ASE Holding Announces Subsidiary Taiwan Fuhre Electronics' Planned Disposal of Nanshan Life's Perpetual Cumulative Subordinated Bonds

1. Name and nature of the subject matter (if preferred shares, specify issuance conditions such as dividend rate): Nanshan Life Insurance Co., Ltd. 2016 Series 1 Perpetual Cumulative Subordinated Bonds

2. Date of occurrence: 2026/6/18 ~ 2026/6/18

3. Board approval date: June 18, 2026

4. Other approval dates: Not applicable

5. Transaction quantity, unit price, and total transaction amount: Number of bonds disposed: 1,000 units Face value per bond: TWD 1,000,000 Total transaction amount: TWD 1,000,000,000

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: Nanshan Life Insurance Co., Ltd. Relationship with the company: None

7. If the counterparty is a related party, state the reason for selecting them, previous transferee, relationships among previous transferee, company, and counterparty, transfer date, and amount: Not applicable

8. If the owner of the subject matter was a related party of the company within the past five years, state the related party's acquisition and disposal dates, price, and relationship with the company at the time: Not applicable

9. Matters related to the disposal of receivables (including types of collateral attached to the disposed receivables; if disposing receivables from a related party, state the party's name and book value): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if previously deferred, state recognition details): Interest income recognized this year: TWD 35,000,000 Cumulative interest income recognized during holding period: TWD 350,000,000

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Delivery or payment terms: Full payment in one installment Contractual restrictions and other important agreements: None

12. Decision-making method for this transaction, basis for price determination, and decision-making unit: The issuing company will redeem all bonds at the original issue price of TWD 1,000,000 per bond

13. Net asset value per share of the securities-issuing company: Not applicable

14. Cumulative holdings (including this transaction) of the securities involved, in terms of quantity, amount, ownership percentage, and rights restrictions (e.g., pledge status): Cumulative holding quantity: 0 units Cumulative holding amount: TWD 0 Ownership percentage: Not applicable Rights restriction status: None

15. Proportion of securities investments (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to the company's 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 (Note 2): Proportion to total assets in latest financial statements: 4.16% Proportion to equity attributable to owners of the parent: 4.99% Working capital in financial statements: TWD -3,568,201 thousand

16. Broker and brokerage fees: None

17. Specific purpose or use for acquiring or disposing of securities: The issuing company will redeem all bonds at the original issue price of TWD 1,000,000 per bond

18. Dissenting directors' opinions on this transaction: Not applicable

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

20. Date of auditor's acknowledgment or audit committee approval: Not applicable

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

22. Name of accounting firm: Not applicable

23. Name of 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 in the next year: None

28. Source of funds: Not applicable

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

30. Other explanatory matters: None