Adjustments in Electricity Tariffs

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility 
for the contents of thisannouncement, 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: 00991)                     

                               ANNOUNCEMENT                                                            
                   ADJUSTMENTS IN ELECTRICITY TARIFFS                       

Special Notice:      
                                                    
This announcement is made by Datang International Power Generation Co., Ltd. (the "Company") pursuant to the 
Inside Information Provisions under Part XIVA of the SFO, Rules 13.09(2)(a) and 13.10(B) of the Listing Rules 
to provide shareholders of the Company and the public with the financial information of the Company.This announcement 
is also disseminated on the Shanghai Stock Exchange simultaneously.                             

The Company and all members of the board of directors (the "Board") 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 by the Company pursuant to the Inside Information Provisions (as defined under the Rules 
Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules"), under Part XIVA 
of the Securities and Futures Ordinance (Cap. 571, Laws of Hong Kong) (the "SFO") and Rules 13.09(2) (a) and 13.10(B) 
of the Listing Rules.

Datang International Power Generation Co., Ltd. (the "Company") recently received the "NDRC's Notice on the Matters 
Regarding the Adjustment of On-grid Electricity Tariff of Power Generation Corporations" (NDRC Prices [2013] No.1942) 
(the "Notice") of National Development and Reform Commission ("NDRC"), inorder to implement the requirements in the 
"NDRC's Notice on the Matters Regarding the Adjustment of the Supplementary Standard of Renewable Power Tariffs and 
Environmental-friendly Power Tariffs" (NDRC Prices [2013] No. 1651), the State decided to adjust the on-grid electricity 
tariffs for a proper scale while keeping the sales tariffs unchanged.

According to the related documents of NDRC, the details of tariff adjustment of affected power generation enterprises 
which are wholly-owned by the Company or which the Company has controlling interests are as follows (all tariffs are tax-inclusive):



  Region          Power generation enterprise           Installed          Tariff   
                                                         capacity         reduction 
                                                           (MW)             scale   
                                                                        (RMB cents/ 
                                                                            kWh)    
                                                                               
  Beijing         Gao Jing Thermal Power Plant             600              1.35    
                                                                               
  Tianjin         Tianjin Datang International Panshan     1,200            1.35    
                  Power Generation Company Limited                                
                                                                               
                  Dou He Power Plant                       1,300                
                                                                           
                  Xia Hua Yuan Power Plant                 200                   
                                                                               
                  Zhang Jia Kou Power Plant                2,400                  
                                                                               
                  Hebei Datang International Tangshan      600                   
                  Thermal Power Company Limited                                 
                                                                               
  North Hebei     Hebei Datang International Fengrun       600              1.35
     grid         Thermal Power Company Limited                                 
                                                                               
                  Hebei Datang International Zhangjiakou   600                   
                  Thermal Power Generation Company                                
                  Limited                                            
                                                                               
                  Hebei Datang International Wangtan       1,200                  
                  Power Generation Company Limited                                
                                                                               
                  Qian'an Datang Thermal Power Generation  220
                  Company Limited                                        
                                                                               
                  Inner Mongolia Datang International      3,600
                  Tuoketuo Power Generation Company
   West Inner     Limited                                                   1.35
   Mongolia to                                                                      
   North China    Inner Mongolia Datang International      1,200                  
                  Tuoketuo No.2 Power Generation Company
                  Limited                                            
                                                                               
   Shanxi to      Shanxi Datang International Shentou      1,000            0.9  
   North China    Power Generation Company Limited                                

                  Shanxi Datang International Yungang      1,040 
                  Thermal Power Company Limited
   Shanxi                                                                   0.9
                  Shanxi Datang International Linfen       600
                  Thermal Power Company Limited
                                               
   Guangdong      Guangdong Datang International 
                  Chaozhou Power Generation Company        3,200            1.90                                
                  Limited
                                                
   Jiangsu        Jiangsu Datang International             2,640            2.50 
                  Lvsigang Power Generation Company                                 
                  Limited                                              
                                                                               
   Fujian         Fujian Datang International Ningde       2,520            1.44                                                      
                  Power Generation Company Limited       
                                                   
   Zhejiang       Zhejiang Datang International            2,400            2.50
                  Wushashan Power Generation Company                                
                  Limited                                              
                                                                               
   Jiangxi        Jiangxi Datang International Xinyu       440              1.00                                                       
                  Power Generation Company Limited      
                                                   
   Ningxia        Ningxia Datang International Daba        1,200            1.25
                  Power Generation Company Limited                                 
                                                                               
   Gansu          Gansu Datang International Liancheng     660              1.34 
                  Power Generation Company Limited                                 
                                                                               
   Yunnan         Yunnan Datang International Honghe       600              0.00    
                  Power Generation Company Limited                                 
                                                                               
   Liaoning       Liaoning Datang International             600              1.20
                  Jinzhou Thermal Power Generation                                 
                  Company Limited                                          
                                                                               
Notes:

   1. The on-grid tariffs of the hydropower, wind power, photovoltaic and
      gas-powered generation enterprises of the Company are not adjusted.
   
   2. In the table above, the actual on-grid tariffs of Dou He Power Plant and
      Xia Hua Yuan Power Plant will be subject to the information announced by
      Hebei Prices Bureau.
   
The on-grid tariffs of coal-fired power generation enterprises, which meet
denitrification standards and have been inspected and verified by environment
protection authorities, will be increased by RMB1 cent per kWh, on the basis of
the tariffs set out above. The on-grid tariffs of coal-fired power generation
enterprises which adopt new technologies for dust disposal and whose smoke ash
emission rate are lower than 30mg/m3 (lower than 20mg/m3 in key regions) and
have been inspected and verified by environment protection authorities, will be
increased by RMB0.2 cent per kWh.

The tariff adjustment abovementioned came into effect on 25 September 2013.
After the current on-grid tariff adjustments, according to the power output
estimated by the Company, the consolidated average range of tariff adjustments
of the Company is approximately RMB12/MWh (the figures abovementioned are unaudited).

                                                          By Order of the Board
                                                                Zhou Gang
                                                         Secretary to the Board

Beijing, the PRC, 16 October 2013

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

Chen Jinhang, Hu Shengmu, Cao Jingshan, Fang Qinghai, Zhou Gang, Li Gengsheng,
Cao Xin, Cai Shuwen, Liu Haixia, Guan Tiangang, Dong Heyi*, Ye Yansheng*, 
Li Hengyuan*, Zhao Jie*, Jiang Guohua*

* Independent non-executive Directors