ChipMOS Announces Ex-Dividend Date Resolution

Release Date: 1150704 Statement Date: 1150703 Statement Time: 153939 Company Code: 6239 Company Name: ChipMOS Subject: Announcement of Board Resolution on Dividend Settlement Date Applicable Clause: Clause 14 Factual Date: 1150703

Details: 1. Date of Board/Shareholders' Meeting Resolution or Company Decision: 115/07/03 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 for ordinary shares: NT$3,416,159,853, with a cash distribution of NT$4.5 per share. 4. Ex-Dividend Trading Day: 115/07/30 5. Last Transfer Date: 115/08/01 6. Start Date of Transfer Suspension: 115/08/02 7. End Date of Transfer Suspension: 115/08/06 8. Ex-Dividend Settlement Date: 115/08/06 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: 115/09/04 13. Other Matters to be Stated: None.