Seoul: Samsung SDI Co. on Monday reported its 2025 net loss of 584.9 billion won (US$400.8 million), shifting from a profit of 575.5 billion won a year earlier. The company said in a regulatory filing that it posted an operating loss of 1.72 trillion won for the year, compared with a profit of 363.3 billion won from the previous year. Annual sales fell 20 percent to 13.26 trillion won.

According to Yonhap News Agency, the significant financial downturn marks a challenging year for Samsung SDI, which had previously enjoyed profitability. The regulatory filing highlights a stark contrast in the company's financial health compared to the prior year, reflecting substantial operational challenges.