV) ("Energy Vault" or "the Company"), a global leader in sustainable, grid-scale energy storage solutions and AI compute infrastructure solutions, announced today that the Company will release its earnings results for the first quarter ended March 31, 2026 on Tuesday, May 5, 2026 followed by a conference call at 4:30 PM ET.

Participants may access the call at 1-877-704-4453, international callers may use 1-201-389-0920, and request to join the Energy Vault Holdings earnings call. A live webcast will also be available at https://investors.energyvault.com/events-and-presentations/events.

A telephonic replay of the call will be available shortly after the conclusion of the call and until Tuesday, May 19, 2026. Participants may access the replay at 1-844-512-2921, international callers may use 1-412-317-6671 and enter access code 13759760. An archived replay of the call will also be available on the investors portion of the Energy Vault website at https://investors.energyvault.com/.

About Energy Vault

Energy Vault^® develops, deploys and operates utility-scale energy storage solutions designed to transform the world's approach to sustainable energy storage. The Company's comprehensive offerings include proprietary battery, gravity and green hydrogen energy storage technologies supporting a variety of customer use cases delivering safe and reliable energy system dispatching and optimization. Each storage solution is supported by the Company's technology-agnostic energy management system software and integration platform. Unique to the industry, Energy Vault's innovative technology portfolio delivers customized short, long and multi-day/ultra-long duration energy storage solutions to help utilities, independent power producers, and large industrial energy users significantly reduce levelized energy costs while maintaining power reliability. Since 2024, Energy Vault has executed an "Own & Operate" asset management strategy developed to generate predictable, recurring and high margin tolling revenue streams, positioning the Company for continued growth in the rapidly evolving energy storage asset infrastructure market. Please visit www.energyvault.com for more information.

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Investors:

energyvaultIR@icrinc.com

Media:

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Energy Vault Schedules Conference Call to Discuss First Quarter 2026 Financial Results