Connected Transactions

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong
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)

                                 ANNOUNCEMENT

                            CONNECTED TRANSACTIONS

                    TECHNOLOGICAL TRANSFORMATION PROJECT CONTRACTS                                 
                                                                               
Pursuant to the resolution of the fifth meeting of the eighth session of the   
Board on the consideration and approval of the "Resolution on the Tendering for
the Technological Transformation Projects of Datang International and its      
Subsidiaries" on 6 December 2013 (details of which were set out in the overseas
regulatory announcement of the Company dated 6 December 2013), the Company and 
its subsidiaries have invited public tender for their Technological            
Transformation Projects in 2014. According to the result of the tender, certain
subsidiaries and power plants of the Company entered into a total of nine      
Technological Transformation Project Contracts with Certain Subsidiaries of    
CDC, with the aggregate contract amount of approximately RMB510.061 million.   
                                                                               
LISTING RULES IMPLICATIONS                                                     
                                                                               
As at the date of this announcement, CDC is the controlling Shareholder of the 
Company, which together with its subsidiaries hold 34.71% of the issued share  
capital of the Company. Pursuant to Chapter 14A of the Listing Rules, since    
such Certain Subsidiaries of CDC are subsidiaries of CDC or consortium formed  
by the subsidiaries of CDC, they are connected persons of the Company and the  
transactions under the Technological Transformation Project Contracts          
constitute connected transactions of the Company.                              
                                                                               
As one or more of the applicable percentage ratios (as defined under Rule 14.07
of the Listing Rules) in respect of the aggregated transaction amount under the
nine Technological Transformation Project Contracts is more than 0.1% but less 
than 5%, the Technological Transformation Project Contracts and the            
transactions thereunder are subject to the reporting and announcement          
requirements under Chapter 14A of the Listing Rules but do not require the     
approval by the independent Shareholders of the Company.                       
                                                                               
On 20 March 2014, the contract amount of the Technological Transformation      
Project Contract entered into between Zhangjiakou Power Plant and Datang       
Engineering Company exceeded the de minimis threshold under Rule 14A.76 of the 
Listing Rules and required reporting and announcement under Chapter 14A of the 
Listing Rules. The Company made supplemental disclosure of the Technological   
Transformation Project Contracts in order to comply with the relevant reporting
and announcement requirements under Chapter 14A of the Listing Rules.          

TECHNOLOGICAL TRANSFORMATION PROJECT CONTRACTS

Pursuant to the "Resolution on the Tendering for the Technological
Transformation Projects of Datang International and its Subsidiaries"
considered and approved in the fifth meeting of the eighth session of the Board
on 6 December 2013 (details of which were set out in the overseas regulatory
announcement dated 6 December 2013), the Company and its subsidiaries have
invited public tender for their Technological Transformation Projects in 2014.
According to the result of the tender, certain subsidiaries and power plants of
the Company entered into a total of nine Technological Transformation Project
Contracts with Certain Subsidiaries of CDC, with the aggregate contract amount
of approximately RMB510.061 million.

Date of contracts:

Various dates from March 2014 to July 2014

Parties:

(1) Certain subsidiaries and power plants of the Company:
   
    Zhangjiakou Power Plant, Wangtan Power Generation Company, Zhangjiakou Thermal
    Power Company, Jinzhou Thermal Power Company, Keqi Coal-based Gas Company,
    Xinyu Power Generation Company, Chaozhou Power Generation Company and Ningde
    Power Generation Company

(2) Certain Subsidiaries of CDC:
   
    Datang Technology Industry Company, Datang Engineering Company and Datang
    Technology Industry Company-Datang Engineering Company consortium

Major terms of the contracts:

During March 2014 to July 2014, the parties entered into a total of nine
Technological Transformation Project Contracts, and the terms of which are
materially the same. The major terms are summarised as follows:

