Lai Yi KY Announces Adjustment to Cash Dividend Payout Rate

Announcement Date: June 26, 2026 Statement Date: June 25, 2026 Statement Time: 14:21:35 Company Code: 6890 Company Name: Lai Yi KY Subject: Announcement of Adjustment to Cash Dividend Payout Rate Applicable Clause: Clause 14 Factual Date: June 25, 2026

Details: 1. Date of Board or Shareholders' Meeting Resolution: June 25, 2026

2. Original Dividend Type and Amount: (1) Cash dividend from retained earnings: NT$1,745,800,000, equivalent to NT$7.00 per share. (2) Cash distribution from capital reserve: NT$498,800,000, equivalent to NT$2.00 per share.

3. Revised Dividend Type and Amount: (1) Cash dividend from retained earnings: NT$1,745,800,000, equivalent to NT$6.97494713 per share. (2) Cash distribution from capital reserve: NT$498,800,000, equivalent to NT$1.99284203 per share.

4. Reason for Change: The adjustment was necessitated by the conversion of the company’s first and second domestic convertible bonds into ordinary shares, which affected the total number of outstanding common shares, thereby requiring a proportional adjustment to the per-share payout amounts.

5. Other Matters to be Disclosed: In accordance with the board resolution dated March 5, 2026, the Chairman has been granted full authority to handle this matter.