Datang International Power Generation : OVERSEAS REGULATORY ANNOUNCEMENT ANNOUNCEMENT ON RESOLUTIONS OF THE BOARD OF DIRECTORS

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(a sino-foreign joint stock limited company incorporated in the People's Republic of China)

(Stock Code: 00991)

OVERSEAS REGULATORY ANNOUNCEMENT

ANNOUNCEMENT ON RESOLUTIONS OF THE BOARD OF DIRECTORS

SPECIAL NOTICE:

The board of directors (the "Board") and all directors (the "Directors") of the Company warrant that there are no false representations and misleading statements contained in, or material omissions from, this announcement, and severally and jointly accept the responsibility for the truthfulness, accuracy and completeness of the contents of this announcement.

This announcement is made pursuant to Rule 13.10B of the Rules Governing the Listing of Securities (the "Listing Rules") on The Stock Exchange of Hong Kong Limited (the "Hong Kong Stock Exchange").

The eighteenth meeting of the tenth session of the Board of Datang International Power Generation Co., Ltd. ("Datang International" or the "Company") was convened in writing on Wednesday, 28 April 2021. There were 14 Directors eligible for attending the meeting and 14 of them attended the meeting. The convening of the meeting was in compliance with the provisions stipulated in the Company Law of the People's Republic of China and the Articles of Association of Datang International Power Generation Co., Ltd., and was lawful and valid. The following resolutions were considered and unanimously approved at the meeting:

1. THE "RESOLUTION ON THE 2021 FIRST QUARTERLY REPORT" WAS CONSIDERED AND APPROVED
   Voting results: 14 voted in favour, 0 voted against and 0 abstained
   The publication of the 2021 first quarterly report of the Company was approved.

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1. THE "RESOLUTION ON INCREASE IN REGISTERED CAPITAL OF CHINA DATANG GROUP FINANCE COMPANY LIMITED" WAS CONSIDERED AND APPROVED
   Voting results: 12 voted in favour, 0 voted against and 2 abstained
2. 1. It was approved that China Datang Group Finance Company Limited ("Datang Finance Company") will convert discretionary surplus reserve and undistributed profits totaled approximately RMB1.63 billion into registered capital based on the shareholding ratio of the shareholders at the end of 2020. After conversion, the registered capital of Datang Finance Company increased from RMB4.87 billion to RMB6.5 billion. The capital increase of Datang International amounted to approximately RMB276 million, and contribution amount increased from approximately RMB826 million to approximately RMB1,102 million with shareholding ratio remaining unchanged.
   2. The Directors of the Company (including independent non-executive Directors) believed that the capital increase to Datang Finance Company will be conducive to further enhancing the risk resistance capability of Datang Finance Company, improving its asset structure and increasing its core competitiveness, which is in the interests of the Company and its shareholders as a whole.
   3. According to the listing rules in the places where the shares of the Company are listed, the above matter constitutes a connected transaction of the Company, and the connected Directors, Mr. Chen Feihu and Mr. Qu Bo, have abstained from voting on this resolution. The highest of the applicable percentages (as defined under Rule 14.07 of the Listing Rules) for the capital increase is less than 0.1%, therefore the capital increase is exempted from the reporting, announcement, annual review and independent shareholders' approval requirements under Chapter 14A of the Listing Rules.

1. THE "RESOLUTION ON THE APPOINTMENT OF DEPUTY GENERAL MANAGER OF THE COMPANY" WAS CONSIDERED AND APPROVED
   Voting results: 14 voted in favour, 0 voted against and 0 abstained
   It was approved to appoint Mr. Duan Wenwei and Mr. Wan Yong as the deputy general managers of the Company with term of office effective from the date of approval at the Board meeting (i.e. 28 April 2021).
   The biographical details of Mr. Duan Wenwei and Mr. Wan Yong are set out in the appendix to this announcement.

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IV. THE "RESOLUTION ON AMENDEMENTS TO THREE REGULATIONS INCLUDING MANAGEMENT REGULATIONS GOVERNING INFORMATION DISCLOSURE" WAS CONSIDERED AND APPROVED

Voting results: 14 voted in favour, 0 voted against and 0 abstained

The amendments to the Management Regulations Governing Information Disclosure, the Rules for Implementation of Related Party Transaction Management System and the Management Regulations Governing the Shares of the Company Held by Directors, Supervisors and Senior Management and Their Changes by the Company were approved.

By order of the Board

Jiang Jinming

Company Secretary

Beijing, the PRC, 28 April 2021

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

Chen Feihu, Qu Bo, Liang Yongpan, Ying Xuejun, Zhu Shaowen, Cao Xin, Zhao Xianguo, Jin Shengxiang, Sun Yongxing, Liu Jizhen*, Luo Zhongwei*, Liu Huangsong*, Jiang Fuxiu*, Niu Dongxiao*

• Independent non-executive Directors

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APPENDIX:

Biographical Details of Mr. Duan Wenwei

Mr. Duan Wenwei, born in January 1972, is a senior engineer with a bachelor degree. Since 2005, he has successively served as the director of the Sci-Tech and Project Division and the director of the Equipment Technology Division of the Production Department of Datang International, chief engineer, deputy general manager and executive deputy general manager of Inner Mongolia Datang International Tuoketuo Power Generation Company Limited, general manager of Chongqing Datang International Pengshui Hydropower Development Company Limited, general manager of Inner Mongolia Datang International Tuoketuo Power Generation Company Limited, secretary of the Party Committee and deputy general manager of Shanxi Branch of China Datang Corporation, general manager and deputy secretary of the Party Committee of Ningxia branch of China Datang Corporation Ltd., chairman and secretary of the Party Committee of Datang Hebei Power Generation Co., Ltd., chairman and secretary of the Party Committee of North China Electric Power Operation Branch of China Datang Corporation Ltd. (中國大唐集團有限公司華北電力運營分公司), chairman and secretary of the Party Committee of Datang North China Electric Power Operation Co., Ltd., and member of the Party Committee of Datang Jingjinji Power Development Company Limited. He has served as a member of the Party Committee of the Company since July 2019.

Mr. Duan Wenwei has long been engaged in the production and operation management of power enterprises and has rather rich experience in the production and operation management of power enterprises.

Biographical Details of Mr. Wan Yong

Mr. Wan Yong, born in February 1971, is a senior engineer with a master degree. Since 2009, he has successively served as the deputy general manager of Huaneng Jinling Power Generation Co., Ltd. (華能金陵發電有限公司), general manager (plant manager) of Huaneng Jinling Gas Turbine Thermal Power Co., Ltd. (Jinling Gas Turbine Plant) (華能金陵燃機熱電有限公司（金陵燃機電廠）), manager of Huaneng Nanjing Power Plant, general manager and secretary of the Party Committee of Huaneng Nantong Power Generation Co., Ltd. (華能南通發電有限公司), general manager (plant manager) of Jiangsu Nantong Power Generation Co., Ltd. (Sutong Power Plant) (江蘇南通發電有限公司（蘇通電 廠）), member of the Party Committee, deputy general manager, chairman of the labour union of Datang Jiangsu Power Generation Co., Ltd. (大唐江蘇發電有限公司), deputy officer of China Datang Group Jingjinji Planning Development Center (中國大唐集團京津冀規劃發展中心), and member of the Party Committee of Datang Jingjinji Power Development Company Limited. He has served as a member of the Party Committee of the Company since July 2019.

Mr. Wan Yong has long been engaged in the production and operation management, planning development and project construction of power enterprises and has rich experience in the management of power enterprises.

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