Stock Code: 200771 Stock ID: Hangqilun B Announcement No.: 2025-20 Hangzhou Turbine Power Group Co., Ltd. Resolutions of the 12th Meeting of the Ninth Term of Board The members of the Board and the Company acknowledge being responsible for the truthfulness, accuracy, and completeness of the announcement. There are no false records, misleading statements, or significant omissions carried in this announcement. The notice for calling of the 12th Meeting of the Ninth term of Board of Hangzhou Turbine Power Group Co., Ltd. was served on March 12,2025, and the meeting was held on March 17, 2025 in the meeting room No.304 of Turbine power Building of the Company. All of the 9 directors attended the meeting and examined and voted on the proposals on the meeting. The supervisors and senior executives of the Company observed the meeting. The meeting procedures are legal and complying with the Company Law and Articles of Association. The meeting was hosted by Chairman Ye Zhong. The following proposals were examined at the meeting and passed by open ballot： I.Proposal on the establishment of the share participating subsidiary through outward investment The proposal was adopted by 9 votes in favor, 0 vote objection and 0 vote waived. In order to accelerate the commercialization process of independent gas turbines, the Company plans to jointly invest in the establishment of a joint venture with Jiangsu Yangjing Petrochemical Group Co., Ltd. to comprehensively promote the construction of independent gas turbine test and application demonstration base. For details of the proposal please refer to the announcement disclosed by the company on http://www.cninfo.com.cn on March 18, 2025(Announcement No.:2025-21). II. Proposal on External Donation The proposal was adopted by 9 votes in favor, 0 vote objection and 0 vote waived. In order to fulfill corporate social responsibility, the Company donated 10,000 yuan to the "ChunfengAction" charity activity of Shiqiao Street, Gongshu District, Hangzhou City. Documents available for inspection 1. Resolutions of the 12th Meeting of the 9th Board of Directors. The Board of Directors of Hangzhou Turbine Power Group Co., Ltd. March 18,2025