Princeton Technology Corp. announced earnings results for the first quarter ended March 31, 2019. For the first quarter, the company announced sales was TWD 255.939 million compared to TWD 198.051 million a year ago. Operating income was TWD 31.858 million compared to TWD 37.647 million a year ago. Net loss was TWD 5.637 million compared to TWD 28.281 million a year ago. Basic loss per share was TWD 0.03 compared to TWD 0.16 a year ago.