Jia Wei (3557) Changes Dividend from Stock to Cash per Shareholder Meeting Resolution

Announcement Date: May 19, 2026 Company Name: Jia Wei (3557)

Subject: Announcement regarding the change in dividend distribution as resolved by the shareholder meeting.

Details: 1. Date of Board or Shareholder Meeting resolution: May 19, 2026 2. Original type and amount of dividend: Stock dividend of 25,294,630 NTD (0.3 NTD per share) 3. Revised type and amount of dividend: Cash dividend of 25,294,630 NTD (0.3 NTD per share) 4. Reason for change: Based on a shareholder proposal, which was approved by the chairman's ruling. 5. Other remarks: None.