[Apacer] Announcement of Significant Financial Information due to Securities Reaching Warning Standard on the Centralized Trading Market

1. Date of occurrence: 115/04/22 2. Cause of occurrence: Handled in accordance with the notification from the Taiwan Stock Exchange Corporation. 3. Financial and business information: - Recent month (Mar 115): Revenue 3,070M (YoY +293%), Pre-tax profit 1,017M (YoY +1,749%), Net profit attributable to owners of the parent 816M (YoY +1,713%), EPS 6.37 (YoY +1,720%). - Recent quarter (Q1 115): Revenue 7,042M (YoY +244%), Pre-tax profit 2,329M (YoY +1,943%), Net profit attributable to owners of the parent 1,862M (YoY +1,902%), EPS 14.54 (YoY +1,919%). - Last 4 quarters cumulative (Q2 114 to Q1 115): Revenue 16,117M, Pre-tax profit 3,293M, Net profit attributable to owners of the parent 2,629M, EPS 20.52. Note: The increases in revenue, profit, and EPS compared to the same period last year are mainly due to the rise in market prices. 4. Any material information under Article 4...: None. 5. Any press conference under Article 11...: None. 6. For complete information, please visit MOPS. 7. Other matters to specify: March 115 figures are unaudited, consolidated numbers prepared under IFRS for investors' reference.