Attachment 1: Information of the Management and Controller of the
Company

1. PTTEP’s Board of Directors

As of 1 January 2012, PTTEP’s Board of Directors consists of 15
directors. Details of 15 current directors and 9 directors retiring from
the office during the year 2011 are as below;

[TABLE]

[TABLE]

  --------------- -------- -------------------- ---------------- --------- -------------- --------------- ---------- ---------------- ----------------------- --------------
  Name/Position   Age      Education/Training                    % of      Family         Working                                                             
                  (year)                                         Share     Relationship   experiences in                                                      
                                                                 holding   among          the 5 preceding                                                     
                                                                           Executives     years                                                               

                                                                                          Period          Position                    Function/Company/Type   
                                                                                                                                      of Business             

                           Other Training                                                 Other                                                               
                                                                                          organizations                                                       

                           •                    Capital Market                            June 2011 -     •          President        •                       Federation of
                                                Academy                                   Present                                                             Accounting
                                                Leadership                                                                                                    

                                                Program (Class                                                                                                Professions
                                                5), Capital                                                                                                   
                                                Market                                                                                                        

                                                Academy                                   2011 - Present  •          University       •                       Thammasat
                                                                                                                                                              University

                           •                    The Joint                                                            Member                                   
                                                State-Private                                                                                                 
                                                Sector Regular                                                                                                

                                                Course, The                                                          Council                                  
                                                National Defense                                                                                              
                                                College                                                                                                       

                                                (Class 13)                                2011 - Present  •          President        •                       Thammasat
                                                                                                                                                              Association

                                                                                          2005 – June     •          Vice President   •                       The Managerial
                                                                                                                                                              Accounting

                                                                                          2011                       and Chairman                             Committee,
                                                                                                                                                              Federation of

                                                                                                                                                              Accounting
                                                                                                                                                              Professions

                                                                                          2003-2009       •          Chairman         •                       Social
                                                                                                                                                              Security Fund 

                                                                                                                     Investment                               

                                                                                                                     Administration                           

                                                                                                                     Sub-Committee                            
  --------------- -------- -------------------- ---------------- --------- -------------- --------------- ---------- ---------------- ----------------------- --------------

  --------------- -------- -------------------- -------- ----------------- --------- -------------- --------------- ---------- --- ---------- ---------- ----------- ----------------------- -------------
  Name/Position   Age      Education/Training                              % of      Family         Working                                                                                  
                  (year)                                                   Share     Relationship   experiences in                                                                           
                                                                           holding   among          the 5 preceding                                                                          
                                                                                     Executives     years                                                                                    

                                                                                                    Period          Position                                         Function/Company/Type   
                                                                                                                                                                     of Business             

  (3) Mr. Sommai  63       Education                                       None      None           Other listed                                                                             
                                                                                                    companies                                                                                

  Khowkachaporn            •                             Master of                                  Feb. 2011 –     •                                    Director    •                       PTT Plc.
                                                         Business                                                                                                                            
                                                         Administration,                                                                                                                     

  - Independent                                          Long lsland                                Nov. 2011                                                                                
  Director                                               University, New                                                                                                                     
                                                         York,                                                                                                                               

  - Chairman of                                          U.S.A.                                     2004 - present  •                                    Director,   •                       Thai Lube
  the                                                                                                                                                                                        Base Plc.

  Nominating               •                             Bachelor of                                2008 - 2011     •                                    Director    •                       PTT Aromatics
  Committee                                              Business                                                                                                                            and Refining
                                                                                                                                                                                             Plc.

  - Member of the                                        Administration,                            2008 - 2011     •                                    Director    •                       IRPC Plc.
  Risk                                                   University of the                                                                                                                   

    Management                                           East, Philippines                          Other companies                                                                          
  Committee                                                                                                                                                                                  

  - Director from          Training of Thai                                                         None                                                                                     
  private                  Institute of                                                                                                                                                      
                           Directors                                                                                                                                                         

  sector                   Association                                                              Other                                                                                    
                                                                                                    organizations                                                                            

                           •                             Audit Committee                            2011 - present             •              Director               •                       Small and
                                                         Program (ACP)                                                                                                                       Medium
                                                                                                                                                                                             Enterprise

                                                4/2005                                                                                                                                       Development
                                                                                                                                                                                             Bank of
                                                                                                                                                                                             Thailand

                           •                             Director                                   2011 - present  •              Director                          •                       Industrial
                                                         Certification                                                                                                                       Estate
                                                         Program                                                                                                                             Authority of

                                                         (DCP) 27/2003                                                                                                                       Thailand

                           •                             Finance for                                1996 - 2009     •                                    Vice        •                       National
                                                         Non-Finance                                                                                                                         Science
                                                         Director                                                                                                                            Museum

                                                         (FND) 5/2003                                                                                    Director                            

                           •                             DCP Refresher                                                                                                                       
                                                         1/2005                                                                                                                              
  --------------- -------- -------------------- -------- ----------------- --------- -------------- --------------- ---------- --- ---------- ---------- ----------- ----------------------- -------------

  --------------- -------- -------------------- ---------------- --------- -------------- --------------- ---------- --- ---------- ----------------------- --- ----------------
  Name/Position   Age      Education/Training                    % of      Family         Working                                                               
                  (year)                                         Share     Relationship   experiences in                                                        
                                                                 holding   among          the 5 preceding                                                       
                                                                           Executives     years                                                                 

                                                                                          Period          Position                  Function/Company/Type       
                                                                                                                                    of Business                 

  (4) Mr.         56       Education                             None      None           Other listed                                                          
  Viraphol                                                                                companies                                                             

  Jirapraditkul            •                    Master of                                 None                                                                  
                                                Economics in                                                                                                    
                                                Energy                                                                                                          

  - Independent                                 Economics,                                Other companies                                                       
                                                University of                                                                                                   
                                                Calgary,                                                                                                        

  Director                                      Canada                                    None                                                                  

  - Chairman of            •                    Master of                                 Other                                                                 
  the                                           Economics,                                organizations                                                         
                                                National                                                                                                        
                                                Institute                                                                                                       

  Corporate                                     of Development                            March 2011-                •   Director                           •   Department of
  Governance                                    Administration                                                           General                                Energy

  Committee                •                    Bachelor of                               present                                                               Business
                                                Economics,                                                                                                      
                                                Thammasat                                                                                                       

  - Member of the                               University                                2006 - March               •   Director                           •   Energy Policy
  Risk                                                                                                                   General                                and

  Management               Training of Thai                                               2011                                                                  Planning Office,
                           Institute of                                                                                                                         Ministry
                           Directors                                                                                                                            

  Committee                Association                                                                                                                          of Energy

                           •                    Director                                  2007 – Feb.                •   Board                              •   Electrical and
                                                Certification                                                            Member                                 Electronics
                                                Program                                                                                                         

                                                (DCP) 116 /2009                           2011                                                                  Institute

                           •                    Role of the                               2007 – Feb.                •   Board                              •   The Energy Fund
                                                Nomination and                                                           Member                                 

                                                Governance                                2011                                                                  Administration
                                                Committee (RNG)                                                                                                 Institute

                                                1/2011                                    2008 - Present             •   Board                              •   Ramkhamhaeng
                                                                                                                         Member                                 

                           Other Training                                                                                                                       University
                                                                                                                                                                Council

                           •                    Senior Executive                                                                                                
                                                Service Program                                                                                                 

                                                (Class 1),                                                                                                      
                                                Office of the                                                                                                   
                                                Civil Service                                                                                                   

                                                Commission                                                                                                      
  --------------- -------- -------------------- ---------------- --------- -------------- --------------- ---------- --- ---------- ----------------------- --- ----------------

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------ ----------------------- ----------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                 
                  (year)                                        Share     Relationship   experiences                                             
                                                                holding   among          in the 5                                                
                                                                          Executives     preceding                                               
                                                                                         years                                                   

                                                                                         Period        Position          Function/Company/Type   
                                                                                                                         of Business             

                           •                    Program for                                                                                      
                                                Chief                                                                                            
                                                Information                                                                                      

                                                Officer, Office                                                                                  
                                                of the Civil                                                                                     
                                                Service                                                                                          

                                                Commission and                                                                                   
                                                National                                                                                         

                                                Electronics and                                                                                  
                                                Computer                                                                                         

                                                Technology                                                                                       
                                                Center                                                                                           

                           •                    National                                                                                         
                                                Defense College                                                                                  
                                                2007                                                                                             
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------ ----------------------- ----------

  --------------- -------- -------------------- -------------------- ----------- -------------- --------------- ---------- ---------- ----------------------- ---------------
  Name/Position   Age      Education/Training                        % of Share  Family         Working                                                       
                  (year)                                             holding     Relationship   experiences in                                                
                                                                                 among          the 5 preceding                                               
                                                                                 Executives     years                                                         

                                                                                                Period          Position              Function/Company/Type   
                                                                                                                                      of Business             

  (5) Mr. Tevin   53       Education                                 75,500      None           Other listed                                                  
                                                                     Shares                     companies                                                     

  Vongvanich               •                    Master of Sciences   (0.0022%)                  2009 - Present  •          CFO        •                       PTT Plc.
                                                (Petroleum                                                                                                    
                                                Engineering),                                                                                                 

  - Director                                    University of                                   2010 - Present  •          Director   •                       Thaioil Plc.
                                                Houston, U.S.A.                                                                                               

                           •                    Master of Sciences                              2009 - 2011     •          Director   •                       PTT Chemical
                                                (Chemical                                                                                                     Plc.
                                                Engineering),                                                                                                 

                                                Rice University,                                2009 - 2011     •          Director   •                       PTT Aromatics
                                                U.S.A.                                                                                                        and

                           •                    Bachelor of                                                                                                   Refining Plc.
                                                Engineering                                                                                                   
                                                (Chemical                                                                                                     
                                                Engineering),                                                                                                 

                                                Chulalongkorn                                   2009 - 2010     •          Director   •                       Bangkok
                                                University                                                                                                    Aviation Fuel

                           Training of Thai                                                                                                                   Services Plc.
                           Institute of                                                                                                                       
                           Directors                                                                                                                          
                           Association                                                                                                                        

                           •                    Director                                        2007 - 2010     •          Director   •                       Bangchak
                                                Certification                                                                                                 Petroleum Plc.
                                                Program (DCP)                                                                                                 
                                                21/2002                                                                                                       

                           •                    Financial Statements                            Other companies                                               
                                                for Directors (FSD)                                                                                           
                                                6/2009                                                                                                        

                           •                    Role of the                                     2009 - 2011     •          Chairman   •                       PTT ICT
                                                Compensation                                                                                                  Solutions
                                                Committee (RCC)                                                                                               Co.,Ltd.
                                                12/2011                                                                                                       

                           Other Training                                                       2008 - 2011     •          Director   •                       PTT
                                                                                                                                                              International
                                                                                                                                                              Co.,Ltd.

