 WILSONVILLE, Ore.--BUSINESS WIRE--ESS Tech, Inc. ESS, ESS Inc. NYSE:GWH, a U.S. manufacturer of long-duration batteries for utility-scale and commercial energy storage applications, announced today that it will hold a conference call on Thursday, May 12, 2022 at 5:00 p.m. EDT to discuss financial results for its first quarter 2022 ended March 31, 2022. The news release announcing the first quarter 2022 financial results will be disseminated on May 12, 2022 after the market closes. Int 