[Yageo] Announcement by Subsidiary Dongguan Chilisin Electronics Co., Ltd. on Acquisition of Wealth Management Product

1. Name and nature of the subject matter (for preferred shares, specify agreed terms such as dividend rate): China Construction Bank Structured Wealth Management Product

2. Date of occurrence: 115/8/13 ~ 115/9/23

3. Board approval date: Not applicable

4. Other resolution dates: Resolution level: Not applicable September 23, Year 115

5. Transaction quantity, unit price, and total transaction amount: Number of units, unit price: None Total transaction amount: RMB 105,000,000

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: China Construction Bank 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 transfer 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, price, and relationship at the time of acquisition and disposal: Not applicable

9. Matters concerning the disposal of receivables (including types of collateral; if receivables from related parties, disclose names and book amounts): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (deferred gains shall be presented in table form): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Full payment at once

12. Decision-making method for this transaction, reference basis for pricing, and decision-making unit: Based on internal authorization procedures of the company

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, amount, ownership percentage, and rights restrictions (e.g., pledge status) to date: Cumulative holding amount: RMB 65,000,000 Rights restriction status: None

15. Proportion of securities investments (including this transaction) listed under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to total assets and equity attributable to owners of the parent in the most recent financial statements, and the working capital amount in the most recent financial statements (Note 2): Percentage of total assets: 0.09% Percentage of equity attributable to owners of the parent: 0.17% Working capital amount in the most recent financial statements: NT$ -76,476,038 thousand

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of acquiring or disposing of securities: Investment and wealth management

18. Dissenting opinions from directors regarding this transaction: None

19. Whether this transaction is a related-party transaction: No

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

21. Whether the accountant issued an unreasonable opinion on this transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Accountant’s name: Not applicable

24. Accountant’s license number: Not applicable

25. Does it 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: Not applicable

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

30. Other explanatory matters: None