                           •                    Senior Executive                                Other                                                         
                                                Program (S.E.P. 7),                             organizations                                                 
                                                Sasin                                                                                                         

                                                Graduate Institution                            2010 - Present  •          Chairman   •                       Thailand
                                                of Business                                                                                                   Management
                                                Administration                                                                                                

                                                of Chulalongkorn                                                                                              Association
                                                University                                                                                                    

                           •                    Capital Market                                                                                                
                                                Academy Leadership                                                                                            
                                                Program                                                                                                       

                                                (Class 6), Capital                                                                                            
                                                Market Academy                                                                                                

                           •                    Program for Global                                                                                            
                                                Leadership,                                                                                                   

                                                Harvard Business                                                                                              
                                                School, U.S.A.                                                                                                

                           •                     Democracy for                                                                                                
                                                Senior Executives                                                                                             
                                                Program                                                                                                       

                                                (Class 10), King                                                                                              
                                                Prajadhipok’s                                                                                                 
                                                Institute                                                                                                     

                           •                    National Defence                                                                                              
                                                College (NDC 2009)                                                                                            
  --------------- -------- -------------------- -------------------- ----------- -------------- --------------- ---------- ---------- ----------------------- ---------------

  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------
  Name/Position   Age      Education/Training                     % of      Family         Working                                                        
                  (year)                                          Share     Relationship   experiences in                                                 
                                                                  holding   among          the 5 preceding                                                
                                                                            Executives     years                                                          

                                                                                           Period          Position               Function/Company/Type   
                                                                                                                                  of Business             

  (6) Mr.         52       Education                              None      None           Other listed                                                   
  Chakkrit                                                                                 companies                                                      

  Parapuntakul                                 Master of                                  2008 – Present            Advisor to                         Eastern Water
                                                Business                                                              the                                 Resources
                                                Administration,                                                                                           

  - Independent                                 Angelo State                                                          Audit                               Development and
  Director                                      University,                                                           Committee                           Management Plc.
                                                Texas, U.S.A.                                                                                             

  - Member of the                              Bachelor of                                2004 - Present            Chairman of                        Pongsaap Plc.
                                                Accounting,                                                                                               

  Corporate                                     Thammasat                                                             the Audit                           
                                                University                                                                                                

  Governance               Training of Thai                                                                           Committee                           
                           Institute of                                                                                                                   
                           Directors                                                                                                                      

  Committee                Association                                                     Other companies                                                

                                               Director                                   2010 - 2011               Chairman                           Thailand Post
                                                Accreditation                                                                                             Co., Ltd.
                                                Program                                                                                                   

                                                (DAP), 8/2004                                                                                             

                                               Audit Committee                            Other                                                          
                                                Program                                    organizations                                                  

                                                (ACP), 5/2005                              2009 -Present             Director                           Public Debt
                                                                                                                                                          Management
                                                                                                                                                          Office

                           Other Training                                                                             General                             

                                               Capital Market                             2008-2009                 Deputy                             Public Debt
                                                Academy                                                               Director-                           Management
                                                Leadership                                                                                                Office

                                                Program (Class                                                        General                             
                                                11), Capital                                                                                              
                                                Market                                                                                                    

                                                Academy                                    2002-2008                 Director                           International
                                                                                                                                                          Finance

                                               National Defense                                                                                          Bureau, Public
                                                College (Class                                                                                            Debt
                                                52)                                                                                                       

                                               Program for Chief                                                                                         Management
                                                Information                                                                                               Office

                                                Officer(Class                                                                                             
                                                46), Office of                                                                                            
                                                the Civil                                                                                                 

                                                Service                                                                                                   
                                                Commission                                                                                                
  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ---------- ----------------------- --------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                     
                  (year)                                        Share     Relationship   experiences                                                 
                                                                holding   among          in the 5                                                    
                                                                          Executives     preceding                                                   
                                                                                         years                                                       

                                                                                         Period        Position              Function/Company/Type   
                                                                                                                             of Business             

                                               Executive                                2011 –                  Deputy                            Financial
                                                Development                              Present                                                     Institutions
                                                Program                                                                                              

                                                (EDP) Class 66,                                                   Chairman                           Development
                                                Kellogg School                                                                                       Fund (FIDF) 
                                                of                                                                                                   

                                                Management,                                                                                          
                                                Chicago                                                                                              
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ---------- ----------------------- --------------

[TABLE]

  --------------- -------- -------------------- ------------- --------- -------------- ------------- ---------- ----------- ----------------------- -------------
  Name/Position   Age      Education/Training                 % of      Family         Working                                                      
                  (year)                                      Share     Relationship   experiences                                                  
                                                              holding   among          in the 5                                                     
                                                                        Executives     preceding                                                    
                                                                                       years                                                        

                                                                                       Period        Position               Function/Company/Type   
                                                                                                                            of Business             

                           •                    Innovation                             2004 - 2010             Secretary                          The Office of
                                                for Economic                                                                                        National

                                                Development                                                     General                             Economic and
                                                (IFED),                                                                                             Social
                                                Harvard                                                                                             

                                                Kennedy                                                                                             Development
                                                School                                                                                              Board

                                                                                       2004 – 2010             Committee                          The Board of
                                                                                                                                                    Investment

                                                                                       2006 - 2008             Member                             The National
                                                                                                                                                    Legislative

                                                                                                                                                    Assembly

                                                                                                                                                    

                                                                                                                                                    

                                                                                                                                                    

                                                                                                                                                    

                                                                                                                                                    

                                                                                                                                                    
  --------------- -------- -------------------- ------------- --------- -------------- ------------- ---------- ----------- ----------------------- -------------

  --------------- -------- -------------------- ------------------ --------- -------------- --------------- --- ---------- ------------ ----------------------- ---------------
  Name/Position   Age      Education/Training                      % of      Family         Working                                                             
                  (year)                                           Share     Relationship   experiences in                                                      
                                                                   holding   among          the 5 preceding                                                     
                                                                             Executives     years                                                               

                                                                                            Period              Position                Function/Company/Type   
                                                                                                                                        of Business             

  (8) Mr.         63       Education                               None      None           Other listed                                                        
  Chaikasem                                                                                 companies                                                           
  Nitisiri                                                                                                                                                      

  - Independent            •                    Honorary Doctorate                          2008 - Present: •              Director     •                       Thaioil Plc.
  Director                                      Degree of                                                                                                       

  - Member of the                               Laws, Ramkhamhaeng                          2008 - 2011     •              Director     •                       PTT Plc.
  Audit                                         University                                                                                                      

  Committee and            •                    Honorary Doctorate                          2007 - 2010     •              Director     •                       Thai Airways
                                                Degree of                                                                                                       International

  - Member of the                               Laws, North-Chiang                                                                                              Plc.
                                                Mai University                                                                                                  

  Nominating               •                    LL.M. Columbia                                                                                                  
  Committee                                     University, U.S.A.                                                                                              

                           •                    Thai                                                                                                            
                                                Barrister-at-Law                                                                                                

                           •                    LL.B. (Honours)                                                                                                 
                                                Chulalongkorn                                                                                                   

                                                University                                                                                                      

                           Training of Thai                                                                                                                     
                           Institute of                                                                                                                         

                           Directors                                                                                                                            
                           Association                                                                                                                          

                           •                    Directors                                   Other companies                                                     
                                                Certification                                                                                                   
                                                Program                                                                                                         

                                                (DCP) Class 8/2001                          None                                                                

                           •                    The Role of the                             Other                                                               
                                                Chairman                                    organizations                                                       

                                                Program (RCP)                               2009 - Present: •              Senior       •                       Office of the
                                                Class 16/2007                                                              Public                               Attorney

                           •                    Financial                                                                  Prosecutor                           General
                                                Statements for                                                                                                  

                                                Directors (FSD)                                                            (Advisor To                          
                                                Class 5/2009                                                               The                                  

                                                                                                                           Attorney                             
                                                                                                                           General)                             
  --------------- -------- -------------------- ------------------ --------- -------------- --------------- --- ---------- ------------ ----------------------- ---------------

  --------------- -------- -------------------- -------------- --------------- --------- -------------- ------------- ---------- --- ----------- ----------------------- ------------
  Name/Position   Age      Education/Training                                  % of      Family         Working                                                          
                  (year)                                                       Share     Relationship   experiences                                                      
                                                                               holding   among          in the 5                                                         
                                                                                         Executives     preceding                                                        
                                                                                                        years                                                            

                                                                                                        Period        Position                   Function/Company/Type   
                                                                                                                                                 of Business             

                           Other Training                                                               2008 -                   •   Director,   •                       Government
                                                                                                        Present                                                          Housing

                           •                                   Certificate in                                                        Executive                           Bank
                                                               International                                                         Board                               

                                                               Procurement,                                                          Chairman                            
                                                               Georgetown                                                                                                

                                                               University,                              2007 -                   •   Member      •                       Nation
                                                               U.S.A.                                   Present                                                          University
                                                                                                                                                                         Board

                           •                    Certificate,                                            2006 -                   •   Member      •                       Saint John
                                                National                                                Present                                                          University
                                                Defense                                                                                                                  

                                                               College, Class                                                                                            Board
                                                               38                                                                                                        

                           •                                   Certificate,                             2003 -        •              Member      •                       Council of
                                                               Polities and                             Present                                                          State

                                                               Governance in                                                                                             Committee
                                                               Democratic                                                                                                

                                                               Systems for                              2007 - 2009   •              Attorney    •                       Office of
                                                               Executives                                                            General                             the Attorney

                                                               Course Class                                                                                              General
                                                               9/2006                                                                                                    

                           •                                   Capital Market                           2003 - 2007   •              Deputy      •                       Office of
                                                               Academy Leader                                                        Attorney                            the Attorney

                                                               Program Class                                                         General                             General
                                                               5/2007                                                                                                    

                           •                                   Public Director                                                                                           
                                                               Certification                                                                                             

                                                               Program, Public                                                                                           
                                                               Director                                                                                                  
                                                               Institute                                                                                                 

                                                               (PDI) Class                                                                                               
                                                               6/2010 King                                                                                               

                                                               Prajadhipok’s                                                                                             
                                                               Institute                                                                                                 
  --------------- -------- -------------------- -------------- --------------- --------- -------------- ------------- ---------- --- ----------- ----------------------- ------------

[TABLE]

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ---------- ----------------------- ---------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                     
                  (year)                                        Share     Relationship   experiences                                                 
                                                                holding   among          in the 5                                                    
                                                                          Executives     preceding                                                   
                                                                                         years                                                       

                                                                                         Period        Position              Function/Company/Type   
                                                                                                                             of Business             

                           •                    National                                 2008 - 2011   •          Member     •                       King
                                                Security and                                                                                         Prajadhipok's
                                                International                                                                                        Institute

                                                Security,                                                                                            Council
                                                Harvard                                                                                              
                                                University, USA                                                                                      

                           •                    Senior Managers                          2007 - 2008   •          Director   •                       Industrial
                                                in Government,                                                                                       Estate
                                                                                                                                                     Authority of

