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): April 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 10013
(Address of principal executive offices) (Zip Code)
Registrant's telephone number including area code (212) 816-7496.

Item 1. Changes in Control of Registrant.

Not Applicable.

Item 2. Acquisition or Disposition of Assets.

Not Applicable.

Item 3. Bankruptcy or Receivership.

Not Applicable.

Item 4. Changes in Registrant's Certifying Accountant.

Not Applicable.

Item 5. Other Events.

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 Product 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.

Item 6. Resignations of Registrant's Directors.

Not Applicable.

Item 7. Financial Statements, Pro-Forma Financial Information and Exhibits.

(a) Not Applicable.

(b) Not Applicable.

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

Item 8. Change in Fiscal Year

Not Applicable.

Item 9. Regulation FD Disclosure

Not Applicable.




                                         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
thereunto duly authorized.





                                        By:    /s/ Mark C. Graham
                                        Name:      Mark C. Graham
                                        Title:     Authorized Signatory




















April 15, 2004


EXHIBIT INDEX


Exhibit                                                                    Page

   1     Trustee's Report with respect to the April 15, 2004                6
         Distribution Date for the CAST Step-Up Trust for General
         Electric Capital Corporation Notes

                                 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  April  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     $  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.

STRUCTURED PRODUCTS CORP CAST STEP-UP TRUST FOR GECC NOTES 8-K