Stock Code: 200771 Stock ID: Hangqilun B Announcement No.: 2023-22 Hangzhou Steam Turbine Power Group Co., Ltd. Announcement on Changing the English name, Registered Capital , and Amending the Articles of Association 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. On March 27, 2023, the 32nd meeting of the Eighth Board of Directors will be held, and the Proposal on the English name ,Registered Capital and Amending the Articles of Association will be deliberated and approved. The specific matters are as follows: 1. According to the company’s development needs and business strategy, in order to enhance the company’s brand image in the international market, it is proposed to change the company’s En glish name, details are as follows: Before the change After change HANGZHOU STEAM TURBINE HANGZHOU TURBINE POWER GROUP CO.,LTD. POWER GROUP CO.,LTD. 2. Due to the repurchase and cancellation of 531,180 restricted stocks and the repurchase and cancellation of 111,800 remaining stocks in the special securities account, the total share capital of the Company will be reduced from 980,179,980 to 979,537,000, and the registered capital of the Company will be reduced from RMB 980,179,980 to RMB 979,537,000. Based on the above-mentioned changes in registered capital, the Company intends to revise the corresponding articles in the Articles of Association. 3. According to the relevant requirements of improving party building and governing enterprises according to law, the corresponding articles of association will be revised. For details, please refer to Annex: Comparison Table of Amendments to Articles of Association. This proposal needs to be submitted to the General Meeting of Shareholders for deliberation after it is reviewed and approved by the Board of Directors. The above changes in registered capital and amendments to the Articles of Association shall be subject to the final approval of the industrial and commercial registration authority. 1/8 The Board of Directors of Hangzhou Steam Turbine Power Group Co., Ltd. March 29, 2023 Annex: Comparison Table of Amendments to Articles of Association S/N Before amendment After amendment 1 Article 2 According to the relevant Article 2 According to the Constitution, the provisions of Company Law and Constitution of the Communist Party of China, the Constitution of the Communist Party of Company Law and the Work Regulations of Communist China, the party organization has a legal Party of China (CPC) in the Grassroots Organizations of position in the corporate governance State-owned Enterprises (Trial), the Company establishes structure, and plays a leading and a Party Committee to carry out Party activities and political core role. provide basic guarantees, and coordinates the work among the Board of Directors, the Board of Supervisors and the management. The Board of Directors, the Board of Supervisors and the management shall exercise relevant rights and obligations according to their respective responsibilities and jointly implement the party's guidelines, principles and policies. 2 Article 3 In accordance with the Deleted this clause. Constitution, the Constitution of the Communist Party of China and the Company Law, the Company shall set up a Party Committee to carry out its work according to the requirements of the higher-level party organization and coordinate the work among the Board of Directors, the Board of Supervisors and the management. The Board of Directors, the Board of Supervisors and the management shall exercise relevant rights and obligations according to their respective responsibilities and jointly implement the party's guidelines, principles and policies. 2/8 3 Added one clause: Article 3 The Company comprehensively promotes the construction of enterprise's rule of law, and adheres to the joint promotion of governance, operation and management according to law, so as to promote the sustained and healthy development of the enterprise. 4 Article 5, paragraph 2 Article 5, paragraph 2 After the profit distribution plan In 2023, the Company will repurchase and cancel approved by the company at the 2021 531,180 restricted stocks, cancel and repurchase 111,800 Annual General Meeting of remaining shares, and the Company's share capital will Shareholders was implemented with 3 be changed to 979,537,000, shares distributed for every 10 shares, of which 623,772,240 is held by the corporate the company's share capital increased to shareholder Hangzhou Steam Turbine Power Group 980,179,980 shares, of which Co., Ltd., accounting for 63.68% of the total share 623,772,240 shares were national legal capital; Domestic listed foreign shares (B shares) will be person shares, accounting for 63.64% of changed to 355,764,760, accounting for 36.32% of the the total share capital; The domestic total share capital. listed foreign shares (B shares) were changed to 356,407,740 shares, accounting for 36.36% of the total share capital. 5 Article 6 Registered name of the Article 6 Registered name of the company company Company Name in Chinese: 杭州汽轮动力集团股份 Company Name in Chinese: 杭州 有限公司 汽轮动力集团股份有限公司 Name in English: HANGZHOU TURBINE POWER Name in English: HANGZHOU GROUP CO.,LTD. STEAM TURBINE POWER GROUP Abbreviation in English: HTC CO.,LTD. Abbreviation in English: HTC 6 Article 8 The registered capital of Article 8 The registered capital of the Company is the company is RMB 980,179,980 RMB979,537,000. (including: the increased registered capital of RMB 226,169,580 after the implementation of the distribution plan of 3 shares for every 10 shares adopted by the 2021 Annual General Meeting of Shareholders). 