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.

(a sino-foreign joint stock limited company incorporated in the People’s Republic of China)
(Stock Code: 00991)

Overseas Regulatory Announcement

Announcement on Power Generationof 2011

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 13.09(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

Datang International Power Generation Co., Ltd. (the “Company”) announces that, based on the Company’s preliminary statistics, as of 31December 2011, total power generation of the Company and its subsidiaries (the “Group”) amounted to 203.7156 billion kWh, representing anincrease of approximately14.145% when compared to the corresponding period of the previous year. Total on-grid power generation of the Group amounted to192.1434 billion kWh, representing anincrease of approximately14.6922% when compared to the corresponding period of the previous year.

The significant increase in power generation of the Group for 2011 over thecorresponding period of the previous year was mainly attributable toan increase in capacity of the operational generating units of the Group and an increase in the demand for electricity inthe service areas of the Group.

Details of the power generation of the Group for 2011 were as follows (Unit: billion kWh):

Power plant/company / Power generation for 2011
(billion kWh) / Power generation for 2010
(billion kWh) / Growth
Gao Jing Thermal Power Plant / 3.5134 / 3.3028 / 6.38%
Dou He Power Plant / 8.6178 / 8.5385 / 0.93%
Xia Hua Yuan Power Plant / 1.1601 / 0.9419 / 23.17%
Zhang Jia Kou Power Plant / 13.9566 / 12.9366 / 7.88%
Tianjin Datang International Panshan Power Generation Company Limited / 6.8835 / 6.5511 / 5.07%
Inner Mongolia Datang International Tuoketuo Power Generation Company Limited / 22.1474 / 19.9318 / 11.12%
Shanxi Datang International Yungang Thermal Power Company Limited / 6.2937 / 6.2036 / 1.45%
Hebei Datang International Tangshan Thermal Power Company Limited / 3.6272 / 3.4318 / 5.69%
Shanxi Datang International Shentou Power Generation Company Limited / 5.7349 / 5.4097 / 6.01%
Gansu Datang International Liancheng Power Generation Company Limited / 2.8129 / 2.7370 / 2.77%
Hebei Datang International Wangtan Power Generation Company Limited / 6.7716 / 6.4098 / 5.64%
Zhejiang Datang International Wushashan Power Generation Company Limited / 14.0921 / 14.1528 / -0.43%
Guangdong Datang International Chaozhou Power Generation Company Limited / 20.2927 / 11.9167 / 70.29%
Fujian Datang International Ningde Power Generation Company Limited / 15.5339 / 10.6818 / 45.42%
Yunnan Datang International Electric Power Generation Company Limited / 10.2694 / 9.2560 / 10.95%
Jiangxi Datang International Xinyu Power Generation Company Limited / 2.1173 / 1.8776 / 12.77%
Shanxi Datang International Yuncheng Power Generation Company Limited / 4.3820 / 6.7317 / -34.91%
Inner Mongolia Datang International Hohhot Thermal Power Generation Company Limited / 2.0486 / 2.9566 / -30.71%
Chongqing Datang International Pengshui Hydropower Development Company Limited / 4.1203 / 4.8680 / -15.36%
Inner Mongolia Datang International Duolun Hydropower Multiple Development Company Limited / 0.0062 / 0.0040 / 55.00%
Hebei Datang International Huaze HydropowerDevelopment Company Limited / Not
Applicable / 0.0190 / Not
Applicable
Qinghai Datang International Zhiganglaka Hydropower Generation Development Company Limited / 0.6622 / 0.7043 / -5.98%
Inner Mongolia Datang International Wind Power Development Company Limited / 0.3492 / 0.1789 / 95.19%
Inner Mongolia Datang International Tuoketuo No.2Power Generation Company Limited / 7.3583 / 6.6787 / 10.18%
Liaoning Datang International Jinzhou Thermal Power Generation Company Limited
/ 3.1108 / 3.3625 / -7.49%
Shanxi Datang International Zuoyun Wind Power Company Limited / 0.2554 / 0.2037 / 25.38%
Hebei Datang International Fengrun Thermal Power Company Limited / 3.6276 / 3.4727 / 4.46%
Ningxia Datang International Daba Power Generation Company Limited / 7.7223 / 7.7431 / -0.27%
Hebei Datang International Zhangjiakou Thermal Power Generation Company Limited / 3.4029 / 3.0803 / 10.47%
Qian’an Datang Thermal Power Generation Company Limited / 0.8905 / 1.1305 / -21.23%
Liaoning Datang International Wind Power Development Company Limited / 0.3895 / 0.2113 / 84.34%
Fujian Datang International Wind Power DevelopmentCompany Limited / 0.1965 / 0.1662 / 18.23%
Jiangsu Datang International Lvsigang Power Generation Company Limited / 15.4654 / 11.9674 / 29.23%
Yuneng (Group) Company Limited / 0.7063 / 0.7058 / 0.07%
Chongqing Datang International Wulong Xingshun Wind Power Company Limited / 0.1023 / 0.0139 / 635.97%
Shanxi Datang International Linfen Thermal Power Company Limited / 3.5488 / Not
Applicable / Not Applicable
Ningxia Datang International Qingtongxia Photovoltaic Power Generation Limited / 0.0151 / Not
Applicable / Not Applicable
Chongqing Datang International Wulong Hydropower Development Company Limited / 0.8087 / Not
Applicable / Not Applicable
Chengdu Liguo Energy Company Limited / 0.6507 / Not
Applicable / Not Applicable
Hebei Datang International Wind Power Development Company Limited / 0.0715 / Not
Applicable / Not Applicable
Total / 203.7156 / 178.478591 / 14.145%

By Order of the Board

Zhou Gang

Secretary to the Board

Beijing, the PRC, 12【】January 2012

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* and Jiang Guohua*
* Independent non-executive Directors

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