Subject     Datang Technology Industry Company, Datang Engineering Company and 
matter      Datang Technology Industry Company - Datang Engineering Company    
            consortium entered into nine Technological Transformation Project  
            Contracts with eight subsidiaries and power plants of the Company  
                                                                               
Name of the (1) Zhangjiakou Power Plant entered into the "General EPC Contract 
contracts       for Transformation Project for the Bag-type Dust Collectors of 
                Boilers No. 1 and 4 of 300MW Power Generating Units No. 1 and 4
                of Zhangjiakou Power Plant" with Datang Engineering Company,   
                pursuant to which, Zhangjiakou Power Plant agreed to appoint   
                Datang Engineering Company to carry out the transformation     
                project for the bag-type dust collectors of boilers of its     
                power generating units, with an aggregate contract amount of   
                RMB34.85 million.                                              
                                                                               
            (2) Zhangjiakou Power Plant entered into the "General EPC Contract 
                for Transformation Project for the Bag-type Dust Collectors of 
                Boilers No. 3 and 7 of 300MW Power Generating Units No. 3 and 7
                of Zhangjiakou Power Plant" with Datang Engineering Company,   
                pursuant to which, Zhangjiakou Power Plant agreed to appoint   
                Datang Engineering Company to carry out the transformation     
                project for bag-type dust collectors of boilers of its power   
                generating units, with an aggregate contract amount of RMB50.15
                million.                                                       
                                                                               
            (3) Chaozhou Power Generation Company entered into the "Commercial 
                Contract for Transformation Project for the Power Supply of the
                Electrostatic Dust Precipitators of Boilers No. 3 and 4 of the 
                Power Generating Units of Chaozhou Power Generation Company"   
                with Datang Engineering Company, pursuant to which, Chaozhou   
                Power Generation Company agreed to appoint Datang Engineering  
                Company to carry out the transformation project for            
                electrostatic dust precipitators of boilers of its power       
                generating units, with an aggregate contract amount of RMB6.831
                million.                                                       
                                                                               
            (4) Ningde Power Generation Company entered into the "Purchase and 
                Sale Contract for Equipment for the Transformation of the Power
                Supply of the Electrostatic Dust Precipitators of Power        
                Generating Units No. 2 and 3 of Ningde Power Generation        
                Company" with Datang Engineering Company, pursuant to which,   
                Ningde Power Generation Company agreed to purchase             
                transformation equipment for the power supply of the           
                electrostatic dust precipitators of its power generating units 
                from Datang Engineering Company, with an aggregate contract    
                amount of RMB5.211 million.                                    
                                                                               
            (5) Keqi Coal-based Gas Company entered into the "General Contract 
                for the Denitrification Project of 3×470t/h Coal-fired Boilers 
                of the Power Generating Units of Keqi Coal-based Gas Company"  
                with Datang Engineering Company, pursuant to which, Keqi       
                Coal-based Gas Company agreed to appoint Datang Engineering    
                Company to carry out general contracting of the denitrification
                engineering work for its coal-fired boilers, with an aggregate 
                contract amount of RMB99.47 million.                           
                                                                               
            (6) Wangtan Power Generation Company entered into the "Contract for
                Capacity Expansion and Transformation Project for the Flue Gas 
                Desulfurisation System of Power Generating Units No. 1 and 2 of
                Wangtan Power Generation Company" with Datang Technology       
                Industry Company-Datang Engineering Company consortium,        
                pursuant to which, Wangtan Power Generation Company agreed to  
                appoint Datang Technology Industry Company-Datang Engineering  
                Company consortium to carry out the capacity expansion and     
                transformation project for the flue gas desulfurisation system 
                of its power generating units, with an aggregate contract      
                amount of RMB124.98 million.                                   
                                                                               
