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):

CITIC Trust Xinheng No. 2 3M Collective Fund Trust Plan Gongying Huixin Currency-Linked RMB Structured Deposit A34967 Period C26A34967

2. Date of occurrence: 115/7/30 ~ 115/7/30

3. Board approval date: Not applicable

4. Other approval dates:

Approval level: Executed in accordance with company authorization

July 30, 2026 (Minguo 115)

5. Transaction quantity, unit price, and total transaction amount:

CITIC Trust Xinheng No. 2 3M Collective Fund Trust Plan 90-day: RMB 20 million

A34967 Period C26A34967 90-day: RMB 10 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):

CITIC Bank Co., Ltd.; Relationship with company: None

7. If the counterparty is a related party, disclose the reason for selection, previous transferor, relationship among previous transferor, company, and counterparty, transfer date, and amount:

Not applicable

8. If the owner of the subject matter was a related party of the company within the past five years, disclose the related party’s acquisition and disposal date, price, and relationship with the company at the time:

Not applicable

9. Matters related to disposal of receivables (including types of collateral attached to disposed receivables; if receivables from related parties, disclose the name and book value of receivables disposed):

Not applicable

10. Disposal gain (or loss) (not applicable for acquisition of securities; if previously deferred, explain recognition status in table form):

CITIC Trust Xinheng No. 2 3M Collective Fund Trust Plan: Disposal gain of NT$558,000

A34967 Period C26A34967: Disposal gain of NT$206,000

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

Paid in full

12. Transaction decision method, pricing reference basis, and decision-making unit:

Executed in accordance with company authorization

13. Net asset value per share of the securities-issuing company:

Not applicable

14. Cumulative holdings (including this transaction) of the securities as of now—quantity, amount, ownership percentage, and rights restrictions (e.g., pledge status):

Quantity: Not applicable

Amount: RMB 30 million

Ownership percentage: Not applicable

Rights restrictions: None

Cumulative holding amount: RMB 30 million

15. Cumulative securities investments under Article 3 of the 'Regulations on Acquisition or Disposal of Assets by Publicly Issued Companies' (including this transaction) 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:

(1) Percentage of total assets: 18.705%

(2) Percentage of equity attributable to owners of the parent: 36.473%

(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 director opinions on this transaction:

Not applicable

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

20. Date of supervisor approval or audit committee consent:

Not applicable

21. Whether the accountant issued a non-reasonable 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. Whether it involves 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:

Self-owned funds

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

30. Other explanatory matters:

None