
                                       UNITED STATES
                             SECURITIES AND EXCHANGE COMMISSION
                                   Washington, D.C. 20549
                               ______________________________
                                          FORM 8-K

                                       CURRENT REPORT
           Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934


            Date of Report (Date of earliest event reported): December 15, 2004



                                 Structured Products Corp.

                  (Exact name of registrant as specified in its charter)


                    Delaware                001-31637            13-3692801
                   (State or other         (Commission          (IRS Employer
                    jurisdiction of         File Number)         Identification
                    incorporation or                             Number)
                    organization)

                       388 Greenwich Street, New York, New York 10013
           (Address of principal executive offices)           (Zip Code)
            Registrant's telephone number including area code (212) 816-7496.

      Check the appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following provisions:
      [ ] Written communications pursuant to Rule 425 under the Securities Act (17CFR
      230.425)
      [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17CFR
      240.14a-12)
      [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
      (17CFR 240.14d-2(b))
      [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act
      (17CFR 240.13e-4(c))


Section 8 -  Other Events

Item 8.01 Other Events.

      This  current  report on Form 8-K  relates  to a  distribution  made to holders of the
      Certificates   issued  by  the  CAST  Step-Up  Trust  for  General   Electric  Capital
      Corporation Notes.

      The issuer of the underlying  securities,  or guarantor thereof, or successor thereto,
      as applicable,  is subject to the information reporting requirements of the Securities
      Exchange Act of 1934,  as amended (the  "Exchange  Act").  Periodic  reports and other
      information  required to be filed  pursuant to the Exchange  Act, by the issuer of the
      underlying securities, or guarantor thereof, or successor thereto, as applicable,  may
      be  inspected  and  copied  at  the  public  reference  facilities  maintained  by the
      Securities  and Exchange  Commission  (the  "Commission")  at 450 Fifth Street,  N.W.,
      Washington,  D.C. 20549. The Commission also maintains a site on the World Wide Web at
      "http://www.sec.gov"  at which users can view and  download  copies of reports,  proxy
      and information  statements and other  information  filed  electronically  through the
      Electronic  Data  Gathering,   Analysis  and  Retrieval  system.   Neither  Structured
      Products Corp. nor the trustee has  participated  in the preparation of such reporting
      documents,  or made any due diligence  investigation  with respect to the  information
      provided therein.  Neither Structured  Products Corp. nor the trustee has verified the
      accuracy or completeness of such documents or reports.  There can be no assurance that
      events affecting the issuer of the underlying  securities,  or guarantor  thereof,  or
      successor thereto,  as applicable,  or the underlying  securities have not occurred or
      have not yet been publicly  disclosed  which would affect the accuracy or completeness
      of the publicly available documents described above.


Section 9 - Financial Statements and Exhibits

Item 9.01   Financial Statements and Exhibits.

            (c)   Exhibits:

                  1.  Trustee's Report with respect to the December 15, 2004
                      Distribution Date for the CAST Step-Up Trust for General
                      Electric Capital Corporation Notes



                                         SIGNATURES




            Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.





                                        By:     /s/ John W. Dickey
                                        Name:   John W. Dickey
                                        Title:  Authorized Signatory












December 15, 2004

EXHIBIT INDEX


Exhibit                                                                    Page

   1     Trustee's Report with respect to the December 15, 2004             5
         Distribution Date for the CAST Step-Up Trust for General
         Electric Capital Corporation Notes

5


                                 Exhibit 1

To the Holders of:
CAST Step-Up Trust for General Electric Capital Corporation Notes
Monthly-Pay Step-Up
Class A Certificates  *CUSIP: 148356 AA6
Class B Certificates  *CUSIP: 148356 AB4

U.S. Bank Trust National Association, as Trustee for the CAST Step-Up Trust for General
Electric Capital Corporation Notes (the "Trust"), hereby gives notice with respect to the
Scheduled Distribution Date of December 15, 2004 (the "Distribution Date") as follows:

1.   The amount of the distribution payable to the Certificateholders on the
     Distribution Date allocable to principal and premium, if any, and interest,
     expressed as a dollar amount per $1,000 Class A Certificate and per $1,000
     Notional Amount of Class B Certificates, is as set forth below:

           Class         Principal      Interest         Total
                                                         Distribution
           A             $ 0.000000     $   2.708333     $  2.708333
           B             $ 0.000000     $  13.750000     $ 13.750000

2.   The amount of aggregate interest due and not paid as of the Distribution
     Date is $0.000000.

3.   The Class A Certificates bear interest at the rate of 3.25% and the Class
     B Certificates bear interest at a rate of 2.75% during the period ending
     on the Distribution Date.

4.   No fees have been paid to the Trustee or any other party from the
     proceeds of the Term Assets.

5.   $51,000,000 aggregate principal amount of General Electric Capital
     Corporation 6% Global Medium-Term Notes, Series A due June 15, 2012 (the
     "Term Assets") are held for the above trust.

6.   At the close of business on the Distribution Date, 51,000 Class A
     Certificates representing $51,000,000 aggregate Certificate Principal
     Balance and $51,000,000 aggregate Notional Amount of Class B Certificates
     were outstanding.

7.   The Notional Amount of the ISDA Master Agreement, the Schedule thereto
     and the Confirmation thereto each dated March 7, 2003 between the Trust
     and Citigroup Global Markets Limited (f/k/a Salomon Brothers
     International Limited) (collectively the "Swap"), is $51,000,000.
     Payment of the obligations of Citigroup Global Markets Limited under the
     Swap is guaranteed by Citigroup Global Markets Holdings Inc. (f/k/a
     Salomon Smith Barney Holdings Inc.) under a Guarantee Agreement dated
     March 7, 2003.

8.   The current rating of the Term Assets is not provided in this report.
     Ratings can be obtained from Standard & Poor's Ratings Services, a division
     of The McGraw-Hill Companies, Inc., by calling 212-438-2400 and from Moody's
     Investors Service, Inc. by calling 212-553-0377.

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