                                                Harvard                                                                                              Thailand
                                                University, USA                                                                                      
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ---------- ----------------------- ---------------

  ---------------- -------- -------------------- --------------- ----------- -------------- --------------- ---------- ----------- ----------------------- -------------
  Name/Position    Age      Education/Training                   % of Share  Family         Working                                                        
                   (year)                                        holding     Relationship   experiences in                                                 
                                                                             among          the 5 preceding                                                
                                                                             Executives     years                                                          

                                                                                            Period          Position               Function/Company/Type   
                                                                                                                                   of Business             

  (10) Mr. Krairit 56       Education                            Spouse:     None           Other listed                                                   
                                                                                            companies                                                      

  Euchukanonchai            •                    MBA (Banking    10,000                     2011 - Present  •          Director    •                       PTT Public
                                                 and Finance),   Shares                                                                                    Company

  - Independent                                  North Texas     Total:                                                                                    Limited
  Director                                       State                                                                                                     
                                                 University,                                                                                               

  - Member of the                                U.S.A.          10,000                     2006 - Present  •          Chairman    •                       Krung Thai
  Corporate                                                      Shares                                                                                    Asset

  Governance                •                    Bachelor of     (0.0003%)                                                                                 Management
  Committee                                      Science,                                                                                                  Public

  - Director from                                Chulalongkorn                                                                                             Company
  private                                        University                                                                                                Limited

  sector                    Training of Thai                                                2001 - 2011     •          Director    •                       Siam
                            Institute of                                                                                                                   Commercial
                                                                                                                                                           New York

                            Directors                                                                                                                      Life
                            Association                                                                                                                    Insurance
                                                                                                                                                           Public

                            •                    Director                                                                                                  Company
                                                 Certification                                                                                             Limited
                                                 Program                                                                                                   

                                                 (DCP) 59/ 2005                             Other companies                                                

                                                                                            None                                                           

                                                                                            Other                                                          
                                                                                            organizations                                                  

                                                                                            2008 - 2011     •          Director    •                       Office of
                                                                                                                                                           Small and
                                                                                                                                                           Medium
                                                                                                                                                           Enterprises
                                                                                                                                                           Promotion
                                                                                                                                                           (OSMEP)
  ---------------- -------- -------------------- --------------- ----------- -------------- --------------- ---------- ----------- ----------------------- -------------

  --------------- -------- -------------------- ------------- --------------- --------- -------------- ------------- ---------- ------------ ----------------------- --- ----------
  Name/Position   Age      Education/Training                                 % of      Family         Working                                                           
                  (year)                                                      Share     Relationship   experiences                                                       
                                                                              holding   among          in the 5                                                          
                                                                                        Executives     preceding                                                         
                                                                                                       years                                                             

                                                                                                       Period        Position                Function/Company/Type       
                                                                                                                                             of Business                 

  (11) Mr. Pailin 55       Education                                          None      None           Other listed                                                      
                                                                                                       companies                                                         

  Chuchottaworn            •                                  Ph.D. of                                 Sep. 2011 -   •          President                            •   PTT Plc.
                                                              Engineering                                                       and                                      
                                                              (Chemical                                                                                                  

  - Director                                                  Engineering)                             Present                  Chief                                    
                                                              Tokyo                                                             Executive                                
                                                              Institution of                                                                                             

  - Member of the                                             Technology,                                                       Officer                                  
                                                              Japan                                                                                                      

  Nominating               •                                  Master of                                2009 -        •          Director and                         •   IRPC Plc.
  Committee                                                   Engineering                              Present                                                           
                                                              (Chemical                                                                                                  

  - Member of the                                             Engineering)                                                      Secretary to                             
                                                              Tokyo                                                                                                      
                                                              Institution of                                                                                             

  Remuneration                                                Technology,                                                       the Board                                
  Committee                                                   Japan                                                                                                      

                           •                                  Bachelor of                              June 2011 -   •          Chief                                •   IRPC Plc.
                                                              Engineering                                                       Operations                               

                                                              (Chemical                                Sep. 2011                Officer,                                 
                                                              Engineering)                                                      Upstream                                 
                                                              (Hons.),                                                                                                   

                                                              Chulalongkorn                                                     Petroleum                                
                                                              University                                                        and                                      

                           Training of Thai                                                                                     Gas Business                             
                           Institute of                                                                                         Group,                                   
                           Directors                                                                                            Acting                                   
                           Association                                                                                                                                   

                           •                                  Director                                                          Chief                                    
                                                              Certification                                                     Executive                                
                                                              Program (DCP)                                                     Officer,                                 
                                                              51/2004                                                                                                    

                           •                                  Director                                 2009 – May    •          Senior                               •   IRPC Plc.
                                                              Accreditation                                                     Executive                                
                                                              Program                                                                                                    

                                                              (DAP) 24/2004                            2011                     Vice                                     
                                                                                                                                President,                               

                           •                    Finance for                                                                     PTT, working                             
                                                Non-Finance                                                                     as                                       
                                                Director                                                                                                                 

                                                (FND) 14/2004                                                                   Chief                                    
                                                                                                                                Executive                                

                                                                                                                                Officer                                  

                                                                                                                                                                         

                                                                                                                                                                         
  --------------- -------- -------------------- ------------- --------------- --------- -------------- ------------- ---------- ------------ ----------------------- --- ----------

  --------------- -------- -------------------- ---------------- --------- -------------- ------------- ---------- ---------------- ----------------------- -----------
  Name/Position   Age      Education/Training                    % of      Family         Working                                                           
                  (year)                                         Share     Relationship   experiences                                                       
                                                                 holding   among          in the 5                                                          
                                                                           Executives     preceding                                                         
                                                                                          years                                                             

                                                                                          Period        Position                    Function/Company/Type   
                                                                                                                                    of Business             

                           Other Training                                                 Other                                                             
                                                                                          companies                                                         

                           •                    PTT Executive                             May 2011 -    •          Chairman         •                       PTT Asahi
                                                Leadership                                                                                                  Chemical
                                                Program, GE                                                                                                 

                                                Crotonville,                              Sep 2011                                                          Co., Ltd.
                                                U.S.A.                                                                                                      

                           •                    NIDA Executive                            2006 – May    •          Director         •                       PTT Asahi
                                                Leadership                                                                                                  Chemical
                                                Program                                                                                                     

                                                2007, Wharton                             2011                                                              Co., Ltd.
                                                University of                                                                                               

                                                Pennsylvania,                             2008 - 2009   •          Senior Executive •                       PTT Asahi
                                                U.S.A.                                                                                                      Chemical

                           •                    Industrial                                                         Vice President,                          Co., Ltd.
                                                Liaison Program                                                                                             
                                                (ILP) 2005,                                                                                                 

                                                Massachusetts                                                      Petrochemicals &                         
                                                Institute                                                                                                   
                                                Technology,                                                                                                 

                                                U.S.A.                                                             Refining                                 
                                                                                                                   Business                                 

                           •                    Top Executive                                                      Unit, PTT,                               
                                                Program in                                                         working                                  
                                                Commerce                                                                                                    

                                                and Trade                                                          as President                             
                                                (TEPCOT) Year 1,                                                                                            
                                                University                                                                                                  

                                                of the Thai                               2006 - 2008   •          Executive Vice   •                       PTT Asahi
                                                Chamber of                                                                                                  Chemical
                                                Commerce                                                                                                    

                           •                    Capital Market                                                     President,                               Co., Ltd.
                                                Academy                                                                                                     

                                                Leadership                                                         Petrochemicals &                         
                                                Program (Class                                                                                              
                                                8),                                                                                                         

                                                Capital Market                                                     Refining                                 
                                                Academy                                                            Business                                 

                           •                    The Joint                                                          Unit, PTT,                               
                                                State - Private                                                    working                                  
                                                Sector Course,                                                                                              

                                                National Defense                                                   as President                             
                                                College, (Class                                                                                             
                                                of 22nd)                                                                                                    

                                                                                          June 2011 –   •          Chairman         •                       PTT Polymer
                                                                                                                                                            Marketing

                                                                                          Sep 2011                                                          Co., Ltd.
  --------------- -------- -------------------- ---------------- --------- -------------- ------------- ---------- ---------------- ----------------------- -----------

  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ---------------- ----------------------- -----------
  Name/Position   Age      Education/Training                     % of      Family         Working                                                             
                  (year)                                          Share     Relationship   experiences in                                                      
                                                                  holding   among          the 5 preceding                                                     
                                                                            Executives     years                                                               

                                                                                           Period          Position                    Function/Company/Type   
                                                                                                                                       of Business             

                           •                    The 7^(th)                                 2009 – June     •          Director,        •                       PTT Polymer
                                                “Corporate                                                                                                     Marketing
                                                Governance for                                                                                                 

                                                Directors and Top                          2011                                                                Co., Ltd.
                                                Executives of                                                                                                  
                                                State                                                                                                          

                                                Enterprises and                            2008 - 2009     •          Senior Executive •                       PTT Polymer
                                                Public                                                                                                         Marketing
                                                Organizations”,                                                                                                

                                                Year 2011 King                                                        Vice President,                          Co., Ltd.
                                                Prajadhipok’s                                                                                                  
                                                Institute                                                                                                      

                                                                                                                      Petrochemicals &                         

                                                                                                                      Refining                                 
                                                                                                                      Business                                 

                                                                                                                      Unit, PTT,                               
                                                                                                                      working                                  

                                                                                                                      as President                             

                                                                                           Other                                                               
                                                                                           organizations                                                       

                                                                                           None                                                                
  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ---------------- ----------------------- -----------

  --------------- -------- -------------------- ---------- ---------------- --------- -------------- --------------- ---------- -- ---------- -- ----------------------- -- ------------
  Name/Position   Age      Education/Training                               % of      Family         Working                                                                
                  (year)                                                    Share     Relationship   experiences in                                                         
                                                                            holding   among          the 5 preceding                                                        
                                                                                      Executives     years                                                                  

                                                                                                     Period          Position                    Function/Company/Type      
                                                                                                                                                 of Business                

  (12) Ms.        63       Education                                        None      None           Other listed                                                           
  Varanuj                                                                                            companies                                                              

  Hongsaprabhas            •                               M.S. (Financial                           2010 - 2011     •             Director      •                          TOT Plc.
                                                           Management),                                                                                                     
                                                           North                                                                                                            

  Independent                                              Carolina State                            Other companies                                                        
  Director                                                 University                                                                                                       

                           •                               B.A.                                      2009 - 2010                  Director                                ACT Mobile
                                                           (Economics),                                                                                                     Co., Ltd
                                                           North Carolina                                                                                                   
                                                           State                                                                                                            

                                                           University                                Other                                                                  
                                                                                                     organizations                                                          

                           Training of Thai                                                          2006 – 2009     •             Director      •                          Port
                           Institute of                                                                                                                                     Authority of
                           Directors                                                                                                                                        Thailand

                           Association                                                                                                                                      

                           •                               Director                                                                                                         
                                                           Certification                                                                                                    
                                                           Program (DCP)                                                                                                    

