1503 Shidian Invests NT$100 Million in Sustainable New Energy Technology Investment Limited Partnership

Disclosure Date: 1150709 Statement Date: 1150708 Statement Time: 152632 Company Code: 1503 Company Name: Shidian Subject: (Supplementary Announcement) The Company Acquired Privately Placed Securities Applicable Clause: Clause 24 Factual Date: 1130219

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

2. Factual Date: 113/02/19

3. Number of Units, Unit Price, and Total Transaction Amount: Number 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, name disclosure may be omitted): Counterparty: Sustainable New Energy Technology Investment Limited Partnership Relationship with Company: Unrelated party

5. If the counterparty is a related party, disclose the reason for selection, previous transferor, relationships among previous transferor, company, and counterparty, transfer date, and amount: Not applicable

6. If the ownership of the subject 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: Not applicable

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

8. Gain (or loss) from disposal (not applicable for acquisition of securities) (if deferred, list recognition details): 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 this transaction, reference basis for price determination, and decision-making unit: This transaction was conducted according to the company's approval authority and approved by the Chairman.

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, amount, ownership percentage, and rights restrictions (e.g., pledge status) to date: Quantity, amount, ownership percentage, and rights restrictions: Not applicable

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

15. Manager and brokerage fees: Not applicable

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

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

18. This transaction is a related-party transaction: No

19. Board approval date: Not applicable

20. Supervisor approval or Audit Committee consent date: Not applicable

21. Accountant issued non-reasonable opinion for this transaction: Not applicable

22. Accounting firm name: Not applicable

23. Accountant name: Not applicable

24. Accountant license number: Not applicable

25. Other Disclosures: None