Apacer Announces Chairman's Determination of Ex-Dividend Date and Adjustment of Cash Dividend Payout Rate

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 115/06/15 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights and Ex-Dividend'): Ex-Dividend 3. Types and Amounts of Ordinary Share Dividends: (1) Original Dividend Type and Amount: Ordinary Share Cash Dividend: NT$576,581,697 (approximately NT$4.50 per share) (2) Revised Dividend Type and Amount: Ordinary Share Cash Dividend: NT$576,581,697 (approximately NT$4.44844317 per share) 4. Ex-Rights/Ex-Dividend Trading Day: 115/07/01 5. Last Transfer Date: 115/07/02 6. Start Date of Transfer Suspension: 115/07/03 7. End Date of Transfer Suspension: 115/07/07 8. Ex-Rights/Ex-Dividend Benchmark Date: 115/07/07 9. Final Application Date for Bond Conversion: Not applicable 10. Start Date of Bond Conversion Suspension: Not applicable 11. End Date of Bond Conversion Suspension: Not applicable 12. Ordinary Share Cash Dividend Payment Date: 115/07/27 13. Other Matters to be Stated: Due to the issuance of restricted stock units to employees resulting in an increase in the number of shares eligible for distribution, the Chairman is authorized to adjust the cash dividend payout rate pursuant to the Board of Directors' resolution dated February 25, 115.