Shinbon Announces Board Resolution to Dispose of Shares in Giant Microwave Technology Co., Ltd.

1. Name and nature of the subject matter (for preferred shares, specify issuance terms such as dividend rate): Ordinary shares of Giant Microwave Technology Co., Ltd.

2. Date on which the fact occurred: 115/7/23 ~ 115/7/23

3. Date of board approval: July 23, Year 115

4. Other approval dates: Not applicable

5. Number of transactions, unit price, and total transaction amount: Number of shares: 2,771,670 Unit price: NT$215 Total transaction amount: NT$595,909,050

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party of the company, name disclosure may be omitted): Counterparty: Shengda Technology Co., Ltd. Relationship with the company: None

7. If the counterparty is a related party, state the reason for selecting the related party as the transaction counterparty, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount: Not applicable

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

9. Matters related to the disposal of claims in this transaction (including types of collateral attached to the disposed claims; if the disposed claims are claims against related parties, state the names of the related parties and the book value of the claims disposed of): Not applicable

10. Gain (or loss) on disposal (not applicable for acquisition of securities) (if previously deferred, explain the recognition in a table): The disposal involves selling financial assets measured at fair value through other comprehensive income. The difference between the disposal price and the book value will be recognized in retained earnings and will not affect net profit after tax or earnings per share.

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: In accordance with the share purchase agreement signed by both parties.

12. Decision-making method for this transaction, reference basis for price determination, and decision-making unit: Approved by the board of directors

13. Net asset value per share of the company issuing the securities acquired or disposed: NT$35.75

14. Cumulative number, amount, ownership percentage, and rights restrictions (e.g., pledge status) of the securities involved in this transaction (including this transaction) held to date: All shares will be disposed of; post-disposal ownership will be 0.

15. Proportion of securities investments (including this transaction) listed under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to the total assets and equity attributable to owners of the parent company in the company's most recent financial statements, and the amount of working capital in the most recent financial statements (Note 2): Percentage of total assets in the most recent financial statements: 0% Percentage of equity attributable to owners of the parent company in the most recent financial statements: 0% Amount of working capital in the most recent financial statements: NT$642,584 thousand

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal of securities: Financial planning

18. Opinions of directors who objected to this transaction: None

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

20. Date of auditor's approval or audit committee's consent: July 23, Year 115

21. Whether the accountant issued a non-reasonableness opinion on this transaction: No

22. Name of the accounting firm: Chengda United Certified Public Accountants

23. Name of the accountant: Liu Hui-Ping

24. Accountant's license number: Taipei City CPA License No. 3907

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

26. Explanation of business model change: Not applicable

27. Transaction status 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 announcement regarding the same event: Not applicable

30. Other explanatory matters: None