EX-99.A 2 y44824exv99wa.htm EX-99.A: JOINT FILING AGREEMENT EX-99.A
 

EXHIBIT A
JOINT FILING AGREEMENT
Macquarie Group Limited, Macquarie Group Services Australia Pty Limited and Macquarie Infrastructure Management (USA) Inc. in compliance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, hereby agree that the statement on Schedule 13D to which this Agreement is attached as an exhibit is, and any amendments thereto filed by any of us will be, filed on behalf of each such company, that each such company is responsible for the timely filing of the Schedule 13D and any amendments thereto and for the completeness and accuracy of the information concerning such company contained therein.
Date: December 12, 2007
             
THE COMMON SEAL of
MACQUARIE GROUP LIMITED was
hereunto affixed in accordance with the
company’s constitution:
)
)
)
)		          
 
            
/s/ Dennis Leong
      /s/ Stuart Dyson    
 
           
Signature of authorised person
      Signature of authorised person    
 
            
Company Secretary
      Executive Director    
 
           
Office held
      Office held    
 
            
Dennis Leong
      Stuart Dyson    
 
           
Name of authorised person (block letters)
      Name of authorised person (block letters)    

10

 

             
THE COMMON SEAL of
MACQUARIE GROUP SERVICES
AUSTRALIA PTY LIMITED was
hereunto affixed in accordance with the
company’s constitution:
)
)
)
)		          
 
            
/s/ Michael Panikian
      /s/ Stuart Dyson    
 
           
Signature of authorised person
      Signature of authorised person    
 
            
Company Secretary
       Executive Director    
 
           
Office held
      Office held    
 
            
Michael Panikian
      Stuart Dyson    
 
           
Name of authorised person (block letters)
      Name of authorised person (block letters)    
 
            
By Macquarie Infrastructure
Management (USA) Inc.:		        
 
            
/s/ Peter Stokes
 
            
Signature of authorised person
            
 
            
President and Chief Executive Officer
 
            
Office held
            
 
            
Peter Stokes
 
            
Name of authorised person
            

11