Guangzhou Huarun Thermal Power Co., Ltd. Guangzhou Company - Chemical Environment - Valve Body Procurement -2504 Change Announcement No.: DLBGGG202504150011 The Guangzhou Company - Chemical Environment - Valve Body Procurement -2504 Announcement (Project No.: 6GZNS020250400058) issued by our company on April 9, 2025, has made the following changes: the deadline for quotation before and after the type change is 08:00:00 on April 15, 2025, and 14:00:00 on April 17, 2025. The deadline for clarification before the bid is 08:00:00 on April 13, 2025, and 08:00:00 on April 16, 2025. Except for the above changes, the remaining contents of the original announcement are still valid. Guangzhou Huarun Thermal Power Co., Ltd. April 15, 2025