[Kuo Ching] Announcement on the Adjustment of the Company's Cash Dividend Payout Ratio

1. Date of Board of Directors or Shareholders' Meeting Resolution: NA 2. Original Type and Amount of Dividend Distributed: Cash dividend of NT$122,865,791, with a payout of NT$1.2 per share. 3. Revised Type and Amount of Dividend Distributed: Cash dividend of NT$122,865,791, with a payout of NT$1.18407656 per share. 4. Reason for Change: Due to the exercise of the company's employee stock options and the conversion of the third domestic unsecured convertible bonds into common stock, which affected the number of outstanding shares, the original dividend payout ratio has changed. As authorized by the Board of Directors, the Chairman has been fully empowered to handle the adjustment of the cash dividend payout ratio. 5. Other Matters to be Noted: None