Yageo Corporation Announces Subsidiary's Disposal of Structured Financial Product

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

2. Date of occurrence: May 20, 2026 ~ June 30, 2026

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Not applicable June 30, 2026 (Minguo Year 115)

5. Transaction quantity, unit price, and total transaction amount: Number of units and unit price: Not applicable Total transaction amount: RMB 100,000,000

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: China Construction Bank Relationship with the company: None

7. If the counterparty is a related party, disclose the reason for selecting the related party, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous 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 related party’s acquisition and disposal date, price, and relationship with the company at the time of transaction: Not applicable

9. Matters related to the disposal of receivables (including types of collateral attached to the disposed receivables; if disposal involves receivables from related parties, disclose the name and book value of such receivables): Not applicable

10. Disposal gain (or loss) (not applicable for acquisition of securities) (if previously deferred, provide a table showing recognition status): RMB 127,208

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 the transaction, basis for price determination, and decision-making unit: Based on the company’s internal approval authority

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, including quantity, amount, ownership percentage, and any restricted rights (e.g., pledge status): Cumulative holding amount: RMB 20,000,000 Rights restriction status: None

15. Cumulative securities investments 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: Percentage of total assets: 0.03% Percentage of equity attributable to owners of the parent: 0.06% Working capital in latest financial statements: NT$ -76,476,038 thousand

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal: Investment and financial management

18. Dissenting opinions from directors regarding this transaction: None

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

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

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

22. Name of the accounting firm: Not applicable

23. Name of the accountant: Not applicable

24. Accountant’s practice certificate 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 the counterparty in the past year and expected transactions in the next year: Not applicable

28. Source of funds: Not applicable

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

30. Other explanatory matters: None