7 Article 32 The Party Committee Article 32 After the approval of the party 3/8 (Committee for Discipline Inspection) organization at the higher level, the Company shall set of the company consists of the up a party committee. The Party Committee of the secretary, deputy secretary and Company consists of the secretary, deputy secretary and members. The secretary, deputy members. In principle, the secretary of the Party secretary and members shall be elected Committee and chairman shall be the same person, and by the party members' congress of the a full-time deputy Secretary of the Party Committee and company and reported to the superior Secretary of Committee for Discipline Inspection shall party organization for approval, or be set up. The Party Committee of the Company appointed by the superior party participates in the decision-making on major issues organization. The term of office of the through the leadership system of two-way entry and Party Committee (Committee for cross-employment. Eligible party committee members Discipline Inspection) and the general can enter the Board of Directors, the Board of election shall be subject to the Supervisors and the managers through legal procedures. provisions of the Constitution of the The party member, who meets the requirements among Communist Party of China and the the members of the Board of Directors, the Board of Regulations on the Election of Local Supervisors and the managers, can enter the Party Organizations in the Communist Party Committee in accordance with relevant regulations and of China. procedures. 8 Article 33 The Party Committee of The content of this clause has been incorporated the Company participates in the into Article 32, and this clause is deleted. decision-making on major issues through the leadership system of two-way entry and cross-employment. Eligible party committee members can enter the Board of Directors, the Board of Supervisors and the managers through legal procedures. The party member, who meets the requirements among the members of the Board of Directors, the Board of Supervisors and the managers, can enter the Party Committee in accordance with relevant regulations and procedures. In principle, the secretary of the Party Committee and chairman shall be the same person, and a full-time deputy Secretary of the Party Committee and 4/8 Secretary of Committee for Discipline Inspection shall be set up. 9 Article 34 The Party Committee Article 33 The Party Committee of the Company (Committee for Discipline Inspection) will set up a working organization, staffed with Party of the Company will set up a working workers corresponding to the Company's scale, and its organization, staffed with Party workers organizational setup and staffing will be included into corresponding to the Company's scale, the Company's management organization and staffing and its organizational setup and staffing simultaneously. The remuneration of party workers is will be included into the Company's the same as that of management personnel at the same management organization and staffing level, with equal pay at the same post. The party work simultaneously. The remuneration of funds are included in the Company's financial budget party workers is the same as that of and listed in management fees. management personnel at the same level, with equal pay at the same post. The party work funds are included in the Company's financial budget and listed in management fees. 10 Article 35 The Party Committee Article 34 The Party Committee of the Company shall perform the following functions shall play a leading role, take the direction, control the and powers: overall situation and promote implementation, and (I) Give play to the role of discuss and decide major issues of the enterprise in leadership and political core, and carry accordance with regulations. The main responsibilities out work around the production and are follows: operation of enterprises. (I) To strengthen the political construction of the (II) Ensure the implementation of enterprise party, adhere to and implement the the guidelines, principles and policies fundamental system, basic system, and important of the party and the state in the system of socialism with Chinese characteristics, and Enterprise. educate and guide all party members to always maintain (III) Support the Board of a high degree of consistency with the Party Central Directors, the Board of Supervisors and Committee centered by Comrade Xi Jinping in terms of the managers to exercise their functions political stance, political direction, political principles, and powers according to law. and political path; (IV) Wholeheartedly rely on the (II) To study and implement Xi Jinping's Thought 5/8 masses of workers and support the work on Socialism with Chinese Characteristics for a New of the workers' congress. Era, study and publicize the party's theories, implement (V) Participate in the the party's guidelines, principles and policies, supervise decision-making of major issues of the and ensure the implementation of major decisions and enterprise. Implement the "three deployments of the party central committee and the important and one major" resolutions of higher-level party organizations in the decision-making supervision Enterprise; mechanism. When the Board of (III) To study and discuss major business Directors decides on major issues of the