8499 Dingxuan-KY Announces Acquisition of RMB-Linked Structured Deposit Product via Longyang Electric (Kunshan)

Disclosure Date: 1150708 Statement Date: 1150707 Statement Time: 165922 Company Code: 8499 Company Name: Dingxuan-KY Subject: Announcement on behalf of Longyang Electric (Kunshan) Co., Ltd. regarding the acquisition of a structured deposit financial product Applicable Clause: Clause 20 Factual Date: 1150707

Details: 1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Win-Win Huixin Finance RMB-Linked Structured Deposit Product, Series A41133, C26A41133

2. Factual Date: 115/7/7 ~ 115/7/7

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: As per company's authorization procedures July 7, 2026 (Minguo Year 115)

5. Transaction quantity, unit price, and total transaction amount: Series A41133, C26A41133, 61-day term: RMB 40 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): Counterparty: China CITIC Bank Corporation Limited; Relationship with company: None

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

8. If the ownership of the subject asset was held by 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 the disposal of receivables (including types of collateral attached to disposed receivables; if receivables are from related parties, disclose the party name and book value of receivables disposed): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if previously deferred, list recognition details): Not applicable

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: As per company's authorization procedures.

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 40 million Ownership percentage: Not applicable Rights restrictions: None Cumulative holding amount: RMB 40 million

15. Cumulative securities investments (including this transaction) under Article 3 of the 'Regulations on 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 (Note 2): (1) Percentage of total assets: 24.099% (2) Percentage of equity attributable to owners of the parent: 46.991% (3) Working capital amount: NT$6,688,594 thousand

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. Is this transaction a related-party transaction: No

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

21. Did the auditor issue a non-concurrence opinion on this transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Auditor name: Not applicable

24. Auditor 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 and expected future transactions with the counterparty within the past and next one year: Not applicable

28. Source of funds: Internal funds

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

30. Other disclosures: None