Zhen Ding-KY's Subsidiary Announces RMB 336 Million Mechanical and Electrical Engineering Contract

1. Type of contract: Commissioned construction on self-owned land 2. Date of occurrence: 2026/5/18~2026/5/18 3. Board of directors approval date: May 18, 2026 4. Other approval dates: Not applicable 5. Counterparty and its relationship with the company: Counterparty: Acter Group Co., Ltd. Relationship with the company: Non-related party 6. Main content of the contract (including total contract amount, planned investment amount, and contract period), restrictive clauses, and other important agreements: Contract content: Phase I interior fit-out and primary power distribution for power machine room in HB0708 & HB09 plants Total contract amount: RMB 336,000,000 (pre-tax) Contract period: July 2026 to October 2026 Restrictive clauses and other important agreements: None 7. Name of the professional appraisal firm or company and its valuation results: Not applicable 8. Name of the real estate appraiser: Not applicable 9. Real estate appraiser's practicing license number: Not applicable 10. Specific purpose of the acquisition: For production and operational needs 11. Opinions of directors expressing dissent to the current transaction: None 12. This transaction is a related-party transaction: No 13. Date of approval by supervisors or consent by the audit committee: Not applicable 14. Whether the valuation report is for a limited, specific, or special price: No or not applicable 15. Whether the valuation report has not yet been obtained: No or not applicable 16. Reason for not yet obtaining the valuation report: Not applicable 17. Reason for any significant discrepancy in valuation results and the accountant's opinion: Not applicable 18. Name of the accounting firm: Not applicable 19. Name of the accountant: Not applicable 20. Accountant's practicing license number: Not applicable 21. Date of previous material information announcement on the same event: Not applicable 22. Other explanatory matters: None