management issues of the Enterprise, and support the Company, it shall listen to the opinions general meeting of shareholders/Board of Shareholders, of the party committee of the Company the Board of Directors, the Board of Supervisors and the in advance. Major business managers to exercise their functions and powers management matters must be studied according to law; and discussed by the Company's party (IV) To strengthen the leadership and control over committee, and then decided by the the selection and employment of the enterprise Board of Directors and managers. personnel, and well ensure the construction of leading (VI) Strengthen the team, cadres and talents; self-construction of party organizations (V) To fulfill the main responsibility of improving and lead ideological and political work, Party conduct and upholding integrity in the enterprise, spiritual civilization construction and lead and support the internal discipline inspection mass organizations such as trade unions organizations to perform their duties of supervision and and the Communist Youth League. accountability, strictly observe political discipline and (VII) Fulfill the main rules, and promote the comprehensive and strict responsibility of improving Party administration of the party to the grassroots; conduct and upholding integrity. (VI) To strengthen the construction of grass-roots Regularly study the work of improving party organizations and party member team, unite and Party conduct and upholding integrity, lead the workers and staff to actively participate in support the Committee for Discipline enterprise reform and development; Inspection to carry out its work, and (VII) To lead the enterprise's ideological and fully implement its supervisory political work, spiritual civilization construction and responsibilities. united front work, lead the enterprise's trade unions, the (VIII) Other work that the Party Communist Youth League, women's organizations and Committee considers necessary to study other group organizations. and decide (VIII) In accordance with the principle of upgrading management, perform the above duties for subordinate enterprises that have not established party organizations. 11 Added one clause: 6/8 Article 35 The Party Committee's study and discussion is the pre-procedure for the Board of Directors and managers to make decisions on major issues. When the Board of Directors and managers decide on major issues of the Company, they shall listen to the opinions of the party committee of the Company in advance. Major business management matters must be studied and discussed by the Company's party committee, and then decided by the Board of Directors and managers. 12 Article 36 The method of Article 36 Party Committee's Method of deliberation of the party committee is Deliberation specified in the system of deliberation (I) Under normal circumstances, the date and of the party committee. place of the party committee meeting shall be notified to the participants two days in advance by the Party Construction Department. The proposal to be submitted to the Party Committee for studying and deciding and pre-study discussion is generally put forward by the relevant functional departments, or by the Party Committee members and determined by the Secretary of the Party Committee. (II) A party committee meeting can only be held when more than half of the party committee members are present. When discussing and studying the appointment and dismissal of cadres, rewards and punishments, and other major issues and important matters involving the overall situation, more than two-thirds of party committee members shall attend the meeting before convening. The party committee members who are unable to attend the meeting for some reason shall ask for leave from the Secretary of the Party Committee or the Convenor before the meeting, and their opinions can be expressed in writing. According to the study items and work needs, relevant personnel may be invited to attend the meeting as nonvoting delegates, which shall be determined by the Secretary of the Party Committee. (III) In principle, a party committee meeting shall 7/8 be convened to study and decide on and pre-decide on and discuss major issues in advance. The party committee meeting shall be held generally no less than once a month, and can be convened at any time in case of important circumstances or work needs. When the Secretary of the Party Committee believes it necessary, he/she may decide to convene an (enlarged) meeting of the Party Committee. The party committee shall be convened and presided over by the Secretary of the Party Committee. (IV) All matters submitted to the Party Committee for discussion shall be explained to the meeting by the members of the Party Committee in charge, the people attending the meeting or the person in charge of the agenda organizer. (V) The moderator shall propose a vote, and the party committee members present at the meeting shall express their opinions in turn and vote one by one, with the Secretary of the Party Committee taking the last position. Generally, opinions of agreement, disagreement or postponement are expressed by oral voting. If more than one item is discussed and decided at the meeting, they shall be voted one by one. (VI) After the meeting, the moderator of the meeting shall inform the members of the Party Committee who are absent for some reason about the decisions of the meeting directly or by entrusting the persons attending the meeting. 8/8