                                                           84/2007                                                                                                          

                           •                    The Role                                                                                                                    
                                                of                                                                                                                          
                                                Chairman                                                                                                                    
                                                (RCP)                                                                                                                       
                                                23/2010                                                                                                                     

                           •                               Audit Committee                                                                                                  
                                                           Program (ACP)                                                                                                    

                                                           22/2008                                                                                                          
  --------------- -------- -------------------- ---------- ---------------- --------- -------------- --------------- ---------- -- ---------- -- ----------------------- -- ------------

[TABLE]

  --------------- -------- -------------------- --------- ----------------- --------- -------------- --------------- ---------- --- ------------- ------ --- ----------------------- -- ------------- -------------
  Name/Position   Age      Education/Training                               % of      Family         Working                                                                                          
                  (year)                                                    Share     Relationship   experiences in                                                                                   
                                                                            holding   among          the 5 preceding                                                                                  
                                                                                      Executives     years                                                                                            

                                                                                                     Period          Position                                Function/Company/Type                    
                                                                                                                                                             of Business                              

  (14) Mr. Manas  55       Education                                        None      None           Other listed                                                                                     
                                                                                                     companies                                                                                        

  Jamveha                  •                              Master of                                  None                                                                                             
                                                          Business                                                                                                                                    
                                                          Administration,                                                                                                                             

  Independent                                             Sukhothai                                  Other companies                                                                                  
  Director                                                Thammathirat Open                                                                                                                           

                                                          University                                 None                                                                                             

                           •                              Master of                                  Other                                                                                            
                                                          Political                                  organizations                                                                                    
                                                          Science,                                                                                                                                    
                                                          Thammasat                                                                                                                                   

                                                          University                                 2011 - Present  •              Deputy               •                              Ministry of   
                                                                                                                                                                                        Finance       

                           •                              Bachelor of Law,                                                          Permanent                                                         
                                                          Thammasat                                                                                                                                   
                                                          University                                                                                                                                  

                           Training of Thai                                                                                         Secretary                                                         
                           Institute of                                                                                                                                                               
                           Directors                                                                                                                                                                  
                           Association                                                                                                                                                                

                           •                              Directors                                  2010 - 2011                •   Inspector            •                              Ministry of   
                                                          Certification                                                                                                                 Finance       
                                                          Program (DCP)                                                                                                                               

                                                71/2008                                                                             General                                                           

                           Other Training                                                            2008 - 2010     •              Advisor on           •                                            Comptroller
                                                                                                                                                                                                      General’s

                           •                              Certificate on                                                            Fiscal System                                       Department    
                                                          National Defense                                                                                                                            
                                                          (Class 50)                                                                                                                                  

                           •                              Certificate from                                                          Development                                                       
                                                          Public Director                                                                                                                             
                                                          Institute                                                                                                                                   

                                                          (PDI 1)                                    2005 - 2008     •              Deputy               •                              Comptroller   
                                                                                                                                                                                        General’s     

                           •                              Certificate on                                                            Comptroller                                         Department    
                                                          Top Executive                                                                                                                               
                                                          Political                                                                                                                                   

                           •                              Top Executive                                                             General                                                           
                                                          Program                                                                                                                                     

                           •                              Executive                                                                                                                                   
                                                          Development                                                                                                                                 
                                                          Program,                                                                                                                                    

                                                          Kellogg School of                                                                                                                           
                                                          Management,                                                                                                                                 

                                                          Northwestern                                                                                                                                
                                                          University,                                                                                                                                 
                                                          U.S.A.                                                                                                                                      

                           •                              Middle Management                                                                                                                           
                                                          Professional,                                                                                                                               

                                                          Revenue Canada                                                                                                                              
  --------------- -------- -------------------- --------- ----------------- --------- -------------- --------------- ---------- --- ------------- ------ --- ----------------------- -- ------------- -------------

[TABLE]

+--------+---+---+-------------+-----+-----+------+-------+-------------+
| N      | A | E |             | %   | Fam | Wor  |       |             |
| ame/Po | g | d |             | of  | ily | king |       |             |
| sition | e | u |             | Sh  | Rel | exp  |       |             |
|        | ( | c |             | are | ati | erie |       |             |
|        | y | a |             | h   | ons | nces |       |             |
|        | e | t |             | old | hip | in   |       |             |
|        | a | i |             | ing | am  | the  |       |             |
|        | r | o |             |     | ong | 5    |       |             |
|        | ) | n |             |     | E   | p    |       |             |
|        |   | / |             |     | xec | rece |       |             |
|        |   | T |             |     | uti | ding |       |             |
|        |   | r |             |     | ves | y    |       |             |
|        |   | a |             |     |     | ears |       |             |
|        |   | i |             |     |     |      |       |             |
|        |   | n |             |     |     |      |       |             |
|        |   | i |             |     |     |      |       |             |
|        |   | n |             |     |     |      |       |             |
|        |   | g |             |     |     |      |       |             |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     | Pe   | Pos   | Function/C  |
|        |   |   |             |     |     | riod | ition | ompany/Type |
|        |   |   |             |     |     |      |       | of Business |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |  |             |     |     | 20   | -     | -           |
|        |   | C |             |     |     | 04 - |   Dir |    Alliance |
|        |   | e |             |     |     | 2009 | ector |             |
|        |   | r |             |     |     |      |       |    Refining |
|        |   | t |             |     |     |      |       |     Co.,    |
|        |   | i |             |     |     |      |       |     Ltd.    |
|        |   | f |             |     |     |      |       |             |
|        |   | i |             |     |     |      |       |             |
|        |   | c |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | t |             |     |     |      |       |             |
|        |   | e |             |     |     |      |       |             |
|        |   | o |             |     |     |      |       |             |
|        |   | f |             |     |     |      |       |             |
|        |   | L |             |     |     |      |       |             |
|        |   | e |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | d |             |     |     |      |       |             |
|        |   | e |             |     |     |      |       |             |
|        |   | r |             |     |     |      |       |             |
|        |   | s |             |     |     |      |       |             |
|        |   | h |             |     |     |      |       |             |
|        |   | i |             |     |     |      |       |             |
|        |   | p |             |     |     |      |       |             |
|        |   | P |             |     |     |      |       |             |
|        |   | r |             |     |     |      |       |             |
|        |   | o |             |     |     |      |       |             |
|        |   | g |             |     |     |      |       |             |
|        |   | r |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | m |             |     |     |      |       |             |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   | ( |             |     |     | 20   | -     | -   Star    |
|        |   | C |             |     |     | 04 - |   Dir |             |
|        |   | l |             |     |     | 2009 | ector |   Petroleum |
|        |   | a |             |     |     |      |       |             |
|        |   | s |             |     |     |      |       |    Refining |
|        |   | s |             |     |     |      |       |     Co.,    |
|        |   | o |             |     |     |      |       |     Ltd.    |
|        |   | f |             |     |     |      |       |             |
|        |   |   |             |     |     |      |       |             |
|        |   | 1 |             |     |     |      |       |             |
|        |   | ) |             |     |     |      |       |             |
|        |   | C |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | p |             |     |     |      |       |             |
|        |   | i |             |     |     |      |       |             |
|        |   | t |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | l |             |     |     |      |       |             |
|        |   | M |             |     |     |      |       |             |
|        |   | a |             |     |     |      |       |             |
|        |   | r |             |     |     |      |       |             |
|        |   | k |             |     |     |      |       |             |
|        |   | e |             |     |     |      |       |             |
|        |   | t |             |     |     |      |       |             |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   | A |             |     |     | 20   | -     | -   PTT     |
|        |   | c |             |     |     | 04 - |   Dir |     P       |
|        |   | a |             |     |     | 2009 | ector | olyethylene |
|        |   | d |             |     |     |      |       |     Co.,    |
|        |   | e |             |     |     |      |       |     Ltd.    |
|        |   | m |             |     |     |      |       |             |
|        |   | y |             |     |     |      |       |             |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     | 20   | -     | -   PTT     |
|        |   |   |             |     |     | 00 - |   Dir |     Natural |
|        |   |   |             |     |     | 2009 | ector |     Gas     |
|        |   |   |             |     |     |      |       |     D       |
|        |   |   |             |     |     |      |       | istribution |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     |      |       | Co., Ltd.   |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     | O    |       |             |
|        |   |   |             |     |     | ther |       |             |
|        |   |   |             |     |     | o    |       |             |
|        |   |   |             |     |     | rgan |       |             |
|        |   |   |             |     |     | izat |       |             |
|        |   |   |             |     |     | ions |       |             |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     | 20   | -     | -   King    |
|        |   |   |             |     |     | 09 - |    Co |             |
|        |   |   |             |     |     | Pre  | uncil |   Mongkut’s |
|        |   |   |             |     |     | sent |       |             |
|        |   |   |             |     |     |      |       |   Institute |
|        |   |   |             |     |     |      |       |     of      |
+--------+---+---+-------------+-----+-----+------+-------+-------------+
|        |   |   |             |     |     |      | Comm  |             |
|        |   |   |             |     |     |      | ittee |  Technology |
|        |   |   |             |     |     |      |       |             |
|        |   |   |             |     |     |      |       |  Ladkrabang |
|        |   |   |             |     |     |      |       |   Council   |
+--------+---+---+-------------+-----+-----+------+-------+-------------+

Director who retired in year 2011

  --------------- -------- -------------------- --------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                        
                  (year)                                        Share     Relationship   experiences in                                                 
                                                                holding   among          the 5 preceding                                                
                                                                          Executives     years                                                          

                                                                                         Period          Position               Function/Company/Type   
                                                                                                                                of Business             

  (1) Mr.         63       Education/                           None      None           Other listed                                                   
  Vudhibhandhu                                                                           companies                                                      

  Vichairatana             •                    Master of Arts                           2002 - 2008     •          Director    •                       Airports of
                                                in Economics ,                                                                                          Thailand Plc.
                                                University of                                                                                           
                                                Arkansas,                                                                                               
                                                U.S.A.                                                                                                  

                           •                    Bachelor of                              2004 - 2007     •          Director    •                       Thai Military
                                                Arts in                                                                                                 Bank Plc.
                                                Economics,                                                                                              

                                                Stephen F.                               2004 - 2006     •          Director    •                       Thai Airways
                                                Austin State                                                                                            International
                                                University,                                                                                             

                                                U.S.A.                                                                                                  Plc.

