Topco Announces Subsidiary Taichung Display Optronics Co., Ltd. Signs Construction Contract with Related Party

1. Type of contract: Engineering contract 2. Date of occurrence of the event: 115/5/6~115/5/6 3. Date of board of directors' approval: May 6, 115 4. Other approval dates: Not applicable 5. Counterparty to the contract and its relationship with the company: Counterparty: Jian Yue Technology Engineering Co., Ltd. Relationship with the company: Subsidiary of Topco Scientific Co., Ltd. 6. Main content of the contract (including total contract amount, estimated investment amount, and contract start/end dates), restrictive clauses, and other important agreed matters: (1) Project content: Nanke Zero Waste Center Project (2) Project procurement amount: Not exceeding NT$151 million (excluding tax) (3) Restrictive clauses and other important agreed matters: None. 7. Name of professional valuation firm or company and its valuation results: Not applicable 8. Name of real estate appraiser: Not applicable 9. Real estate appraiser's license number: Not applicable 10. Specific purpose of acquisition: Design planning and engineering services 11. Opinions of directors who expressed dissent on this transaction: None 12. This transaction is a related-party transaction: Yes 13. Date of approval by supervisors or audit committee: May 6, 115 14. Is the valuation report for a limited price, specific price, or special price: No or Not applicable 15. Is the valuation report not yet obtained: No or Not applicable 16. Reason why the valuation report is not yet obtained: Not applicable 17. If there is a material difference in the valuation results, the reason for the difference and the CPA's opinion: Not applicable 18. Name of accounting firm: Not applicable 19. Name of CPA: Not applicable 20. CPA's license number: Not applicable 21. Date of previous material information disclosure for the same event: Not applicable 22. Other matters to be specified: None