| 1.   | U.S. Bank National Association has prepared all reports to Unitholders with respect to each distribution date for SATURNS Trust No. 2005-3, and has filed a copy of the reports to Unitholders for the months listed on Exhibit A attached hereto; |
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| 2.   | I have reviewed the reports on Form 8-K containing the reports to Unitholders included on Exhibit A for the year covered by this annual report of MS Structured Asset Corp., on behalf of SATURNS Trust No. 2005-3; |
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| 3.   | I am familiar with the operations of U.S. Bank National Association with respect to the SATURNS program and SATURNS Trust No. 2005-3 and the requirement imposed by the Trust Agreement; |
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| 4.   | Based on my knowledge, the information in the reports to Unitholders, taken as a whole, does 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 as of the date that the distribution information was filed on Form 8-K; |
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| 5.   | Based on my knowledge, the reporting information required to be provided in the reports to Unitholders under the Trust Agreement, is included in the reports to Unitholders; |
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| 6.   | Based on my knowledge, and except as disclosed in the reports to Unitholders, the Trustee has fulfilled its obligations under the Trust Agreement; |
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| 7.   | Based on my knowledge, and except as disclosed in this Compliance Statement or the reports to Unitholders, there are no material legal proceedings with respect to the trust, involving the trust or U.S. Bank National Association as Trustee. |
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| SATURNS  Trust No.: | Closing Date      | Payment Dates                   | Form 8-K Filing Dates                       |
|-------------------------------|-------------------|---------------------------------|---------------------------------------------|
| 2005-3                        | December 16, 2005 | March 1, 2012 September 4, 2012 | March  12, 2012 Septebmer 5, 2012 |