Report Account Number Security Number (Full) Coupon Rate Shares/Par Accrued Income Gross Request Date ------------------------- ------------------------------- ------------------- ------------------------ ---------------------- --------------- N/A SUB-COHORT 91X4253 9153 09/30/2034 01994 6.770001600 56,651,959.3000 1,598,057.73 02/29/2008 91X4253 9153 09/30/2035 01995 7.390000800 495,638,895.1700 15,261,549.30 02/29/2008 91X4253 9153 09/30/2036 01996 6.770001600 1,545,356,201.3500 43,591,933.15 02/29/2008 91X4253 9153 09/30/2037 01997 6.890000400 1,998,512,941.1800 57,373,979.02 02/29/2008 91X4253 9153 09/30/2038 01998 5.979999600 2,773,704,930.1300 69,111,476.55 02/29/2008 91X4253 9153 09/30/2039 01999 5.810000400 4,224,438,599.0500 102,266,624.79 02/29/2008 91X4253 9153 09/30/2040 02000 6.360001200 4,506,720,412.4200 119,428,113.46 02/29/2008 91X4253 9153 09/30/2041 02001 5.749999200 6,872,456,688.9000 164,652,585.26 02/29/2008 91X4253 9153 09/30/2042 02002 5.619999600 8,593,165,184.9200 201,223,270.42 02/29/2008 91X4253 9153 09/30/2043 02003 5.029999200 9,573,299,816.9800 200,640,376.75 02/29/2008 91X4253 9153 09/30/2044 02004 5.240001600 9,711,543,198.8300 212,035,424.58 02/29/2008 91X4253 9153 09/30/2045 02005 4.719999600 17,357,425,925.2500 341,362,680.93 02/29/2008 91X4253 9153 09/30/2046 02006 4.989999600 23,844,460,492.7600 495,766,034.67 02/29/2008 91X4253 9153 09/30/2047 02007 4.970001600 16,970,299,180.8400 351,426,725.34 02/29/2008 91X4253 9153 09/30/2048 02008 4.830001200 4,645,995,729.0000 93,500,687.28 02/29/2008 ------------------------ ---------------------- 113,169,670,156.0800 2,469,239,519.23 ======================== ====================== 113,169,670,156.0800 2,469,239,519.23 ============================================================================================================================ TRANSACTIONS ============================================================================================================================ Security Number (Full) Effective Date Tran Code Shares/Par Income Memo Number ------------------------------- --------------- ----------- ------------------------ ---------------------- ------------- ======================== ====================== 0.0000 0.00