AOpen Subsidiary AOpen Technology (Zhongshan) Co., Ltd. Announces Purchase of Wealth Management Product

1. Name and nature of the subject matter (for preferred shares, specify issuance terms such as dividend rate): Wealth management product issued by China Construction Bank Co., Ltd.

2. Date of occurrence: July 1, 2026 – July 1, 2026

3. Board approval date: Not applicable

4. Other approval dates: Approval level: As per internal authorization procedures July 1, 2026 (Minguo Year 115)

5. Transaction quantity, unit price, and total transaction amount: RMB 92,000,000

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party, name disclosure may be omitted): China Construction Bank Co., Ltd. (unrelated party)

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

8. If the asset’s owner was 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 to disposed receivables; if receivables from related parties are involved, disclose names and book value): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities; deferred gains/losses should be explained in a table): Not applicable

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, reference basis for pricing, and decision-making unit: Conducted in accordance with Article 5 of the company’s Asset Acquisition and Disposal Procedures

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

14. Cumulative holdings (including this transaction) of the securities, amount, ownership percentage, and restricted rights (e.g., pledge status) to date: RMB 92,000,000

15. Proportion of securities investments (including this transaction) under Paragraph 3 of the “Regulations on Asset Acquisition and Disposal by Publicly Issued Companies” to total assets and equity attributable to owners of the parent in the company’s latest financial statements, and the amount of working capital in the latest financial statements: Percentage of total assets in latest financial statements: 11.23% Percentage of equity attributable to owners of the parent: 27.68% Working capital in latest financial statements: NT$1,153,865 thousand

16. Broker and brokerage fees: None

17. Specific purpose or use of the acquisition or disposal: Financial investment / Fixed principal-guaranteed wealth management product

18. Dissenting opinions from directors regarding this transaction: None

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’s 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 the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Internal funds

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

30. Other explanatory matters: None