EX-99.1 2 c26092exv99w1.htm JOINT FILING AGREEMENT exv99w1
 

EXHIBIT 99.1
JOINT FILING AGREEMENT
The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.
Dated: April 28, 2008
     
 
  MAGNETAR FINANCIAL LLC
 
   
 
  By: Magnetar Capital Partners LP, its Sole Member
         
     
  By:   /s/ Alec N. Litowitz    
    Name:   Alec N. Litowitz   
    Title:   Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP   
 
     
 
  MAGNETAR INVESTMENT MANAGEMENT, LLC
 
   
 
  By: Magnetar Capital Partners LP, its Sole Member
         
     
  By:   /s/ Alec N. Litowitz    
    Name:   Alec N. Litowitz   
    Title:   Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP   
 
  MAGNETAR CAPITAL PARTNERS LP
 
 
  By:   /s/ Alec N. Litowitz    
    Name:   Alec N. Litowitz   
    Title:   Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP   
 
         
  SUPERNOVA MANAGEMENT LLC
 
 
  By:   /s/ Alec N. Litowitz    
    Name:   Alec N. Litowitz   
    Title:   Manager   
 
 
/s/ Alec N. Litowitz
 
Alec N. Litowitz