Taroko Announces Expiration of Board-Approved Fourth Share Buyback Program

1. Original maximum total amount for share repurchase (NT$): 296,364,564 2. Original intended repurchase period: 115/07/06 ~ 115/09/02 3. Original intended number of shares to be repurchased (shares): 2,000,000 4. Original intended price range for repurchase (NT$): 10.64 ~ 24.85 5. Actual repurchase period: 115/07/07 ~ 115/08/04 6. Number of shares actually repurchased (shares): 165,000 7. Total amount spent on repurchased shares (NT$): 2,482,350 8. Average repurchase price per share (NT$): 15.04 9. Cumulative number of treasury shares held (shares): 165,000 10. Ratio of cumulative treasury shares to total issued shares (%): 0.15 11. Reason for incomplete execution: To protect shareholder interests and maintain market mechanisms, the company conducted repurchases in batches based on stock price movements and trading volume, thus the program was not fully completed. 12. Other matters to be disclosed: None.