Huang Chang (2543) Announces Adjustment to Dividend Payout Rate

Release Date: July 18, 2026 Statement Date: July 17, 2026 Statement Time: 15:53:52 Company Code: 2543 Company Name: Huang Chang Subject: Announcement of Adjustment to Dividend Distribution Rate Applicable Clause: Clause 14 Factual Date: July 17, 2026

1. Date of Board or Shareholders' Meeting Resolution: Not applicable 2. Original Dividend Type and Amount: Cash Dividend: NT$528,541,961 (NT$1.00 per share) 3. Revised Dividend Type and Amount: Cash Dividend: NT$528,541,961 (NT$1.02767802 per share) 4. Reason for Change: Due to the company's repurchase of its own shares, the number of outstanding shares eligible for distribution has changed, necessitating an adjustment to the dividend payout rate. 5. Other Matters to be Stated: None