[Nankang] Announcement on the Board Resolution for the 21st Share Buyback (2.2 Million Shares)

1. Board resolution date: 115/05/19 2. Purpose: To transfer shares to employees 3. Type of shares: Common stock 4. Maximum total amount for buyback: 4,007,924,379 NTD 5. Scheduled buyback period: 115/05/19–115/07/18 6. Scheduled quantity: 2,200,000 shares 7. Price range: 27.00–45.00 NTD; the company will continue to buy back if the market price is below the range 8. Method: Repurchase from the centralized trading market 9. Percentage of total outstanding shares: 0.30% 10. Cumulative shares already held: 108,656,595 shares 11. Historical buybacks in the last 5 years: Multiple buybacks conducted, mostly achieving 100% execution rates 12. Status of pending buybacks: Various execution rates noted for previous cycles 13. Board minutes: Approved on 115.5.19 14. Transfer rules: Shares to be transferred to employees within 5 years 15. Conversion/Subscription rules: Not applicable 16. Statement on capital maintenance: The board confirms the buyback does not affect capital maintenance 17. Expert opinion: The accountant considers the price range reasonable compared to recent market prices 18. Other: None.