o Tung Chemical Corp. announced management changes on behalf of its subsidiary, Jintung Petrochemical Co. Ltd.: Elected or changed position: Institution director, Institutional supervisor; Title, name and resume of the previous position holder: The juristic-person director, You Jye Yang, Paotze Investment Limited, The juristic-person director, Ming Chih Kuo, Paotze Investment Limited, The juristic-person supervisor, Ta Sheng Lin, Paotze Investment Limited; Title, name and resume of the new position holder: The juristic-person director,Yi Ju Chen, Paotze Investment Limited, The juristic-person director,Hsien Cheng Chen, Paotze Investment Limited, The juristic-person supervisor,Jen Pin Cheng, Paotze Investment Limited; Circumstances of change: Dismissal; Effective date of the new appointment: June 11, 2021.