ESS Tech(GWH) - 2023 Q4 - Annual Results

Exhibit 99.1 ESS Tech, Inc. Announces Fourth Quarter and Full Year 2023 Financial Results Lowered Q4 Adjusted EBITDA loss by More Than 50% year over year Exited 2023 with Cash and Short-Term Investments over $100 million; Expected to Carry ESS Well Into H1'25 Delivered First Energy Warehouses to Honeywell Energy Warehouse manufacturing cost lowered by 60% in 2023 Target 40% 2024 EW Cost Reduction to Achieve non-GAAP Gross Margin Profitability WILSONVILLE, OREGON – March 13, 2024 – ESS Tech, Inc. ("ESS," "ES ...