United Microelectronics Corporation Announces Change of Chief Internal Auditor from Angel Sun to Vic Yen, with Effect from March 31, 2023

United Microelectronics Corp is a global semiconductor foundry. The Company provides integrated circuit (IC) production for applications spanning every sector of the electronics industry. The Company operates through two segments. The Wafer Fabrication segment is mainly engaged in the manufacture of chips to the design specifications of its customers by using its own processes and techniques. The New Business segment is engaged in the research, development, manufacture and provision of solar energy. The Company is engaged in the maintenance of a customer base across various industries, including communication, consumer electronics, computer, memory, new generation light-emitting diode (LED) and others, while focusing on manufacturing for applications, including networking, telecommunications, Internet, multimedia, personal computers (PCs) and graphics.