            (7) Zhangjiakou Thermal Power Company entered into the "Contract   
                for Capacity Expansion and Transformation Project for the Flue 
                Gas Desulfurisation System of Power Generating Units No. 1 and 
                2 of Zhangjiakou Thermal Power Company" with Datang Technology 
                Industry Company-Datang Engineering Company consortium,        
                pursuant to which, Zhangjiakou Thermal Power Company agreed to 
                appoint Datang Technology Industry Company-Datang Engineering  
                Company consortium to carry out the capacity expansion and     
                transformation project for the flue gas desulfurisation system 
                of its power generating units, with an aggregate contract      
                amount of RMB84.58 million.                                    
                                                                               
            (8) Jinzhou Thermal Power Company entered into the "Contract for   
                Transformation Project for the Electrostatic Dust Precipitators
                of Boilers No. 1 and 2 of Power Generating Units of Jinzhou    
                Thermal Power Company" with Datang Engineering Company,        
                pursuant to which, Jinzhou Thermal Power Company agreed to     
                appoint Datang Engineering Company to carry out the            
                transformation project for the electrostatic dust precipitators
                of boilers of its power generating units, with an aggregate    
                contract amount of RMB4.899 million.                           
                                                                               
            (9) Xinyu Power Generation Company entered into the "Commercial    
                Contract for Transformation Project for the SCR Flue Gas       
                Denitrification Project of Power Generating Units No. 1 and 2  
                (2×220MW) of Xinyu Power Generation Company" with Datang       
                Technology Industry Company-Datang Engineering Company         
                consortium, pursuant to which, Xinyu Power Generation Company  
                agreed to appoint Datang Technology Industry Company-Datang    
                Engineering Company consortium to carry out the transformation 
                project for the SCR flue gas denitrification system of its     
                power generating units, with an aggregate contract amount of   
                RMB99.09 million.                                              

Total                     Breakdown of the total contract price:                             
contract                                                                       
price       Total        Total         Total         Total         Total other 
(RMB'000)   facilities   consideration consideration consideration expenses    
            costs        for           for           for technical (RMB'000):  
            (RMB'000):   construction  installation  services                  
                         work          work          (RMB'000):                
                         (RMB'000):    (RMB'000):                              
                                                                               
510,061     324,220.842  43,874.839    119,782.285   18,489.41     3,693.624   
                                                                               
Major        A. Prepayment:                                                    
settlement                                                                     
and payment     Within one month from the effective date of the contract, the      
terms           Contractors shall provide an irrevocable performance bond guarantee
                in an amount equivalent to 10% of the total contract price and a   
                financial receipt equivalent to 10% of the total contract price and
                the Owners shall pay 10% of the total contract price to the        
                contractors as prepayment within one month upon verification of    
                such documents.                                                    
                                                                               
            B. Facilities costs:                                              
                                                                               
               (1) The Owners shall pay 20% of the facilities costs to the        
                   Contractors within two weeks upon receiving and verifying (a) a
                   copy of the major sections of the contract for the purchase of 
                   the main facilities; and (b) a financial receipt equivalent to 
                   20% of the facilities costs.                                   
                                                                               
               (2) The Owners shall pay 30% of the facilities costs to the        
                   Contractors within one month after the delivery of the         
                   equipment (parts and components) in lots according to specified
                   order to the place of delivery within specified time, and upon 
                   receiving and verifying (a) the original of the certificate of 
                   inspection of the lots of facilities signed by the authorised  
                   representative of the Owners; (b) the original of the detailed 
                   content checklist of the lots of the facilities; (c) the       
                   original of the quality check certificate of the lots of       
                   facilities; and (d) a special invoice for the value-added tax  
                   on 100% of the facilities costs.                               
                                                                               
               (3) After the construction work is completed, and the facilities   
                   under the contract passed test run for 168 hours, the Owners   
                   shall pay 30% of the facilities costs to the Contractors within
                   one month upon verifying such construction work.               
                                                                                  
               (4) Within one month after the expiration of the warranty period of
                   the facilities and no quality issues arises, and upon the owner
                   receiving (a) a copy of the final certificate of               
                   check-and-acceptance for the facilities under the contract; and
                   (b) a financial receipt equivalent to 10% of the facilities    
                   costs, the Owners shall pay 10% of the facilities costs to the 
                   Contractors within one month upon verifying such documents.    
                                                                               
