2471 TSC

Announcement Date: July 7, 2026 (Minguo 115) Statement Date: July 6, 2026 (Minguo 115) Statement Time: 14:43:30 Company Code: 2471 Company Name: TSC Subject: Announcement regarding the Chairman, authorized by the shareholders' meeting, setting the dividend benchmark date Applicable Clause: Clause 14 Factual Date: July 6, 2026 (Minguo 115) Details: 1. Date of Board or Shareholders' Meeting Resolution or Company Decision: 07/06/2026 (Minguo 115) 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights/Ex-Dividend'): Ex-Dividend 3. Type and Amount of Ordinary Share Dividend: Cash dividend, TWD 3.31183609 per share (rounded to the nearest dollar) 4. Ex-Dividend Trading Date: July 22, 2026 (Minguo 115) 5. Last Transfer Date: July 23, 2026 (Minguo 115) 6. Transfer Suspension Start Date: July 24, 2026 (Minguo 115) 7. Transfer Suspension End Date: July 28, 2026 (Minguo 115) 8. Ex-Dividend Benchmark Date: July 28, 2026 (Minguo 115) 9. Final Bond Conversion Application Date: Not applicable 10. Bond Conversion Suspension Start Date: Not applicable 11. Bond Conversion Suspension End Date: Not applicable 12. Ordinary Share Cash Dividend Payment Date: August 18, 2026 (Minguo 115) 13. Is part or all of the cash dividend paid in foreign currency? (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 Dividend: Not applicable 17. Other Matters to be Disclosed: None