----

----

|   | x | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|--------|---|--------------------------------------------------------------------------------------|

|   | o | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|--------|---|-----------------------------------------------------------------------------------------------|

| Delaware                                                      | 13-3692801                           |
|---------------------------------------------------------------|--------------------------------------|
| (State or other jurisdiction of incorporationor organization) | (I.R.S. Employer Identification No.) |
|                                                          |                                 |
| 390 Greenwich Street                                          |                                 |
| New York , NY                                                 | 10013                                |
| (Address of principal executive offices)                      | (Zip Code)                           |
|                                                          |                                 |

| Title of each class                                           | Name of Registered exchange on which registered |
|---------------------------------------------------------------|-------------------------------------------------|
|                                                          |                                            |
| 6.375% Corporate-Backed Trust Securities (CorTS) Certificates | New York Stock Exchange (“NYSE”)    |

----

|   | [Item 405 of Regulation S-K is not applicable.] |
|--------|-------------------------------------------------|

----

----

| Item 1.              | Business.                  |
|----------------------|----------------------------|
|                 |                       |
| Item 1A.             | Risk Factors.              |
|                 |                       |
| Item 2.              | Properties.                |
|                 |                       |
| Item 3.              | Legal Proceedings.         |
|                 |                       |
| Item 4.              | Mine Safety Disclosures.   |
|                 |                       |
|                 |                       |
|                 |                       |
| Item 1B.             | Unresolved Staff Comments. |
|                 |                       |
|  Not Applicable |

| Item 5.  | Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities. |
|----------|---------------------------------------------------------------------------------------------------------------------|
|     |                                                                                                                |
| Item 6.  | Selected Financial Data.                                                                                            |
|     |                                                                                                                |
| Item 7.  | Management’s Discussion and Analysis of Financial Condition and Results of Operations.                        |
|     |                                                                                                                |
| Item 7A. | Quantitative and Qualitative Disclosures About Market Risk.                                                         |
|     |                                                                                                                |
| Item 8.  | Financial Statements and Supplementary Data.                                                                        |
|     |                                                                                                                |
| Item 9.  | Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.                               |
|     |                                                                                                                |
| Item 9A. | Controls and Procedures.                                                                                            |
|     |                                                                                                                |
| Item 9B. | Other Information.                                                                                                  |
|     |                                                                                                                |
|     | None                                                                                                                |

| Item 10. | Directors, Executive Officers and Corporate Governance.                                   |
|----------|-------------------------------------------------------------------------------------------|
|     |                                                                                      |
| Item 11. | Executive Compensation.                                                                   |
|     |                                                                                      |
| Item 12. | Security Ownership of Certain Beneficial Owners and Management and Related Stock Matters. |
|     |                                                                                      |
| Item 13. | Certain Relationships and Related Transactions, and Director Independence.                |
|     |                                                                                      |
| Item 14. | Principal Accounting Fees and Services.                                                   |

----

| Item 1112(b) of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | Significant Obligors of Pool Assets (Financial Information).                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|
| The primary asset of the issuing entity is the underlying securities, $60,000,000 aggregate principal amount of 7.125% debentures due December 1, 2096 issued by International Business Machines Corporation. The issuer of the underlying securities, therefore, may be considered a significant obligor. The issuer of the underlying securities is subject to the information reporting requirements of the Securities Exchange Act of 1934 (the “Exchange Act”). For information on the issuer of the underlying securities please see its periodic and current reports filed with the Securities and Exchange Commission (the “Commission”) under its Exchange Act file number, 001-02360.                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1114(b)(2) of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Credit Enhancement and Other Support, Except for Certain DerivativesInstruments (Information Regarding Significant EnhancementProviders Financial Information). |
| Based on the standards set forth in Item 1114(b)(2) of Regulation AB, no information is required in response to this Item.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1115(b) of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Certain Derivatives Instruments (Financial Information).                                                                                                        |
| Based on the standards set forth in Item 1115(b) of Regulation AB, no information is required in response to this Item.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1117 of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Legal Proceedings.                                                                                                                                              |
| Based on the standards set forth in Item 1117 of Regulation AB no information is required in response to this Item.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1119 of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Affiliations and Certain Relationships and Related Transactions.                                                                                                |
| Based on the standards set forth in Item 1119 of Regulation AB, no information is required in response to this Item.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1122 of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Compliance with Applicable Servicing Criteria                                                                                                                   |
| U.S. Bank Trust National Association has been identified by the registrant as a party participating in the servicing function with respect to the pool assets held by CorTS Trust VI For IBM Debentures.  U.S. Bank Trust National Association has completed a report on an assessment of compliance with the servicing criteria applicable (the “Report on Assessment”) dated March 1, 2012 and for a period beginning January 1, 2011 through and including December 31, 2011, which Report on Assessment is attached as an exhibit to this Form 10-K. In addition, U.S. Bank Trust National Association has provided an attestation report (the “Attestation Report”) by a registered independent public accounting firm regarding its related Report on Assessment. The Attestation Report is attached as an exhibit to this Form 10-K. Neither the Report on Assessment or the related Attestation Report has identified any material instances of noncompliance with the servicing criteria described in the Report on Assessment as being applicable to CorTS Trust VI For IBM Debentures. |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Item 1123 of Regulation AB.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Servicer Compliance Statement.                                                                                                                                  |

