Dated: 3/27/2008
By: /s/
E. Todd Whittemore
Title:
Executive Vice President, Master Servicing
Aurora Loan Services LLC, as Master Servicer
I, E. Todd Whittemore, certify that:
1. I have reviewed this report on Form 10-K and all reports on Form 10-D required to be filed in respect of the period covered
by this report on Form 10-K of Lehman Mortgage Trust 2007-6 (the "Exchange Act periodic reports");
2. Based on my knowledge, the Exchange Act periodic reports, taken as a whole, do not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period covered by this report;
3. Based on my knowledge, all of the distribution, servicing and other information required to be provided under Form 10-D for
the period covered by this report is included in the Exchange Act periodic reports;
4. I am responsible for reviewing the activities performed by the servicers and based on my knowledge and the compliance
reviews conducted in preparing the servicer compliance statements required in this report under Item 1123 of Regulation AB,
and except as disclosed in the Exchange Act periodic reports, the servicers have fulfilled their obligations under the servicing
agreements in all material respects; and
5. All of the reports on assessment of compliance with servicing criteria for asset-backed securities and their related
attestation reports on assessment of compliance with servicing criteria for asset-backed securities required to be included in
this report in accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18 and 15d-18 have been included as
an exhibit to this report, except as otherwise disclosed in this report. Any material instances of noncompliance described in
such reports have been disclosed in this report on Form 10-K.
E. Todd Whittemore
Exhibit 31 : Rule 13a-14(d)/15d-14(d) Certifications
(Senior Officer in charge of the servicing function of Aurora Loan Services LLC, in its capacity as
master servicer)
Name:
In giving the certifications above, I have reasonably relied on information provided to me by the following unaffiliated parties:
LaSalle Bank National Association, as Custodian
National City Mortgage Co., as Servicer
Newport Management Corporation, as Sub-Contractor for Aurora Loan Services LLC
PHH Mortgage Corporation, as Servicer
Regulus Group LLC, as Sub-Contractor for National City Mortgage Co.
U.S. Bank National Association, as Trustee, Paying Agent and Custodian
Wells Fargo Bank, N.A., as Custodian
Westlake Settlement Services, LLC, as Sub-Contractor for Aurora Loan Services LLC
