【Shinpo】Announcement of Dividend Ex-Date

1. Date of Board or Shareholders' Meeting Resolution or Company Decision: 07/07/2026 (Minguo 115) 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights-and-Dividend'): Ex-Dividend 3. Ordinary Share Dividend Type and Amount: Cash dividend of NT$2 per share, totaling NT$774,979,210 4. Ex-Dividend Trading Date: 07/24/2026 (Minguo 115) 5. Last Day for Share Transfer Registration: 07/27/2026 (Minguo 115) 6. Start Date of Share Transfer Suspension: 07/28/2026 (Minguo 115) 7. End Date of Share Transfer Suspension: 08/01/2026 (Minguo 115) 8. Ex-Dividend Record Date: 08/01/2026 (Minguo 115) 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: 08/25/2026 (Minguo 115) 13. Other Matters to be Stated: Shareholders who hold the company's shares but have not yet completed the transfer registration must visit in person the company's share transfer agent, 'Shinko Securities Co., Ltd. Share Transfer Agency Department' (11F, No. 66-1, Sec. 1, Chongqing S. Rd., Zhongzheng District, Taipei City), before 16:30 on July 27, 2026 (Minguo 115), to complete the registration. For registered mail, the postmark date of July 27, 2026 (the last registration date) will be accepted as valid.