            C. Consideration for construction and installation works:         
                                                                               
               (1) Upon completion of 50% of the construction work, the Owners    
                   shall pay 20% of the consideration of the construction and     
                   installation work and provide invoice based on the construction
                   progress.                                                      
                                                                               
               (2) Upon completion of 80% of the construction work, the Owners    
                   shall pay 20% of the consideration of the construction and     
                   installation work and provide invoice based on the construction
                   progress.                                                      
                                                                               
               (3) Upon completion of 100% of the construction work, the Owners   
                   shall pay 20% of the consideration of the construction and     
                   installation work and provide the full amount invoice for the  
                   construction work.                                             
                                                                               
               (4) Upon completion of the installation work, the Owners shall pay 
                   20% of the consideration of the construction and installation  
                   work after check and acceptance.                               
                                                                               
               (5) The Owners shall pay 10% of the consideration of the           
                   construction and installation work to the contractors after the
                   expiration of the warranty period of the contractual work with 
                   no quality issues arises, and within one year upon the         
                   submission of five copies of the final certificate of          
                   check-and-acceptance by the Contractors and verification of    
                   such documents by the Owners. Should any quality issues arises,
                   the corresponding expenses shall be deducted thereof.          
                                                                               
            D. Consideration for technical services:                          
                                                                               
               Lump sum settlement:                                               
                                                                               
               Within one month upon submission of construction plan and a service
               industry invoice in the amount equivalent to 100% of the technical 
               services fee by the Contractors which are checked and confirmed by 
               the Owners, the Owners shall pay 100% of the total technical       
               services fee to the Contractors; or                                
                                                                               
               Settlement by installment:                                         
                                                                               
               (1) Within one month upon completion of the preliminary design and 
                   construction plan, the Contractors shall provide a commercial  
                   invoice in the amount equivalent to 70% of the total design    
                   fees and the technical information required by the contract,   
                   and the Owners shall pay 60% of the total design fees to the   
                   Contractors within 30 days upon verification of such documents.
                                                                               
               (2) Within one month upon completion of the as-built drawings, the 
                   Contractors shall provide a commercial invoice in the amount   
                   equivalent to 10% of the total design fees and the technical   
                   information required by the contract, and the Owners shall pay 
                   10% of the total design fees to the Contractors within 30 days 
                   upon verification of such documents.                           
                                                                               
               (3) Upon signing of the preliminary certificate of                 
                   check-and-acceptance by the owner, the Contractors shall       
                   provide the commercial invoice in the amount equivalent to 20% 
                   of the total design fees, and the Owners shall pay 10% of the  
                   total design fees to the Contractors within 30 days upon       
                   verification of such documents.                                
                                                                               
               (4) 10% of the remaining design fees shall be paid as warranty bond
                   of the design.                                                 
                                                                               
            E. Other expenses:                                                
                                                                               
               Other expenses shall be paid simultaneously in the same manner as  
               the consideration for construction and installation works.         
                                                                               
Conditions  The Technological Transformation Project Contracts shall become    
precedent   effective when they are duly signed by the legal representative or 
            the proxy (with written authorisation by the legal representative) 
            of the parties with their respective company seals affixed thereto.

REASONS FOR AND BENEFITS OF ENTERING INTO THE TECHNOLOGICAL TRANSFORMATION
PROJECT CONTRACTS

According to the annual technological transformation plan of the Company, the
Company invited public tender for the Technological Transformation Projects for
the power generating units of its power plants and subsidiaries. After carrying
out relevant evaluation procedures and considering various factors, including
the technical experiences, professional qualification, business reputation,
project management skills, consideration amount and other relevant factors of
all the tenderers, certain professional companies, including Datang Engineering
Company, Datang Technology Industry Company and Datang Technology Industry
Company-Datang Engineering Company consortium were selected as the tender
winners for the Technological Transformation Projects for the power generating units
of eight subsidiaries and power plants of the Company.

