Hung-Chi: Announcement on Completion of Company Share Repurchase

1. Original planned maximum amount for share repurchase (NTD): 1,171,999,341 2. Original planned period for share repurchase: 2026/03/11~2026/05/10 3. Original planned quantity for share repurchase (shares): 5,000,000 4. Original planned repurchase price range (NTD): 10.65~24.70 5. Actual repurchase period for this instance: 2026/03/13~2026/05/08 6. Actual quantity of shares repurchased this instance (shares): 5,000,000 7. Total amount of shares repurchased this instance (NTD): 86,214,772 8. Average repurchase price per share this instance (NTD): 17.24 9. Cumulative quantity of own shares held (shares): 7,864,000 10. Cumulative ratio of own shares held to total issued shares (%): 4.10 11. Reason for uncompleted execution this instance: N/A (completed) 12. Other matters that should be specified: None Keywords: Material Information