Security Group 6 PSA Prepayment Assumption Rates Classes FJ, FT, JI and MT Distribution Date 0% 100% 350% 500% 700% Initial Percent ..................    100 100 100 100 100 October 2008.................... 99 95 86 80 73 October 2009.................... 98 89 68 57 44 October 2010.................... 96 82 53 39 25 October 2011.................... 95 76 41 27 14 October 2012.................... 93 70 32 19 8 October 2013.................... 92 65 25 13 5 October 2014.................... 90 60 19 9 3 October 2015.................... 88 55 15 6 2 October 2016.................... 86 51 12 4 1 October 2017.................... 84 47 9 3 0 October 2018.................... 82 43 7 2 0 October 2019.................... 79 39 5 1 0 October 2020.................... 77 35 4 1 0 October 2021.................... 74 32 3 1 0 October 2022.................... 71 29 2 0 0 October 2023.................... 68 26 2 0 0 October 2024.................... 65 23 1 0 0 October 2025.................... 61 21 1 0 0 October 2026.................... 57 18 1 0 0 October 2027.................... 53 16 1 0 0 October 2028.................... 48 14 0 0 0 October 2029.................... 43 11 0 0 0 October 2030.................... 38 9 0 0 0 October 2031.................... 33 8 0 0 0 October 2032.................... 27 6 0 0 0 October 2033.................... 20 4 0 0 0 October 2034.................... 14 3 0 0 0 October 2035.................... 6 1 0 0 0 October 2036.................... 1 0 0 0 0 October 2037.................... 0 0 0 0 0 Weighted Average Life (years)  ..................   18.9 10.8 4.4 3.1 2.2 Security Group 7 PSA Prepayment Assumption Rates Classes FK and IK Distribution Date 0% 100% 237% 500% 700% Initial Percent ..................    100 100 100 100 100 October 2008.................... 98 91 81 61 46 October 2009.................... 96 82 64 34 16 October 2010.................... 94 74 50 16 0 October 2011.................... 91 66 38 3 0 October 2012.................... 89 59 28 0 0 October 2013.................... 86 52 19 0 0 October 2014.................... 83 45 12 0 0 October 2015.................... 80 39 6 0 0 October 2016.................... 77 33 1 0 0 October 2017.................... 73 28 0 0 0 October 2018.................... 70 23 0 0 0 October 2019.................... 66 18 0 0 0 October 2020.................... 62 14 0 0 0 October 2021.................... 57 10 0 0 0 October 2022.................... 52 6 0 0 0 October 2023.................... 47 2 0 0 0 October 2024.................... 42 0 0 0 0 October 2025.................... 36 0 0 0 0 October 2026.................... 29 0 0 0 0 October 2027.................... 23 0 0 0 0 October 2028.................... 16 0 0 0 0 October 2029.................... 8 0 0 0 0 October 2030.................... 0 0 0 0 0 October 2031.................... 0 0 0 0 0 October 2032.................... 0 0 0 0 0 October 2033.................... 0 0 0 0 0 October 2034.................... 0 0 0 0 0 October 2035.................... 0 0 0 0 0 October 2036.................... 0 0 0 0 0 October 2037.................... 0 0 0 0 0 Weighted Average Life (years)  ..................   14.3 6.9 3.5 1.6 1.1 S-29