1338 Guanghua-KY Announces Adjustment to Dividend Payout Rate

Date of Announcement: June 23, 2026 Date of Statement: June 22, 2026 Time of Statement: 13:43:07 Company Code: 1338 Company Name: Guanghua-KY Subject: Announcement of Adjustment to Dividend Distribution Rate Applicable Clause: Clause 14 Factual Date: June 22, 2026

Details: 1. Date of Board or Shareholders' Meeting Resolution: Not applicable 2. Previous Dividend Type and Amount: Cash dividend from earnings distribution of NT$25,152,000, equivalent to NT$0.30 per share. 3. Revised Dividend Type and Amount: Cash dividend from earnings distribution of NT$25,152,000, equivalent to NT$0.31144516 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 Disclosed: Pursuant to the resolution passed at the annual shareholders' meeting held on May 22, 2026, the chairman has been authorized to adjust the dividend payout rate.