| Wachovia Bank, National Association 8739 Research Drive, URP4 Charlotte, NC 28288-1075 **WACHOVIA SECURITIES********OFFICER'S CERTIFICATE**Reference is hereby made to that certain Pooling and Servicing Agreement dated  as of August 11, 2004, by and among Structured Asset Securities Corporation, as Depositor, Wachovia Bank National Association, as Master Servicer, Lennar Partners, Inc., as Special Servicer, and LaSalle Bank National Association, as Trustee, and ABN AMRO Bank N.V., as Fiscal Agent, with respect to LB-UBS Commercial Mortgage Trust 2004-C6, Commercial Mortgage Pass-Through Certificates, Series 2004-C6 (the "Agreement").  Capitalized terms used herein not otherwise defined shall have the meanings assigned in the Agreement. Pursuant to Section 3.13 of this Agreement, Timothy E. Steward and Clyde M. Alexander, Directors of the Master Servicer, do hereby certify that: 1.A review of the activities of the Master Servicer during the period from August 24, 2004 through December 31, 2004 and of its performance under the Agreement during such period has been made under our supervision; and 2.To the best of our knowledge, based on such review, the Master Servicer has fulfilled all of its material obligations under this Agreement in all material respects throughout the period August 24, 2004 through December 31, 2004; and 3.The Master Servicer has received no notice regarding qualification, or challenging the status, of any REMIC Pool as a REMIC or the Grantor Trust as a grantor trust, from the Internal Revenue Service or any other governmental agency or body. IN WITNESS WHEREOF, the undersigned have executed this Certificate as of the 11 th day of March 2005. /s/ *Timothy E. Steward*Timothy E. Steward, Director              Wachovia Bank National Association             /s/ *Clyde M. Alexander*Clyde M. Alexander, Director Wachovia Bank National Association |
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