Schedule I

Subsequent Mortgage Loans

[Intentionally omitted]

Asset Backed Securities Portfolio Analysis
Fieldstone Mortgage Company
Mortgage Portfolio 2005-3 (Prefunding Only)
650 records
Balance: 103,380,107

Selection Criteria: Group 1
Table of Contents

Collateral Aggregate Summary
Origination Date
Maturity Date
Lien Position
Occupancy
Loan Type
Year Of Origination
Loan Purpose
Property Type
Lien
Range of Mortgage Rates
Original Term
Remaining Term To Stated Maturity
Range of Outstanding Mortgage Loan Principal Balances
Range of Outstanding Mortgage Loan Principal Balances
Product Type
Amortization Type
Loan Program
State Distribution of Mortgaged Properties
Range of Original Loan-to-Value Ratios
Range of Combined Loan-to-Value Ratios
Loan Purpose
Types of Mortgaged Property Types
Documentation Summary
Occupancy Types
Mortgage Loan Age (Months)
Original Prepayment Penalty Term
Range of Credit Scores
Credit Grade Summary
Range of Gross Margins
Range of Maximum Mortgage Rates
Next Rate Adjustment Date
Zip Code
Initial Interest Rate Cap
Periodic Rate Cap
Min Mortgage Rate
Months to Roll

1. Collateral Aggregate Summary

Aggregate Outstanding Principal Balance: $103,380,107.
Aggregate Original Principal Balance: $103,397,592.
Number Of Mortgage Loans: 650

Top

2. Origination Date

Earliest: 20041130
Latest: 20051130

Top

3. Maturity Date

Earliest: 20201101
Latest: 20351201

Top

4. Lien Position

Lien Position	Percent Of Mortgage Pool
2	1.28%
First Lien	98.72
Total:	100.00%

Top

5. Occupancy

Occupancy	Percent Of Mortgage Pool
Investment Property	1.51%
Primary Home	98.49
Total:	100.00%

Top

6. Loan Type

Loan Type	Percent Of Mortgage Pool
ARM	88.97%
FIXED	11.03
Total:	100.00%

Top

7. Year Of Origination

Year Of Origination	Percent Of Mortgage Pool
2004	0.23%
2005	99.77
Total:	100.00%

Top

8. Loan Purpose

Loan Purpose	Percent Of Mortgage Pool
Purchase	38.40%
Refinance - Cashout	11.13
Refinance - Rate/Term	50.47
Total:	100.00%

Top

9. Property Type

Property Type	Percent Of Mortgage Pool
Condominium	7.69%
Planned Unit Development	14.78
Single Family Attached	0.56
Single Family Detached	68.78
Townhouse	0.21
Two-to-Four Family	7.98
Total:	100.00%

Top

10. Lien

Lien	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
1	617	$102,051,908.22	98.72%	7.608%	633	$165,400.18	80.28%	60.03%
2	33	1,328,198.90	1.28	10.172	717	40,248.45	99.66	48.45
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

11. Range of Mortgage Rates

Range of Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6.001% to 6.500%	21	$4,361,056.80	4.22%	6.453%	647	$207,669.37	77.97%	84.77%
6.501% to 7.000%	152	27,840,613.81	26.93	6.828	645	183,161.93	80.05	74.61
7.001% to 7.500%	135	24,108,057.21	23.32	7.315	647	178,578.20	80.39	53.39
7.501% to 8.000%	137	21,024,479.17	20.34	7.804	633	153,463.35	79.43	53.32
8.001% to 8.500%	68	10,742,638.27	10.39	8.325	614	157,979.97	81.23	50.62
8.501% to 9.000%	54	7,400,404.35	7.16	8.745	615	137,044.52	82.04	49.21
9.001% to 9.500%	28	3,534,886.47	3.42	9.312	588	126,245.95	83.66	50.94
9.501% to 10.000%	31	2,669,228.13	2.58	9.872	598	86,104.13	83.46	52.65
10.001% to 10.500%	13	1,149,341.77	1.11	10.324	572	88,410.91	85.57	74.71
10.501% to 11.000%	9	447,851.14	0.43	10.757	661	49,761.24	93.65	46.03
11.001% to 11.500%	2	101,550.00	0.10	11.140	720	50,775.00	96.48	0.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum Mortgage Rate: 11.140%
Minimum Mortgage Rate: 6.250%
WA Mortgage Rate: 7.641%

Top

12. Original Term

Original Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	33	$1,328,198.90	1.28%	10.172%	717	$40,248.45	99.66%	48.45%
349 - 360	617	102,051,908.22	98.72	7.608	633	165,400.18	80.28	60.03
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum Original Term: 360
Minimum Original Term: 180
WA Original Term: 358

