EXHIBIT 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the Statement on Schedule 13D filed herewith (and any amendments thereto), relating to the common stock, par value $0.01 per share, of Huntsman Corporation, a Delaware corporation, is being filed jointly with the Securities and Exchange Commission pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, on behalf of each of the undersigned.

This Agreement may be executed in counterparts and each of such counterparts taken together shall constitute one and the same instrument.

Dated this 1st day of August, 2008

CITADEL INVESTMENT GROUP, L.L.C.
 
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
CITADEL LIMITED PARTNERSHIP
 
By:  Citadel Investment Group, L.L.C.,
  its General Partner
   
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
 
CITADEL EQUITY FUND LTD.
     
By:  Citadel Limited Partnership,
  its Portfolio Manager
     
By:  Citadel Investment Group, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
 
CITADEL INVESTMENT GROUP II, L.L.C.
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
CITADEL HOLDINGS I LP
 
By:  Citadel Investment Group II, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
CITADEL DERIVATIVES GROUP LLC
 
By:  Citadel Limited Partnership,
  its Managing Member
     
By:  Citadel Investment Group, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory

 

   
Exhibit 99.1, p.2

 
CITADEL HOLDINGS II LP
 
By:  Citadel Investment Group II, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
CITADEL ADVISORS LLC
 
By:  Citadel Holdings II LP,
  its managing member
     
By:  Citadel Investment Group II, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
 
CITADEL DERIVATIVES TRADING LTD.
 
By:  Citadel Limited Partnership,
  its Portfolio Manager
     
By:  Citadel Investment Group, L.L.C.,
  its General Partner
     
By:  /s/ John C. Nagel   
  John C. Nagel, Authorized Signatory
KENNETH GRIFFIN
 
By:  /s/ John C. Nagel   
  John C. Nagel, attorney-in-fact* 


* John C. Nagel is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission on February 24, 2006, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Limited Partnership on Schedule 13G for Morgans Hotel Group Co.