Report Account Number Security Number (Full) Coupon Rate Shares/Par Accrued Income Gross Request Date ------------------------- ------------------------------- ------------------- ------------------------ ---------------------- --------------- 303 SUB-COHORT 12X4225 1225303 09/30/2034 01992 6.890000400 9,375,000.0000 376,796.90 04/30/2008 12X4225 1225303 09/30/2035 01992 6.890000400 10,000,000.0000 401,916.69 04/30/2008 12X4225 1225303 09/30/2044 01992 6.890000400 530,000.0000 21,301.58 04/30/2008 12X4225 1225303 09/30/2045 01992 6.890000400 1,729,000.0000 69,491.40 04/30/2008 12X4225 1225303 09/30/2046 01992 6.890000400 700,000.0000 28,134.17 04/30/2008 12X4225 1225303 09/30/2047 01992 6.890000400 2,400,000.0000 96,460.01 04/30/2008 12X4225 1225303 09/30/2035 01993 6.969999600 1,371,000.0000 55,742.57 04/30/2008 12X4225 1225303 09/30/2036 01993 6.969999600 25,000,000.0000 1,016,458.28 04/30/2008 12X4225 1225303 09/30/2039 01993 6.969999600 4,000,000.0000 162,633.32 04/30/2008 12X4225 1225303 09/30/2044 01993 6.969999600 1,200,000.0000 48,790.00 04/30/2008 12X4225 1225303 09/30/2045 01993 6.969999600 1,035,900.0000 42,117.97 04/30/2008 12X4225 1225303 09/30/2046 01993 6.969999600 63,000.0000 2,561.47 04/30/2008 12X4225 1225303 09/30/2047 01993 6.969999600 3,670,000.0000 149,216.07 04/30/2008 12X4225 1225303 09/30/2035 01994 6.969999600 29,207,000.0000 1,187,507.87 04/30/2008 12X4225 1225303 09/30/2036 01994 6.969999600 25,000,000.0000 1,016,458.28 04/30/2008 12X4225 1225303 09/30/2038 01994 6.969999600 2,500,000.0000 101,645.83 04/30/2008 12X4225 1225303 09/30/2045 01994 6.969999600 59,000.0000 2,398.84 04/30/2008 12X4225 1225303 09/30/2046 01994 6.969999600 2,775,000.0000 112,826.87 04/30/2008 12X4225 1225303 09/30/2047 01994 6.969999600 5,000,000.0000 203,291.66 04/30/2008 12X4225 1225303 09/30/2037 01995 6.609999600 47,685,000.0000 1,838,654.01 04/30/2008 12X4225 1225303 09/30/2038 01995 6.609999600 16,500,000.0000 636,212.46 04/30/2008 12X4225 1225303 09/30/2040 01995 6.609999600 1,000,000.0000 38,558.33 04/30/2008 12X4225 1225303 09/30/2041 01995 6.609999600 2,000,000.0000 77,116.66 04/30/2008 12X4225 1225303 09/30/2042 01995 6.609999600 2,000,000.0000 77,116.66 04/30/2008 12X4225 1225303 09/30/2044 01995 6.609999600 2,106,000.0000 81,203.85 04/30/2008 12X4225 1225303 09/30/2045 01995 6.609999600 1,330,000.0000 51,282.58 04/30/2008 12X4225 1225303 09/30/2046 01995 6.609999600 2,075,000.0000 80,008.54 04/30/2008 12X4225 1225303 09/30/2047 01995 6.609999600 7,379,000.0000 284,521.92 04/30/2008 12X4225 1225303 09/30/2048 01995 6.609999600 105,000.0000 4,048.62 04/30/2008 12X4225 1225303 09/30/2037 01996 6.369998400 539,000.0000 20,028.34 04/30/2008 12X4225 1225303 09/30/2038 01996 6.369998400 66,000,000.0000 2,452,449.38 04/30/2008 12X4225 1225303 09/30/2040 01996 6.369998400 8,000,000.0000 297,266.59 04/30/2008 12X4225 1225303 09/30/2041 01996 6.369998400 3,000,000.0000 111,474.97 04/30/2008 12X4225 1225303 09/30/2042 01996 6.369998400 2,000,000.0000 74,316.65 04/30/2008 12X4225 1225303 09/30/2043 01996 6.369998400 1,100,000.0000 40,874.16 04/30/2008 12X4225 1225303 09/30/2044 01996 6.369998400 3,525,000.0000 130,983.09 04/30/2008 12X4225 1225303 09/30/2045 01996 6.369998400 2,793,900.0000 103,816.64 04/30/2008 12X4225 1225303 09/30/2046 01996 6.369998400 4,437,000.0000 164,871.48 04/30/2008 12X4225 1225303 09/30/2047 01996 6.369998400 7,451,000.0000 276,866.67 04/30/2008 12X4225 1225303 09/30/2038 01997 6.009998400 14,567,000.0000 510,694.61 04/30/2008 12X4225 1225303 09/30/2039 01997 6.009998400 37,000,000.0000 1,297,157.99 