Ruby Tech Corporation established audit committee: Huang, Chin-Tan, Securities Listing Review Committee Members of Taiwan Stock Exchange Corp. and Associate Professor, Department of Finance, National Chengchi University Wu, Yung-Sheng, Securities Listing Review Committee Members of Taiwan Stock Exchange Corp. and Dean, Ming Chuan University School of Law Wang, Chi-Chiao, Vice President of Kiwi Microsystem Inc. and RD Technical Consultant of Worldwide Logistics Corp. Effective date of appointment: August 10, 2021.