3714 FEC Announces Disposal of GUC-KY Shares by Subsidiary Liang Tsai Investment

Disclosure Date: 20260704 Statement Date: 20260703 Statement Time: 164112 Company Code: 3714 Company Name: FEC Subject: Announcement on Behalf of Subsidiary Liang Tsai Investment Co., Ltd. Regarding Disposal of Ordinary Shares in Global Unichip Semiconductor Holding Corp., Cayman Islands Compliance Clause: Item 20 Factual Date: 20260703 Details: 1. Security Name: Ordinary shares of Global Unichip Semiconductor Holding Corp., Cayman Islands (hereinafter referred to as GUC-KY) 2. Transaction Date: 2026/5/12 ~ 2026/7/3 3. Board Approval Date: July 3, 2026 4. Other Approval Dates: Not applicable 5. Transaction Quantity, Unit Price, and Total Amount: (1) Disposal of 4,000 thousand shares at market price (2) Actual transaction details will be announced upon completion (As of 7/3, 570 thousand shares have been disposed, totaling NT$350,456 thousand) 6. Gain (or Loss) from Disposal (not applicable for acquisition of securities): To be announced upon completion 7. Relationship with the Target Company: GUC-KY is an affiliate of the Company 8. Cumulative Holdings (including this transaction) as of Now: Quantity, amount, ownership percentage, and restricted rights (e.g., pledge status): To be announced upon completion 9. Proportion of Equity Investments (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of Parent in the Latest Financial Statements, and Operating Capital Amount: To be announced upon completion 10. Specific Purpose of Acquisition or Disposal: Adjustment of capital allocation 11. Dissenting Director Opinions on This Transaction: None 12. This Transaction is a Related-Party Transaction: No 13. Counterparty and Relationship with the Company: Not applicable 14. Supervisor Approval or Audit Committee Consent Date: July 3, 2026 15. Previous Material Information Disclosure Date on the Same Event: Not applicable 16. Other Disclosures: Actual transaction details will be announced upon completion