Quanta Announces Ex-Rights Benchmark Date and Adjusted Stock Dividend Rate

1. Date of Board or Shareholders' Meeting Resolution or Company Decision: 115/08/05 2. Type of Rights Adjustment (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights & Dividend'): Ex-Rights 3. Ordinary Share Dividend Type and Amount: (1) Original Dividend Type and Amount: Ordinary share stock dividend of NT$89,894,970 (NT$1.00 per share) (2) Revised Dividend Type and Amount: Ordinary share stock dividend of NT$89,894,970 (NT$0.99966641 per share) 4. Ex-Rights Trading Start Date: 115/08/20 5. Final Transfer Date: 115/08/21 6. Share Transfer Suspension Start Date: 115/08/22 7. Share Transfer Suspension End Date: 115/08/26 8. Ex-Rights Benchmark Date: 115/08/26 9. Final Application Date for Bond Conversion: Not applicable 10. Bond Conversion Suspension Start Date: Not applicable 11. Bond Conversion Suspension End Date: Not applicable 12. Ordinary Cash Dividend Payment Date: Not applicable 13. Is part or all of the cash dividend paid in foreign currency? (enter 'Yes' or 'No'): No 14. Foreign Currency for Cash Dividend: Not applicable 15. Recipients of Foreign Currency Cash Dividend: Not applicable 16. Exchange Rate Determination Method for Foreign Currency Dividend: Not applicable 17. Other Matters to Be Disclosed: (1) Due to the exercise of employee stock options resulting in changes in the number of outstanding shares, the dividend distribution rate has been adjusted accordingly. (2) Any other unmentioned matters shall be fully authorized to the Chairman in accordance with the Company Act and related regulations.