Netjoy Holdings Limited — AGM Information 2021

May 28, 2021

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(Stock Code: 902)

ANNOUNCEMENT RELATING TO THE INCLUSION OF AN ADDITIONAL PROPOSAL AT THE 2020 ANNUAL GENERAL MEETING

Huaneng Power International, Inc. (the “ Company ”) published the notice of convening the 2020 annual general meeting on 7 May 2021 for convening the 2020 annual general meeting (“ General Meeting ”) to be held at Conference Room A102, Huaneng Building, No. 6 Fuxingmennei Street, Xicheng District, Beijing, China on 22 June 2021 at 9:00 a.m..

Due to change of work, Mr. Ye Cai, the existing Supervisor of the Company, has recently tendered a written report to the Supervisory Committee of the Company according to relevant regulations, resigning from his position as the Supervisor of the Company. The resignation report of Mr. Ye Cai shall become effective from the date on which a supervisor is elected by the Company.

Mr. Ye Cai confirmed that there is no disagreement with the Supervisory Committee of the Company and the Company. He is not aware of any matter in relation to his resignation from the Supervisor of the Company that needs to be brought to the attention of the shareholders of the Company.

Pursuant to the applicable provisions of the Company Law of the People’s Republic of China, the Rules Governing the General Meetings of Listed Companies, etc., shareholder(s) holding more than 3% of the total number of the issued shares of the listed company, whether alone or in aggregate with other shareholder(s), is/are entitled to submit additional proposal(s) at general meeting prior to the convening of such meeting according to law. The Board of Directors of the Company received a letter regarding the inclusion of an additional proposal at the General Meeting of Huaneng Power International, Inc. from Huaneng International Power Development Corporation (holding 32.28% shareholding interest in the Company), nominating Mr. Xia Aidong to be the candidate for the supervisor of the Tenth Session of the Supervisory Committee the Company, such that the “Proposal regarding the election of Mr. Xia Aidong as a supervisor of the Tenth Session of the Supervisory Committee of the Company” will be included as an additional proposal for consideration and approval at the General Meeting of the Company.

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SET OUT BELOW IS THE BIOGRAPHICAL DETAILS OF MR. XIA AIDONG

Supervisor

Mr. Xia Aidong, aged 53, is currently the director of the Audit Department and director of the Audit Center of China Huaneng Group Co., Ltd.. He previously was the chief of the Budget Division of the Finance Department, and the deputy director of the Budget and Comprehensive Planning Department of China Huaneng Group Co., Ltd., manager of the Budget Department of Huaneng Power International, Inc., and the deputy director of the Budget and Comprehensive Planning Department of China Huaneng Group Co., Ltd.. Mr. Xia graduated from Beijing Business School with a major in accounting, bachelor’s degree in economics, and a professor-level senior accountant.

Save the work relationship disclosed in the qualifications above, Mr. Xia does not have any other connection and relationship with the Company, its controlling shareholders or de facto controllers, nor has Mr. Xia been subject to any punishment by China Securities Regulatory Commission or other related departments, or reprimand by any stock exchanges.

The Company proposes to appoint Mr. Xia as the Supervisor for a term until the expiry of the Tenth Session of the Supervisory Committee. Save for the above, Mr. Xia does not have any relationship with any other Directors, Supervisors or senior management or substantial or controlling shareholders of the Company, nor does he have any interests in the Shares of the Company within the meaning of Part XV of the Securities and Futures Ordinance, (Chapter 571 of the laws of Hong Kong).

In addition, there is no other information in relation to Mr. Xia which is discloseable pursuant to any of the requirements set out in Rules 13.51(2)(h) to 13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited nor is he involved in any of the matters required to be disclosed pursuant to the rules. Save for the above, there is no other matter that needs to be brought to the attention of the Shareholders of the Company.

A supplemental notice of the General Meeting (the “ Supplemental Notice ”) containing (among others) the additional proposal to consider and approve the appointment of Mr. Xia as a supervisor of the Tenth Session of the Supervisory Committee of the Company together with the second proxy form applicable for use at the General Meeting (the “ Second Proxy Form ”) are expected to be dispatched to the H Shareholders of the Company on or about 31 May 2021.

H Shareholders are requested to complete and return the Second Proxy Form in accordance with the instructions printed thereon to the Company’s H Share Registrar, Hong Kong Registrar Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong as soon as possible and in any event not less than 24 hours before the time appointed for holding the General Meeting. Special arrangements about the completion and return of the Second Proxy Form are also

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set out in the Supplemental Notice. H Shareholders who have appointed or intend to appoint proxies to attend the General Meeting are requested to pay particular attention to the special arrangements set out therein.

By Order of the Board Huaneng Power International, Inc. Huang Chaoquan Company Secretary

As at the date of this announcement, the directors of the Company are:

Zhao Keyu (Executive Director) Zhao Ping (Executive Director) Huang Jian (Non-executive Director) Wang Kui (Non-executive Director) Lu Fei (Non-executive Director) Teng Yu (Non-executive Director) Mi Dabin (Non-executive Director) Cheng Heng (Non-executive Director) Li Haifeng (Non-executive Director) Lin Chong (Non-executive Director)

Xu Mengzhou (Independent Non-executive Director) Liu Jizhen (Independent Non-executive Director) Xu Haifeng (Independent Non-executive Director) Zhang Xianzhi (Independent Non-executive Director) Xia Qing (Independent Non-executive Director)

Beijing, the PRC 29 May 2021

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