2481 Qiang Mao: Subsidiary Aide Energy (Cayman) Invests $3.024 Million in VTeam Siegfried Supply Chain Finance Fund

Release Date: July 28, 2026 Statement Date: July 27, 2026 Statement Time: 16:18:41 Company Code: 2481 Company Name: Qiang Mao Subject: Announcement by Subsidiary Aide Energy (Cayman) Holding Co., Ltd. Regarding Acquisition of VTeam Siegfried Supply Chain Finance Fund Applicable Clause: Item 24 Factual Date: July 27, 2026

Details: 1. Name and Nature of the Subject (For preferred shares, specify issuance terms such as dividend rate): Private securities of VTeam Siegfried Supply Chain Finance Fund

2. Factual Date: 07/27/2026

3. Number of Trading Units, Unit Price, and Total Transaction Amount: (A) Number of Units: Not applicable (B) Unit Price: Not applicable (C) Total Transaction Amount: USD 3,024,000

4. Counterparty and Relationship with the Company (If the counterparty is an individual and not a related party, name disclosure may be omitted): (A) Counterparty: Siegfried Asset Management Limited (B) Relationship with Company: Unrelated party

5. If the counterparty is a related party, state the reason for selection, previous owner, relationship among previous owner, company, and counterparty, transfer date, and amount: Not applicable

6. If the subject was owned by a related party within the past five years, disclose the related party's acquisition and disposal dates, price, and relationship with the company at the time: Not applicable

7. Matters related to the disposal of receivables (including types of collateral attached to disposed receivables; if receivables from related parties are disposed, disclose the party's name and book value): Not applicable

8. Gain (or loss) from disposal (not applicable for acquisition of securities; if deferred, list recognition schedule): Not applicable

9. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: As stipulated in the subscription agreement

10. Transaction decision method, pricing reference basis, and decision-making unit: (A) Decision method and pricing reference: As stipulated in the subscription agreement (B) Decision-making unit: Approved by the chairman of the subsidiary on 07/27/2026

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

12. Difference between private placement reference price and per-unit transaction price exceeding 20%: Not applicable

13. Cumulative holdings (including this transaction) of the securities: quantity, amount, ownership percentage, and rights restrictions (e.g., pledge status): Holding status of Aide Energy (Cayman) Holding Co., Ltd: (A) Quantity: Not applicable (B) Cumulative holding amount: USD 9,385,160.09 (C) Ownership percentage: Not applicable (D) Rights restriction status: None

14. Proportion of private securities investment (including this transaction) to total assets and equity attributable to parent company owners in the company’s latest financial statements, and operating capital amount in latest financial statements: Private securities investment by the subsidiary: (A) Percentage of parent company’s latest standalone financial statement total assets: 2.82% (B) Percentage of latest consolidated financial statement equity attributable to parent owners: 4.91% (C) Operating capital in parent company’s latest standalone financial statement: TWD -581,744 thousand

15. Manager and brokerage fees: None

16. Specific purpose or use of the acquisition or disposal of securities: Financial investment

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

18. Is this transaction a related-party transaction? No

19. Board approval date: Not applicable (non-related-party transaction)

20. Supervisor approval or audit committee consent date: Not applicable (non-related-party transaction)

21. Did the accountant issue a non-reasonableness opinion on this transaction? Not applicable

22. Name of accounting firm: Not applicable

23. Accountant name: Not applicable

24. Accountant license number: Not applicable

25. Other Disclosures: The subsidiary, despite having no funding shortage, has acquired securities.