Shunde Announces Adjustment to Cash Dividend Payout Rate

1. Date of Board or Shareholders' Meeting Resolution: Not applicable 2. Original Dividend Type and Amount: Cash dividend of NT$200,354,274 for common shares, equivalent to NT$1.10 per share. 3. Revised Dividend Type and Amount: Cash dividend of NT$200,354,274 for common shares, equivalent to NT$1.02883915 per share. 4. Reason for Change: Due to the conversion of the company's convertible bonds into common shares, resulting in a change in the number of outstanding shares, the Chairman has been authorized by the Board of Directors (resolution dated May 21, 2026) to adjust the cash dividend payout rate. 5. Other Matters to be Disclosed: None.