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: May 28, 2004 Distribution Dates: For the Group 1, 5 and 6 Securities, the 16th day of each month or, if the 16th day is not a Business Day, the first Business Day thereafter, commencing in June 2004. For the Group 4 and 12 Securities, the 17th day of each month or, if the 17th day is not a Business Day, the first Business Day thereafter, commencing in June 2004. For the Group 2, 3, 7, 8, 9, 10, 11 and 13 Securities, the 20th day of each month or, if the 20th day is not a Business Day, the first Business Day thereafter, commencing in June 2004. Trust Assets: Trust Asset Group Trust Asset Type Certificate Rate Original Term To Maturity (in years) 1 Ginnie Mae I 6.0% 30 2 Ginnie Mae II 5.5% 30 3 Underlying Certificates (1) (1) 4 Underlying Certificates (1) (1) 5 Ginnie Mae I 6.0% 30 6 Ginnie Mae I 8.0% 30 7 Underlying Certificates (1) (1) 8 Underlying Certificates (1) (1) 9 Underlying Certificates (1) (1) 10 Underlying Certificates (1) (1) 11 Underlying Certificates (1) (1) 12 Underlying Certificates (1) (1) 13 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. S-4