Announcement of Resignation of Board Secretary from Subsidiary Changchun Yingli Automotive Industry Co., Ltd.

Release Date: August 15, 2026 Statement Date: August 14, 2026 Statement Time: 16:04:56 Company Code: 2239 Company Name: Yingli-KY

Subject: Announcement of Resignation of Board Secretary of Subsidiary Changchun Yingli Automotive Industry Co., Ltd. Applicable Clause: Clause 8 Factual Date: August 14, 2026

Details: 1. Position Affected (e.g., Spokesperson, Acting Spokesperson, Key Operational Executive, Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Head, Internal Audit Head, Litigation/Non-litigation Agent): Board Secretary 2. Date of Change: August 14, 2026 3. Former Incumbent Name, Title, and Resume: Miao Yu, Board Secretary of Changchun Yingli Automotive Industry Co., Ltd. 4. New Appointee Name, Title, and Resume: To be announced following board appointment 5. Nature of Change (Resignation, Job Adjustment, Dismissal, Retirement, Death, New Appointment, Removal): Resignation 6. Reason for Change: Personal career planning 7. Effective Date: August 14, 2026 8. Additional Notes: Mr. Lin Shangwei, Chairman, will legally assume the duties of the Board Secretary until a successor is appointed.