Energy Vault will release its third quarter 2025 earnings results followed by a conference call on November 10, 2025 at 4:30 p.m. ET

Energy Vault Holdings Inc. (NYSE: NRGV) ("Energy Vault" or the “Company”), a leader in sustainable, grid-scale energy storage solutions, reminds investors that the Company will be hosting a virtual Investor and Analyst Day on Wednesday, October 29, 2025, at 1:00 p.m. ET. To register for the virtual event please go to the link here. A webcast replay will be available two hours following the live presentation and will be accessible for 90 days.

Energy Vault will also release its earnings results for the third quarter ended September 30, 2025 on Monday, November 10, 2025, followed by a conference call at 4:30 p.m. ET.

Investor & Analyst Day Overview

The event will showcase presentations from Energy Vault's senior leadership, featuring Chairman and CEO Robert Piconi, alongside Chief Financial Officer, Michael Beer. The executive team will offer insights on Asset Vault, Energy Vault's wholly owned subsidiary focused on the global development, construction, ownership, and operation of energy storage assets. The management team will also discuss strategic growth plans as the Company leverages Asset Vault to build and manage an expanding portfolio of contracted and operational storage projects.

Recently launched with the backing of a $300 million preferred equity investment from Orion Infrastructure Capital (“OIC”), Asset Vault creates a vertically integrated ecosystem that captures value across the entire energy storage lifecycle. The platform combines Energy Vault's proven operational expertise with long-term asset ownership to generate predictable, recurring and high-margin cash flows. With the launch of Asset Vault, Energy Vault is positioned to accelerate deployment of +1.5GW in attractive priority markets and upper-tier IRR projects.

Third Quarter 2025 Earnings Call Details

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 Monday, November 24, 2025. Participants may access the replay at 1-844-512-2921, international callers may use 1-412-317-6671 and enter access code 13756385. 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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