6257 Silicon Precision: Announces Adjustment of Dividend Payout Rate

Announcement Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 15:35:38 Company Code: 6257 Company Name: Silicon Precision Subject: Announcement of Adjustment to Dividend Distribution Rate Applicable Clause: Clause 14 Factual Date: June 22, 2026

Details: 1. Board or Shareholders' Meeting Resolution Date: N/A 2. Previous Dividend Type and Amount: (1) Cash Dividend: NT$1,306,563,278, equivalent to NT$2.70 per share (2) Capital Reserve Cash Distribution: NT$725,868,488, equivalent to NT$1.50 per share 3. Revised Dividend Type and Amount: (1) Cash Dividend: NT$1,306,563,278, equivalent to NT$2.73194242 per share (2) Capital Reserve Cash Distribution: NT$725,868,488, equivalent to NT$1.51774579 per share 4. Reason for Change: Due to the company's repurchase of treasury shares, the total number of outstanding shares has changed. In accordance with the resolution of the shareholders' meeting, the chairman has been authorized to adjust the dividend payout rate. 5. Other Matters to be Disclosed: None.