Chengyey Company's Outstanding Guarantee Balance Reaches the Announcement Standard of Article 25, Paragraph 1, Item 4 of the "Regulations Governing Lending and Guaranteeing of Funds by Public Companies"

1. Date of event: May 6, 2026 2. Company for which endorsement/guarantee is provided: (1) Company name: Xingye Biotechnology Co., Ltd. (2) Relationship with the company providing the endorsement/guarantee: 100% subsidiary (3) Guarantee limit (thousand yuan): 15,259,046 (4) Original outstanding guarantee balance (thousand yuan): 0 (5) Amount of new guarantee provided this time (thousand yuan): 5,300,000 (6) Outstanding guarantee balance as of the date of occurrence (thousand yuan): 5,300,000 (7) Amount actually utilized by the endorsed/guaranteed company (thousand yuan): 0 (8) Reason for new guarantee provision: For the purpose of subsidiary financing. 3. Collateral provided by the company for which endorsement/guarantee is provided: (1) Content: None (2) Value (thousand yuan): 0 4. Latest financial statements of the company for which endorsement/guarantee is provided: (1) Capital (thousand yuan): 936,000 (2) Accumulated profit/loss amount (thousand yuan): 46,475 5. Conditions for release of endorsement/guarantee liability: (1) Conditions: Contract term expires, guaranteed bank loan principal and interest are fully repaid, or other conditions for release of guarantee liability are met. (2) Date: The date when the contract term expires, the guaranteed bank loan principal and interest are fully repaid, or other conditions for release of guarantee liability are met. 6. Total guarantee limit (thousand yuan): 22,888,569 7. Outstanding guarantee balance as of the date of occurrence (thousand yuan): 9,272,863 8. Ratio of outstanding guarantee balance provided by A as of the date of occurrence to the net worth in the latest financial statements of the public company: 122.00 9. Total ratio of outstanding guarantee, long-term investment, and fund lending as of the date of occurrence to the net worth in the latest financial statements of the public company: 98.00 10. Other matters to be noted: None Keywords: Material Information