HSINCHU, May 11, 2021 /PRNewswire-FirstCall/ -- ChipMOS TECHNOLOGIES INC. ("ChipMOS" or the "Company") (Taiwan Stock Exchange: 8150 and NASDAQ: IMOS), an industry leading provider of outsourced semiconductor assembly and test services ("OSAT"), today reported consolidated financial results for the first quarter ended March 31, 2021, with a new quarterly revenue record high, continued gross margin expansion and a 40.4% increase in net earnings compared to the fourth quarter ended December 31, 2020.