Top

13. Remaining Term To Stated Maturity

Remaining Term To Stated Maturity	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	33	$1,328,198.90	1.28%	10.172%	717	$40,248.45	99.66%	48.45%
337 - 348	1	240,000.00	0.23	8.750	578	240,000.00	87.28	100.00
349 - 360	616	101,811,908.22	98.48	7.605	633	165,279.07	80.26	59.93
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum Remaining Term: 360
Minimum Remaining Term: 179
WA Remaining Term: 357

Top

14. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	26	$885,863.56	0.86%	9.798%	706	$34,071.68	94.49%	64.09%
$50,000.01 to $100,000.00	138	10,893,612.77	10.54	8.374	618	78,939.22	79.03	77.66
$100,000.01 to $150,000.00	193	23,913,964.30	23.13	7.537	626	123,906.55	79.88	76.37
$150,000.01 to $200,000.00	123	21,290,384.47	20.59	7.531	634	173,092.56	79.64	71.53
$200,000.01 to $250,000.00	68	15,246,765.45	14.75	7.610	635	224,217.14	79.84	53.59
$250,000.01 to $300,000.00	46	12,400,641.33	12.00	7.596	627	269,579.16	82.22	56.24
$300,000.01 to $350,000.00	45	14,503,927.03	14.03	7.461	652	322,309.49	81.32	24.24
$350,000.01 to $400,000.00	7	2,522,552.11	2.44	7.173	658	360,364.59	83.99	28.57
$400,000.01 to $450,000.00	3	1,270,700.00	1.23	7.298	679	423,566.67	86.76	0.00
$450,000.01 to $500,000.00	1	451,696.10	0.44	7.990	639	451,696.10	80.00	0.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum Remaining Balance: $451,696.10
Minimum Remaining Balance: $19,991.13
Average Remaining Balance: $159,046.32

Top

15. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	26	$885,863.56	0.86%	9.798%	706	$34,071.68	94.49%	64.09%
$50,000.01 to $75,000.00	53	3,327,206.51	3.22	8.922	624	62,777.48	81.16	77.76
$75,000.01 to $100,000.00	85	7,566,406.26	7.32	8.133	616	89,016.54	78.09	77.62
$100,000.01 to $125,000.00	111	12,596,227.74	12.18	7.529	626	113,479.53	79.57	77.86
$125,000.01 to $150,000.00	82	11,317,736.56	10.95	7.545	626	138,021.18	80.22	74.71
$150,000.01 to $175,000.00	70	11,333,154.36	10.96	7.628	635	161,902.21	79.68	68.16
$175,000.01 to $200,000.00	53	9,957,230.11	9.63	7.420	632	187,872.27	79.58	75.35
$200,000.01 to $225,000.00	40	8,603,436.20	8.32	7.559	633	215,085.91	79.22	64.99
$225,000.01 to $250,000.00	28	6,643,329.25	6.43	7.677	638	237,261.76	80.64	38.82
$250,000.01 to $275,000.00	33	8,684,543.79	8.40	7.629	621	263,167.99	81.81	60.43
$275,000.01 to $300,000.00	13	3,716,097.54	3.59	7.519	640	285,853.66	83.17	46.45
$300,000.01 to $325,000.00	28	8,753,196.67	8.47	7.448	649	312,614.17	80.47	28.51
$325,000.01 to $350,000.00	17	5,750,730.36	5.56	7.480	657	338,278.26	82.62	17.75
$350,000.01 to $375,000.00	7	2,522,552.11	2.44	7.173	658	360,364.59	83.99	28.57
$400,000.01 to $425,000.00	2	834,200.00	0.81	7.323	671	417,100.00	85.07	0.00
$425,000.01 to $450,000.00	1	436,500.00	0.42	7.250	696	436,500.00	90.00	0.00
$450,000.01 to $475,000.00	1	451,696.10	0.44	7.990	639	451,696.10	80.00	0.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum Remaining Balance: $451,696.10
Minimum Remaining Balance: $19,991.13
Average Remaining Balance: $159,046.32

Top

16. Product Type

Product Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2/28 LIBOR ARM	286	$39,862,132.28	38.56%	7.974%	611	$139,378.08	79.69%	62.05%
2/28 LIBOR IO ARM	244	48,701,583.24	47.11	7.306	649	199,596.65	81.07	52.84
30/15 BALLOON	33	1,328,198.90	1.28	10.172	717	40,248.45	99.66	48.45
3/27 LIBOR ARM	7	865,406.68	0.84	7.514	619	123,629.53	76.48	90.76
3/27 LIBOR IO ARM	6	1,514,100.00	1.46	7.801	648	252,350.00	82.76	58.75
5/1 TREASURY IO ARM	6	1,029,955.86	1.00	7.498	651	171,659.31	81.63	80.12
Fixed	49	7,084,052.03	6.85	7.629	630	144,572.49	78.13	77.81
Fixed IO	19	2,994,678.13	2.90	7.563	654	157,614.64	79.64	92.74
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

