Stock Code: 200771 Stock ID: Hangqilun B Announcement No.: 2023-59 Hangzhou Steam Turbine Power Group Co., Ltd. Announcement on the completion of industrial and commercial change registration of the joint-stock systemreform of Zhongneng Company The members of the Board and the Company acknowledge being responsible for the truthfulness, accuracy, and completeness of the announcement. Not any false record, misleading statement or significant omission carried in this announcement. Hangzhou Steam Turbine Power Group Co., Ltd. received a notice from its subsidiary-Hangzhou Zhongneng Steam Turbine Power Co., Ltd, noted that in order to further improve the corporate governance structure, improve the level of operation and management, enhance the management efficiency and comprehensive competitiveness, and achieve the sustainable development, Hangzhou Zhongneng Steam Turbine Power Co., Ltd. has completed the joint-stock system reform and as a whole changed to "Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd.". In this joint-stock system reform, all the shareholders of Hangzhou Zhongneng Steam Turbine Power Co., Ltd. are the promoters of the joint-stock company, and Hangzhou Zhongneng Steam Turbine Power Co., Ltd. is changed to a joint-stock company by converting net assets into shares, and all the shares of the joint-stock company are held by the shareholders of Hangzhou Zhongneng Steam Turbine Power Co., Ltd. in accordance with the original capital contribution ratio. All rights and obligations of Hangzhou Zhongneng Steam Turbine Power Co., Ltd. are inherited by Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd., which is established after the overall change. After the completion of this joint-stock reform, the Company's shareholding ratio in Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd. remains unchanged, which’s still at 46.8883%. The Company signed the "Concerted Action Person Agreement" with Li Ximing (vice chairman of Zhongneng Company) and Ge Cunfei (director of Zhongneng Company)-important natural person shareholders of Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd., taking concerted actions and holding more than 50% of the total share capital of Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd.,Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd. is still a holding subsidiary within the scope of the Company's consolidated statement. The above change will not have a material impact on the Company's financial position and results of operations for the year. 1/3 The specific information is announced as follows: I. Registration of changes in the joint-stock system reform Recently, Zhongneng Company completed the industrial and commercial registration procedures for the joint-stock system reform and obtained the "Business License" issued by the Hangzhou Municipal Administration for Market Regulation, with the specific registration information is as follows: Company name: Hangzhou Zhongneng Turbine Machinery Equipment Co., Ltd. Social unified credit code: 913301011430339690 Registered capital: 120,000,000 yuan Type: Other joint stock limited company (unlisted) Date of establishment: August 12, 1989 Domicile: No. 18, No. 22 Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Company business scope: general items: motor manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Pump and vacuum equipment sales; Generator and generator set manufacturing; sales of generators and generator sets; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export; Pump and vacuum equipment manufacturing; steam turbine and auxiliary engine sales; Steam turbine and auxiliary engine manufacturing; repair of general equipment; Mechanical and electrical equipment manufacturing; sales of mechanical and electrical equipment; Hydraulic turbine and auxiliary machine manufacturing; external project contracting; gas compression machinery sales; Gas compression machinery manufacturing (Except for items that must be approved according to law, independently carry out business activities according to law on the basis of business license). Permitted items: construction engineering; Construction engineering design (Items subject to approval according to law can only be carried out after approval by relevant departments, and the specific business items shall be subject to the results of approval). Shareholding structure of the stock limited company: Number of holdings Shareholding Name of shareholder (Ten thousand ratio (%) shares) Hangzhou Steam Turbine Power Group Co., Ltd. 5626.5900 46.8883 Li Ximing 984.0000 8.2000 Ge Cunfei 720.0000 6.0000 Hangzhou Xiaoneng Enterprise Management Consulting Partnership 717.8858 5.9825 (Limited Partnership) 2/3 Hangzhou Xuneng Enterprise Management Consulting Partnership 678.0000 5.6500 (Limited Partnership) Hangzhou Shuaineng Enterprise Management Consulting Partnership 630.0000 5.2500 (Limited Partnership) Hangzhou Ruineng Enterprise Management Consulting Partnership 546.0000 4.5500 (Limited Partnership) Feng Haisong 180.0000 1.5000 Qian Xiaodong 180.0000 1.5000 Zhu Lei 180.0000 1.5000 Du Hongfei 160.0000 1.3333 Qian Xiaoyuan 160.0000 1.3333 Zheng Yonghua 160.0000 1.3333 Hu Songqiang 160.0000 1.3333 Lai Guoyan 160.0000 1.3333 Zhang Weichu 154.8842 1.2907 Chen Denghua 126.0000 1.0500 Dong Hongchao 122.6400 1.0220 Ding Xuhui 120.0000 1.0000 Wang Zongyun 108.0000 0.9000 Tang Zhenhe 78.0000 0.6500 Xing Hongbin 48.0000 0.4000 II. Documents available for inspection 1. Industrial and commercial change registration form 2. Business license This announcement is hereby made. Hangzhou Steam Turbine Power Group Co., Ltd. June 27,2023 3/3