                           Training of Thai                                              Other companies                                                
                           Institute of                                                                                                                 
                           Directors                                                                                                                    

                           Association                                                                                                                  

                           •                    Director                                 None                                                           
                                                Certification                                                                                           
                                                Program                                                                                                 

                                                (DCP)113/2009                            Other                                                          
                                                                                         organizations                                                  

                           •                    Director                                 2009 - Present  •          Chairman    •                       Princess Maha
                                                Accreditation                                                                                           Chakri
                                                Program                                                                                                 

                                                (DAP)49/2005                                                        of                                  Sirindhorn
                                                                                                                    Executive                           Anthropology

                           •                    The Role of                                                         Board                               Centre
                                                Chairman                                                                                                
                                                Program                                                                                                 

                                                (RCP)3/2001                              2003 - 2008     •          Budget      •                       Bureau of the
                                                                                                                                                        Budget

                           •                    2005 Survey on                                                      Director                            
                                                Corporate                                                                                               

                                                Governance of                            2001 - 2008     •          Director    •                       Provincial
                                                Listed                                                                                                  Electricity
                                                Companies                                                                                               

                           •                    Successful                                                                                              Authority
                                                Formulation and                                                                                         

                                                Execution the                                                                                           
                                                Strategy (SFE)                                                                                          

                                                2/2008                                                                                                  
  --------------- -------- -------------------- --------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------

  --------------- -------- -------------------- --------------- --------- -------------- ------------- -- ---------- ----- ----------------------- -- -----------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                      
                  (year)                                        Share     Relationship   experiences                                                  
                                                                holding   among          in the 5                                                     
                                                                          Executives     preceding                                                    
                                                                                         years                                                        

                                                                                         Period           Position         Function/Company/Type      
                                                                                                                           of Business                

                           Other Training                                                                                                             

                           •                    Corporate                                                                                             
                                                Governance                                                                                            
                                                Program                                                                                               

                                                for Director                                                                                          
                                                and Senior                                                                                            

                                                Management of                                                                                         

                                                State                                                                                                 
                                                Enterprises and                                                                                       
                                                Public                                                                                                

                                                Organizations                                                                                         
                                                (Special                                                                                              
                                                Class),                                                                                               

                                                Ministry of                                                                                           
                                                Finance                                                                                               

                           •                    Senior                                                                                                
                                                Executive                                                                                             
                                                Program (Class                                                                                        

                                                15) Office of                                                                                         
                                                the Civil                                                                                             
                                                Service                                                                                               

                                                Commission                                                                                            
                                                (OCSC)                                                                                                

                           •                    National                                                                                              
                                                Defence College                                                                                       
                                                (Class                                                                                                

                                                No. 38)                                                                                               
  --------------- -------- -------------------- --------------- --------- -------------- ------------- -- ---------- ----- ----------------------- -- -----------

  --------------- -------- -------------------- ------------------------ ----------- -------------- ------------- ---------- ---------- ----------- ----------------------- --------- ---------------- -----------
  Name/Position   Age      Education/Training                            % of Share  Family         Working                                                                                            
                  (year)                                                 holding     Relationship   experiences                                                                                        
                                                                                     among          in the 5                                                                                           
                                                                                     Executives     preceding                                                                                          
                                                                                                    years                                                                                              

                                                                                                    Period        Position                          Function/Company/Type                              
                                                                                                                                                    of Business                                        

  (2) Mr.         62       Education                                     222,000     None           Other listed                                                                                       
  Chitrapongse                                                                                      companies                                                                                          

  Kwangsukstith            •                    Doctorate Degree in      Shares                     2011 -        •                     Director    •                                                  PTT Plc.
                                                Industrial                                          Present                                                                                            

                                                Engineering, Lamar       Spouse:                    2009 - 2011   •                     Director    •                                                  IRPC Plc.
                                                University, U.S.A.                                                                                                                                     

                           •                    Master Degree in         165,000                    2008 - 2009   •                     Director    •                                                  PTT
                                                Industrial Engineering,                                                                                                                                Aromatics
                                                                                                                                                                                                       and
                                                                                                                                                                                                       Refining

                                                Lamar University, U.S.A. Shares                                                                                                                        Plc.

                           •                    Bachelor of              Total:                     2003 - 2009   •                     Chief       •                                                  PTT Plc.
                                                Engineering(Mechanical                                                                  Operating                                                      

                                                Engineering),            387,000                                                        Officer,                                                       
                                                Chulalongkorn University                                                                Upstream                                                       

                           Training of Thai                              Shares                                                         Petroleum                                                      
                           Institute of                                                                                                 and                                                            
                           Directors                                                                                                                                                                   

                           Association                                   (0.0117%)                                                      Gas                                                            
                                                                                                                                        Business                                                       

                           •                    Director Certification                                                                  Group                                                          
                                                Program (DCP)                                                                                                                                          

                                                42/2004                                             Other                                                                                              
                                                                                                    companies                                                                                          

                           •                    Finance for Non-Finance                             2009 -        •          Chairman               •                                 PTT              
                                                Director (FND)                                      Present                                                                           International    
                                                                                                                                                                                      Co., Ltd.        

                                                9/2004                                              2010 -        •          Chairman               •                                 PTT FLNG Ltd.    
                                                                                                    Present                                                                                            

                           •                    Role of the Compensation                            2009 - 2011   •                     Acting      •                                 PTT              
                                                Committee                                                                               President                                     International    
                                                                                                                                                                                      Co.,Ltd.         

                                                (RCC) 10/2010                                       2009 –        •                     Chairman    •                                 Sakari Resources 
                                                                                                    Present                                                                           Co., Ltd.        

                           •                    Non-Executive Director :                            2009 - 2011   •                     Chairman    •                                 PTT Green Energy 
                                                Role and                                                                                                                              Pte. Ltd..       

                                                Expectations of                                     2004 - 2011   •                     Director    •                                 Independent      
                                                Corporate Governance                                                                                                                  Power            

                           Other Training                                                                                                                                             (Thailand)Co.,   
                                                                                                                                                                                      Ltd.             

                           •                    Stanford Executive                                  2004 - 2011   •          Chairman               •                       PTT                        
                                                Program, Stanford                                                                                                           Utility                    
                                                                                                                                                                            Co., Ltd.                  

                                                University, U.S.A                                   2004 - 2010   •          Chairman               •                       PTT LNG                    
                                                                                                                                                                            Co., Ltd.                  

                           •                    National Defence College                            2004 – 2010   •          Chairman               •                       Energy                     
                                                (Class No. 12)                                                                                                              Complex                    
                                                                                                                                                                            Co., Ltd.                  

                                                                                                                                                                                                       
  --------------- -------- -------------------- ------------------------ ----------- -------------- ------------- ---------- ---------- ----------- ----------------------- --------- ---------------- -----------

  --------------- -------- -------------------- ---------------- --------- ---- -------------- --------------- --- ---------- ----------- ----------------------- --------------
  Name/Position   Age      Education/Training                    % of           Family         Working                                                            
                  (year)                                         Share          Relationship   experiences in                                                     
                                                                 holding        among          the 5 preceding                                                    
                                                                                Executives     years                                                              

                                                                                               Period              Position               Function/Company/Type   
                                                                                                                                          of Business             

                                                                                               2003 - 2010     •              Chairman    •                       PTT Natural
                                                                                                                                                                  Gas

                                                                                                                                                                  Distribution
                                                                                                                                                                  Co., Ltd.

                                                                                               2004 - 2009     •              Director    •                       Ratchaburi
                                                                                                                                                                  Power Co. Ltd.

                                                                                               Other                                                              
                                                                                               organizations                                                      

                                                                                               2003 - Present  •              President   •                       Thailand
                                                                                                                                                                  Association
                                                                                                                                                                  for

                                                                                                                                                                  Natural Gas
                                                                                                                                                                  Vehicles
  --------------- -------- -------------------- ---------------- --------- ---- -------------- --------------- --- ---------- ----------- ----------------------- --------------

[TABLE]

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------- ----------------------- -------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                  
                  (year)                                        Share     Relationship   experiences                                              
                                                                holding   among          in the 5                                                 
                                                                          Executives     preceding                                                
                                                                                         years                                                    

                                                                                         Period        Position           Function/Company/Type   
                                                                                                                          of Business             

                           •                    Audit Committee                                                                                   
                                                Program (ACP)                                                                                     

                                                17/2007                                                                                           

                           •                    Audit Committee                                                                                   
                                                : from 5 year-                                                                                    

                                                experiences to                                                                                    
                                                the highly                                                                                        
                                                effective                                                                                         

                                                thinking                                                                                          

                           •                    Audit                                                                                             
                                                Committee -                                                                                       
                                                Practices                                                                                         

                                                Concerning                                                                                        
                                                Manual of the                                                                                     
                                                Audit                                                                                             

                                                Committee of                                                                                      
                                                State                                                                                             
                                                Enterprises                                                                                       

                           •                    Independence of                                                                                   
                                                the Director                                                                                      

                                                Managing the                                                                                      
                                                Conflicts of                                                                                      
                                                Interest                                                                                          

                                                for the                                                                                           
                                                Independent                                                                                       
                                                Director                                                                                          

                           •                    2005 Survey on                                                                                    
                                                Corporate                                                                                         

                                                Governance of                                                                                     
                                                Listed                                                                                            
                                                Companies                                                                                         

                           •                    Board Failures                                                                                    
                                                and How to Fix                                                                                    
                                                it                                                                                                

                           •                    Understanding                                                                                     
                                                the Fundamental                                                                                   
                                                of                                                                                                

                                                Financial                                                                                         
                                                Statements                                                                                        
                                                Program                                                                                           

                                                (UFS) 1/2006                                                                                      

                           Other Training                                                                                                         

                           •                    Degree,                                                                                           
                                                National                                                                                          
                                                Defense                                                                                           

                                                College (Class                                                                                    
                                                No. 388)                                                                                          
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------- ----------------------- -------------

  --------------- -------- -------------------- ---------------- --------- -------------- ------------- ---------- ------- ----------------------- -------------
  Name/Position   Age      Education/Training                    % of      Family         Working                                                  
                  (year)                                         Share     Relationship   experiences                                              
                                                                 holding   among          in the 5                                                 
                                                                           Executives     preceding                                                
                                                                                          years                                                    

                                                                                          Period        Position           Function/Company/Type   
                                                                                                                           of Business             

                           •                    Certificate,                                                                                       
                                                Institute of                                                                                       

                                                Administration                                                                                     
                                                Development                                                                                        

                           •                    Certificate,                                                                                       
                                                Politics and                                                                                       

                                                Governance in                                                                                      
                                                Democratic                                                                                         

                                                Systems for                                                                                        
                                                Executives                                                                                         
                                                Course                                                                                             

                           •                    National Defense                                                                                   
                                                College                                                                                            

                                                (Class No. 38)                                                                                     

                           •                    Capital Market                                                                                     
                                                Academy Leader                                                                                     

                                                Program (Class                                                                                     
                                                5), Capital                                                                                        

                                                Market Academy                                                                                     

                           •                    Certificate,                                                                                       
                                                Harvard Business                                                                                   

                                                School, U.S.A.                                                                                     
  --------------- -------- -------------------- ---------------- --------- -------------- ------------- ---------- ------- ----------------------- -------------

  --------------- -------- -------------------- --------------- --------- -------------- --------------- -- ---------- ------------ ----------------------- -------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                            
                  (year)                                        Share     Relationship   experiences in                                                     
                                                                holding   among          the 5 preceding                                                    
                                                                          Executives     years                                                              

                                                                                         Period             Position                Function/Company/Type   
                                                                                                                                    of Business             

