Shang Wei Investment Announces Completion of Treasury Stock Repurchase

1. Original upper limit of total amount for repurchase (NT$): 8,499,367,621 2. Original repurchase period: 04/16/2026 ~ 06/15/2026 3. Original number of shares to be repurchased: 4,200,000 4. Original price range for repurchase (NT$): 80.00 ~ 180.00 5. Actual repurchase period: 04/16/2026 ~ 05/11/2026 6. Number of shares actually repurchased: 2,522,000 7. Total amount spent on repurchase (NT$): 312,250,288 8. Average repurchase price per share (NT$): 123.81 9. Cumulative number of treasury shares held: 2,522,000 10. Ratio of cumulative treasury shares to total issued shares (%): 2.74 11. Reason for incomplete execution: To protect the interests of all shareholders and maintain market trading mechanisms, the company adopted a phased repurchase strategy based on stock price movements and trading volume, resulting in incomplete execution. 12. Other matters to be disclosed: None.