17. Amortization Type

Amortization Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
30/15 Balloon	33	$1,328,198.90	1.28%	10.172%	717	$40,248.45	99.66%	48.45%
5 Year IO	275	54,240,317.23	52.47	7.337	650	197,237.52	81.05	55.73
Fully Amortizing	342	47,811,590.99	46.25	7.914	614	139,799.97	79.40	64.90
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

18. Loan Program

Loan Program	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
High Street	273	$37,465,742.62	36.24%	7.628%	624	$137,237.15	80.39%	74.19%
Main Street	70	10,330,961.31	9.99	8.548	572	147,585.16	79.79	77.31
Wall Street	307	55,583,403.18	53.77	7.481	652	181,053.43	80.75	46.99
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

19. State Distribution of Mortgaged Properties

State Distribution of Mortgaged Properties	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Arizona	58	$9,833,481.78	9.51%	7.521%	626	$169,542.79	78.94%	79.39%
Arkansas	1	84,000.00	0.08	8.000	611	84,000.00	70.00	0.00
California	71	17,969,068.26	17.38	7.228	644	253,085.47	78.53	34.91
Colorado	40	5,885,356.98	5.69	7.131	634	147,133.92	80.76	84.71
Connecticut	5	1,041,600.00	1.01	8.112	665	208,320.00	68.46	19.99
Florida	34	5,418,047.21	5.24	7.976	622	159,354.33	78.58	45.49
Georgia	17	1,960,662.33	1.90	7.480	627	115,333.08	82.48	82.77
Idaho	5	522,340.37	0.51	7.663	603	104,468.07	80.77	100.00
Illinois	66	11,490,145.83	11.11	8.156	620	174,093.12	81.83	54.36
Indiana	4	260,811.42	0.25	8.503	604	65,202.86	80.36	100.00
Iowa	21	2,462,279.52	2.38	8.416	609	117,251.41	80.83	71.36
Kansas	10	988,330.06	0.96	7.556	612	98,833.01	82.93	100.00
Louisiana	1	59,401.00	0.06	8.750	551	59,401.00	83.08	100.00
Maryland	12	2,277,244.04	2.20	8.071	633	189,770.34	82.63	67.22
Massachusetts	16	3,776,803.47	3.65	8.034	660	236,050.22	81.40	31.61
Michigan	16	2,088,263.67	2.02	8.017	632	130,516.48	81.75	46.95
Minnesota	21	3,537,937.11	3.42	7.521	665	168,473.20	82.19	32.81
Mississippi	1	118,750.00	0.11	7.800	633	118,750.00	95.00	100.00
Missouri	30	2,922,543.06	2.83	8.394	595	97,418.10	82.97	79.07
Nebraska	5	433,793.75	0.42	8.508	640	86,758.75	71.43	66.46
Nevada	21	3,679,220.69	3.56	7.122	658	175,200.99	80.91	85.93
New Hampshire	3	567,531.05	0.55	7.510	627	189,177.02	82.25	69.01
New Jersey	5	778,600.00	0.75	8.522	616	155,720.00	77.82	47.59
New Mexico	3	337,300.56	0.33	8.578	578	112,433.52	76.17	100.00
North Carolina	8	890,153.92	0.86	8.099	634	111,269.24	83.94	87.43
Oklahoma	2	202,948.36	0.20	7.483	622	101,474.18	79.08	33.43
Oregon	28	4,077,524.00	3.94	7.156	643	145,625.86	80.58	88.85
Pennsylvania	2	225,750.00	0.22	8.047	608	112,875.00	84.57	100.00
Rhode Island	3	459,200.00	0.44	7.293	641	153,066.67	78.92	43.55
South Carolina	1	77,400.00	0.07	7.350	683	77,400.00	90.00	100.00
Tennessee	7	610,104.69	0.59	7.898	615	87,157.81	82.60	81.53
Texas	57	5,495,526.90	5.32	7.698	632	96,412.75	81.00	71.92
Utah	6	661,800.00	0.64	7.598	637	110,300.00	85.22	66.76
Vermont	1	333,000.00	0.32	8.650	609	333,000.00	90.00	0.00
Washington	57	9,677,099.14	9.36	7.409	642	169,773.67	82.51	57.23
Virginia	10	1,938,639.91	1.88	7.722	636	193,863.99	79.64	69.43
Wisconsin	1	113,928.04	0.11	8.300	573	113,928.04	83.22	100.00
Wyoming	1	123,520.00	0.12	7.500	625	123,520.00	80.00	0.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

