Change of Registered Address in the PRC

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take noresponsibility for the contents of this announcement, make no representation as to its accuracyor completeness and expressly disclaim any liability whatsoever for any loss howsoever arisingfrom 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) ANNOUNCEMENT CHANGE OF REGISTERED ADDRESS IN THE PRC Datang International Power Generation Co., Ltd. (the "Company") announces that the registeredaddress of the Company in the People's Republic of China (the "PRC") has been changed toNo. 9 Guangningbo Street, Xicheng District, Beijing, the PRC. Recently, the Company has obtainedthe Business License of the Enterprise Legal Person issued by the State Administration forIndustry & Commerce. By Order of the Board Zhou Gang Secretary to the Board Beijing, the PRC, 12 September 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