Seoul: SK IE Technology Co. on Wednesday reported its fourth-quarter net loss of 130.6 billion won (US$91.9 million), remaining in the red compared with a year ago. The company continued to struggle financially, as outlined in its recent regulatory filing. According to Yonhap News Agency, SK IE Technology Co. also posted an operating loss of 75.7 billion won for the October-December period, compared with a loss of 91.9 billion won a year earlier. The company's sales fell by 29.4 percent to 41.8 billion won. The operating loss was also noted to be 19.7 percent higher than the average estimate, based on a survey conducted by Yonhap Infomax, the financial data firm of Yonhap News Agency.