20. Range of Original Loan-to-Value Ratios

Range of Original Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
50.00% or less	11	$1,316,427.50	1.27%	7.702%	578	$119,675.23	40.52%	79.11%
50.01% to 55.00%	6	1,327,746.25	1.28	7.584	591	221,291.04	53.56	57.75
55.01% to 60.00%	8	1,135,795.08	1.10	7.699	611	141,974.39	58.51	72.18
60.01% to 65.00%	9	1,222,607.04	1.18	7.529	593	135,845.23	62.55	92.03
65.01% to 70.00%	22	3,264,127.29	3.16	8.073	599	148,369.42	68.09	65.27
70.01% to 75.00%	42	5,777,067.91	5.59	8.078	600	137,549.24	74.19	65.44
75.01% to 80.00%	342	56,552,336.55	54.70	7.360	644	165,357.71	79.79	59.14
80.01% to 85.00%	81	14,250,719.08	13.78	7.760	626	175,934.80	84.66	60.88
85.01% to 90.00%	79	14,475,345.11	14.00	7.970	629	183,232.22	89.65	50.21
90.01% to 95.00%	19	2,821,277.61	2.73	8.511	655	148,488.30	94.42	78.16
95.01% to 100.00%	31	1,236,657.71	1.20	10.119	717	39,892.18	100.00	52.04
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum LTV: 100.00
Minimum LTV: 18.52
WA LTV: 80.53

Top

21. Range of Combined Loan-to-Value Ratios

Range of Combined Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
<= 50.00%	11	$1,316,427.50	1.27%	7.702%	578	$119,675.23	40.52%	79.11%
50.01% - 55.00%	6	1,327,746.25	1.28	7.584	591	221,291.04	53.56	57.75
55.01% - 60.00%	8	1,135,795.08	1.10	7.699	611	141,974.39	58.51	72.18
60.01% - 65.00%	8	1,111,708.66	1.08	7.527	589	138,963.58	62.36	91.23
65.01% - 70.00%	20	3,018,302.09	2.92	8.102	597	150,915.10	68.22	62.45
70.01% - 75.00%	27	4,539,701.42	4.39	8.030	599	168,137.09	74.14	62.67
75.01% - 80.00%	52	9,852,482.40	9.53	7.938	616	189,470.82	79.07	48.64
80.01% - 85.00%	47	7,884,922.60	7.63	7.955	608	167,764.31	84.17	76.72
85.01% - 90.00%	76	14,315,521.08	13.85	7.979	629	188,362.12	88.26	50.63
90.01% - 95.00%	41	7,571,351.08	7.32	7.795	650	184,667.10	86.18	61.00
95.01% - 100.00%	354	51,306,148.97	49.63	7.357	650	144,932.62	81.15	60.07
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum CLTV: 100.00
Minimum CLTV: 18.52
WA CLTV: 90.66

Top

22. Loan Purpose

Loan Purpose	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Purchase	298	$39,695,948.02	38.40%	7.534%	646	$133,207.88	81.24%	60.33%
Refinance - Cashout	64	11,509,869.03	11.13	7.731	632	179,841.70	79.12	55.24
Refinance - Rate/Term	288	52,174,290.07	50.47	7.702	625	181,160.73	80.30	60.56
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

23. Types of Mortgaged Property Types

Types of Mortgaged Property Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Condominium	48	$7,950,089.56	7.69%	7.621%	633	$165,626.87	80.01%	55.23%
Planned Unit Development	91	15,277,085.53	14.78	7.519	630	167,880.06	80.97	71.05
Single Family Attached	5	579,433.41	0.56	7.981	624	115,886.68	81.57	73.77
Single Family Detached	470	71,102,797.03	68.78	7.655	633	151,282.55	80.25	61.02
Townhouse	2	221,760.00	0.21	7.704	603	110,880.00	90.00	100.00
Two-to-Four Family	34	8,248,941.59	7.98	7.738	657	242,615.93	82.26	31.73
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

24. Documentation Summary

Documentation Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12 Month Bank Statements	21	$3,131,758.56	3.03%	7.710%	640	$149,131.36	81.25%	0.00%
24 Month Bank Statements	11	2,651,371.19	2.56	7.440	611	241,033.74	84.83	0.00
Full Documentation	434	61,900,694.03	59.88	7.520	618	142,628.33	80.02	100.00
Limited Documentation	1	159,870.00	0.15	7.800	669	159,870.00	80.00	0.00
Stated Income Self-Employed	56	12,442,334.96	12.04	7.770	651	222,184.55	80.40	0.00
Stated Income Wage Earner	127	23,094,078.38	22.34	7.905	669	181,843.14	81.37	0.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

25. Occupancy Types

Occupancy Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Investment Property	11	$1,564,212.69	1.51%	8.252%	674	$142,201.15	79.26%	43.37%
Primary Home	639	101,815,894.43	98.49	7.631	633	159,336.30	80.55	60.13
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

