Exhibit 31.1


                                 CERTIFICATION

I, Jimmy Whang, certify that:

      1.    I have reviewed this annual report on Form 10-K in respect of the
            STRATS(SM) Trust For Wal-Mart Stores, Inc. Securities, Series
            2005-4 (the "Trust") and all reports on Form 8-K containing
            distribution or servicing reports filed in respect of periods
            included in the year covered by this annual report of the Trust;

      2.    Based on my knowledge, the information in these reports, 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 last day of the period covered
            by this annual report;

      3.    Based on my knowledge, the distribution or servicing information
            required to be provided to the Depositor by the Trustee under the
            trust agreement, for inclusion in these reports is included in
            these reports;

      4.    I am responsible for reviewing the activities performed by the
            Depositor and the Trustee under the trust agreement and based upon
            my knowledge and the annual compliance review required under that
            agreement, and except as disclosed in the reports, the Depositor
            and Trustee have each fulfilled its obligations under that
            agreement; and

      5.    The reports disclose all significant deficiencies relating to the
            compliance by the Trustee and the Depositor with the minimum
            servicing or similar standards based upon the report provided by
            an independent public accountant, after conducting a review in
            compliance with the Uniform Single Attestation Program for
            Mortgage Bankers or similar procedure, as set forth in the trust
            agreement that is included in these reports.

In giving the certifications above, I have reasonably relied on information
provided to me by the following unaffiliated party: U.S. Bank Trust National
Association, as Trustee.

Date: March 30, 2006

/s/ Jimmy Whang
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Name:   Jimmy Whang
Title:  Director