Chongqing Energy Investment Group Co., Ltd. Chuanyu Electric Power Branch Fengdu Production Department Nanjiang Power Station Water Intake and Front Pool Gate Comprehensive Control Screen Procurement Change Announcement Change Announcement No. NTBGGG202504240001 The company has made the following changes to the Fengdu Production Department Nanjiang Power Station Water Intake and Front Pool Gate Comprehensive Control Screen Procurement Announcement (Project No. NTCGXY02504200005), which was released on April 20, 2025. The deadline for quotation before and after the type change is 9:30:00:00 on April 23, 2025, 10:00:00:00 on April 25, 2025, and the deadline for pre bid clarification is 9:30:00:00 on April 23, 2025, 20:00:00:00 on April 25, 2025. Except for the above changes, the remaining content of the original announcement remains valid. Chongqing Energy Investment Group Co., Ltd. Chuanyu Electric Power Branch, April 24, 2025