26. Mortgage Loan Age (Months)

Mortgage Loan Age (Months)	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
0	228	$29,494,531.00	28.53%	8.029%	621	$129,361.98	80.21%	63.46%
1	420	73,271,576.12	70.88	7.482	639	174,456.13	80.61	58.61
4	1	374,000.00	0.36	7.375	641	374,000.00	85.00	0.00
12	1	240,000.00	0.23	8.750	578	240,000.00	87.28	100.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Minimum Seasoning: 0
Maximum Seasoning: 12
WA Seasoning: 1

Top

27. Original Prepayment Penalty Term

Original Prepayment Penalty Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6 Months	10	$988,330.06	0.96%	7.556%	612	$98,833.01	82.93%	100.00%
12 Months	12	2,400,005.81	2.32	7.943	653	200,000.48	80.16	38.46
24 Months	411	66,669,091.04	64.49	7.445	635	162,211.90	80.35	59.10
36 Months	66	9,914,375.09	9.59	7.498	639	150,217.80	78.16	81.09
None	151	23,408,305.12	22.64	8.231	629	155,021.89	81.98	53.60
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Minimum Prepayment Penalty Term: 0
Maximum Prepayment Penalty Term: 36
WA Prepayment Penalty Term: 25

Top

28. Range of Credit Scores

Range of Credit Scores	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
501 to 525	6	$903,969.22	0.87%	9.898%	519	$150,661.54	77.41%	100.00%
526 to 550	34	4,811,440.38	4.65	8.867	542	141,512.95	74.05	74.17
551 to 575	47	7,004,319.50	6.78	8.395	565	149,028.07	75.41	65.44
576 to 600	87	13,097,435.12	12.67	7.667	590	150,545.23	79.90	82.89
601 to 625	129	20,092,102.36	19.44	7.574	612	155,752.73	80.91	74.70
626 to 650	121	20,843,357.86	20.16	7.368	638	172,259.16	80.86	72.45
651 to 675	83	14,470,426.97	14.00	7.335	663	174,342.49	81.30	44.15
676 to 700	71	11,699,705.45	11.32	7.368	686	164,784.58	81.94	30.40
701 to 725	47	7,218,396.96	6.98	7.786	713	153,582.91	84.16	18.43
726 to 750	14	2,432,968.93	2.35	7.461	736	173,783.50	82.95	11.80
751 to 775	10	782,784.36	0.76	8.126	760	78,278.44	84.74	37.12
776 to 800	1	23,200.00	0.02	10.000	788	23,200.00	100.00	100.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Maximum FICO: 788
Minimum FICO: 511
WA FICO: 634

Top

29. Credit Grade Summary

Credit Grade Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
A	601	$95,649,430.08	92.52%	7.554%	639	$159,150.47	81.10%	58.82%
A-	18	2,835,107.91	2.74	8.538	576	157,506.00	77.82	80.04
B	19	3,195,426.54	3.09	8.671	578	168,180.34	72.26	65.08
C	11	1,616,179.83	1.56	9.030	547	146,925.44	68.85	74.46
D	1	83,962.76	0.08	9.990	646	83,962.76	57.15	100.00
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

30. Range of Gross Margins

Range of Gross Margins	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
3.001% to 3.500%	1	$168,000.00	0.18%	7.250%	691	$168,000.00	80.00%	100.00%
3.501% to 4.000%	4	611,107.46	0.66	7.124	651	152,776.87	80.00	100.00
4.501% to 5.000%	1	214,200.00	0.23	8.300	601	214,200.00	90.00	0.00
5.001% to 5.500%	98	16,087,469.22	17.49	7.583	606	164,157.85	81.02	79.36
5.501% to 6.000%	292	53,527,404.39	58.20	7.529	638	183,313.03	80.50	53.71
6.001% to 6.500%	153	21,364,996.99	23.23	7.831	637	139,640.50	79.87	49.94
Total:	549	$91,973,178.06	100.00%	7.607%	632	$167,528.56	80.46%	57.59%

Maximum Gross Margin: 6.250%
Minimum Gross Margin: 3.400%
WA Gross Margin: 5.835%

Top

31. Range of Maximum Mortgage Rates

Range of Maximum Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12.001 to 12.500	21	$4,361,056.80	4.74%	6.453%	647	$207,669.37	77.97%	84.77%
12.501 to 13.000	137	25,008,175.79	27.19	6.816	643	182,541.43	80.36	73.01
13.001 to 13.500	121	22,042,129.32	23.97	7.317	647	182,166.36	80.51	50.67
13.501 to 14.000	116	18,084,892.72	19.66	7.801	635	155,904.25	79.83	50.08
14.001 to 14.500	57	9,235,522.85	10.04	8.333	614	162,026.72	81.62	46.02
14.501 to 15.000	47	6,774,474.42	7.37	8.751	613	144,137.75	81.21	45.12
15.001 to 15.500	25	3,368,964.67	3.66	9.305	585	134,758.59	83.47	48.52
15.501 to 16.000	13	1,939,286.23	2.11	9.871	553	149,175.86	77.29	50.35
16.001 to 16.500	11	1,089,675.27	1.18	10.321	564	99,061.39	84.78	73.32
16.501 to 17.000	1	69,000.00	0.08	10.550	514	69,000.00	75.00	100.00
Total:	549	$91,973,178.06	100.00%	7.607%	632	$167,528.56	80.46%	57.59%

