Yisheng Announces Ex-Dividend Date

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 115/06/24 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights-Ex-Dividend'): Ex-Dividend 3. Ordinary Share Dividend Type and Amount: Cash dividend totaling NT$60,974,649 (NT$0.22 per share) 4. Ex-Dividend Trading Day: 115/07/09 5. Last Transfer Date: 115/07/12 6. Start Date of Transfer Suspension: 115/07/13 7. End Date of Transfer Suspension: 115/07/17 8. Ex-Dividend Reference Date: 115/07/17 9. Final Date for Bond Conversion Application: 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: 115/08/10 13. Other Matters to be Disclosed: None