TTET Union Corporation announced that the change of board of directors. Title, name and resume of the previous position holder: Director: TTET Union Corporation Representative - Mr. Wu, Liang-Feng Director: TTET Union Corporation Representative - Mr. Chen, Chao-Liang Director: TTET Union Corporation Representative - Mr. Chi, Ching-Hsu. Title, name and resume of the new position holder: Director: Wu Liang-Feng, TTET Union Corporation Representative; Chairman of the Board, Master Channels Corporation Director: Chen Chao-Liang, TTET Union Corporation Representative; General Manager, TTET Union Corporation Director: Chi, Ching-Hsu, TTET Union Corporation Representative; General Manager, Master Channels Corporation, effective date of the new appointment on May 18, 2021.