Maximum Max Rate: 16.550%
Minimum Max Rate: 12.250%
WA Max Rate: 13.607%

Top

32. Next Rate Adjustment Date

Next Rate Adjustment Date	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2006-12	1	$240,000.00	0.26%	8.750%	578	$240,000.00	87.28%	100.00%
2007-08	1	374,000.00	0.41	7.375	641	374,000.00	85.00	0.00
2007-11	370	66,302,733.52	72.09	7.463	639	179,196.58	80.59	56.47
2007-12	158	21,646,982.00	23.54	8.035	613	137,006.22	79.86	59.08
2008-11	9	1,969,706.68	2.14	7.729	644	218,856.30	82.70	68.29
2008-12	4	409,800.00	0.45	7.539	609	102,450.00	69.77	80.48
2010-11	4	747,805.86	0.81	7.335	656	186,951.47	82.57	100.00
2010-12	2	282,150.00	0.31	7.931	639	141,075.00	79.11	27.43
Total:	549	$91,973,178.06	100.00%	7.607%	632	$167,528.56	80.46%	57.59%

Top

33. Zip Code

Zip Code	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
98042	3	$890,600.00	0.86%	7.376%	666	$296,866.67	86.97%	0.00%
92376	3	819,298.16	0.79	7.235	663	273,099.39	83.46	0.00
60629	4	781,800.00	0.76	7.753	672	195,450.00	80.80	30.29
60630	2	756,500.00	0.73	7.880	658	378,250.00	85.77	0.00
92503	2	652,800.00	0.63	6.929	655	326,400.00	85.21	0.00
60107	3	642,200.00	0.62	7.495	661	214,066.67	83.34	66.65
85323	3	600,750.00	0.58	7.855	642	200,250.00	78.30	65.92
01604	2	585,692.23	0.57	8.076	720	292,846.12	90.00	0.00
85326	3	559,400.48	0.54	7.636	633	186,466.83	75.19	100.00
89108	2	559,000.00	0.54	7.206	620	279,500.00	84.35	100.00
Other	623	96,532,066.25	93.38	7.648	632	154,947.14	80.31	61.87
Total:	650	$103,380,107.12	100.00%	7.641%	634	$159,046.32	80.53%	59.88%

Top

34. Initial Interest Rate Cap

Minimum: 2.000%
Maximum: 3.000%
WA: 2.989%

Top

35. Periodic Rate Cap

Minimum: 1.000%
Maximum: 1.000%
WA: 1.000%

Top

36. Min Mortgage Rate

Minimum: 6.250%
Maximum: 10.550%
WA: 7.607%

Top

37. Months to Roll

Minimum: 12
Maximum: 60
WA: 24

Top

Credit Suisse First Boston
11 Madison Avenue
New York, New York 10010
www.csfb.com
Jan 3, 2006 09:27

Disclaimer:This material is provided to you solely for informational purposes, is intended for your use only and does not constitute an offer or commitment, a solicitation of an offer or commitment, or any advice or recommendation, to enter into or conclude any transaction (whether on the indicative terms shown or otherwise). This material has been prepared by CSFB based on assumptions and parameters determined by it in good faith. It is important that you (recipient) understand that those assumptions and parameters are not the only ones that might reasonably have been selected or that could apply in connection with the preparation of these materials or an assessment of the transaction described above. A variety of other or additional assumptions or parameters, or other market factors and other considerations, could result in different contemporaneous good faith analyses or assessment of the transaction described above. Past performance should not be taken as an indication or guarantee of future performance, and no representation or warranty, express or implied is made regarding future performance. Opinions and estimates may be changed without notice. The information set forth above has been obtained from or based upon sources believed by CSFB to be reliable, but CSFB does not represent or warrant its accuracy or completeness. This material does not purport to contain all of the information that an interested party may desire. In all cases, interested parties should conduct their own investigation and analysis of the transaction(s) described in these materials and of the data set forth in them. Each person receiving these materials should make an independent assessment of the merits of pursuing a transaction described in these materials and should consult their own professional advisors. CSFB may, from time to time, participate or invest in other financing transactions with the issuers of the securities referred to herein, perform services for or solicit business from such issuers, and/or have a position or effect transactions in the securities or derivatives thereof. Structured securities are complex instruments, typically involve a high degree of risk and are intended for sale only to sophisticated investors who are capable of understanding and assuming the risks involved. The market value of any structured security may be affected by changes in economic, financial and political factors (including, but not limited to, spot and forward interest and exchange rates), time to maturity, market conditions and volatility and the credit quality of any issuer or reference issuer. Any investor interested in purchasing a structured product should conduct its own investigation and analysis of the product and consult with its own professional advisers as to the risks involved in making such a purchase.

