Longyang Electric (Kunshan) Announces Acquisition of RMB 30 Million Structured Deposit Product from CTBC Bank

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Coeasy Huixin Exchange Rate-Linked RMB Structured Deposit A39524 Period C26A39524

2. Date of occurrence: June 23, 2026 ~ June 23, 2026

3. Board approval date: Not applicable

4. Other resolution dates: Approval level: Executed in accordance with company authorization June 23, 2026 (Republic Era Year 115)

5. Transaction quantity, unit price, and total amount: A39524 Period C26A39524 30-day product: RMB 30 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: CTBC Bank Co., Ltd. Relationship with 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 asset was held by a related party of the company within the past five years, disclose the date, price, and relationship with the company 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/losses must be explained 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 the 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 to date in terms of quantity, amount, ownership percentage, and any restrictions on rights (e.g., pledge status): Quantity: Not applicable Amount: RMB 30 million Ownership percentage: Not applicable Rights restriction status: None Cumulative holding amount: RMB 30 million

15. Proportion of securities investments (including this transaction) under Article 3 of the "Regulations on Acquisition or Disposition of Assets by Publicly Issued Companies" to total assets and equity attributable to parent owners in the latest financial statements, and the amount of working capital in the latest financial statements: (1) Proportion to total assets: 23.78% (2) Proportion to equity attributable to parent owners: 46.369% (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-reasonableness opinion on this transaction: 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 material information announcement date for the same event: Not applicable

30. Other explanatory matters: None