Security Group 9
PSA Prepayment Assumption Rates
Class IH
Distribution Date
0%
75%
150%
250%
400%
Initial Percent .................. 100
100
100
100
100
May 2005 ..........................
96
88
80
79
79
May 2006 ..........................
92
72
55
51
33
May 2007 ..........................
88
58
38
32
19
May 2008 ..........................
83
48
22
19
10
May 2009 ..........................
78
38
12
12
0
May 2010 ..........................
73
27
1
1
0
May 2011 ..........................
67
9
0
0
0
May 2012 ..........................
62
0
0
0
0
May 2013 ..........................
58
0
0
0
0
May 2014 ..........................
54
0
0
0
0
May 2015 ..........................
49
0
0
0
0
May 2016 ..........................
44
0
0
0
0
May 2017 ..........................
38
0
0
0
0
May 2018 ..........................
32
0
0
0
0
May 2019 ..........................
19
0
0
0
0
May 2020 ..........................
7
0
0
0
0
May 2021 ..........................
0
0
0
0
0
May 2022 ..........................
0
0
0
0
0
May 2023 ..........................
0
0
0
0
0
May 2024 ..........................
0
0
0
0
0
May 2025 ..........................
0
0
0
0
0
May 2026 ..........................
0
0
0
0
0
May 2027 ..........................
0
0
0
0
0
May 2028 ..........................
0
0
0
0
0
May 2029 ..........................
0
0
0
0
0
May 2030 ..........................
0
0
0
0
0
May 2031 ..........................
0
0
0
0
0
May 2032 ..........................
0
0
0
0
0
May 2033 ..........................
0
0
0
0
0
May 2034 ..........................
0
0
0
0
0
Weighted Average
Life (years) ..................
9.9
3.9
2.6
2.4
1.9
Security Group 10
PSA Prepayment Assumption Rates
Class IG
Distribution Date
0%
75%
150%
250%
400%
Initial Percent .................. 100
100
100
100
100
May 2005 .......................... 100
100
100
100
100
May 2006 .......................... 100
100
100
100
100
May 2007 .......................... 100
100
100
100
100
May 2008 .......................... 100
100
100
100
100
May 2009 .......................... 100
100
100
100
98
May 2010 .......................... 100
100
100
100
67
May 2011 .......................... 100
100
100
99
44
May 2012 .......................... 100
100
98
86
26
May 2013 .......................... 100
100
82
66
13
May 2014 .......................... 100
100
61
49
3
May 2015 .......................... 100
99
43
34
0
May 2016 .......................... 100
98
27
22
0
May 2017 .......................... 100
96
12
13
0
May 2018 .......................... 100
83
2
4
0
May 2019 .......................... 100
67
0
0
0
May 2020 .......................... 100
53
0
0
0
May 2021 .......................... 100
39
0
0
0
May 2022 .......................... 100
25
0
0
0
May 2023 .......................... 100
12
0
0
0
May 2024 .......................... 100
0
0
0
0
May 2025 ..........................
98
0
0
0
0
May 2026 ..........................
91
0
0
0
0
May 2027 ..........................
67
0
0
0
0
May 2028 ..........................
42
0
0
0
0
May 2029 ..........................
15
0
0
0
0
May 2030 ..........................
0
0
0
0
0
May 2031 ..........................
0
0
0
0
0
May 2032 ..........................
0
0
0
0
0
May 2033 ..........................
0
0
0
0
0
May 2034 ..........................
0
0
0
0
0
Weighted Average
Life (years) .................. 23.6
16.3
10.8
10.2
7.0
S-32