  (4)             54       Education                            None      None           Other listed                                                       
  M.R.Pongsvas                                                                           companies                                                          
  Svasti                                                                                                                                                    

                           •                    M.P.A. (Public                           2009 - Present     •          Audit        •                       IRPC Plc.
                                                Policy and                                                             Committee                            
                                                Management),                                                                                                

                                                Harvard                                  2006 - Present     •          Audit        •                       MFEC Plc.
                                                University,                                                            Committee                            
                                                U.S.A.                                                                                                      

                           •                    M.S.                                                                                                        
                                                (Industrial                                                                                                 
                                                Management),                                                                                                

                                                University of                            Other companies                                                    
                                                Central                                                                                                     
                                                Missouri,                                                                                                   
                                                U.S.A.                                                                                                      

                           •                    B. S. (Computer                          None                                                               
                                                Science),                                                                                                   
                                                Southeast                                                                                                   

                                                Missouri State                           Other                                                              
                                                University,                              organizations                                                      
                                                U.S.A.                                                                                                      

                           Training of Thai                                              2004 - Present     •          Associate    •                       Thammasat
                           Institute of                                                                                                                     Business
                           Directors                                                                                                                        

                           Association                                                                                 Professor,                           School

                           • Director                                                                                  Operations                           
                           Certification                                                                                                                    
                           Program                                                                                                                          

                           (DCP) Class of 44                                                                           Management                           

                           •                    Director                                 2011 - Present     •          Audit        •                       Deposit
                                                Accreditation                                                          Committee                            Protection
                                                Program                                                                                                     Agency

                                                (DAP)Class of                            2011 - Present     •          Director     •                       Industrial
                                                15                                                                                                          Estate
                                                                                                                                                            Authority

                           •                    Audit Committee                                                                                             of Thailand
                                                Program (ACP)                                                                                               

                                                Class of 5                               2011 - Present     •          Advisor      •                       Thailand
                                                                                                                                                            Board of

                           Other Training                                                                                                                   Investment

                           •                    Chief                                    2006 - 2010        •          Dean         •                       College of
                                                Information                                                                                                 Innovation,
                                                Officer Program                                                                                             

                           Class 9, Office of                                                                                                               Thammasat
                           the Civil Service                                                                                                                University

                                                Commission and                                                                                              
                                                NECTEC                                                                                                      

                                                                                                                                                            
  --------------- -------- -------------------- --------------- --------- -------------- --------------- -- ---------- ------------ ----------------------- -------------

  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------- ------------
  Name/Position   Age      Education/Training                     % of      Family         Working                                                                         
                  (year)                                          Share     Relationship   experiences in                                                                  
                                                                  holding   among          the 5 preceding                                                                 
                                                                            Executives     years                                                                           

                                                                                           Period          Position               Function/Company/Type                    
                                                                                                                                  of Business                              

  (5) Mr. Bhusana 57       Education                              None      None           Other listed                                                                    
  Premanode                                                                                companies                                                                       

                           •                    Doctorate Degree                           2010 - 2011     •          Director    •                       PTT Plc.         
                                                in                                                                                                                         

                                                Bioengineering,                            Other companies                                                                 
                                                Imperial                                                                                                                   

                                                College,                                   None                                                                            
                                                University of                                                                                                              
                                                London, UK                                                                                                                 

                           •                    Doctorate Degree                           Other                                                                           
                                                of                                         organizations                                                                   

                                                Business                                   Present         •          Visiting    •                                        Imperial
                                                Administration                                                        professor                                            College,
                                                                                                                                                                           University

                                                in Finance,                                                                                               of London, UK    
                                                Somerset                                                                                                                   

                                                University, UK                             2009 - 2011     •          Member      •                       Atoms for Peace  
                                                                                                                                                          Board            

                           •                    Master of                                  2009 - 2010     •          Member      •                       Designated Areas 
                                                Management,                                                                                               for              

                                                Sasin Graduate                                                                                            Sustainable      
                                                Institution of                                                                                            Tourism          

                                                Business                                                                                                  Administrative   
                                                Administration of                                                                                         Board            

                                                Chulalongkorn                                                                                                              
                                                University                                                                                                                 

                           Other Training                                                                                                                                  

                           •                    National Defence                                                                                                           
                                                College                                                                                                                    

                                                (Class No. 39)                                                                                                             
  --------------- -------- -------------------- ----------------- --------- -------------- --------------- ---------- ----------- ----------------------- ---------------- ------------

[TABLE]

  --------------- -------- -------------------- ----------------- --------- -------------- --------------- -- ---------- -- ---------- -- ----------------------- -------------
  Name/Position   Age      Education/Training                     % of      Family         Working                                                                
                  (year)                                          Share     Relationship   experiences in                                                         
                                                                  holding   among          the 5 preceding                                                        
                                                                            Executives     years                                                                  

                                                                                           Period             Position                    Function/Company/Type   
                                                                                                                                          of Business             

                           Other Training                                                  Other companies                                                        

                           •                    Capital Market                             2003 - 2011        •             Chairman      •                       Independent
                                                Academy                                                                                                           Power
                                                Leadership                                                                                                        

                                                Program (Class                                                                                                    (Thailand)
                                                3), Capital                                                                                                       Co., Ltd.
                                                Market                                                                                                            

                                                Academy                                    2003 - 2011        •             Director      •                       Thaioil Power
                                                                                                                                                                  Co., Ltd.

                           •                    National Defense                           2003 - Present     •             Chairman      •                       Thai Lube
                                                College (Class                                                                                                    Base Plc.
                                                No. 10)                                                                                                           

                           •                    Politics and                               Other                                                                  
                                                Government in                              organizations                                                          
                                                Democracy                                                                                                         

                                                for Executives                             None                                                                   
                                                (Class 6), King                                                                                                   

                                                Prajadhipok’s                                                                                                     
                                                Institute                                                                                                         

                           •                    Certificate in                                                                                                    
                                                Advance                                                                                                           
                                                Management                                                                                                        

                                                Program, Harvard                                                                                                  
                                                Business School,                                                                                                  

                                                U.S.A.                                                                                                            

                                                                                                                                                                  

                                                                                                                                                                  

                                                                                                                                                                  
  --------------- -------- -------------------- ----------------- --------- -------------- --------------- -- ---------- -- ---------- -- ----------------------- -------------

[TABLE]

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------ ----------------------- ------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                 
                  (year)                                        Share     Relationship   experiences                                             
                                                                holding   among          in the 5                                                
                                                                          Executives     preceding                                               
                                                                                         years                                                   

                                                                                         Period        Position          Function/Company/Type   
                                                                                                                         of Business             

                           •                    Top Executive                                                                                    
                                                Program in                                                                                       

                                                Commerce and                                                                                     
                                                Trade Class 2,                                                                                   

                                                University of                                                                                    
                                                Thai Chamber                                                                                     

                                                of Commerce                                                                                      

                           •                    Top Management                                                                                   
                                                Program Class                                                                                    

                                                33, Office of                                                                                    
                                                the Civil                                                                                        
                                                Service                                                                                          

                                                Commission                                                                                       

                           •                    National                                                                                         
                                                Defense Course                                                                                   
                                                for the                                                                                          

                                                Joint                                                                                            
                                                State-Private                                                                                    
                                                Sector Class                                                                                     

                                                16, National                                                                                     
                                                Defense College                                                                                  

                           •                    Politics and                                                                                     
                                                Governance in                                                                                    

                                                Democratic                                                                                       
                                                Systems for                                                                                      

                                                Executive                                                                                        
                                                Course Class                                                                                     
                                                11, King                                                                                         

                                                Prajadhipok’s                                                                                    
                                                Institute                                                                                        
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------ ----------------------- ------------

  --------------- -------- -------------------- ----------- ----------------- --------- -------------- ------------- ---------- -------------- ----------------------- --- ------ ----------
  Name/Position   Age      Education/Training                                 % of      Family         Working                                                                    
                  (year)                                                      Share     Relationship   experiences                                                                
                                                                              holding   among          in the 5                                                                   
                                                                                        Executives     preceding                                                                  
                                                                                                       years                                                                      

                                                                                                       Period        Position                  Function/Company/Type              
                                                                                                                                               of Business                        

  (8) Mr. Wichai  59       Education                                          None      None           Other listed                                                               
                                                                                                       companies                                                                  

  Pornkeratiwat            •                                Master’s in                                2010 -        •          Senior                                 •          PTT Plc.
                                                            Public                                     Present                  Executive                                         
                                                            Administration,                                                                                                       

                                                            National                                                            Vice                                              
                                                            Institute                                                           President,                                        
                                                            Development                                                                                                           

                                                            Administration                                                      Gas Business                                      

                           •                                Bachelor’s in                                                       Unit                                              
                                                            Engineering                                                                                                           

                                                            (Electrical                                2009 - 2010   •          Executive Vice                         •          PTT Plc.
                                                            Engineering),                                                                                                         
                                                            Khon                                                                                                                  

                                                            Kaen University                                                     President,                                        
                                                                                                                                Natural                                           

                           Other Training                                                                                       Gas Vehicle                                       

                           •                                Asean Executive                            2002 - 2008   •          Executive Vice                         •   PTT    
                                                            Program (AEP),                                                                                                 Plc.   

                                                            GE Management                                                       President,                                        
                                                                                                                                Project                                           

                                                            Development                                                         Management,                                       
                                                            Institute                                                                                                             

                           •                    Senior                                                                          Exploration,                                      
                                                Executive                                                                                                                         
                                                Program                                                                                                                           
                                                (SEP),                                                                                                                            

                                                Sasin                                                                           Production and                                    
                                                Graduate                                                                                                                          
                                                Institute                                                                                                                         

                           •                                NIDA Wharton                                                        Gas Business                                      
                                                            Executive                                                                                                             
                                                            Leaders,                                                                                                              

                                                            The Wharton                                                         Group,                                            
                                                            School University                                                                                                     
                                                            Of                                                                                                                    

                                                            Pennsylvania                               Other                                                                      
                                                                                                       companies                                                                  

                                                                                                       2010 -        •          Chairman       •                                  PTT LNG
                                                                                                       Present                                                                    Co., Ltd.

                                                                                                       2010 -        •          Acting         •                                  PTT FLNG
                                                                                                       Present                  Managing                                          Ltd.

                                                                                                                                Director                                          

                                                                                                       2008 - 2009   •          Acting         •                                  PTT LNG
                                                                                                                                Managing                                          Co., Ltd.
                                                                                                                                Director                                          
  --------------- -------- -------------------- ----------- ----------------- --------- -------------- ------------- ---------- -------------- ----------------------- --- ------ ----------

  --------------- -------- -------------------- --------------- --------- -------------- --------------- ---------- ------------------ ----------- ----------------------- ------------ -------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                                                        
                  (year)                                        Share     Relationship   experiences in                                                                                 
                                                                holding   among          the 5 preceding                                                                                
                                                                          Executives     years                                                                                          

                                                                                         Period          Position                                  Function/Company/Type                
                                                                                                                                                   of Business                          

  (9) Mr. Naris   56       Education                            None      None           Other listed                                                                                   
                                                                                         companies                                                                                      

  Chaiyasoot               •                    Ph.D.                                    2008 - 2011     •                             Acting      •                                    PTT Plc.
                                                Economics,                                                                             Chairman                                         
                                                University of                                                                                                                           

                                                Hawaii, U.S.A.                           2009 - 2011     •                             Director    •                                     Thaioil Plc.

