2428 Xingqin: Subsidiary Announces Disposal of Fund with RMB 8.66 Million Gain

Release Date: July 10, 2026 Statement Date: July 9, 2026 Statement Time: 16:50:37 Company Code: 2428 Company Name: Xingqin Subject: Announcement by Subsidiary Xingqin (Yichang) Electronics Co., Ltd. on Cumulative Disposal of Fund Applicable Clause: Item 20 Event Date: July 9, 2026

1. Security Name: Morgan Stanley Digital Economy Mixed Securities Investment Fund C

2. Transaction Date: July 3–9, 2026

3. Board Approval Date: July 9, 2026

4. Other Approval Dates: Not applicable

5. Transaction Quantity, Unit Price, and Total Transaction Amount: Quantity: 8,944,365.00 units; Unit Price: RMB 4.5358 Quantity: 6,705,073.00 units; Unit Price: RMB 4.6382 Total Transaction Amount: RMB 71,669 thousand

6. Disposal Gain (or Loss) (not applicable for acquisition of securities): Disposal Gain: RMB 8,664 thousand

7. Relationship with the Target Company: None

8. Cumulative Holdings (including this transaction) to Date – Quantity, Amount, Ownership Percentage, and Restricted Rights (e.g., Pledge Status): None

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 Most Recent Financial Statements, and the Amount of Working Capital: Percentage of Total Assets in the Parent’s Most Recent Individual Financial Statements: 1.12% Percentage of Equity Attributable to Owners of the Parent in the Most Recent Consolidated Financial Statements: 1.48% Working Capital in the Parent’s Most Recent Individual Financial Statements: NT$992,843 thousand

10. Specific Purpose of Acquisition or Disposal: Investment and financial management

11. Dissenting Director’s Opinion on This Transaction: Not applicable

12. Is This a Related-Party Transaction? No

13. Counterparty and Relationship with the Company: Not applicable

14. Date of Supervisor Approval or Audit Committee Consent: Not applicable

15. Previous Date of Material Information Disclosure on the Same Event: Not applicable

16. Other Remarks: The fund has not yet been settled. The unit price disclosed is based on the latest estimated price of RMB 4.6382 as of July 9, 2026.