1419 Shinbo Co., Ltd.

Announcement Date: July 22, 2026 Statement Date: July 21, 2026 Statement Time: 14:35:40 Company Code: 1419 Company Name: Shinbo Co., Ltd. Subject: Announcement of Ex-Dividend Date and Related Matters for Cash Dividend Distribution Applicable Clause: Item 14 Factual Date: July 21, 2026 Details: 1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 07/21/2026 2. Type of Rights/Dividends (Please enter 'Rights', 'Dividends', or 'Rights & Dividends'): Dividends 3. Type and Amount of Ordinary Share Cash Dividend: Cash dividend of NT$540,074,304, NT$1.8 per share 4. Ex-Rights/Ex-Dividend Trading Day: 08/06/2026 5. Last Transfer Date: 08/09/2026 6. Start Date of Transfer Suspension: 08/10/2026 7. End Date of Transfer Suspension: 08/14/2026 8. Ex-Rights/Ex-Dividend Reference Date: 08/14/2026 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: 09/04/2026 13. Whether Part or All of the Cash Dividend is Paid in Foreign Currency (Please 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 Cash Dividend: Not applicable 17. Other Matters to be Stated: Since the last transfer date, August 9, 2026, falls on a public holiday, shareholders who have not yet completed the transfer of Shinbo shares must personally visit the company's share agency, "Taishin Securities Co., Ltd., Share Agency Department" (B1, No. 96, Section 1, Jianguo North Road, Zhongshan District, Taipei City), before 16:30 on August 7, 2026, to complete the transfer procedures. For registered mail, the postmark date of August 9, 2026, will be valid. For shareholders participating in centralized transfer services through the Taiwan Central Securities Depository Corporation, the company's share agent will process the transfer directly based on the submitted data.