Datang Environment Industry : ANNOUNCEMENT - RESIGNATIONS OF CHAIRMAN OF THE BOARD AND NON-EXECUTIVE DIRECTORS, PROPOSED APPOINTMENTS OF DIRECTORS AND CHANGE OF AUTHORISED REPRESENTATIVE

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Datang Environment Industry Group Co., Ltd.*

大 唐 環 境 產 業 集 團 股 份 有 限 公 司

(A joint stock company incorporated in the People's Republic of China with limited liability)

(Stock Code: 1272)

ANNOUNCEMENT

RESIGNATIONS OF CHAIRMAN OF THE BOARD AND

NON-EXECUTIVE DIRECTORS,

PROPOSED APPOINTMENTS OF DIRECTORS AND CHANGE OF AUTHORISED REPRESENTATIVE

RESIGNATIONS OF CHAIRMAN OF THE BOARD AND NON-EXECUTIVE DIRECTORS

The board of directors (the "Board") of Datang Environment Industry Group Co., Ltd. (the "Company") announces that due to work re-arrangement, Mr. Jin Yaohua has resigned as the chairman of the Board, non-executive director and chairman of the nomination committee of the Company, and Mr. Hou Guoli has resigned as the non- executive director, chairman of the strategy and investment committee and member of the remuneration and evaluation committee of the Company.

The resignations will take effect from the date on which a general meeting is convened by the Company to approve the appointment of the new directors and a Board meeting is convened to approve the appointment of a new chairman of the Board. Prior to that, Mr. Jin Yaohua and Mr. Hou Guoli will continue to perform their duties in the Company.

Mr. Jin Yaohua and Mr. Hou Guoli have confirmed that they have no disagreement with the Board and there are no other matters relating to their resignations that need to be brought to the attention of the shareholders of the Company (the "Shareholders").

The Board hereby expresses its sincere gratitude to Mr. Jin Yaohua and Mr. Hou Guoli for their contributions to the Company during their terms of office.

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PROPOSED APPOINTMENTS OF DIRECTORS

The Board is pleased to announce that Mr. Qu Bo has been nominated as a candidate for non-executive director of the Company, and Mr. Tian Dan has been nominated as a candidate for executive director of the Company. Their appointments are subject to the approval by Shareholders at the general meeting of the Company. Their terms of office will commence on the date when the approval of the Shareholders at the general meeting is obtained and will end on the expiration of the term of the current session of the Board. A circular containing, among other things, details in relation to the proposed appointments and a notice of the extraordinary general meeting will be dispatched to the Shareholders as soon as practicable.

Biographical details of the candidates for directors are set out as follows:

Mr. Qu Bo

aged 55, a member of the Communist Party of China and a principal senior engineer with a doctoral degree. He participated in work since October 1987. He served as a deputy manager, and chief engineer of Tianjin Electric Power Construction Company First Engineering Company; deputy manager of the Power Station Construction Department of North China Power Group Company; deputy manager and manager of Beijing Electric Power Construction Company; Deputy Director (person-in-charge) and Director of Engineering Management Department of China Datang Corporation; Deputy Chief Engineer and Director of Engineering Management Department; Chief Engineer; Chief Engineer and General Manager, Party Secretary of China Datang Corporation Ltd. Shanghai Branch, and leader of the preparatory group of China Datang Group Engineering Construction Co., Ltd.; Chief Engineer, Party Secretary, Chief Engineer, Head of Party Office and Office of China Datang Corporation and Party Secretary and director of Datang International Power Generation Co., Ltd. (a company listed on the main board of The Stock Exchange of Hong Kong Limited (the "Stock Exchange"), (stock code: 991) and Shanghai Stock Exchange, (stock code: 601991)). He is currently the vice general manager and member of Party Leadership Group of China Datang Corporation Ltd..

Mr. Tian Dan

aged 55, with qualification of a Master's degree, a member of the Communist Party of China and a senior engineer. Mr. Tian has served as the secretary of the Party committee and the deputy general manager of the Company since July 2020. Mr. Tian has over 30 years of extensive experience in the power generation industry. Prior to joining the Company, Mr. Tian successively served as a shift supervisor and technician of the Shanxi Shentou No. 2 Power Plant ( 山 西 神 頭 第 二 發 電 廠 ); an engineer at the Thermal Power Simulation Training Center of Shanxi Electric Power Company ( 山 西 省 電 力 公 司); an engineer of the Engineering and Technology Department, manager of the Production Preparation Department, manager of the Power Generation

