【Opto-Rite】Correction to the Execution Status of the Company's Second Share Buyback Period (Total Buyback Amount and Average Share Price)

1. Original planned maximum total amount for share buyback (NTD): 1,529,722,690 2. Original planned buyback period: 2025/06/20~2025/08/19 3. Original planned buyback quantity (shares): 1,000,000 4. Original planned buyback price range (NTD): 70.00~130.00 5. Actual buyback period for this instance: 2025/06/27~2025/08/19 6. Actual quantity of shares bought back for this instance (shares): 913,000 7. Total amount of shares bought back for this instance (NTD): 84,771,800 8. Average price per share bought back for this instance (NTD): 92.85 9. Cumulative quantity of own company shares held (shares): 2,063,000 10. Cumulative quantity of own company shares held as a percentage of total issued shares (%): 4.10 11. Reason for not completing this instance: The company executed phased buybacks based on stock price changes and trading volume, thus not completing the entire planned quantity. 12. Other matters to be specified: None.