Asset Backed Securities Portfolio Analysis
Fieldstone Mortgage Company
Mortgage Portfolio 2005-3 (Prefunding Only)
861 records
Balance: 186,419,151

Selection Criteria: Group 2
Table of Contents

Collateral Aggregate Summary
Origination Date
Maturity Date
Lien Position
Occupancy
Loan Type
Year Of Origination
Loan Purpose
Property Type
Lien
Range of Mortgage Rates
Original Term
Remaining Term To Stated Maturity
Range of Outstanding Mortgage Loan Principal Balances
Range of Outstanding Mortgage Loan Principal Balances
Product Type
Amortization Type
Loan Program
State Distribution of Mortgaged Properties
Range of Original Loan-to-Value Ratios
Range of Combined Loan-to-Value Ratios
Loan Purpose
Types of Mortgaged Property Types
Documentation Summary
Occupancy Types
Mortgage Loan Age (Months)
Original Prepayment Penalty Term
Range of Credit Scores
Credit Grade Summary
Range of Gross Margins
Range of Maximum Mortgage Rates
Next Rate Adjustment Date
Zip Code
Initial Interest Rate Cap
Periodic Rate Cap
Min Mortgage Rate
Months to Roll

1. Collateral Aggregate Summary

Aggregate Outstanding Principal Balance: $186,419,151.
Aggregate Original Principal Balance: $186,447,696.
Number Of Mortgage Loans: 861

Top

2. Origination Date

Earliest: 20050728
Latest: 20051130

Top

3. Maturity Date

Earliest: 20201101
Latest: 20351201

Top

4. Lien Position

Lien Position	Percent Of Mortgage Pool
2	1.75%
First Lien	98.25
Total:	100.00%

Top

5. Occupancy

Occupancy	Percent Of Mortgage Pool
Investment Property	1.94%
Primary Home	98.06
Total:	100.00%

Top

6. Loan Type

Loan Type	Percent Of Mortgage Pool
ARM	90.69%
FIXED	9.31
Total:	100.00%

Top

7. Year Of Origination

Year Of Origination	Percent Of Mortgage Pool
2005	100.00%
Total:	100.00%

Top

8. Loan Purpose

Loan Purpose	Percent Of Mortgage Pool
Purchase	65.98%
Refinance - Cashout	8.13
Refinance - Rate/Term	25.89
Total:	100.00%

Top

9. Property Type

Property Type	Percent Of Mortgage Pool
Condominium	6.25%
Planned Unit Development	16.58
Single Family Attached	0.36
Single Family Detached	69.09
Townhouse	0.06
Two-to-Four Family	7.66
Total:	100.00%

Top

10. Lien

Lien	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
1	804	$183,158,443.48	98.25%	7.418%	652	$227,809.01	81.65%	34.55%
2	57	3,260,707.48	1.75	10.267	727	57,205.39	99.46	12.96
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

11. Range of Mortgage Rates

Range of Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6.001% to 6.500%	29	$8,916,661.71	4.78%	6.450%	680	$307,471.09	82.39%	49.59%
6.501% to 7.000%	215	65,124,690.92	34.93	6.848	679	302,905.54	81.65	24.48
7.001% to 7.500%	202	47,495,523.92	25.48	7.306	650	235,126.36	81.04	37.71
7.501% to 8.000%	173	33,820,632.48	18.14	7.784	639	195,494.99	82.00	35.53
8.001% to 8.500%	73	12,143,891.39	6.51	8.301	619	166,354.68	82.66	50.32
8.501% to 9.000%	58	9,305,291.62	4.99	8.775	603	160,436.06	83.69	36.97
9.001% to 9.500%	27	2,987,190.53	1.60	9.337	596	110,636.69	83.22	55.56
9.501% to 10.000%	34	3,027,908.22	1.62	9.845	623	89,056.12	85.58	26.08
10.001% to 10.500%	21	1,529,015.11	0.82	10.327	640	72,810.24	89.05	40.76
10.501% to 11.000%	22	1,790,713.86	0.96	10.818	607	81,396.08	84.48	42.17
11.001% to 11.500%	7	277,631.18	0.15	11.276	719	39,661.60	100.00	13.15
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum Mortgage Rate: 11.350%
Minimum Mortgage Rate: 6.250%
WA Mortgage Rate: 7.468%

