Xuzhou Huarun Power Co., Ltd. Xuzhou Huaxin Power Generation Co., Ltd. Impeller Procurement Change Announcement Number: DLBGGG202505200002 The Xuzhou Huaxin Power Generation Co., Ltd. Impeller Procurement Announcement (Project Number: 6XZHR02022050500091) issued by our company on May 13, 2025, has been changed as follows: the deadline for quotation before and after the type change is 14:53:47 on May 18, 2025, and 11:53:47 on May 21, 2025. Except for the above changes, the rest of the original announcement is still valid. Xuzhou Huarun Power Co., Ltd. May 20, 2025