[United Renewable] Company or Subsidiary to Jointly Establish U.S. Joint Venture with Sino-American Silicon Products Inc. or Its Subsidiary

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Ordinary shares of the joint venture company

2. Date on which the fact occurred: July 21, 115 ~ July 21, 115

3. Date of board approval: July 21, Year 115 of the Republic of China

4. Other approval dates: Not applicable

5. Transaction quantity, unit price, and total transaction amount: Number of transaction units: Not applicable Unit price: Not applicable Total transaction amount: Up to USD 11.76 million (equivalent to TWD 378,319,200)

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): Not applicable

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

8. If the ownership of the subject asset was held by 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 of transaction: 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 the name of the related party and the book value of the receivables disposed): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities; if previously deferred, provide a table showing recognition status): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: In accordance with the funding needs of the joint venture company

12. Decision-making method for this transaction, reference basis for pricing, and decision-making body: In accordance with the funding needs of the joint venture company

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

14. Cumulative holdings (including this transaction) of the securities involved, including quantity, amount, ownership percentage, and any restrictions on rights (e.g., pledge status): (1) Cumulative holding amount: Equity investment in ordinary shares of the joint venture company up to USD 11.76 million (2) Cumulative ownership percentage: 49% (3) Rights restriction status: None

15. Cumulative securities investments (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' as a percentage of 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 (Note 2): Percentage of total assets: 18.53% Percentage of equity attributable to owners of the parent: 34.96% (This investment amount is USD 11.76 million, equivalent to TWD 378,319,200, calculated at an exchange rate of 1:32.17) Working capital amount: -971,170 thousand TWD

16. Broker and brokerage fees: None

17. Specific purpose or use of the acquisition or disposal of securities: Engage in local solar module manufacturing and sales in the United States

18. Dissenting opinions from directors regarding this transaction: None

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

20. Date of supervisor approval or audit committee consent: Not applicable

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

22. Name of accounting firm: None

23. Name of accountant: None

24. Accountant’s license number: None

25. Does this involve 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: Internal funds

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

30. Other explanatory matters: None