Percentages of Original Class Principal (or Class Notional) Balances
and Weighted Average Lives
Security Group 1
CPR Prepayment Assumption Rates
Classes AB and AC
Classes BC and BD
Class C
Class D
Distribution Date
0%
5%
15%
25%
40%
0%
5%
15%
25%
40%
0%
5%
15%
25%
40%
0%
5%
15%
25%
40%
Initial Percent ..................
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
June 2008 ..........................
91
86
77
67
52
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
June 2009 ..........................
78
61
28
0
0
100
100
100
94
11
100
100
100
100
100
100
100
100
100
100
June 2010 ..........................
66
35
0
0
0
100
100
58
0
0
100
100
100
72
0
100
100
100
100
77
June 2011 ..........................
54
10
0
0
0
100
100
0
0
0
100
100
83
0
0
100
100
100
94
0
June 2012 ..........................
44
0
0
0
0
100
77
0
0
0
100
100
29
0
0
100
100
100
32
0
June 2013 ..........................
34
0
0
0
0
100
40
0
0
0
100
100
0
0
0
100
100
85
0
0
June 2014 ..........................
26
0
0
0
0
100
7
0
0
0
100
100
0
0
0
100
100
47
0
0
June 2015 ..........................
19
0
0
0
0
100
0
0
0
0
100
81
0
0
0
100
100
15
0
0
June 2016 ..........................
12
0
0
0
0
100
0
0
0
0
100
59
0
0
0
100
100
0
0
0
June 2017 ..........................
5
0
0
0
0
100
0
0
0
0
100
38
0
0
0
100
100
0
0
0
June 2018 ..........................
0
0
0
0
0
96
0
0
0
0
100
18
0
0
0
100
100
0
0
0
June 2019 ..........................
0
0
0
0
0
82
0
0
0
0
100
0
0
0
0
100
99
0
0
0
June 2020 ..........................
0
0
0
0
0
68
0
0
0
0
100
0
0
0
0
100
80
0
0
0
June 2021 ..........................
0
0
0
0
0
54
0
0
0
0
100
0
0
0
0
100
62
0
0
0
June 2022 ..........................
0
0
0
0
0
40
0
0
0
0
100
0
0
0
0
100
46
0
0
0
June 2023 ..........................
0
0
0
0
0
25
0
0
0
0
100
0
0
0
0
100
30
0
0
0
June 2024 ..........................
0
0
0
0
0
10
0
0
0
0
100
0
0
0
0
100
14
0
0
0
June 2025 ..........................
0
0
0
0
0
0
0
0
0
0
96
0
0
0
0
100
0
0
0
0
June 2026 ..........................
0
0
0
0
0
0
0
0
0
0
83
0
0
0
0
100
0
0
0
0
June 2027 ..........................
0
0
0
0
0
0
0
0
0
0
69
0
0
0
0
100
0
0
0
0
June 2028 ..........................
0
0
0
0
0
0
0
0
0
0
55
0
0
0
0
100
0
0
0
0
June 2029 ..........................
0
0
0
0
0
0
0
0
0
0
39
0
0
0
0
100
0
0
0
0
June 2030 ..........................
0
0
0
0
0
0
0
0
0
0
24
0
0
0
0
100
0
0
0
0
June 2031 ..........................
0
0
0
0
0
0
0
0
0
0
8
0
0
0
0
100
0
0
0
0
June 2032 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
91
0
0
0
0
June 2033 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
0
0
0
0
June 2034 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
53
0
0
0
0
June 2035 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
0
0
0
0
June 2036 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
0
0
0
0
June 2037 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2038 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2039 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2040 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2041 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2042 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2043 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2044 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2045 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2046 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2047 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
June 2048 ..........................
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Weighted Average
Life (years) ..................
4.8
2.4
1.5
1.2
1.0
14.3
5.8
3.1
2.3
1.8
21.3
9.5
4.6
3.3
2.4
27.1
14.8
7.0
4.7
3.3
S-29