Korea Gas Corp. on Tuesday reported its 2023 net loss of 747.4 billion won (US$561.6 million), swinging from a profit of 1.49 trillion won a year earlier.The company said in a regulatory filing that operating income for the year fell 36.9 percent on-year to 1.55 trillion won. Annual sales decreased 13.9 percent to 44.55 trillion won.Source: Yonhap News Agency