Datang Technology Industry Company, Datang Engineering Company and Datang
Technology Industry Company-Datang Engineering Company consortium possess
sufficient qualification with rich expertise in carrying out the Technological
Transformation Projects. The Company considers that such companies will be
capable to ensure the Technological Transformation Projects to be carried out
smoothly.

The Company's power plants and subsidiaries agreed to appoint Datang Technology
Industry Company, Datang Engineering Company and Datang Technology Industry
Company-Datang Engineering Company consortium to carry out the Technical
Transformation Projects, mainly for the purposes of ensuring the on-schedule
completion of Technical Transformation Projects of the Company's power plants
and subsidiaries, to fully ride on their professional advantage, as well as to
control cost to a certain extent through large scale purchasing of facilities.

The Directors (including independent non-executive Directors) are of the view
that the transactions under the Technological Transformation Project Contracts
were duly completed by way of public tender; the relevant terms are fair and
reasonable and conducted on normal commercial terms and is in the interests of
the Company and its shareholders as a whole.

BOARD'S APPROVAL

None of the Directors has material interest in the transactions under the
Technological Transformation Project Contracts. Connected Directors, including
Chen Jinhang, Hu Shengmu and Fang Qinghai, have abstained from voting for this
resolution at the relevant Board meeting pursuant to the Listing Rules of the
Shanghai Stock Exchange.

INFORMATION OF THE PARTIES

 1. The Company is principally engaged in the construction and operation of
    power plants, the sale of electricity and thermal power, the repair and
    maintenance of power equipment and power related technical services, with
    its main service areas being in the PRC.
   
 2. Zhangjiakou Power Plant is a power plant owned by the Company. It currently
    has eight 300MW coal-fired generation units (2,400MW in total) and the
    assets of compatible desulfurisation facilities. The power generated mainly
    supplies the Beijing-Tianjin-Tangshan power grid.
   
 3. CDC was established on 9 March 2003 with registered capital of RMB15,394
    million and is principally engaged in the development, investment,
    construction, operation and management of power energy, organisation of
    power (thermal) production and sales; manufacturing, repair and maintenance
    of power equipment; power technology development and consultation; power
    engineering, contracting and consultation of environmental power
    engineering; development of new energy as well as development and
    production of power related coal resources.
   
 4. Datang Technology Industry Company is a wholly-owned subsidiary of CDC with
    a registered capital of RMB550 million. The company is the major platform
    for the development of the technology business segment of CDC and is
    responsible for the implementation of the development strategy and plan for
    the technology business of CDC.
   
 5. Datang Engineering Company is a subsidiary of Datang Technology Industry
    Company. It was established on 10 May 2004 with a registered capital of
    RMB180 million. Its scope of business mainly includes: general contracting
    for design and construction of thermal power and wind power generation
    system; general contracting for design and construction of environmental
    projects such as flue gas desulfurisation and denitrification in various
    areas, including energy, metallurgy and chemistry; franchise of
    environmental desulfurisation facilities; general contracting for design
    and construction of material conveying projects, such as coal conveying,
    ash conveying and bulk cargo terminals; general contracting for design and
    construction of projects such as dry slag removing system and
    anti-corrosion of chimneys; manufacture of heavy machinery and dry slag
    removing equipment.
   
 6. Datang Technology Industry Company-Datang Engineering Company consortium is
    a consortium formed by Datang Technology Industry Company Limited and China
    Datang Technologies and Engineering Co., Ltd.
   
 7. Wangtan Power Generation Company is a subsidiary of the Company and has an
    installed capacity of 1,200MW.
   
 8. Zhangjiakou Thermal Power Company is a wholly-owned subsidiary of the
    Company and has an installed capacity of 600MW.
   
 9. Jinzhou Thermal Power Company is a wholly-owned subsidiary of the Company
    and has an installed capacity of 600MW.
   
10. Keqi Coal-based Gas Company is a subsidiary of the Company which is owned
    as to 51% by the Company. It was duly incorporated on 10 December 2010 with
    a registered capital of RMB392 million.
   
