【Forepi】Announcement by Subsidiary Liangcai Investment on Disposal of Common Shares of Global Unichip Corp. (Cayman Islands)

1. Security Name: Common shares of Global Unichip Corp. (Cayman Islands) (hereinafter referred to as GUC-KY)

2. Transaction Date: May 12, 2026 to July 7, 2026

3. Board Approval Date: July 3, 2026

4. Other Approval Dates: Not applicable

5. Transaction Quantity, Unit Price, and Total Amount: Sold 4,000 thousand shares at market price Unit price: NT$504.10 per share Total transaction amount: NT$2,016,403 thousand

6. Gain (or loss) from disposal (not applicable for acquisition of securities): Estimated gain from the disposal of GUC-KY privately placed common shares is approximately NT$1,876 million

7. Relationship with the target company: GUC-KY is a related party of the company

8. Cumulative holdings of the subject securities (including this transaction) to date, including quantity, amount, ownership percentage, and restricted rights (e.g., pledged shares): (1) Forepi Holding Corp. Cumulative holdings: 9,409 thousand shares Cumulative holding value: Approximately NT$373,055 thousand Ownership percentage: 7.78% Restricted rights: None

(2) Liangcai Investment Corp. Cumulative holdings: 5,393 thousand shares Cumulative holding value: Approximately NT$253,792 thousand Ownership percentage: 4.45% Restricted rights: None

(3) Liangpin Investment Corp. Cumulative holdings: 6,774 thousand shares Cumulative holding value: Approximately NT$244,147 thousand Ownership percentage: 5.60% Restricted rights: 6,500 thousand privately placed common shares are subject to restrictions under the Securities and Exchange Act

(4) JC Semi Corp. Cumulative holdings: 20 thousand shares Cumulative holding value: Approximately NT$1,056 thousand Ownership percentage: 0.02% Restricted rights: None

(5) Forepi Optoelectronics Corp. Cumulative holdings: 3,648 thousand shares Cumulative holding value: Approximately NT$126,023 thousand Ownership percentage: 3.02% Restricted rights: 3,500 thousand privately placed common shares are subject to restrictions under the Securities and Exchange Act

Note: Except for Liangcai Investment (self-calculated including this transaction), the above figures are based on the latest audited/reviewed financial statements.

9. Cumulative securities investments (including this transaction) under Article 3 of the "Asset Acquisition and Disposal Rules for Publicly Issued Companies" as a percentage of total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital: Percentage of total assets: 0.61% Percentage of shareholders' equity: 0.61% Working capital: NT$627,154 thousand

10. Specific purpose of acquisition or disposal: Adjustment of capital allocation

11. Dissenting directors' opinions on this transaction: None

12. Whether this transaction is a related-party transaction: No

13. Counterparty and its relationship with the company: Not applicable

14. Date of supervisor approval or audit committee consent: July 3, 2026

15. Previous date of material information disclosure on the same event: July 3, 2026

16. Other explanatory matters: None