3617 Sotech Announces Dividend Ex-Date and Related Matters

Release Date: June 25, Year 115 Statement Date: June 24, Year 115 Statement Time: 14:38:25 Company Code: 3617 Company Name: Sotech Subject: Announcement of Dividend Ex-Date and Related Matters Applicable Clause: Clause 14 Factual Date: June 24, Year 115

Details: 1. Date of Board of Directors, Shareholders' Meeting Resolution, or Company Decision: June 24, Year 115 2. Type of Rights/Dividend Adjustment (please enter 'Rights Adjustment', 'Dividend Adjustment', or 'Rights and Dividend Adjustment'): Dividend Adjustment 3. Ordinary Share Dividend Type and Amount: Cash dividend to shareholders: NT$941,660,490 (NT$10 per share). 4. Ex-Dividend Trading Date: July 22, Year 115 5. Last Transfer Date: July 23, Year 115 6. Share Transfer Suspension Start Date: July 24, Year 115 7. Share Transfer Suspension End Date: July 28, Year 115 8. Ex-Dividend Benchmark Date: July 28, Year 115 9. Final Date for Bond Conversion Application: July 1, Year 115 10. Bond Conversion Suspension Start Date: July 3, Year 115 11. Bond Conversion Suspension End Date: July 28, Year 115 12. Ordinary Share Cash Dividend Payment Date: August 18, Year 115 13. Other Matters to be Disclosed: The above-mentioned cash dividend amount per share is calculated based on the total number of outstanding ordinary shares of 94,166,049 as of the board resolution date of March 10, Year 115. If any changes occur to the company's ordinary shares thereafter (e.g., convertible bondholders exercising conversion rights, issuance of restricted stock units to employees, exercise of employee stock options, or company repurchase, transfer, or cancellation of shares), resulting in changes to shareholders' dividend ratios, the Chairman is hereby authorized to make full adjustments accordingly.