04/30/2008 12X4225 1225303 09/30/2040 01997 6.009998400 8,000,000.0000 280,466.59 04/30/2008 12X4225 1225303 09/30/2041 01997 6.009998400 6,000,000.0000 210,349.94 04/30/2008 12X4225 1225303 09/30/2042 01997 6.009998400 1,000,000.0000 35,058.32 04/30/2008 12X4225 1225303 09/30/2044 01997 6.009998400 1,022,000.0000 35,829.61 04/30/2008 12X4225 1225303 09/30/2045 01997 6.009998400 50,870.0000 1,783.42 04/30/2008 12X4225 1225303 09/30/2046 01997 6.009998400 970,000.0000 34,006.57 04/30/2008 12X4225 1225303 09/30/2047 01997 6.009998400 4,600,000.0000 161,268.29 04/30/2008 12X4225 1225303 09/30/2037 01998 5.919998400 275,000.0000 9,496.66 04/30/2008 12X4225 1225303 09/30/2039 01998 5.919998400 27,820,000.0000 960,717.07 04/30/2008 12X4225 1225303 09/30/2040 01998 5.919998400 40,000,000.0000 1,381,332.96 04/30/2008 12X4225 1225303 09/30/2041 01998 5.919998400 25,000,000.0000 863,333.10 04/30/2008 12X4225 1225303 09/30/2042 01998 5.919998400 10,000,000.0000 345,333.24 04/30/2008 12X4225 1225303 09/30/2044 01998 5.919998400 600,000.0000 20,719.99 04/30/2008 12X4225 1225303 09/30/2045 01998 5.919998400 2,157,500.0000 74,505.65 04/30/2008 12X4225 1225303 09/30/2046 01998 5.919998400 3,746,000.0000 129,361.83 04/30/2008 12X4225 1225303 09/30/2047 01998 5.919998400 8,000,000.0000 276,266.59 04/30/2008 12X4225 1225303 09/30/2040 01999 5.900000400 22,560,000.0000 776,440.05 04/30/2008 12X4225 1225303 09/30/2041 01999 5.900000400 41,000,000.0000 1,411,083.43 04/30/2008 12X4225 1225303 09/30/2042 01999 5.900000400 16,000,000.0000 550,666.70 04/30/2008 12X4225 1225303 09/30/2043 01999 5.900000400 8,000,000.0000 275,333.35 04/30/2008 12X4225 1225303 09/30/2044 01999 5.900000400 3,000,000.0000 103,250.01 04/30/2008 12X4225 1225303 09/30/2045 01999 5.900000400 2,000,000.0000 68,833.34 04/30/2008 12X4225 1225303 09/30/2046 01999 5.900000400 715,000.0000 24,607.92 04/30/2008 12X4225 1225303 09/30/2047 01999 5.900000400 7,100,000.0000 244,358.35 04/30/2008 12X4225 1225303 09/30/2048 01999 5.900000400 28,000.0000 963.67 04/30/2008 12X4225 1225303 09/30/2041 02000 5.659999200 28,627,000.0000 945,167.98 04/30/2008 12X4225 1225303 09/30/2042 02000 5.659999200 59,500,000.0000 1,964,491.39 04/30/2008 12X4225 1225303 09/30/2043 02000 5.659999200 15,600,000.0000 515,059.93 04/30/2008 12X4225 1225303 09/30/2044 02000 5.659999200 4,500,000.0000 148,574.98 04/30/2008 12X4225 1225303 09/30/2045 02000 5.659999200 2,500,000.0000 82,541.66 04/30/2008 12X4225 1225303 09/30/2046 02000 5.659999200 4,046,000.0000 133,585.41 04/30/2008 12X4225 1225303 09/30/2047 02000 5.659999200 7,200,000.0000 237,719.97 04/30/2008 12X4225 1225303 09/30/2037 02001 5.010001200 4,129,000.0000 120,670.05 04/30/2008 12X4225 1225303 09/30/2042 02001 5.010001200 47,083,000.0000 1,376,001.00 04/30/2008 12X4225 1225303 09/30/2043 02001 5.010001200 72,000,000.0000 2,104,200.50 04/30/2008 12X4225 1225303 09/30/2044 02001 5.010001200 46,000,000.0000 1,344,350.32 04/30/2008 12X4225 1225303 09/30/2045 02001 5.010001200 29,140,000.0000 851,616.70 04/30/2008 12X4225 1225303 09/30/2046 02001 5.010001200 13,195,000.0000 385,623.97 04/30/2008 12X4225 1225303 09/30/2047 02001 5.010001200 10,761,000.0000 314,490.30 04/30/2008 12X4225 1225303 09/30/2048 02001 5.659999200 82,000.0000 2,707.37 04/30/2008 12X4225 1225303 09/30/2037 02002 4.870000800 5,803,000.0000 164,853.59 04/30/2008 12X4225 1225303 09/30/2043 02002 4.870000800 65,693,000.0000 1,866,228.95 04/30/2008 12X4225 1225303 09/30/2044 02002 4.870000800 82,000,000.0000 2,329,483.72 04/30/2008 12X4225 1225303 09/30/2045 02002 4.870000800 58,500,000.0000 