Overseas Regulatory Announcement

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limitedtake no responsibility for the contents of this announcement, make no representationas to its accuracy or completeness and expressly disclaim any liability whatsoeverfor any loss howsoever arising from or in reliance upon the whole or any part ofthe 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) OVERSEAS REGULATORY ANNOUNCEMENT ANNOUNCEMENT ON ISSUANCE OF SUPER SHORT-TERM DEBENTURES Special Notice: The board of directors (the "Board") and all directors (the "Directors") of the Companywarrant that there are no false representations and misleading statements contained in,or material omissions from, this announcement, and severally and jointly accept theresponsibility for the truthfulness, accuracy and completeness of the contents ofthis announcement. This announcement is made by the Company pursuant to Rule 13.10(B) of the Rules Governingthe Listing of Securities on the Stock Exchange of Hong Kong Limited. As resolved at the 2011 fourth extraordinary general meeting (the "EGM") of DatangInternational Power Generation Co., Ltd. (the "Company") held on 6 December 2011,the Company was approved to apply to the National Association of Financial MarketInstitutional Investors (the "NAFMII") for registering the issue limit of the supershort-term debentures with a principal amount of not exceeding RMB10 billion withina period of 12 months from the date of approval at the EGM and are to be issued on arolling basis within the effective period of the registration. On 24 May 2012, theCompany received a "Notification on Acceptance of Registration" (Zhong Shi Xie Zhu[2012] SCP No.6) from the NAFMII confirming the acceptance of registration of theCompany's super short-term debentures. The Company completed the issuance of "The Third Tranche of Datang InternationalPower Generation Co., Ltd.'s Super Short-term Debentures in 2014" (the "Third TrancheSuper Short-term Debentures") on 25 April 2014. The issuance amount for the ThirdTranche Super Short-term Debentures was RMB3 billion with a maturity of 180 days.The unit nominal value is RMB100 and the issuance interest rate is at 4.76%. Industrial and Commercial Bank of China Limited and Bank of Communications Co., Ltdact as the joint lead underwriters for the Third Tranche Super Short-term Debentures.The proceeds from the Third Tranche Super Short-term Debentures will be used to replacepart of the loans of the Company, adjust its debt structure, lower its financing costsand replenish the working capital of the Company. By Order of the Board Zhou Gang Secretary to the Board Beijing, the PRC, 25 April 2014 As at the date of this announcement, the Directors of the Company are:Chen Jinhang, Hu Shengmu, Wu Jing, 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