Proposed Change of Auditor

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong KongLimited take no responsibility for the contents of this announcement, make norepresentation as to its accuracy or completeness and expressly disclaim anyliability whatsoever for any loss howsoever arising from or in reliance uponthe 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) PROPOSED CHANGE OF AUDITOR This announcement is made by Datang International Power Generation Co., Ltd.(the "Company") pursuant to Rule 13.51(4) of the Rules Governing the Listing ofSecurities on The Stock Exchange of Hong Kong Limited. RSM China Certified Public Accountants (Special Ordinary Partnership) ("RSMChina") is the domestic financial auditor of the Company for year 2013following an approval on its appointment at the 2012 annual general meeting ofthe Company and is responsible for domestic auditing, among other things, ofthe Company's financial report for year 2013. The Company has recently received a letter from RSM China, informing theCompany that RSM China has merged with Crowe Horwath China CPAs (SpecialOrdinary Partnership) ("Crowe Horwath"). The merged firm will use Crowe Horwathas the legal entity and will be renamed as Ruihua China CPAs (Special OrdinaryPartnership). Former RSM China will cease to exist and all of its employees andbusinesses will be transferred to Ruihua China CPAs (Special OrdinaryPartnership) which will provide services for clients under the name of RuihuaChina CPAs (Special Ordinary Partnership). Since the professional staff responsible for the Company's domestic auditingwork for year 2013 have been transferred to Ruihua China CPAs (Special OrdinaryPartnership), the reappointment of Ruihua China CPAs (Special OrdinaryPartnership) as the Company's domestic financial auditor for year 2013 to carryout domestic auditing, among other things, of the Company's financial reportfor year 2013 has been considered and approved at the second meeting of theeighth session of the board of directors (the "Board") of the Company in orderto maintain continuity and stability of the Company's domestic financialauditing work. The overseas auditor of the Company for carrying out overseas auditing work ofthe Company will temporarily remain unchanged. The relevant audit services willcontinue to be carried out by RSM Nelson Wheeler Certified Public Accountants. RSM China has confirmed in writing that there are no matters in relation to itsretirement which should be brought to the attention of the shareholders of theCompany. The Board is also not aware of any matters in relation to the proposedchange of auditor that need to be brought to the attention of the shareholdersof the Company. The Board has also confirmed that there are no disagreements oroutstanding matters between the Company and RSM China. The proposed change of auditor is subject to shareholders' consideration andapproval at the general meeting of the Company. A notice of the general meetingcontaining, among other things, further details of the proposed change ofauditor will be despatched to the shareholders in due course. By Order of the Board Zhou Gang Secretary to the Board Beijing, the PRC, 26 August 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