2382 Quanta Announces Ex-Dividend Date for 2H 2025 Cash Dividend

Announcement Date: July 3, 2026 Statement Date: July 2, 2026 Statement Time: 13:48:10 Company Code: 2382 Company Name: Quanta Subject: Announcement of Ex-Dividend Reference Date for Second-Half 2025 Cash Dividend Applicable Clause: Clause 14 Factual Date: July 2, 2026 Details: 1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 07/02/2026 2. Type of Rights/Dividend (Please enter 'Rights', 'Dividend' or 'Rights & Dividend'): Dividend 3. Ordinary Share Dividend Type and Amount: (1) Ordinary Share - Cash Dividend: TWD 15.6 per share; Total amount: TWD 60,256,987,940 (2) Ordinary Share - Stock Dividend: 0 4. Ex-Rights (Ex-Dividend) Trading Day: 07/16/2026 5. Last Transfer Date: 07/17/2026 6. Transfer Suspension Start Date: 07/18/2026 7. Transfer Suspension End Date: 07/22/2026 8. Ex-Rights (Ex-Dividend) Reference Date: 07/22/2026 9. Final Bond Conversion Application Date: Not applicable 10. Bond Conversion Suspension Start Date: Not applicable 11. Bond Conversion Suspension End Date: Not applicable 12. Ordinary Share Cash Dividend Payment Date: 08/28/2026 13. Other Matters to be Stated: Pursuant to the board resolution dated February 26, 2026, the Chairman is authorized to fully handle matters including the cash dividend reference date, transfer suspension date, payment date, suspension period for conversion of the Company's fourth overseas unsecured convertible bonds, and adjustment of cash dividend yield.