Exhibit 99.1 1 Daqo New Energy Announces Unaudited Fourth Quarter and Fiscal Year 2023 Results Shanghai, China—February 28, 2024—Daqo New Energy Corp. (NYSE: DQ) ("Daqo New Energy," the "Company" or "we"), a leading manufacturer of high-purity polysilicon for the global solar PV industry, today announced its unaudited financial results for the fourth quarter and fiscal year of 2023. Fourth Quarter 2023 Financial and Operating Highlights ● Polysilicon production volume was 61,014 MT in Q4 2023, compared to 5 ...