Dingxuan-KY Announces Subsidiary Longyang Electronics (Kunshan) Disposal of Deposit Financial Products

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate):
Gongying Huixin FX-Linked RMB Structured Deposit A31382 Period C26A31382
Minsheng Wealth Management Guizhu Fixed-Income Growth Monthly Yield 30-Day Holding Period No. 53 Wealth Management Product

2. Date of occurrence: June 15, 2026 ~ June 15, 2026

3. Board approval date: Not applicable

4. Other approval dates:
Approval level: Executed in accordance with company authorization authority
June 15, 2026 (Minguo Year 115)

5. Transaction quantity, unit price, and total transaction amount:
A31382 Period C26A31382 (86 days): RMB 30 million
Minsheng Wealth Management No. 53 Product (30 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):
China CITIC Bank Co., Ltd.; Relationship with the company: None

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

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

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

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if previously deferred, explain recognition details in table form):
Approximately NT$530,000

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 authority

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

14. Cumulative holdings (including this transaction) of the securities involved, including quantity, amount, ownership percentage, and any restricted rights (e.g., pledge status):
Quantity: Not applicable
Amount: RMB 50 million
Ownership percentage: Not applicable
Rights restriction status: None
Cumulative holding amount: RMB 50 million

15. Cumulative securities investments (including this transaction) under Article 3 of the 'Regulations on the Acquisition or Disposal of Assets by 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 in the latest financial statements:
(1) Percentage of total assets: 24.065%
(2) Percentage of equity attributable to owners of the parent: 46.925%
(3) Working capital amount: NT$6,975,964,000

16. Broker and brokerage fees:
Not applicable

17. Specific purpose or use of the acquisition or disposal:
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 supervisor approval or audit committee consent:
Not applicable

21. Did the accountant issue a non-reasonableness opinion on this transaction? Not applicable

22. Name of accounting firm:
Not applicable

23. Name of accountant:
Not applicable

24. Accountant's practice certificate 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 disclosure on the same event: Not applicable

30. Other explanatory matters:
None