Century Steel Announces Ex-Dividend Date and Suspension Period for Convertible Bonds

1. Date of board, shareholder meeting resolution, or company decision: 115/06/25 2. Type of rights or dividend adjustment (please enter 'rights issue', 'dividend', or 'rights and dividend'): dividend 3. Type and amount of ordinary share dividend distribution: Cash dividend of NT$1,111,034,993, with NT$4.5 distributed per share. 4. Ex-dividend trading date: 115/07/23 5. Final transfer date: 115/07/26 6. Start date of transfer suspension: 115/07/27 7. End date of transfer suspension: 115/07/31 8. Ex-dividend reference date: 115/07/31 9. Final date for convertible bond conversion application: 115/07/02 10. Start date of convertible bond conversion suspension: 115/07/06 11. End date of convertible bond conversion suspension: 115/07/31 12. Ordinary share cash dividend payment date: 115/08/21 13. Other matters to be disclosed: If the number of issued ordinary shares changes due to factors such as conversion of the company's convertible bonds, the shareholder dividend payout rate may need to be adjusted. In such cases, the chairman is authorized to handle all related matters.