Primax Announces Adjustment of Cash Dividend Distribution Rate

1. Date of Board or Shareholders' Meeting Resolution: NA 2. Original Type and Amount of Dividends: Common stock cash dividend of NT$2,155,551,604, with NT$4.568 per share. 3. Revised Type and Amount of Dividends: Common stock cash dividend of NT$2,155,551,604, with NT$4.56924427 per share. 4. Reason for Change: Due to the company's repurchase of restricted employee shares affecting the number of outstanding shares, based on the Board's resolution on June 4, 2026, the Chairman was authorized to adjust the dividend rate. 5. Other Matters: None.