KEPCO Engineering and Construction Co. on Friday reported its first-quarter net profit of 8.6 billion won (US$6.3 million), down 2.3 percent from a year earlier.Operating profit for the January-March period was 9.1 billion won, down 9.2 percent from a year ago, the company said in a regulatory filing. Sales rose 17.7 percent to 127.6 billion won.Source: Yonhap News Agency