Swancor Holding Announces Adjustment to Cash Dividend Payout Ratio

1. Date of Board of Directors or Shareholders' Meeting Resolution: June 9, 115th year of the Republic of China (2026) 2. Original Dividend Type and Amount: Cash dividend of NT$583,603,158, with a payout of NT$6 per share. 3. Adjusted Dividend Type and Amount: Cash dividend of NT$583,603,158, with a payout of NT$6.49582036 per share. 4. Reason for Change: Due to the company's execution of treasury stock repurchase programs and corporate bond conversions, which affected the number of outstanding shares. As authorized by the resolution of the shareholders' meeting, the board of directors was granted full authority to handle this matter. The board of directors resolved on May 8, 115th year of the Republic of China (2026) to authorize the Chairperson. 5. Other Matters to be Noted: None.