| Structured Products Corp. has provided a statement of compliance (the “Compliance Statement”) for the period from and including January 1, 2011 through and including December 31, 2011, which has been signed by an authorized officer of Structured Products Corp. The Compliance Statement of Structured Products Corp. is attached as an exhibit to this Form 10-K. |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

| Item 15. | Exhibits, Financial Statement Schedules. |
|----------|------------------------------------------|

|   | (a) | The following documents have been filed as part of this report. |
|--------|-----|-----------------------------------------------------------------|

|   |   | 1. | Trustee’s Distribution Statements documented on Form 10-D of CorTS Trust VI For IBM Debentures to the certificateholders for the period from January 1, 2011 through and including December 31, 2011 have been filed with the Securities and Exchange Commission and are hereby incorporated by reference.  Filing dates are listed below: |
|--------|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Trust Description                        | Distribution Date | Filed on         |
|------------------------------------------|-------------------|------------------|
|   CorTS Trust VI For IBM Debentures | June 1, 2011      | June 7, 2011     |
|   CorTS Trust VI For IBM Debentures | December 1, 2011  | December 7, 2011 |

|   | 2. | None |
|--------|----|------|

|   | 3. | Exhibits: |
|--------|----|-----------|

|   |   |                       | 31.1 – Certification by Director of the Registrant pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                         |
|--------|--------|----------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                       |                                                                                                                                                                                                                                 |
|   |   |                       | 33.1 – Report on Assessment of Compliance with Servicing Criteria for U.S. Bank Trust National Association for the period from and including January 1, 2011 through and including December 31, 2011.                          |
|   |   |                       |                                                                                                                                                                                                                                 |
|   |   |                       | 34.1 – Attestation Report of Ernst & Young LLP on Assessment of Compliance with Servicing Criteria.                                                                                                                        |
|   |   |                       |                                                                                                                                                                                                                                 |
|   |   |                       | 35.1 – Servicer Compliance Statement of U.S. Bank Trust National Association for the period from and including January 1, 2011 through and including December 31, 2011.                                                        |
|   |   |                       |                                                                                                                                                                                                                                 |
|   |   |                       | 99.1 - Registrant’s Current Report on Form 10-D filed with the Securities and Exchange Commission on June 7, 2011 and December 7, 2011, as further described in Item 15(a)(1) above, is each incorporated herein by reference. |
|   |   |                       |                                                                                                                                                                                                                                 |
|   | (b)    | See Item 15(a) above. |
|   |   |                       |
|   | (c)    | Not Applicable.            |

----

|   | Structured Products Corp., |
|--------|----------------------------|
|   | as Depositor               |
|   |                       |
|   |                       |

|   |  By: |        /s/ Stanley Louie        |
|--------|-----------|-------------------------------------------------------------------------------------------------------|

|   | Name:                                                                  |   Stanley Louie                   |
|--------|------------------------------------------------------------------------|----------------------------------------|
|   | Title:                                                                 |   Vice President, Finance Officer |
|   | (senior officer in charge of securitization function of the Depositor) |

| Dated:  March 20, 2012 |
|----------------------------------|

----

| ExhibitNumber in this Form 10-K | Description of Exhibits                                                                                                                                                                                                       |
|--------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 31.1                                 | Certification by Director of the Registrant pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                               |
| 33.1                                 | Report on Assessment of Compliance with Servicing Criteria for U.S. Bank Trust National Association for the period from and including January 1, 2011 through and including December 31, 2011.                                |
| 34.1                                 | Attestation Report of Ernst & Young LLP on Assessment of Compliance with Servicing Criteria.                                                                                                                              |
| 35.1                                 | Servicer Compliance Statement of U.S. Bank Trust National Association for the period from and including January 1, 2011 through and including December 31, 2011.                                                              |
| 99.1                                 | Registrant’s Current Report on Form 10-D filed with the Securities and Exchange Commission on June 7, 2011 and December 7, 2011, as further described in Item 15(a)(1) above, is each incorporated herein by reference. |