11. Xinyu Power Generation Company is a wholly-owned subsidiary of the Company
    and has an installed capacity of 440MW.
   
12. Chaozhou Power Generation Company is a subsidiary of the Company which is
    owned as to 52.5% by the Company. It has a total installed capacity of
    3,200MW.
   
13. Ningde Power Generation Company is a subsidiary of the Company which is
    owned as to 51% by the Company. It has a total installed capacity of
    2,520MW.
   
LISTING RULES IMPLICATIONS

As at the date of this announcement, CDC is the controlling Shareholder of the
Company, which together with its subsidiaries hold 34.71% of the issued share
capital of the Company. Pursuant to Chapter 14A of the Listing Rules, since
Such Subsidiaries of CDC are subsidiaries of CDC or consortium formed by the
subsidiaries of CDC, they are connected persons of the Company and the
transactions under the Technological Transformation Project Contracts
constitute connected transactions of the Company.

As one or more of the applicable percentage ratios (as defined under Rule 14.07
of the Listing Rules) in respect of the aggregated transaction amount under the
nine Technological Transformation Project Contracts is more than 0.1% but less
than 5%, the Technological Transformation Project Contracts and the
transactions thereunder are subject to the reporting and announcement
requirements under Chapter 14A of the Listing Rules but do not require the
approval by the independent Shareholders of the Company.

On 20 March 2014, the contract amount of the Technological Transformation
Project Contract entered into between Zhangjiakou Power Plant and Datang
Engineering Company exceeded the de minimis threshold under Rule 14A.76 of the
Listing Rules and required reporting and announcement under Chapter 14A of the
Listing Rules. The Company made supplemental disclosure of the Technological
Transformation Project Contracts in order to comply with the relevant reporting
and announcement requirements under Chapter 14A of the Listing Rules.

DEFINITIONS

In this announcement, unless the context otherwise requires, the following
expressions have the following meanings:

"Board"                       the board of Directors                           
                                                                               
"CDC"                         China Datang Corporation, a State-owned          
                              enterprise established under the laws of the PRC 
                              and is a controlling shareholder of the Company. 
                              CDC and its subsidiaries own approximately 34.71%
                              of the issued share capital of the Company as at 
                              the date of this announcement                    
                                                                               
"Certain Subsidiaries of      Datang Technology Industry Company, Datang       
CDC"                          Engineering Company and Datang Technology        
                              Industry Company - Datang Engineering Company    
                              consortium                                       
                                                                               
"Chaozhou Power               Guangdong Datang International Chaozhou Power    
Generation Company"           Generation Company Limited, a subsidiary of the  
                              Company. For more information, please refer to   
                              the section headed "INFORMATION OF THE PARTIES"  
                                                                               
"Company"                     Datang International Power Generation Co., Ltd., 
                              a sino-foreign joint stock limited company       
                              incorporated in the PRC on 13 December 1994,     
                              whose H Shares are listed on the Stock Exchange  
                              and the London Stock Exchange and whose A Shares 
                              are listed on the Shanghai Stock Exchange        
                                                                               
"connected person"            has the meaning ascribed to it under the Listing 
                              Rules                                            
                                                                               
"connected transaction"       has the meaning ascribed to it under the Listing 
                              Rules                                            
                                                                               
"Contractors"                 Datang Technology Industry Company, Datang       
                              Engineering Company and Datang Technology        
                              Industry Company-Datang Engineering Company      
                              consortium                                       
                                                                               
"Datang Engineering           China Datang Technologies and Engineering Co.,   
Company"                      Ltd., a subsidiary of Datang Technology          
                              Industry Company Limited, a wholly-owned         
                              subsidiary of CDC. For more information, please  
                              refer to the section headed "INFORMATION OF THE  
                              PARTIES"                                         
                                                                               
