TERMS SHEET This terms sheet contains selected information for quick reference only. You should read this Supplement, particularly "Risk Factors," and each of the other documents listed under "Available Information." Sponsor:    Citigroup Global Markets Inc. Trustee:    Wells Fargo Bank, N.A. Tax Administrator:    The Trustee Closing Date:    December 30, 2003 Distribution Dates:    For the Group 1 Securities, the 16th day of each month or, if the 16th day is not a Business Day, the first Business Day thereafter, commencing in January 2004. For the Group 2 Securities, the 20th day of each month or, if the 20th day is not a Business Day, the first Business Day thereafter, commencing in January 2004. Trust Assets: Trust Asset Group Trust Asset Type Certificate Rate Original Term To Maturity (in years) 1 Ginnie Mae I 4.5% 30 2 Underlying Certificates (1) (1) (1)Certain information regarding the Underlying Certificates is set forth in Exhibits A and B to this Supplement. Security  Groups:    This  series  of  Securities  consists  of  multiple  Security  Groups  (each,  a "Group"), as shown on the inside front cover of this Supplement and on Schedule I to this Supplement. Payments on each Group will be based solely on payments on the Trust Asset Group with the same numerical designation. Assumed Characteristics of the Mortgage Loans Underlying the Group 1 Trust Assets1: Principal Balance2 Weighted Average Remaining Term to Maturity (in months) Weighted Average Loan Age (in months) Mortgage Rate Group 1 Trust Assets $700,000,000 351 4 5.0% 1As of December 1, 2003. 2Does not include Group 1 Trust Assets that will be added to pay the Trustee Fee. The actual remaining terms to maturity and loan ages of many of the Mortgage Loans underlying the  Group  1  Trust  Assets  will  differ  from  the  weighted  averages  shown  above,  perhaps significantly. See "The Trust Assets – The Mortgage Loans" in this Supplement. See Exhibit A to this Supplement for certain information regarding the characteristics of the Mortgage Loans included in the Underlying Trusts. Issuance of Securities:    The Securities, other than the Residual Securities, will initially be issued in book-entry form through the book-entry system of the U.S. Federal Reserve Banks (the "Fedwire  Book-Entry  System").  The  Residual  Securities  will  be  issued  in  fully  registered, certificated form. See "Description of the Securities – Form of Securities" in this Supplement. B-24