Asia Power Announces Board Resolution on Ex-Dividend and Ex-Rights Date and Suspension Period for Second Domestic Convertible Bonds

1. Date of board or shareholders' meeting resolution or company decision: July 3, 2026 (ROC Year 115) 2. Type of ex-rights or ex-dividend (please enter 'ex-rights', 'ex-dividend', or 'ex-rights and ex-dividend'): Ex-rights and ex-dividend 3. Ordinary share dividend types and amounts: Cash dividend: NT$546,216,946, distributed at NT$2.00 per share Stock dividend: NT$54,621,690, distributed at 0.20 shares per share 4. Ex-rights (ex-dividend) trading date: July 30, 2026 (ROC Year 115) 5. Last transfer date: July 31, 2026 (ROC Year 115) 6. Start date of transfer suspension: August 1, 2026 (ROC Year 115) 7. End date of transfer suspension: August 5, 2026 (ROC Year 115) 8. Ex-rights (ex-dividend) benchmark date: August 5, 2026 (ROC Year 115) 9. Final date for bond conversion application: July 9, 2026 (ROC Year 115) 10. Start date of bond conversion suspension: July 13, 2026 (ROC Year 115) 11. End date of bond conversion suspension: August 5, 2026 (ROC Year 115) 12. Ordinary share cash dividend payment date: September 4, 2026 (ROC Year 115) 13. Other matters to be disclosed: If changes in the number of outstanding shares require adjustments to shareholders' dividend and bonus share ratios, the board authorizes the chairman to make such adjustments, which will be announced separately.