EX-35 (i)
(Logo) WELLS FARGO

Corporate Trust Services
9062 Old Annapolis Road
Columbia, MD 21045-1951
410 884-2000
410 715-2380 Fax

Wells Fargo Bank, N.A.

March 06, 2007

Structured Asset Securities Corporation
745 7th Avenue
New York, NY 10019

RE: Annual Statement As To Compliance for Thornburg Mortgage Securities
Trust 2006-4

Per Section 3.17 of the Trust Agreement, dated as of 7/1/2006, the
undersigned Officer of Wells Fargo Bank, N.A., (Master Servicer),
hereby certifies the following for the 2006 calendar year or portion
thereof:

(A)     a review of such party's activities during the preceding calendar year
        or portion thereof and of such party's performance under this
        Agreement, or such other applicable agreement in the case of any
        Servicing Function Participant, has been made under such officer's
        supervision and

(B)     to the best of such officer's knowledge, based on such review, such
        party has fulfilled all its obligations under this Agreement, or such
        other applicable agreement in the case of any Servicing Function
        Participant, in all material respects throughout such year or portion
        thereof, or, if there has been a failure to fulfill any such
        obligation in any material respect, specifying each such failure known
        to such officer and the nature and status thereof.


Certified By:
/s/Barry Akers
Barry Akers
Vice President

Certified By:
/s/Reid Denny
Reid Denny, Assistant Secretary