LG Chem Ltd. swung to a third-quarter net loss of 600 billion won (US$446.9 million), from a net profit of 447.3 billion won in the same period in 2025, as interest expenses and foreign-exchange translation losses totaled 1.2 trillion won. Revenue increased 34% to 15.49 trillion won, while operating profit fell 17.4% to 561.2 billion won. The operating result was 14.2% below the average estimate in a Yonhap Infomax survey, while no net-profit estimate was available. The petrochemical division recorded an operating loss of 175.6 billion won, whereas advanced materials and life sciences remained profitable. LG Chem forecast possible fourth-quarter pressure from higher oil prices, Middle East geopolitical tensions and scheduled maintenance at its No. 1 naphtha cracking center in Yeosu. For January through September, the company posted a net loss of 1.31 trillion won and operating profit of 1.11 trillion won, while sales rose 16% to 41.9 trillion won.