Dingxuan-KY Subsidiary Longyang Electric (Kunshan) Announces Acquisition of Deposit Wealth Management Product

1. Name and nature of the subject matter (for preferred shares, specify terms such as dividend rate): China Trust Wealth Management Anyingxiang Fixed-Income Stable Two-Month Holding Period No. 46 Wealth Management Product AF264980

2. Date of occurrence: 115/6/25 ~ 115/6/25

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Executed in accordance with company authorization June 25, Year 115 (2026)

5. Transaction quantity, unit price, and total amount: Wealth Product No. 46 AF264980, 60-day term: NT$49.7 million

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

7. If the counterparty is a related party, state the reason for selection, previous transferor, relationships among previous transferor, company, and counterparty, 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 at the time of acquisition and disposal: Not applicable

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

10. Gain (or loss) from disposal (not applicable for acquisition of securities; deferred gains shall be detailed): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: One-time full 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: Not applicable

14. Cumulative holdings (including this transaction) of the securities: quantity, amount, ownership percentage, and any restrictions on rights (e.g., pledge status): Quantity: Not applicable Amount: NT$49.7 million Ownership percentage: Not applicable Rights restrictions: None Cumulative holding amount: NT$49.7 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 parent company owners in the latest financial statements, and the amount of working capital: (1) Percentage of total assets: 23.869% (2) Percentage of equity attributable to parent company owners: 46.544% (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 opinions from directors regarding this transaction: Not applicable

19. Is this a related-party transaction? No

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

21. Did the accountant issue a non-reasonable opinion? Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant 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 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