Darfon Optical Announces Ex-Dividend Record Date and Adjustment of Dividend Payout Ratio

1. Date of resolution by the board of directors, shareholders' meeting, or company decision: 2026/05/06 2. Type of ex-rights/ex-dividend (please fill in "ex-rights", "ex-dividend" or "ex-rights and ex-dividend"): Ex-dividend 3. Type and amount of cash dividends distributed for common shares: (1) Original type and amount of dividends distributed: Cash dividend for common shares: NTD 95,024,815, with NTD 1 distributed per share. (2) Adjusted type and amount of dividends distributed: Cash dividend for common shares: NTD 95,024,815, with NTD 0.99982113 distributed per share. 4. Ex-rights (dividend) trading date: 2026/06/29 5. Last date for transfer registration: 2026/06/30 6. Start date for suspension of transfer registration: 2026/07/01 7. End date for suspension of transfer registration: 2026/07/05 8. Ex-rights (dividend) record date: 2026/07/05 9. Last date for bond conversion application: Not applicable 10. Start date for suspension of bond conversion: Not applicable 11. End date for suspension of bond conversion: Not applicable 12. Cash dividend distribution date for common shares: 2026/07/24 13. Other matters that need to be specified: Due to the exercise of employee stock options, which resulted in an increase in the number of outstanding shares, the chairman is authorized to adjust the cash dividend payout ratio based on the board of directors' resolution on March 11, 2026. Keywords: Material Information