【Guandun】Announcement on the Completion of the Company's Share Buyback (Correction to 2026.4.24 Announcement)

1. Original planned maximum total amount for share buyback (NTD): 17,913,653,235 2. Original planned buyback period: 2026/03/02~2026/05/01 3. Original planned buyback quantity (shares): 6,000,000 4. Original planned buyback price range (NTD): 23.00~48.00 5. Actual buyback period this time: 2026/03/04~2026/04/24 6. Quantity of shares repurchased this time (shares): 6,000,000 7. Total amount of shares repurchased this time (NTD): 190,343,560 8. Average repurchase price per share this time (NTD): 31.72 9. Cumulative quantity of own shares held (shares): 7,000,000 10. Ratio of cumulative own shares held to total issued shares (%): 1.15 11. Reason for incomplete execution this time: 12. Other matters that need to be specified: Corrected that the total amount of shares repurchased this time includes handling fees.