|                 |   | The Bank of New York Mellon (formerly TheBank of New York), as Trustee |
|----------------------|--------|------------------------------------------------------------------------|
|                 |   |                                                                   |
|                 |   |                                                                   |
|                 |   |                                                                   |
|                 |   |                                                                   |
|                 |   |                                                                   |
| Date: March 20, 2012 |   | /s/  Pierre Boutros                                     |
|                 |   | Pierre Boutros                                                         |
|                 |   | Vice President                                                         |
|                 |   |                                                                   |

----

| Trust                                                             | Trust Agreement                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                              |                                                                                                                                                                                                                                                                                                                                          |
| STRATSSM Trust for Proctor & Gamble Securities, Series 2006-1 | STRATSSM Series Supplement 2006-1, dated as of February 28, 2006, between Synthetic Fixed-Income Securities, Inc., as Trustor and Depositor, and The Bank of New York Mellon (formerly The Bank of New York), as trustee and Securities Intermediary, supplementing the Trust Agreement, dated as of February 28, 2006, between such parties. |
|                                                              |                                                                                                                                                                                                                                                                                                                                          |
| STRATSSM Trust for Goldman Sachs Securities, Series 2006-2        | STRATSSM Series Supplement 2006-2, dated as of March 31, 2006, between Synthetic Fixed-Income Securities, Inc., as Trustor and Depositor, and The Bank of New York Mellon (formerly The Bank of New York), as trustee and Securities Intermediary, supplementing the Trust Agreement, dated as of February 28, 2006, between such parties.    |
|                                                              |                                                                                                                                                                                                                                                                                                                                          |
| STRATSSM Trust for Allstate Corporation Securities, Series 2006-3 | STRATSSM Series Supplement 2006-3, dated as of April 28, 2006, between Synthetic Fixed-Income Securities, Inc., as Trustor and Depositor, and The Bank of New York Mellon (formerly The Bank of New York), as trustee and Securities Intermediary, supplementing the Trust Agreement, dated as of February 28, 2006, between such parties.    |
|                                                              |                                                                                                                                                                                                                                                                                                                                          |

----