A replay of the call will be available via the web at http://investors.essinc.com/. About ESS, Inc. Exhibit 99.1 ESS Tech, Inc. Announces First Quarter 2024 Financial Results Q1 Revenue of 2.7MillionPartneredwithSapelePowertoSupplyLDESinAfricaCompletedTestingofFirstEnergyCenterforPortlandGeneralElectricOrderedSecondPowerModuleAutomationLinewith4089 million; Expected to Carry ESS Well Into H1'25 WI ...