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Department and deputy chief engineer and deputy general manager of Yangcheng International Power Generation Co., Ltd. ( 陽 城 國 際 發 電 有 限 責 任 公 司); the deputy general manager of Yangcheng International Power Generation Co. Ltd. and also the deputy general manager of Datang Yangcheng Power Generation Co., Ltd. ( 大 唐 陽 城 發 電 有 限 責 任 公 司); the secretary of the Party committee and the deputy general manager of Yangcheng International Power Generation Co., Ltd. and also the deputy general manager of Datang Yangcheng Power Generation Co., Ltd.; the general manager and the secretary of the Party committee of Yangcheng International Power Generation Co., Ltd. and also the general manager of the Datang Yangcheng Power Generation Co. Ltd.; the secretary of the Communist Party Committee and the deputy general manager of the Chongqing Branch of Datang International Power Generation Co., Ltd., ( 大 唐 國 際 發 電 股 份 有 限 公 司 重 慶 分 公 司) and also the secretary of the Party committee and deputy general manager of Chongqing Yuneng (Group) Co., Ltd. ( 重 慶 渝 能（集 團）有 限 責 任 公 司); the secretary of the Communist Party Committee and the general manager of the Chongqing Branch of Datang International Power Generation Co., Ltd. and also the general manager and the deputy secretary of the Party committee of Chongqing Yuneng Industry (Group) Co., Ltd. ( 重 慶 渝 能 產 業（集 團）有 限 責 任 公 司); the general manager, the deputy secretary of the Party committee, the chairman and the secretary of the Party committee of the Ningxia branch of China Datang Corporation Ltd. ( 中 國 大 唐 集 團 有 限 公 司 寧 夏 分 公

司); the chairman and the secretary of the Party committee of the Ningxia branch of

China Datang Corporation Ltd., as well as the director of the Ningxia Planning and Development Center of China Datang Corporation ( 中 國 大 唐 集 團 寧 夏 規 劃 發 展 中 心); the chairman and secretary of the Party committee of Xiongan Energy Co., Ltd. of China Datang Corporation ( 中 國 大 唐 集 團 雄 安 能 源 有 限 公 司).

Save as disclosed above, as at the date of this announcement, Mr. Qu Bo and Mr. Tian Dan have confirmed that they (i) have no relationship with any directors, senior management, substantial or controlling Shareholders of the Company; (ii) do not hold any other directorships of any listed companies in the last three years; (iii) do not hold any other position with the Company or any of its subsidiaries; and (iv) have no interest in any shares of the Company within the meaning of Part XV of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

According to the articles of association of the Company, Mr. Qu Bo and Mr. Tian Dan are eligible for re-election and re-appointment upon expiry of their term.

Mr. Qu Bo, as non-executive director of the Company, will not receive any emolument from the Company. Mr. Tian Dan will receive emolument from the Company, including salary, bonus, social security plan, housing provident fund plan and other benefits. Each of Mr. Qu Bo and Mr. Tian Dan will enter into a service contract with the Company after their appointments become effective.

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Save as disclosed above, there are no other matters relating to the above appointments that need to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Rules Governing the Listing of Securities on the Stock Exchange (the "Listing Rules") or brought to the attention of the Shareholders.

CHANGE OF AUTHORISED REPRESENTATIVE

The Board announces that Mr. Wang Yanwen, the general manager and executive director of the Company, has been appointed as one of the authorised representatives of the Company commencing from 28 August 2020, and Mr. Hou Guoli, non-executive director of the Company, has resigned as one of the authorised representatives of the Company with effect from 28 August 2020 under Rule 3.05 of the Listing Rules. Mr. Hou Guoli has confirmed that he has no disagreement with the Board, and there is no matter relating to his resignation which needs to be brought to the attention of the Stock Exchange and Shareholders.

The Board would like to take this opportunity to express its sincere gratitude to Mr. Hou Guoli for his valuable contribution to the Company.

By order of the Board

Datang Environment Industry Group Co., Ltd.*

Jin Yaohua

Chairman

Beijing, the PRC, 28 August 2020

As of the date of this announcement, the non-executive directors of the Company are Mr. Jin Yaohua, Mr. Hou Guoli, Mr. Liu Quancheng, Mr. Liu Ruixiang and Mr. Li Zhengyu; the executive director of the Company is Mr. WangYanwen; and the independent non-executive directors of the Company are Mr. Ye Xiang, Mr. Mao Zhuanjian and Mr. Gao Jiaxiang.

• For identification purposes only

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