"Datang Technology            Datang Technology Industry Company Limited, a    
Industry Company"             wholly-owned subsidiary of CDC. For more         
                              information, please refer to the section headed  
                              "INFORMATION OF THE PARTIES"                     

"Datang Technology            a consortium formed by Datang Engineering        
Industry Company - Datang     Company and Datang Technology Industry Company 
Engineering Company           
consortium"                   
                                                                               
"Director(s)"                 the director(s) of the Company                   
                                                                               
"Jinzhou Thermal Power        Liaoning Datang International Jinzhou Thermal    
Company"                      Power Generation Limited, a wholly-owned         
                              subsidiary of the Company. For more              
                              information, please refer to the section headed  
                              "INFORMATION OF THE PARTIES"                     
                                                                               
"Keqi Coal-based Gas          Inner Mongolia Datang International Keshiketeng  
Company"                      Qi Coal-based Gas Company Limited, a subsidiary  
                              of the Company. For more information, please     
                              refer to the section headed "INFORMATION OF THE  
                              PARTIES"                                         
                                                                               
"Listing Rules"               the Rules Governing the Listing of Securities    
                              on the Stock Exchange                            
                                                                               
"Ningde Power Generation      Fujian Datang International Ningde Power         
Company"                      Generation Company Limited, a subsidiary of the  
                              Company. For more information, please refer to   
                              the section headed "INFORMATION OF THE PARTIES"  
                                                                               
"Owners"                      Zhangjiakou Power Plant, Wangtan Power           
                              Generation Company, Zhangjiakou Thermal Power    
                              Company, Jinzhou Thermal Power Company, Keqi     
                              Coal-based Gas Company, Xinyu Power Generation   
                              Company, Chaozhou Power Generation Company,      
                              Ningde Power Generation Company                  
                                                                               
"PRC"                         the People's Republic of China                   
                                                                               
"RMB"                         Renminbi, the lawful currency of the PRC         
                                                                               
"Stock Exchange"              The Stock Exchange of Hong Kong Limited          
                                                                               
"Technological                refers collectively to the following nine        
Transformation Project        contracts or any one of them:                    
Contract(s)"                                                                   
                              (1) "General EPC Contract for Transformation     
                                  Project for the Electric Dust Wipers of      
                                  Boilers No. 1 and 4 of 300MW Power           
                                  Generating Units No. 1 and 4 of Zhangjiakou  
                                  Power Plant" entered into between            
                                  Zhangjiakou Power Plant and Datang           
                                  Engineering Company on 20 March 2014         
                                                                               
                              (2) "General EPC Contract for Transformation     
                                  Project for the Electric Dust Wipers of      
                                  Boilers No. 3 and 7 of 300MW Power           
                                  Generating Units No. 3 and 7 of Zhangjiakou  
                                  Power Plant" entered into between            
                                  Zhangjiakou Power Plant and Datang           
                                  Engineering Company in April 2014            
                                                                               
                              (3) "Commercial Contract for Transformation      
                                  Project for Transformation Project for the   
                                  Power Supply of the Electric Dust Wipers of  
                                  Boilers No. 3 and 4 of the Power Generating  
                                  Units of Chaozhou Power Generation Company"  
                                  entered into between Chaozhou Power          
                                  Generation Company and Datang Engineering    
                                  Company on 4 April 2014                      
                                                                               
                              (4) "Purchase and Sale Contract for Equipment    
                                  for the Transformation of the Power Supply   
                                  of the Electric Dust Wipers of Power         
                                  Generating Units No. 2 and 3 of Ningde       
                                  Power Generation Company" entered into       
                                  between Ningde Power Generation Company and  
                                  Datang Engineering Company on 18 April 2014  
                                                                               
                              (5) "General Contract for the Denitrification    
                                  Project of 3×470t/h Coal-fired Boilers of    
                                  the Power Generating Units of Keqi           
                                  Coal-based Gas Company" entered into         
                                  between Keqi Coal-based Gas Company and      
                                  Datang Engineering Company in May 2014       
                                                                               
