
                                                                       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): DecemberJanuary 15, 20042005



                                                           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
      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

Section 8 - Other Events

                                         SIGNATURESItem 8.01 Other Events.




            Pursuant      This  current  report  on Form 8-K  relates  to a  distribution  made to
      holders  of the  Certificates  issued  by requirementsthe  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
registrant has"Exchange  Act").  Periodic  reports dulyand causedother  information
      required this report to be signedfiled  pursuant onto itsthe behalfExchange Act, by the undersignedissuer of the
hereunto      underlying  securities,  or dulyguarantor authorized.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

                                        By      "http:     /s/www.sec.gov"  at Johnwhich  users  can Wview 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. Dickeynor the trustee
                                        Name:   John      has  participated  in Wthe  preparation of such reporting  documents,  or
      made any due  diligence  investigation  with respect to the  information
      provided therein.  Neither DickeyStructured Products Corp. nor the trustee has
                                        Title:      verified  Authorizedthe  accuracy Signatoryor  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:
December
                1.  Trustee's Report with respect to the January 15, 20042005
                    Distribution Date for the CAST  Step-Up Trust for General
                    Electric Capital Corporation Notes

EXHIBIT INDEX

                                  SIGNATURES
Exhibit                                                                    Page

   1     Trustee's

            Pursuant Reportto withthe respectrequirements toof the DecemberSecurities 15,Exchange 2004             5Act of
         Distribution1934, Datethe forregistrant has duly caused this report to be signed on its behalf
by the CASTundersigned Step-Uphereunto Trustduly forauthorized.





                                        By:     /s/ GeneralJohn W. Dickey
         Electric                                        Name:   John CapitalW. CorporationDickey
                                        Title:  Authorized NotesSignatory





















January 15, 2005

ExhibitEXHIBIT 1INDEX

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

U.S. Bank Trust National Association, as 1 Trustee's forReport the CAST Step-Up Trust for General
Electric Capital Corporation Notes (the "Trust"), hereby gives notice with respect to the
Scheduled DistributionJanuary Date of December 15, 2004 (the "Distribution Date") as follows:2005 5

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 isfor $0.000000.

3. The Class A Certificates bear interest at the rateCAST ofStep-Up 3.25%Trust andfor 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.



                                 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 January 15, 2005
(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     $   0.000000     $  0.000000

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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