Estimated Increase In Profit for 2012 Results

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 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.


               DATANG INTERNATIONAL POWER GENERATION CO., LTD.


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

                           POSITIVE PROFIT ALERT

                     ESTIMATED INCREASE IN PROFIT FOR THE 
                           ANNUAL RESULTS OF 2012


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 estimates referred to in this 
announcement are only preliminary estimates made by the Company and have not 
been audited by any certified public accountants. Detailed financial 
information of the Company will be disclosed in the 2012 annual report of 
the Company. Investors are advised to exercise caution when dealing in the 
shares of the Company.

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. 

I.  Estimated results for the reporting period

    1.  Period to which the estimated results apply: From 1 January 2012 to 
        31 December 2012.

    2.  Estimated results: According to the preliminary estimates made by the
        Company, net profit attributable to the equity holders of the 
        Company as reported on the consolidated statements of the Company for
        year 2012 is expected to increase by 105%-115% as compared to the 
        corresponding period of the previous year.

    3.  The figures of the estimated results have not been audited by any 
        certified public accountants.

II. Results of the corresponding period of the previous year

    1.  Net profit attributable to the equity holders of the Company as 
        reported in the consolidated statements in 2011: Approximately 
        RMB1,910,111,000.

    2.  Basic earnings per share in 2011: RMB0.1481 per share.

III. Reasons for the change in the results

    The prominent increase in profit for the results in 2012 was mainly 
    attributable to the following reasons:

    1.  Decrease in fuel costs due to timely adjustments made by the Company 
        to the fuel procurement strategy according to market conditions;

    2.  Increase in revenues from core business due to the increase in 
        average on-grid tariff when compared with the corresponding period 
        of the previous year;

    3.  Increase in investment income attributable to the implementation of 
        active capital operation by the Company.

IV. Risk warning

    The estimated results for the reporting period are only preliminary 
    estimates made by the Company. The detailed and precise financial 
    information of the Company shall be based on the audited 2012 annual 
    report which is to be officially disclosed by the Company. Investors are 
    advised to exercise caution when dealing in the shares of the Company.
 

                                                       By Order of the Board  
                                                             Zhou Gang     
                                                      Secretary to the Board 


Beijing, the PRC, 30 January 2013

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, Mi Dabin, Ye Yonghui, Li Gengsheng, Li Yanmeng*, Zhao Zunlian*, 
Li Hengyuan*, Zhao Jie*, Jiang Guohua*

*  Independent non-executive Directors