[Nankang Tire] Announcement regarding the completion of the 21st share repurchase program

1. Original maximum total amount for repurchase (NTD): 4,007,924,379 2. Original planned repurchase period: 2026/05/19 ~ 2026/07/18 3. Original planned repurchase quantity (shares): 2,200,000 4. Original planned repurchase price range (NTD): 27.00 ~ 45.00 5. Actual repurchase period: 2026/05/20 ~ 2026/06/03 6. Total shares repurchased (shares): 2,200,000 7. Total amount for actual repurchase (NTD): 67,482,257 8. Average repurchase price per share (NTD): 30.67 9. Cumulative shares held (shares): 13,065,595 10. Ratio of cumulative shares held to total issued shares (%): 1.78 11. Reasons for not fully executing: None 12. Other matters: None