Announcement on Adjustments of On-Grid Tariffs

1 Jun 2011 12:46

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DATANG INTERNATIONAL POWER GENERATION CO., LTD. (a sino-foreign joint stock limited company incorporated in the People's Republic of China) (Stock Code: 991) PRICE-SENSITIVE INFORMATION ANNOUNCEMENT ON ADJUSTMENTS OF ON-GRID TARIFFSSpecial Notice:

The board of directors (the "Board") and all directors (the "Directors") of Datang International Power Generation Co., Ltd. (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 Rule 13.09(1) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

The Company has received the "Notice from the National Development and Reform Commission on Relevant Issues Regarding Appropriate Adjustments of Tariffs" issued by the National Development and Reform Commission recently. With an aim to compensate a portion of increased costs of coal-fired power generation enterprises due to increased thermal coal prices, to relieve the operating difficulties of these enterprises and to ensure normal and rational power supply, the State has decided to appropriately adjust the tariff standards of certain regions.

Details regarding the service areas of the Company where tariff adjustments will take place, the relevant tariff increase standards and the execution dates are set out as follows: Region Tariffs Increase Standards (cents/kWh) (RMB) Effective Effective Effective as from as from as from 1 January 2010 10 April 2011 1 June 2011 TotalTianjin Municipality 0.18 0.18Hebei Province (Northern Grid) 0.19 1.30 1.49Shanxi Province 0.19 2.90 3.09Shanxi Province Transmitted to Beijing-Tianjin-Tangshan Region 0.19 0.61 0.80Western Area of Inner Mongolia Autonomous Region 0.30 0.30Western Area of Inner Mongolia Autonomous Region Transmitted to Beijing-Tianjin-Tangshan Region 0.19 0.61 0.80Liaoning Province 0.22 0.22Gansu Province 0.90 1.78 2.68Ningxia Huizu Autonomous Region 0.19 0.19Fujian Province 0.31 0.31Jiangxi Province 0.38 2.24 2.62Guangdong Province 0.18 0.18Yunnan Province 0.46 0.46

After the current adjustments on on-grid tariff, the average on-grid tariff (including value-added tax) of the Company's coal-fired units will increase by RMB10.11 yuan/MWh as compared with the tariffs before adjustments, representing an increase of approximately 2.63% (calculated basing on the estimated increased amounts to be received from the tariff adjustments and the estimated coal-fired on-grid generation volume for the year).

By Order of the Board Zhou Gang Secretary to the Board

Beijing, the PRC, 1 June 2011

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