Contract

Wachovia Bank, National Association

0000 Xxxxxxxx Xxxxx, XXX0

Xxxxxxxxx, XX 00000-0000

WACHOVIA SECURITIES

OFFICER'S CERTIFICATE

Reference is hereby made to that certain Pooling and Servicing Agreement

dated as of May 11, 2004, by and among Structured Asset Securities Corporation II, as
Depositor, Wachovia Bank National Association, as Master Servicer Lennar Partners,
Inc., as Special Servicer, and Xxxxx Fargo Bank, N.A., as Trustee, with respect to LB-
UBS Commercial Mortgage Trust 2004-C4, Commercial Mortgage Pass-Through
Certificates, Series 2004-C4 (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, Xxxxxxx X. Xxxxxxx and Xxxxx X.

Xxxxxxxxx, Directors of the Master Servicer, do hereby certify that:

1.

A review of the activities of the Master Servicer during the period from May
11, 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 May 11, 2004 through December 31, 2004;

3.

The Master Servicer has received no notice regarding the qualification, or
challenging the status, of any REMIC Pool as a REMIC or the Grantor Trust
as a grantor trust, from the IRS or from any other governmental agency or
body.

IN WITNESS WHEREOF, the undersigned have executed this Certificate as of

the 5 th day of March 2005.

/s/ Xxxxxxx X. Xxxxxxx
Xxxxxxx X. Xxxxxxx, Director
Wachovia Bank National Association

/s/ Xxxxx X. Xxxxxxxxx
Xxxxx X. Xxxxxxxxx, Director
Wachovia Bank National Association