Dingxuan-KY Announces Disposal of Financial Products by Subsidiary Longyang Electronics (Kunshan) Co., Ltd.

1. Name and nature of the subject matter (for preferred shares, specify issuance terms such as dividend rate): Co-Winning Huixin Gold-Linked RMB Structured Deposit A32709 C26A32709 CITIC Construction Investment Income Certificate 'Call Treasure' No. 945

2. Date of occurrence: 115/6/30 ~ 115/6/30

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Executed in accordance with company authorization June 30, 2026 (Minguo Year 115)

5. Transaction quantity, unit price, and total transaction amount: A32709 C26A32709 89 days: RMB 40 million 'Call Treasure' No. 945 186 days: RMB 20 million

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): CTBC Bank Co., Ltd.; Relationship with company: None CITIC Construction Investment Securities Co., Ltd.; Relationship with company: None

7. If the counterparty is a related party, state the reason for selecting such party, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount: Not applicable

8. If the owner of the subject matter was a related party of the company within the past five years, state the date of acquisition and disposal by the related party, price, and relationship with the company at the time: Not applicable

9. Matters related to the disposal of receivables (including types of collateral attached to the disposed receivables; if the disposed receivables are from related parties, state the name and book value of the receivables): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if previously deferred, explain recognition in table form): Approximately NT$1.455 million

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Paid in full

12. Decision-making method for this transaction, reference basis for pricing, and decision-making unit: Executed in accordance with company authorization

13. Net asset value per share of the securities-issuing company acquired or disposed: Not applicable

14. Cumulative holdings (including this transaction) of the securities involved, as of now, including quantity, amount, ownership percentage, and restricted rights (e.g., pledge status): Quantity: Not applicable Amount: RMB 60 million Ownership percentage: Not applicable Restricted rights: None Cumulative holding amount: RMB 60 million

15. Cumulative securities investment (including this transaction) under Article 3 of the 'Regulations on Acquisition or Disposition of Assets by Publicly Issued Companies' as a percentage of total assets and equity attributable to owners of the parent in the company's latest financial statements, and the amount of working capital in the latest financial statements (Note 2): (1) Percentage of total assets: 25.061% (2) Percentage of equity attributable to owners of the parent: 48.866% (3) Working capital amount: NT$6,975,964 thousand

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal of securities: Short-term investment

18. Dissenting opinions from directors regarding this transaction: Not applicable

19. Is this transaction a related-party transaction? No

20. Date of auditor approval or audit committee consent: Not applicable

21. Did the accountant issue an adverse opinion on this transaction? Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant's license number: Not applicable

25. Does this involve a change in business model? No

26. Explanation of business model change: Not applicable

27. Transaction history with the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Internal funds

29. Previous date of material information release on the same event: Not applicable

30. Other explanatory matters: None