Dingxuan-KY Subsidiary Longyang Electronics (Kunshan) Announces Disposal of Income Certificates

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): GF Securities Income Certificate "Income Treasure" No. 16 CITIC Construction Investment Securities Income Certificate "Bullish Treasure" Phase 1040

2. Date on which the fact occurred: 115/9/23 ~ 115/9/23

3. Board approval date: Not applicable

4. Other resolution dates: Resolution level: Executed according to company's authorization authority September 23, Year 115 (ROC)

5. Transaction quantity, unit price, and total transaction amount: Income Treasure No. 16: RMB 20 million Bullish Treasure Phase 1040: RMB 10 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): GF Securities Co., Ltd.; Relationship with our company: None CITIC Construction Investment Securities Co., Ltd.; Relationship with our company: None

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

8. If the owner of the asset has been 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; if receivables from a related party are involved, disclose the party’s name and book value of the receivable being disposed): Not applicable

10. Gain (or loss) from disposal (not applicable if acquiring securities; deferred gains should be explained in table form): Approximately NT$749 thousand

11. Delivery or payment terms (payment period and amounts), contractual restrictions, and other important agreements: Paid in full

12. Decision-making method for this transaction, reference basis for pricing, and decision-making unit: Executed according to company's authorization authority

13. Net asset value per share of the issuer of the acquired or disposed securities: Not applicable

14. Cumulative holdings (including this transaction) of the securities involved, including quantity, amount, ownership percentage, and any restricted rights (e.g., pledge status): Quantity: Not applicable Amount: RMB 30 million Ownership percentage: Not applicable Restricted rights status: None Cumulative holding amount: RMB 30 million

15. Cumulative investments in securities under Article 3 of the 'Regulations Governing Acquisitions and Dispositions of Assets by Publicly Issued Companies' (including this transaction), as a percentage of total assets and equity attributable to owners of parent in the latest financial statements, and the amount of working capital in the latest financial statements (Note 2): (1) Percentage of total assets: 7.545% (2) Percentage of equity attributable to owners of parent: 14.927% (3) Working capital amount: NT$6,897,567 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. Whether this transaction is a related-party transaction: No

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

21. Whether auditors issued a non-reasonableness opinion on this transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Name of auditor: Not applicable

24. Auditor license number: Not applicable

25. Whether this involves a change in business model: No

26. Explanation of business model change: Not applicable

27. Transaction history with counterparties over the past year and expected transactions in the next year: Not applicable

28. Source of funds: Internal funds

29. Previous date of material information release regarding the same event: Not applicable

30. Other disclosures: None