Shiden Announces Acquisition of Privately Placed Securities (Supplementary Announcement)

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Fund (Sustainable New Energy Technology Investment Limited Partnership)

2. Date of occurrence: 113/02/19

3. Number of trading units, unit price, and total transaction amount: Transaction quantity and unit price: Not applicable Total transaction amount: NT$100 million

4. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: Sustainable New Energy Technology Investment Limited Partnership Relationship with the company: Not a related party

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

6. If the ownership of the subject securities was held by a related party of the company within the past five years, disclose the related party’s acquisition and disposal dates, prices, 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 names and book amounts): Not applicable

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

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

10. Decision-making method for the transaction, reference basis for price determination, and decision-making body: The transaction was approved under the company’s authorized decision-making authority by the Chairman

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

12. Whether the private placement reference price of the securities-issuing company differs from the per-unit transaction price by more than 20%: Not applicable

13. Cumulative holdings of the securities involved in this transaction (including this transaction) to date, including quantity, amount, ownership percentage, and any restricted rights (e.g., pledge status): Quantity, amount, ownership percentage, and rights restrictions: Not applicable

14. Proportion of private placement securities investments (including this transaction) to the company’s total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital in the latest financial statements: (1) Percentage of total assets in the parent company’s latest standalone financial statements: 0.198% (2) Percentage of equity attributable to owners of the parent in the latest consolidated financial statements: 0.308% (3) Working capital in the parent company’s latest standalone financial statements: NT$2,851,006 thousand

15. Manager and brokerage fees: Not applicable

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

17. Dissenting opinions from directors regarding this transaction: Not applicable

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

19. Board approval date: Not applicable

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

21. Whether the accountant issued a non-reasonable opinion on this transaction: Not applicable

22. Name of the accounting firm: Not applicable

23. Name of the accountant: Not applicable

24. Accountant’s practice certificate number: Not applicable

25. Other disclosures: None