Announcement on Issuance of Super Short-Term Debentures

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 itsaccuracy or completeness and expressly disclaim any liability whatsoever for any losshowsoever arising from or in reliance upon the whole or any part of the contents of thisannouncement. 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, ormaterial omissions from, this announcement, and severally and jointly accept the responsibilityfor the truthfulness, accuracy and completeness of the contents of this announcement. This announcement is made pursuant to Rule 13.10(B) of the Rules Governing the Listing ofSecurities 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, theCompany was approved to apply to the National Association of Financial Market InstitutionalInvestors (the "NAFMII") for registering the issue limit of the super short-term debentureswith a principal amount of not exceeding RMB10 billion within a period of 12 months fromthe date of approval at the EGM and which are to be issued on a rolling basis within theeffective period of the registration. On 24 May 2012, the Company received a "Notificationon Acceptance of Registration" (Zhong Shi Xie Zhu [2012] SCP No.6) from the NAFMIIconfirming the acceptance of registration of the Company's super short-term debentures. The Company has completed the issuance of "The Third Tranche of Datang InternationalPower Generation Co., Ltd.'s Super Short-term Debentures in 2013" (the "Third TrancheSuper Short-term Debentures") on 6 December 2013. The issuance amount for the ThirdTranche Super Short-term Debentures was RMB2 billion with a maturity of 90 days. The unitnominal value is RMB100 and the issuance interest rate is at 5.70%. China Construction Bank Corporation Limited and China CITIC Bank Corporation Limited actas the joint lead underwriters for the Third Tranche Super Short-term Debentures. Theproceeds from the Third Tranche Super Short-term Debentures will be used to replace partof the bank loans of the Company, to adjust its debt structure, to lower the financingcosts and replenish the working capital of the Company. By Order of the Board Zhou Gang Secretary to the Board Beijing, the PRC, 9 December 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