Dingxuan-KY Subsidiary Longyang Electric (Kunshan) Announces Acquisition of RMB-Linked Structured Deposit Products

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Coevolution Wisdom Trust FX-Linked RMB Structured Deposit A38232 Period C26A38232 Ningbo Bank Unit Structured Deposit 7202602860

2. Date of occurrence: June 16, 2026 ~ June 16, 2026

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Executed in accordance with company authorization June 16, 2026 (Republic of China Year 115)

5. Transaction quantity, unit price, and total transaction amount: A38232 Period C26A38232 (30 days): RMB 20 million Structured Deposit 7202602860 (32 days): RMB 30 million

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

7. If the counterparty is a related party, disclose the reason for selection, previous transferor, relationships among the 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 date and price of acquisition and disposal, 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 disposed receivables; if receivables from related parties are involved, disclose 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): Not applicable

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

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 rights restrictions (e.g., pledge status): Quantity: Not applicable Amount: RMB 50 million Ownership percentage: Not applicable Rights restrictions: None Cumulative holding amount: RMB 50 million

15. Cumulative investment in securities under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' (including this transaction), 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: 24.019% (2) Percentage of equity attributable to owners of the parent: 46.836% (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: 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 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 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: Existing working capital

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

30. Other explanatory matters: None