Further Avoidance of Business Competition

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 thisannouncement.

                DATANG INTERNATIONAL POWER GENERATION CO., LTD.    
   (a sino-foreign joint stock limited company incorporated in the People's    
                              Republic of China)                               

                               (Stock Code: 991)                               
                                                                               
   Announcement on Relevant Matters Regarding Further Avoidance of Business    
   Competition with Datang International Power Generation Co., Ltd. by China   
                              Datang Corporation                               

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 content of this announcement.                          
                                                                               
This announcement is made pursuant to Rules 13.09(1) and (2) of the Rules      
Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited 
(the "Listing Rules").                                                         

Recently, Datang International Power Generation Co., Ltd. (the "Company")
received from its controlling shareholder, China Datang Corporation ("CDC"), an
"Undertaking on Relevant Matters regarding Further Avoidance of Business
Competition with Datang International Power Generation Co., Ltd. by China
Datang Corporation", the content of which is announced as below:

In order to support the business development of, to integrate relevant quality
assets and to avoid business competition with the Company, CDC had previously
given a non-compete undertaking to the Company. Relevant disclosure of which
was made in the prospectus for the initial public offering of A shares of the
Company and other relevant announcements or documents for information
disclosure.

Whilst CDC will continue to perform its undertakings previously given, for
further avoidance of business competition with the Company, CDC further
undertakes that:

1. CDC confirms that the Company shall be the ultimate platform for
   integrating the coal-fired power businesses of CDC;
   
2. With respect to the non-listed coal-fired power assets of CDC, CDC
   undertakes that it will inject those assets into the Company in 5 to 8
   years, when the profitability of such assets has improved and that the
   relevant conditions are met;
   
3. With respect to the coal-fired power business assets of CDC located in
   Hebei Province, CDC undertakes that it will inject those assets into the
   Company in approximately 5 years, when the profitability of such assets has
   improved and that the relevant conditions are met;
   
4. CDC will continue to perform each of its undertakings previously given to
   support the development of its subordinated listed companies.
   
                                                          By Order of the Board
                                                                 Zhou Gang
                                                         Secretary to the Board

Beijing, the PRC, 1 November 2010

As at the date of this announcement, the Directors of the Company are:Liu
Shunda, Hu Shengmu, Cao Jingshan, Fang Qinghai, Zhou Gang, Liu Haixia, Guan
Tiangang, Su Tiegang, Ye Yonghui, Li Gengsheng, Li Yanmeng*, Zhao Zunlian*, Li
Hengyuan*, Zhao Jie*, Jiang Guohua*

* Independent non-executive Directors