Sunshine Semiconductor Announces Completion of First Share Buyback Program and Execution Details

1. Original upper limit of total buyback amount (NT$): 2,629,576,020 2. Original intended buyback period: 115/05/12 ~ 115/07/11 3. Original intended number of shares to be bought back: 1,000,000 4. Original intended buyback price range (NT$): 175.00 ~ 300.00 5. Actual buyback period: 115/05/13 ~ 115/07/08 6. Number of shares actually bought back: 700,000 7. Total amount spent on buyback (NT$): 201,386,312 8. Average price per share bought back: 287.69 9. Cumulative number of treasury shares held: 700,000 10. Percentage of total issued shares held as treasury stock: 0.39% 11. Reason for incomplete execution: To protect shareholder interests and maintain market mechanisms, the company executed the buyback in batches based on stock price movements and trading volume, thus未能完全執行 12. Other matters to be disclosed: None