[C SUN] Announcement regarding ex-dividend record date and related matters (Correction)

1. Date of Board of Directors/Shareholders' Meeting resolution or corporate decision: 2026/05/22 2. Classification (ex-rights/ex-dividend): Ex-dividend 3. Type and amount of common stock dividends: Cash dividend of 5.5 NTD per share, total cash distribution of 837,579,628 NTD 4. Ex-dividend trading date: 2026/06/18 5. Final transfer date: 2026/06/22 6. Transfer suspension start date: 2026/06/23 7. Transfer suspension end date: 2026/06/27 8. Ex-dividend record date: 2026/06/27 9. Final bond conversion application date: 2026/05/28 10. Bond conversion suspension start date: 2026/06/01 11. Bond conversion suspension end date: 2026/06/27 12. Cash dividend payment date: 2026/07/13 13. Other disclosures: (1) The suspension period for the company's 2nd and 3rd unsecured domestic convertible bonds is 2026/06/01–2026/06/27. Bondholders intending to convert must apply to their securities firm no later than 2026/05/28. (2) Provided the dividend rate of 5.5 NTD per share remains unchanged, the Board authorizes the Chairman to adjust the total distribution amount and ending balance based on changes in eligible shares. (3) Fractions of dividends under 1 NTD are transferred to the company's Employee Welfare Committee.