[Guang Yue] Announcement of Dividend Record Date and Convertible Bond Conversion Suspension Period

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 06/17/2026 2. Type of Rights/Interest (please enter 'Rights', 'Interest', or 'Rights and Interest'): Interest 3. Type and Amount of Ordinary Share Dividend: Cash dividend of NT$259,144,347 (NT$2.30 per share) 4. Ex-Rights/Interest Trading Day: 09/02/2026 5. Final Transfer Cutoff Date: 09/03/2026 6. Start Date of Transfer Suspension: 09/04/2026 7. End Date of Transfer Suspension: 09/08/2026 8. Ex-Rights/Interest Benchmark Date: 09/08/2026 9. Final Date for Bond Conversion Application: 08/12/2026 10. Start Date of Bond Conversion Suspension: 08/14/2026 11. End Date of Bond Conversion Suspension: 09/08/2026 12. Ordinary Share Cash Dividend Payment Date: 09/23/2026 13. Other Matters to be Disclosed: (1) If adjustments are required due to changes in the number of the company's ordinary shares, the Chairman shall have full authority to handle the revision. (2) Cash dividends will be distributed to the nearest dollar; fractional amounts less than one dollar will be aggregated and recorded as other income of the company.