Dingxuan-KY Announces Subsidiary Longyang Electronics (Kunshan) Disposal of RMB-Linked Structured Deposit

1. Name and nature of the subject asset (if preferred shares, specify issuance terms such as dividend rate): Gongying Huixin Currency-Linked RMB Structured Deposit A35258 Period C26A35258

2. Date on which the fact occurred: 8/7/2026 ~ 8/7/2026

3. Date approved by the board of directors: Not applicable

4. Other approval dates: Approval level: Executed in accordance with company authorization August 7, 2026

5. Transaction quantity, unit price, and total transaction amount: A35258 Period C26A35258 90-day: RMB 30 million

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party of the company, name disclosure may be omitted): CITIC Bank Co., Ltd.; Relationship with the company: None

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

8. If the owner of the subject asset was a related party of the company within the past five years, disclose the date and price of acquisition and disposal by the related party, and the 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 receivables from a related party are disposed, disclose the name of the related party and the book value of the disposed receivables): Not applicable

10. Gain (or loss) from disposal (not applicable if acquiring securities) (if previously deferred, explain recognition in table form): NT$615,000

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 price determination, 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 in this transaction, as of now, including 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. As of now, the proportion of securities investments (including this transaction) listed under Article 3 of the 'Regulations Governing Acquisitions and Disposals of Assets by Publicly Issued Companies' to the total assets and equity attributable to owners of the parent company in the company's most recent financial statements, and the amount of working capital in the most recent financial statements (Note 2): (1) Proportion to total assets: 17.777% (2) Proportion to equity attributable to owners of the parent company: 34.664% (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. 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: 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 status 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 regarding the same event: Not applicable

30. Other explanatory matters: None