5871 CTBC-KY: Subsidiary Announces Acquisition of 35% Equity Stake in Haoru Electric Co., Ltd.

Announcement Date: July 24, 115 Statement Date: July 23, 115 Statement Time: 18:12:42 Company Code: 5871 Company Name: CTBC-KY

Subject: Announcement by Zhongyu Electric Co., Ltd., a joint subsidiary of CTBC Dihe, Hedi, and Zhongxin, regarding the acquisition of a 35% equity stake in Haoru Electric Co., Ltd.

Applicable Clause: Clause 20 Factual Date: July 23, 115

Details:

1. Name and nature of the subject matter (if preferred shares, specify dividend rate and other conditions): Equity in Haoru Electric Co., Ltd.

2. Factual date: July 23, 115 ~ July 23, 115

3. Board approval date: July 23, 115 (Republic of China calendar)

4. Other approval dates: Not applicable

5. Transaction quantity, unit price, and total transaction amount: 98,000,000 shares at NT$12.23 per share Total transaction amount: NT$1,198,823,452

6. Counterparty and its relationship with the company (if individual and not a related party, name may be omitted): Acer Inc.; related party

7. If counterparty is a related party, state reasons for selection, previous owner, relationships among previous owner, company, and counterparty, transfer date, and amount: Reason: To execute the joint long-term energy storage strategy roadmap, equity adjustment is conducted to facilitate future project leadership and advancement.

8. If the ownership of the subject matter was held by a related party of the company within the past five years, disclose acquisition/disposal date, price, and relationship at the time: Not applicable

9. Matters related to disposal of receivables (including types of collateral, and if receivables from related parties, disclose names and book amounts): Not applicable

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

11. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important agreements: Cash payment of NT$1,198,823,452

12. Decision-making method for the transaction, reference basis for pricing, and decision-making unit: Based on the accountant's reasonableness opinion, considering profitability and future growth potential. Decision-making unit: Board of Directors of Zhongyu Electric Co., Ltd.

13. Net asset value per share of the securities-issuing company: NT$9.98

14. Cumulative holdings (including this transaction) of the securities: quantity, amount, ownership percentage, and rights restrictions (e.g., pledge status): Cumulative holdings: 182,000,000 shares Total investment amount (including this): NT$2,038,823,452 Ownership percentage (including this): 65% Rights restrictions: None

15. Proportion of securities investments (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to total assets and equity attributable to parent company in the latest financial statements, and working capital amount: Securities investment as % of total assets: 6.06% Securities investment as % of shareholders' equity: 6.66% Working capital: NT$-5,516,833,512

16. Broker and brokerage fees: None

17. Specific purpose or use of the acquisition or disposal: Long-term investment

18. Dissenting opinions from directors regarding this transaction: None

19. Is this a related-party transaction: Yes

20. Date of supervisor approval or audit committee consent: July 23, 115 (ROC)

21. Did the accountant issue a non-reasonable opinion for this transaction: No

22. Name of accounting firm: Ri Zheng United Certified Public Accountants

23. Name of accountant: Lin Jian-Ren

24. Accountant license number: FSC Certificate No. 6325

25. Does this involve 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: Past year: NT$0 (excluding this transaction) Next year: NT$1,198,823,452 (including this transaction)

28. Source of funds: Internal funds and bank loans

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

30. Other explanatory matters: None