[Silicon Integrated Systems] Announcement of Dividend Rate Adjustment

1. Date of Board or Shareholders' Meeting Resolution: NA

2. Original Dividend Type and Amount: (1) Cash dividend of TWD 1,306,563,278, with TWD 2.70 per share (2) Capital reserve cash distribution of TWD 725,868,488, with TWD 1.50 per share

3. Revised Dividend Type and Amount: (1) Cash dividend of TWD 1,306,563,278, with TWD 2.73194242 per share (2) Capital reserve cash distribution of TWD 725,868,488, with TWD 1.51774579 per share

4. Reason for Change: Due to the company's repurchase of treasury shares, the total number of shares outstanding has changed. Pursuant to the resolution of the shareholders' meeting, the Chairman is authorized to adjust the dividend payout rate.

5. Other Matters to be Disclosed: None.

Keyword: Material Information