1,661,887.77 04/30/2008 12X4225 1225303 09/30/2046 02002 4.870000800 55,382,000.0000 1,573,310.58 04/30/2008 12X4225 1225303 09/30/2047 02002 4.870000800 21,583,000.0000 613,137.16 04/30/2008 12X4225 1225303 09/30/2048 02002 4.870000800 8,055,000.0000 228,829.16 04/30/2008 12X4225 1225303 09/30/2037 02003 4.830001200 2,001,000.0000 56,378.19 04/30/2008 12X4225 1225303 09/30/2044 02003 4.830001200 54,726,000.0000 1,541,905.43 04/30/2008 12X4225 1225303 09/30/2045 02003 4.830001200 71,647,000.0000 2,018,654.73 04/30/2008 12X4225 1225303 09/30/2046 02003 4.830001200 40,725,000.0000 1,147,427.16 04/30/2008 12X4225 1225303 09/30/2047 02003 4.830001200 23,052,000.0000 649,490.26 04/30/2008 12X4225 1225303 09/30/2048 02003 4.830001200 1,954,000.0000 55,053.96 04/30/2008 12X4225 1225303 09/30/2037 02004 4.820000400 20,508,000.0000 576,616.65 04/30/2008 12X4225 1225303 09/30/2045 02004 4.820000400 104,115,000.0000 2,927,366.99 04/30/2008 12X4225 1225303 09/30/2046 02004 4.820000400 128,384,000.0000 3,609,730.43 04/30/2008 12X4225 1225303 09/30/2047 02004 4.820000400 69,539,000.0000 1,955,205.05 04/30/2008 12X4225 1225303 09/30/2048 02004 4.820000400 42,568,000.0000 1,196,870.37 04/30/2008 12X4225 1225303 09/30/2037 02005 5.079999600 53,926,000.0000 1,598,007.01 04/30/2008 12X4225 1225303 09/30/2045 02005 5.079999600 26,802,500.0000 794,247.35 04/30/2008 12X4225 1225303 09/30/2046 02005 5.079999600 133,563,000.0000 3,957,916.59 04/30/2008 12X4225 1225303 09/30/2047 02005 5.079999600 152,531,000.0000 4,520,001.61 04/30/2008 12X4225 1225303 09/30/2048 02005 5.079999600 56,501,000.0000 1,674,312.83 04/30/2008 12X4225 1225303 09/30/2037 02006 5.050000800 20,792,000.0000 612,497.76 04/30/2008 12X4225 1225303 09/30/2046 02006 5.050000800 26,378,000.0000 777,052.04 04/30/2008 12X4225 1225303 09/30/2047 02006 5.050000800 88,307,000.0000 2,601,377.45 04/30/2008 12X4225 1225303 09/30/2048 02006 5.050000800 62,923,000.0000 1,853,607.00 04/30/2008 12X4225 1225303 09/30/2037 02007 5.310000000 5,538,000.0000 171,539.55 04/30/2008 12X4225 1225303 09/30/2047 02007 5.310000000 29,097,000.0000 901,279.58 04/30/2008 12X4225 1225303 09/30/2048 02007 5.310000000 53,141,000.0000 1,646,042.48 04/30/2008 12X4225 1225303 09/30/2048 02008 5.310000000 7,572,000.0000 234,542.70 04/30/2008 ------------------------ ---------------------- 2,515,521,670.0000 78,062,296.26 ======================== ====================== 2,515,521,670.0000 78,062,296.26 ============================================================================================================================ TRANSACTIONS ============================================================================================================================ Security Number (Full) Effective Date Tran Code Shares/Par Income Memo Number ------------------------------- --------------- ----------- ------------------------ ---------------------- ------------- 12X4225 1225303 09/30/2037 01995 03/31/2008 INT + 0.0000 132,199.99 464436 1225303 09/30/2037 01996 03/31/2008 INT + 0.0000 127,399.96 464438 1225303 09/30/2042 02001 03/31/2008 INT + 0.0000 125,250.03 464440 1225303 09/30/2043 02002 03/31/2008 INT + 0.0000 121,750.02 464442 1225303 09/30/2044 02003 03/31/2008 INT + 0.0000 120,750.03 464444 1225303 09/30/2044 02004 03/31/2008 INT + 0.0000 75,071.50 464446 1225303 09/30/2045 02004 03/31/2008 INT + 0.0000 45,428.50 464448 1225303 09/30/2045 02005 03/31/2008 INT + 0.0000 126,999.99 464450 ------------------------ ---------------------- 0.0000 874,850.02 ======================== ====================== 0.0000 874,850.02