HNP Huaneng Power International Inc

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

RESOLUTIONS PASSED AT

2021 SECOND EXTRAORDINARY GENERAL MEETING

Reference is made to the notice of meeting of 2021 second extraordinary general meeting (the “EGM” or the “Meeting”) of Huaneng Power International, Inc. (the “Company”) dated 4 November 2021 (the “Notice”). Unless otherwise stated, capitalised terms used herein shall have the same meanings as those used in the Notice.

The Board is pleased to announce that the EGM was held at the Conference Room A102, Huaneng Building, 6 Fuxingmennei Street, Xicheng District, Beijing, the PRC at 9:00 a.m. on 21 December 2021 and the resolutions set out in the Notice were duly passed by poll by the attending Shareholders and authorised proxies carrying voting rights.

The convening of the Meeting was in compliance with the Company Law of the PRC, the Rules Governing the Listing of the Securities on The Stock Exchange of Hong Kong Limited (the “Hong Kong Listing Rules”) and relevant provisions of the Articles of Association of the Company. The Meeting was convened by the board of directors of the Company. Mr. Zhao Keyu (Chairman) presided over the Meeting as the chairman of the Meeting.

4 out of 15 directors of the Company attended the Meeting. Huang Jian (Director), Wang Kui (Director), Lu Fei (Director), Teng Yu (Director), Mi Dabin (Director), Cheng Heng (Director), Li Haifeng (Director), Lin Chong (Director) and Liu Jizhen (independent non-executive Director), Zhang Xianzhi (independent non-executive Director), Xia Qing (independent non-executive Director) were unable to attend the Meeting due to other work reasons; 2 out of 6 of the Supervisors of the Company attended the Meeting; Li Shuqing (Supervisor), Mu Xuan (Supervisor), Gu Jianguo (Supervisor), Xia Aidong (Supervisor) were unable to attend the Meeting due to other work reasons; the Company Secretary Huang Chaoquan and other relevant senior management of the Company attended the Meeting.

ATTENDANCE AT THE EGM

As at the record date (i.e. 21 December 2021), there were totally 15,698,093,359 shares of the Company entitled to attend the EGM to vote for or against the resolutions tabled thereat. Details of the shareholders and their proxies who attended the EGM which are set out below:

According to the Hong Kong Listing Rules, China Huaneng Group Co., Ltd., Huaneng International Power Development Corporation, China Hua Neng Group Hong Kong Limited, China Huaneng Group Treasury Management (Hong Kong) Limited and China Huaneng Finance Corporation Limited, being connected persons (shareholders of the Company who are involved in or interested in the transactions as contemplated by the following resolutions considered at the EGM), holding an aggregate of 7,266,576,866 ordinary shares of the Company, representing approximately 46.29% of the total issued shares of the Company as at the record date, were required to abstain and had abstained from voting on the resolutions Nos.2 and 4 tabled at the EGM. The Company was not aware of any parties indicating their intention to vote against any of the resolutions proposed at the Meeting. None of our shareholders was entitled to attend and abstain from voting in favour as set out in Rule 13.40 of the Hong Kong Listing Rules.

CONSIDERATION OF THE RESOLUTIONS AT THE EGM

As considered by Shareholders and their respective proxies attending the EGM, relevant resolutions were voted by way of a combination of on-site voting and online voting. The voting results of the EGM are set out as follows:

In accordance with the relevant provisions of the Company Law and the Articles of Association of the Company, resolutions numbered 1 to 4 are ordinary resolutions and were passed by more than 50% of the total number of shares carrying voting rights held by those who attended the EGM in person or by proxies.

SCRUTINEER

Pursuant to the Hong Kong Listing Rules, the H Share Registrar of the Company (Hong Kong Registrars Limited) was appointed as the scrutineer at the EGM for the purpose of vote-takings.

WITNESS OF LAWYERS

The EGM was attended and witnessed by Mr. Bian Hao and Ms. Shi Jinning, lawyers from Haiwen & Partners, which had issued the legal opinion. The witnessing lawyers were of the opinion that: the convening and holding procedures of the EGM of the Company, the eligibility of the persons attending the EGM and the voting procedures for the EGM were in compliance with the stipulations of the relevant laws and the Articles of Association, and that the Meeting was lawful and valid.

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:

Beijing, the PRC
22 December 2021