                           •                    M.A. Economics                                                                                                                          
                                                (English                                                                                                                                
                                                Program),                                                                                                                               

                                                Thammasat                                Other companies                                                                                
                                                University                                                                                                                              

                           •                    B.A. Economics                           2010 - Present  •                             Board       •                                    Thai
                                                (Hon.)                                                                                 Member                                           Prosperity
                                                Thammasat                                                                                                                               Advisory

                                                University                                                                                                                              Co., Ltd.

                           Training of Thai                                              Other                                                                                          
                           Institute of                                                  organizations                                                                                  
                           Directors                                                                                                                                                    

                           Association                                                   2011 - Present  •          Director-General               •                       The Treasury 
                                                                                                                                                                           Department   

                           •                    Director                                 2011 - Present  •                             Chairman    •                                    Small and
                                                Certification                                                                                                                           Medium
                                                Program (DCP)                                                                                                                           

                                                82/2006                                                                                                                                 Enterprise
                                                                                                                                                                                        Development

                           •                    Director                                                                                                                                Bank of
                                                Accreditation                                                                                                                           Thailand
                                                Program (DAP)                                                                                                                           

                                                32/2005                                  2010 - 2011     •                             Board       •                                    Bank of
                                                                                                                                       Member                                           Thailand

                           •                    Chartered                                2010 - Present  •                             Chairman    •                                    Deposit
                                                Director Class                                                                                                                          Protection
                                                (CDC) 3/2008                                                                                                                            

                           •                    Finance for                                                                                                                             Agency
                                                Non-Finance                                                                                                                             
                                                Director (FND)                                                                                                                          

                                                19/2005                                  2007 - 2011     •                             President   •                                    Thammasat
                                                                                                                                                                                        Association

                           Other Training                                                2000 - Present  •                             President   •                                    Thailand
                                                                                                                                                                                        Special
                                                                                                                                                                                        Olympics

                           •                    The National                             1997 - Present  •                             Chairman    •                                    National
                                                Defence Course                                                                                                                          Economics
                                                (Class 39)                                                                                                                              

                                                The National                                                                                                                            Research
                                                Defence College                                                                                                                         Council

                                                                                                                                                                                        
  --------------- -------- -------------------- --------------- --------- -------------- --------------- ---------- ------------------ ----------- ----------------------- ------------ -------------

  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------------------- ----------------------- ---------------
  Name/Position   Age      Education/Training                   % of      Family         Working                                                              
                  (year)                                        Share     Relationship   experiences                                                          
                                                                holding   among          in the 5                                                             
                                                                          Executives     preceding                                                            
                                                                                         years                                                                

                                                                                         Period        Position                       Function/Company/Type   
                                                                                                                                      of Business             

                           •                    Capital Market                           1994 -        •          President,          •                       East West
                                                Academy                                  Present                                                              Center and
                                                Leadership                                                                                                    

                                                Program (Class                                                                                                Hawaii Alumni
                                                4), Capital                                                                                                   Group of
                                                Market                                                                                                        

                                                Academy                                                                                                       Thailand

                                                                                         2010 - 2011   •          Director-General,   •                       The Fiscal
                                                                                                                                                              Policy Office,

                                                                                                                                                              Ministry of
                                                                                                                                                              Finance

                                                                                         2010 - 2011   •          President           •                       Export-Import
                                                                                                                                                              Bank of

                                                                                                                                                              Thailand

                                                                                         2010 - 2011   •          Board Member        •                       Capital Market

                                                                                                                                                              Supervisory
                                                                                                                                                              Board

                                                                                         2010 - 2011   •          Board Member        •                       National
                                                                                                                                                              Economic and

                                                                                                                                                              Social
                                                                                                                                                              Development

                                                                                                                                                              Board

                                                                                         2010 - 2011   •          Board Member        •                       Government
                                                                                                                                                              Pension

                                                                                                                                                              Fund

                                                                                         2009 – 2010   •          Deputy Permanent    •                       Ministry of
                                                                                                                                                              Finance

                                                                                                                  Secretary                                   

                                                                                         2008 - 2009   •          Inspector Chief     •                       Ministry of
                                                                                                                                                              Finance

                                                                                                                  General                                     

                                                                                         2006 - 2008   •          Inspector General   •                       Ministry of
                                                                                                                                                              Finance
  --------------- -------- -------------------- --------------- --------- -------------- ------------- ---------- ------------------- ----------------------- ---------------

Criminal offense record during the past 10 years

a) Being adjudged of convicting a crime or being on trial for convicting
a crime No

b) Being adjudged bankrupt or a receiver is appointed No

c) Being a management in the company or partnership which is adjudged
bankrupt or a receiver is appointed No

Remarks: The name and number (s) of the authorized directors who may
sign to bind the Company: Mr. Pailin Chuchottaworn and Mr. Tevin
Vongvanich can sign jointly and affix the Company’s seal, or Mr. Anon
Sirisaengtaksin, the Chief Executive Officer, can sign singly.

2. Management

As of 31 December 2011, PTTEP has 12 managements with the following
details:

