[Yehui] Announcement of the 24th Share Buyback Program Approved by the Board

1. Date of Board Resolution: 115/05/26 2. Purpose: To maintain company credit and shareholder interests. 3. Type of shares: Common stock. 4. Maximum total amount: 2,640,312,634 TWD. 5. Scheduled period: 115/05/26 to 115/07/25. 6. Scheduled quantity: 20,000,000 shares. 7. Price range: 13.00 to 15.50 TWD. 8. Method: Open market purchase. 9. Percentage of total issued shares: 1.07%. 10. Accumulated shares held: 55,000,000 shares. 11. Past 5-year history: 15 previous buyback programs (details provided in original text). 12. Reason for partial execution: Market stability considerations. 13. Board resolution details: Conducted under Article 28-2 of the Securities and Exchange Act. 14. Transfer method: N/A. 15. Conversion/Subscription: N/A. 16. Statement on capital maintenance: The board confirms no impact on capital maintenance. 17. CPA assessment: The price range is deemed reasonable. 18. Other: None.