ESS Tech, Inc. (“ESS,” “ESS Inc.”) (NYSE:GWH), a leading manufacturer of long-duration energy storage systems (LDES) for commercial and utility-scale applications, today announced that it will hold a conference call on Wednesday, November 13, 2024 at 5:00 p.m. EST to discuss financial results for its third quarter 2024 ended September 30, 2024.

The news release announcing the third quarter 2024 financial results will be disseminated on November 13, 2024 after the market closes.

Interested parties may join the conference call beginning at 5:00 p.m. EST on Wednesday, November 13, 2024 via telephone by calling (833) 470-1428 in the U.S., or for international callers, by calling +1 (404) 975-4839 and entering conference ID 385282. A telephone replay will be available until November 20, 2024, by dialing (866) 813-9403 in the U.S., or for international callers, +1 (929) 458-6194 with conference ID 356245. A live webcast of the conference call will be available on ESS’ Investor Relations website at http://investors.essinc.com/.

A replay of the call will be available via the web at http://investors.essinc.com/.

About ESS, Inc.

ESS Inc. (NYSE: GWH) is the leading manufacturer of long-duration iron flow energy storage solutions. ESS was established in 2011 with a mission to accelerate decarbonization safely and sustainably through longer lasting energy storage. Using easy-to-source iron, salt, and water, ESS iron flow technology enables energy security, reliability and resilience. We build flexible storage solutions that allow our customers to meet increasing energy demand without power disruptions and maximize the value potential of excess energy. For more information, visit www.essinc.com.

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