                              (6) "Contract for Expansion and Transformation   
                                  Project for the Flue Gas Desulfurization     
                                  System of Power Generating Units No. 1 and   
                                  2 of Wangtan Power Generation Company"       
                                  entered into between Wangtan Power           
                                  Generation Company and Datang Technology     
                                  Industry Company-Datang Engineering Company  
                                  consortium is a consortium in July 2014      
                                                                               
                              (7) "Contract for Expansion and Transformation   
                                  Project for the Flue Gas Desulfurisation     
                                  System of Power Generating Units No. 1 and   
                                  2 of Zhangjiakou Thermal Power Company"      
                                  entered into between Zhangjiakou Thermal     
                                  Power Company and Datang Technology          
                                  Industry Company-Datang Engineering Company  
                                  consortium on 15 July 2014                   
                                                                               
                              (8) "Contract for Transformation Project for     
                                  the Electric Dust Wipers of Boilers No. 1    
                                  and 2 of Power Generating Units of Jinzhou   
                                  Thermal Power Company" entered into between  
                                  Jinzhou Thermal Power Company and Datang     
                                  Technology Industry Company-Datang           
                                  Engineering Company consortium on 18 July    
                                  2014                                         
                                                                               
                              (9) "Commercial Contract for Transformation      
                                  Project for the SCR Flue Gas                 
                                  Denitrification Project of Power Generating  
                                  Units No. 1 and 2 (2×220MW) of Xinyu Power   
                                  Generation Company" entered into between     
                                  Xinyu Power Generation Company and Datang    
                                  Technology Industry Company-Datang           
                                  Engineering Company consortium on 29 July    
                                  2014                                         
                                                                               
"Technological                refers to the technological transformation       
Transformation Projects"      projects that transform obsolete technologies    
                              into advanced technologies and replace outdated  
                              technology and equipment with advanced ones by   
                              upholding the principle of technological         
                              advancement, thereby achieving the goal to       
                              expand production capacities through organic     
                              growth, diversify product portfolio and enhance  
                              product quality, at the same time saving         
                              energy, reducing raw materials consumption,      
                              enhancing labour productivity and increasing     
                              economic benefits                                
                                                                               
"Wangtan Power Generation     Hebei Datang International Wangtan Power         
Company"                      Generation Company Limited, a subsidiary of the  
                              Company. For more information, please refer to   
                              the section headed "INFORMATION OF THE PARTIES"  
                                                                               
"Xinyu Power Generation       Jiangxi Datang International Xinyu Power         
Company"                      Generation Company Limited, a wholly-owned       
                              subsidiary of the Company. For more              
                              information, please refer to the section headed  
                              "INFORMATION OF THE PARTIES"                     
                                                                               
"Zhangjiakou Power Plant"     Datang International Power Generation Company    
                              Limited Zhangjiakou Power Plant, a power plant   
                              owned and directly managed by the Company. For   
                              more information, please refer to the section    
                              headed "INFORMATION OF THE PARTIES"              
                                                                               
"Zhangjiakou Thermal          Hebei Datang International Zhangjiakou Thermal   
Power Company"                Power Generation Company Limited, a subsidiary   
                              of the Company. For more information, please     
                              refer to the section headed "INFORMATION OF THE  
                              PARTIES"                                         
                                                                               
"%"                           percentage                                       

                                                  By Order of the Board

                                                         Zhou Gang

                                                  Secretary to the Board

Beijing, the PRC, 27 August 2014

As at the date of this announcement, the Directors of the Company are:

Chen Jinhang, Hu Shengmu, Wu Jing, Fang Qinghai, Zhou Gang, Cao Xin, 
Cai Shuwen, Liu Haixia, Guan Tiangang, Yang Wenchun,
Dong Heyi*, Ye Yansheng*, Zhao Jie*, Jiang Guohua*, Feng Genfu*

* Independent non-executive Directors