+------------+---+-----------+----+-----+------+------------+-------+
| Nam        | A | Education | %  | Fam | Wor  |            |       |
| e/Position | g | /Training | of | ily | king |            |       |
|            | e |           | S  | Rel | exp  |            |       |
|            | ( |           | ha | ati | erie |            |       |
|            | y |           | re | ons | nces |            |       |
|            | e |           | ho | hip | in   |            |       |
|            | a |           | ld | am  | the  |            |       |
|            | r |           | in | ong | 5    |            |       |
|            | ) |           | g* | E   | p    |            |       |
|            |   |           |    | xec | rece |            |       |
|            |   |           |    | uti | ding |            |       |
|            |   |           |    | ves | y    |            |       |
|            |   |           |    |     | ears |            |       |
+============+===+===========+====+=====+======+============+=======+
|            |   |           |    |     | Pe   | Position   | Fu    |
|            |   |           |    |     | riod |            | nctio |
|            |   |           |    |     |      |            | n/Com |
|            |   |           |    |     |      |            | pany/ |
|            |   |           |    |     |      |            | Type  |
|            |   |           |    |     |      |            | of    |
|            |   |           |    |     |      |            | Bus   |
|            |   |           |    |     |      |            | iness |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr. Anon   | P |           |    |     |      |            |       |
| Siris      | l |           |    |     |      |            |       |
| aengtaksin | e |           |    |     |      |            |       |
|            | a |           |    |     |      |            |       |
| President  | s |           |    |     |      |            |       |
| and Chief  | e |           |    |     |      |            |       |
| Executive  | s |           |    |     |      |            |       |
| Officer    | e |           |    |     |      |            |       |
|            | e |           |    |     |      |            |       |
|            | n |           |    |     |      |            |       |
|            | o |           |    |     |      |            |       |
|            | . |           |    |     |      |            |       |
|            | 1 |           |    |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | M.S.      | 3  | N   | 20   | -          | PTTEP |
| Somkiet    | 7 | (Geo      | 26 | one | 10 - |  Executive |       |
| Janmaha    |   | physics), | ,1 |     | Pre  |     Vice   |       |
|            |   | Stanford  | 00 |     | sent |            |       |
| Executive  |   | Un        | sh |     |      | President, |       |
| Vice       |   | iversity, | ar |     |      |     G      |       |
| President, |   | U.S.A.    | es |     |      | eosciences |       |
| Ge         |   |           |    |     |      |            |       |
| osciences, |   | IOD: DCP  | (  |     |      |  Reservoir |       |
| Reservoir  |   | 50(2547)  | 0. |     |      |     E      |       |
| E          |   |           | 00 |     |      | ngineering |       |
| ngineering |   |           | 98 |     |      |     and    |       |
| and        |   |           | 22 |     |      |     E      |       |
| E          |   |           | %) |     |      | xploration |       |
| xploration |   |           |    |     |      |     Group  |       |
| Group      |   |           |    |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Vice   | PTTEP |
|            |   |           |    |     | 005- |            |       |
|            |   |           |    |     | 2010 | President, |       |
|            |   |           |    |     |      |     G      |       |
|            |   |           |    |     |      | eosciences |       |
|            |   |           |    |     |      |     and    |       |
|            |   |           |    |     |      |     E      |       |
|            |   |           |    |     |      | xploration |       |
|            |   |           |    |     |      |     Group  |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | M.S.E.    | 45 | N   | 2010 | -          | PTTEP |
| Asdakorn   | 7 | (Chemical | ,0 | one | -Pre |  Executive |       |
| Limpiti    |   | Engi      | 00 |     | sent |     Vice   | PTTEP |
|            |   | neering), | sh |     |      |            |       |
| Executive  |   | U         | ar |     | 2    | President, |       |
| Vice       |   | niversity | es |     | 005- |            |       |
| President, |   | of        |    |     | 2010 |   Strategy |       |
| Strategy   |   | Michigan, | sp |     |      |     and    |       |
| and        |   | U.S.A.    | ou |     |      |            |       |
| Business   |   |           | se |     |      |   Business |       |
| D          |   |           | 63 |     |      |     D      |       |
| evelopment |   |           | ,0 |     |      | evelopment |       |
| Group      |   |           | 00 |     |      |     Group  |       |
|            |   |           | sh |     |      |            |       |
|            |   |           | ar |     |      |            |       |
|            |   |           | es |     |      |            |       |
|            |   |           |    |     |      |            |       |
|            |   |           | t  |     |      |            |       |
|            |   |           | ot |     |      |            |       |
|            |   |           | al |     |      |            |       |
|            |   |           | 1  |     |      |            |       |
|            |   |           | 08 |     |      |            |       |
|            |   |           | ,0 |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | s  |     |      |            |       |
|            |   |           | ha |     |      |            |       |
|            |   |           | re |     |      |            |       |
|            |   |           |    |     |      |            |       |
|            |   |           | (  |     |      |            |       |
|            |   |           | 0. |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | 32 |     |      |            |       |
|            |   |           | 53 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     |      | -   Vice   |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | President, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Strategy |       |
|            |   |           |    |     |      |     and    |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Capability |       |
|            |   |           |    |     |      |     D      |       |
|            |   |           |    |     |      | evelopment |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Division |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | M.Sc.     | No | N   | 2    | -          | PTTEP |
|  Chatchawa | 2 | (         | ne | one | 010- |  Executive |       |
| l Eimsiri  |   | Operation |    |     | 2011 |     Vice   |       |
|            |   | R         |    |     |      |            |       |
| Executive  |   | esearch), |    |     |      | President, |       |
| Vice       |   | London    |    |     |      |            |       |
| President  |   | School of |    |     |      |    Finance |       |
| , attached |   | Economics |    |     |      |     and    |       |
| to         |   | and       |    |     |      |            |       |
| President  |   | Political |    |     |      | Accounting |       |
| and Chief  |   | Science,  |    |     |      |     Group  |       |
| Executive  |   | U         |    |     |      |            |       |
| Officer    |   | niversity |    |     |      |            |       |
|            |   | of        |    |     |      |            |       |
|            |   | London,   |    |     |      |            |       |
|            |   | United    |    |     |      |            |       |
|            |   | Kingdom   |    |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Vice   | PTTEP |
|            |   |           |    |     | 000- |            |       |
|            |   |           |    |     | 2010 | President, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |    Finance |       |
|            |   |           |    |     |      |     and    |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Accounting |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Division |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | Ph.D.     | 1  | N   | 2010 | -          | PTTEP |
| Somporn    | 3 | (         | 42 | one | -Pre |  Executive |       |
| Vongvut    |   | Petroleum | ,0 |     | sent |     Vice   |       |
| hipornchai |   | Engi      | 00 |     |      |            |       |
| Executive  |   | neering), | sh |     |      | President, |       |
| Vice       |   | U         | ar |     |      |     Int    |       |
| President, |   | niversity | es |     |      | ernational |       |
| Int        |   | of Tulsa, |    |     |      |     Assets |       |
| ernational |   | U.S.A.    | sp |     |      |     Group  |       |
| Asset      |   |           | ou |     |      |            |       |
| Group      |   |           | se |     |      |            |       |
|            |   |           | 3  |     |      |            |       |
|            |   |           | ,0 |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | sh |     |      |            |       |
|            |   |           | ar |     |      |            |       |
|            |   |           | es |     |      |            |       |
|            |   |           |    |     |      |            |       |
|            |   |           | t  |     |      |            |       |
|            |   |           | ot |     |      |            |       |
|            |   |           | al |     |      |            |       |
|            |   |           |    |     |      |            |       |
|            |   |           | 1  |     |      |            |       |
|            |   |           | 45 |     |      |            |       |
|            |   |           | ,0 |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | sh |     |      |            |       |
|            |   |           | ar |     |      |            |       |
|            |   |           | es |     |      |            |       |
|            |   |           |    |     |      |            |       |
|            |   |           | (  |     |      |            |       |
|            |   |           | 0. |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | 43 |     |      |            |       |
|            |   |           | 67 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Vice   | PTTEP |
|            |   |           |    |     | 006- |            |       |
|            |   |           |    |     | 2010 | President, |       |
|            |   |           |    |     |      |     Int    |       |
|            |   |           |    |     |      | ernational |       |
|            |   |           |    |     |      |     Assets |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | B.S.      | 3  | N   | 2010 | -          | P     |
| Prisdapunt | 9 | (         | 19 | one | -Pre |  Executive | TTEP. |
| Poj        |   | Geology), | ,0 |     | sent |     Vice   |       |
| anapreecha |   | Chiangmai | 00 |     |      |            |       |
|            |   | U         | sh |     |      | President, |       |
| Executive  |   | niversity | ar |     |      |     En     |       |
| Vice       |   | and Post  | es |     |      | gineering, |       |
| President, |   | Graduate  |    |     |      |            |       |
| En         |   | Diploma   | (0 |     |      | Operations |       |
| gineering, |   | (         | .0 |     |      |     and    |       |
| Operations |   | Petroleum | 09 |     |      |     Supply |       |
| and Supply |   | Expl      | 60 |     |      |     Chain  |       |
| Chain      |   | oration), | 8) |     |      |     Group  |       |
| Group      |   | U         |    |     |      |            |       |
|            |   | niversity |    |     |      |            |       |
|            |   | of        |    |     |      |            |       |
|            |   | Trondheim |    |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -          | PTTEP |
|            |   |           |    |     | 007- |   Regional |       |
|            |   |           |    |     | 2010 |     Vice   |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | President, |       |
|            |   |           |    |     |      |     Thai   |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Offshore |       |
|            |   |           |    |     |      |     Assets |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | B.Eng. (  | 1  | N   | 2010 | -          | PTTEP |
| Luechai    | 6 | E         | 09 | one | -Pre |  Executive |       |
| Won        |   | lectrical | ,8 |     | sent |     Vice   |       |
| gsirasawad |   | Engi      | 00 |     |      |            |       |
|            |   | neering), | sh |     |      | President, |       |
| Executive  |   | Chul      | ar |     |      |     Human  |       |
| Vice       |   | alongkorn | es |     |      |            |       |
| President, |   | U         |    |     |      |  Resources |       |
| Human      |   | niversity | (  |     |      |            |       |
| Resources  |   |           | 0. |     |      | Reputation |       |
| Reputation |   | IOD: DCP  | 00 |     |      |     and    |       |
| and        |   | 49 (2547) | 33 |     |      |            |       |
| Business   |   |           | 07 |     |      |   Business |       |
| Services   |   |           | %) |     |      |            |       |
| Group      |   |           |    |     |      |   Services |       |
|            |   |           |    |     |      |     Group  |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Vice   | PTTEP |
|            |   |           |    |     | 005- |            |       |
|            |   |           |    |     | 2010 | President, |       |
|            |   |           |    |     |      |     Human  |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |  Resources |       |
|            |   |           |    |     |      |     and    |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Business |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Services |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |  Divisions |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | B.SC.     | 88 | N   | 2010 | -          | PTTEP |
| Suraphong  | 8 | (Geology) | ,4 | one | -Pre |  Executive |       |
| Iamchula   |   |           | 00 |     | sent |     Vice   |       |
|            |   | Chiangmai | sh |     |      |            |       |
| Executive  |   | U         | ar |     |      | President, |       |
| Vice       |   | niversity | es |     |      |            |       |
| President, |   |           |    |     |      |  Domestics |       |
| Domestics  |   |           | (0 |     |      |     Assets |       |
| Assets     |   |           | 0. |     |      |     Group  |       |
| Group      |   |           | 26 |     |      |            |       |
|            |   |           | 63 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Vice   | PTTEP |
|            |   |           |    |     | 007- |            |       |
|            |   |           |    |     | 2010 | President, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Operations |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |    Support |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Division |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Ms.        | 5 | M.Sc.(    | No | N   | 2    | -          | PTT   |
| Penchun    | 6 | Business  | ne | one | 006- |  Executive |       |
| Jarikasem  |   | Adminis   |    |     | 2011 |     Vice   |       |
|            |   | tration), |    |     |      |            |       |
| Exec       |   |           |    |     |      | President, |       |
| utive Vice |   | T         |    |     |      |            |       |
|  President |   | hammasart |    |     |      |  Corporate |       |
| , Finance  |   | U         |    |     |      |            |       |
| and Accoun |   | niversity |    |     |      |    Finance |       |
| ting Group |   |           |    |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Mr.        | 5 | M.Sc.(    | 67 | N   | 2    | -   Vice   | PTTEP |
| Yongyos    | 1 | Acc       | ,5 | one | 010- |            |       |
| Kr         |   | ounting), | 00 |     | 2011 | President, |       |
| ongphanich |   |           | sh |     |      |     Joint  |       |
|            |   | T         | ar |     |      |            |       |
| Senior     |   | hammasart | es |     |      |    Venture |       |
| Vice       |   | U         |    |     |      |            |       |
| President, |   | niversity | (  |     |      |    Myanmar |       |
|            |   |           | 0. |     |      |     Asset  |       |
| Accounting |   |           | 00 |     |      |            |       |
| Division   |   |           | 22 |     |      |            |       |
|            |   |           | 77 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -   Senior | PTTEP |
|            |   |           |    |     | 009- |            |       |
|            |   |           |    |     | 2010 |   Manager, |       |
|            |   |           |    |     |      |     Joint  |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |    Venture |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Projects |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Ms.        | 4 | M.Sc.(    | 8  | N   | 2011 | -   Vice   | PTTEP |
| Chanamas   | 2 | Business  | ,5 | one |      |            |       |
| Sasnanand  |   | Adminis   | 00 |     |      | President, |       |
|            |   | tration), | sh |     |      |            |       |
| Vice       |   |           | ar |     |      |    Finance |       |
| President, |   | U         | es |     |      |            |       |
|            |   | niversity |    |     |      | Department |       |
| Finance    |   | of South  | (  |     |      |            |       |
| Department |   | Carolina  | 0. |     |      |            |       |
|            |   |           | 00 |     |      |            |       |
|            |   |           | 02 |     |      |            |       |
|            |   |           | 56 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2010 | -   Acting | PTTEP |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Manager, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |    Finance |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Department |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -          | PTTEP |
|            |   |           |    |     | 007- | Assistance |       |
|            |   |           |    |     | 2010 |            |       |
|            |   |           |    |     |      |   Manager, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Investor |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |  Relations |       |
+------------+---+-----------+----+-----+------+------------+-------+
| Ms.        | 4 | M.Sc.(    | 75 | N   | 2010 | -   Vice   | PTTEP |
| Jaroonsri  | 6 | Financial | ,6 | one | -Pre |            |       |
| W          |   | Acc       | 00 |     | sent | President, |       |
| ankertphon |   | ounting), | sh |     |      |            |       |
|            |   |           | ar |     |      |  Corporate |       |
| Vice       |   | T         | es |     |      |            |       |
| President, |   | hammasart |    |     |      | Accounting |       |
|            |   | U         | (  |     |      |            |       |
| Corporate  |   | niversity | 0. |     |      | Department |       |
| Accounting |   |           | 00 |     |      |            |       |
| Department |   |           | 22 |     |      |            |       |
|            |   |           | 77 |     |      |            |       |
|            |   |           | %) |     |      |            |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -          | PTTEP |
|            |   |           |    |     | 008- |   Manager, |       |
|            |   |           |    |     | 2010 |            |       |
|            |   |           |    |     |      |  Corporate |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Accounting |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Department |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -          | PTTEP |
|            |   |           |    |     | 007- |   Manager, |       |
|            |   |           |    |     | 2008 |            |       |
|            |   |           |    |     |      |    Project |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Accounting |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      | Department |       |
+------------+---+-----------+----+-----+------+------------+-------+
|            |   |           |    |     | 2    | -          | PTTEP |
|            |   |           |    |     | 004- |    Finance |       |
|            |   |           |    |     | 2007 |     and    |       |
|            |   |           |    |     |      |     Admi   |       |
|            |   |           |    |     |      | nistration |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Manager, |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |   Seconded |       |
|            |   |           |    |     |      |     to     |       |
|            |   |           |    |     |      |     Hoan   |       |
|            |   |           |    |     |      |     Vu JOC |       |
|            |   |           |    |     |      |     ,      |       |
|            |   |           |    |     |      |            |       |
|            |   |           |    |     |      |    Vietnam |       |
+------------+---+-----------+----+-----+------+------------+-------+