SIM Technology Group Limited announced that, with effect from 22 December 2020, Mr. Liu Jun ("Mr. Liu") has resigned as chief executive officer of the Group due to re-designation of work. With effect from 22 December 2020, Mr. Gao Jun has been appointed as chief executive officer of the Group in replacement of Mr. Liu. Mr. Gao worked for Shenzhen Huawei Technology Co. Ltd. for 18 years. From 1995 to 2003, he worked in various capacities as customer manager of Huawei's Nanjing office, representative of Huawei's offices in Tianjin, Yinchuan, Lanzhou, Xian and Wuhan, general manager of northwest area and director of domestic marketing planning department. He worked as the group vice president of Kangde Xin Composite Material Group Co. Ltd. from 2018 to 2019.