Formosa Optical Technology Co. Ltd. announced earnings results for the first quarter ended March 31, 2019. For the first quarter, the company announced sales was TWD 802.522 million compared to TWD 740.544 million a year ago. Operating income was TWD 50.109 million compared to TWD 37.480 million a year ago. Net income was TWD 74.378 million compared to TWD 33.331 million a year ago. Basic earnings per share was TWD 1.24 compared to TWD 0.55 a year ago. Diluted earnings per share was TWD 1.23 compared to TWD 0.55 a year ago.