Top

12. Original Term

Original Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	57	$3,260,707.48	1.75%	10.267%	727	$57,205.39	99.46%	12.96%
229 - 240	1	75,120.00	0.04	9.450	583	75,120.00	80.00	0.00
349 - 360	803	183,083,323.48	98.21	7.417	652	227,999.16	81.66	34.57
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum Original Term: 360
Minimum Original Term: 180
WA Original Term: 357

Top

13. Remaining Term To Stated Maturity

Remaining Term To Stated Maturity	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	57	$3,260,707.48	1.75%	10.267%	727	$57,205.39	99.46%	12.96%
229 - 240	1	75,120.00	0.04	9.450	583	75,120.00	80.00	0.00
349 - 360	803	183,083,323.48	98.21	7.417	652	227,999.16	81.66	34.57
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum Remaining Term: 360
Minimum Remaining Term: 179
WA Remaining Term: 356

Top

14. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	35	$1,292,366.92	0.69%	10.066%	707	$36,924.77	95.64%	40.05%
$50,000.01 to $100,000.00	175	13,823,048.39	7.42	8.387	631	78,988.85	81.69	64.70
$100,000.01 to $150,000.00	194	24,079,164.80	12.92	7.817	624	124,119.41	80.27	65.32
$150,000.01 to $200,000.00	104	18,051,930.94	9.68	7.467	629	173,576.26	80.01	60.51
$200,000.01 to $250,000.00	74	16,657,222.82	8.94	7.651	636	225,097.61	81.75	38.27
$250,000.01 to $300,000.00	50	13,622,107.19	7.31	7.461	646	272,442.14	81.74	29.85
$300,000.01 to $350,000.00	51	16,515,697.84	8.86	7.373	653	323,837.21	81.07	27.25
$350,000.01 to $400,000.00	61	22,957,067.10	12.31	7.097	671	376,345.36	82.87	17.87
$400,000.01 to $450,000.00	38	16,164,870.24	8.67	7.269	677	425,391.32	83.66	13.47
$450,000.01 to $500,000.00	32	15,179,395.40	8.14	7.227	657	474,356.11	82.44	22.05
$500,000.01 to $550,000.00	17	8,901,626.62	4.78	7.019	687	523,625.10	82.33	0.00
$550,000.01 to $600,000.00	13	7,504,462.80	4.03	7.169	691	577,266.37	81.68	22.93
$600,000.01 to $650,000.00	5	3,140,655.00	1.68	7.327	659	628,131.00	88.63	19.62
$650,000.01 to $700,000.00	7	4,760,000.00	2.55	6.869	696	680,000.00	83.33	14.45
$700,000.01 to $750,000.00	4	2,890,499.42	1.55	7.308	677	722,624.85	82.47	0.00
$850,000.01 to $900,000.00	1	879,035.48	0.47	6.990	777	879,035.48	80.00	0.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum Remaining Balance: $879,035.48
Minimum Remaining Balance: $19,990.16
Average Remaining Balance: $216,514.69

Top

15. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	35	$1,292,366.92	0.69%	10.066%	707	$36,924.77	95.64%	40.05%
$50,000.01 to $75,000.00	68	4,261,317.81	2.29	8.935	628	62,666.44	83.22	67.14
$75,000.01 to $100,000.00	107	9,561,730.58	5.13	8.142	632	89,361.97	81.00	63.62
$100,000.01 to $125,000.00	102	11,421,791.11	6.13	7.876	629	111,978.34	82.12	64.36
$125,000.01 to $150,000.00	92	12,657,373.69	6.79	7.765	620	137,580.15	78.61	66.18
$150,000.01 to $175,000.00	59	9,590,864.92	5.14	7.561	631	162,557.03	79.49	60.92
$175,000.01 to $200,000.00	45	8,461,066.01	4.54	7.360	627	188,023.69	80.59	60.04
$200,000.01 to $225,000.00	39	8,298,240.78	4.45	7.668	631	212,775.40	80.42	33.62
$225,000.01 to $250,000.00	35	8,358,982.04	4.48	7.633	641	238,828.06	83.08	42.88
$250,000.01 to $275,000.00	28	7,316,670.35	3.92	7.400	637	261,309.66	82.39	35.73
$275,000.01 to $300,000.00	22	6,305,436.83	3.38	7.532	655	286,610.77	81.00	23.03
$300,000.01 to $325,000.00	29	9,086,661.05	4.87	7.441	644	313,333.14	80.48	31.08
$325,000.01 to $350,000.00	22	7,429,036.79	3.99	7.289	663	337,683.49	81.79	22.57
$350,000.01 to $375,000.00	28	10,174,263.46	5.46	7.125	679	363,366.55	82.25	17.80
$375,000.01 to $400,000.00	33	12,782,803.64	6.86	7.075	666	387,357.69	83.37	17.92
$400,000.01 to $425,000.00	19	7,847,633.99	4.21	7.242	679	413,033.37	83.51	0.00
$425,000.01 to $450,000.00	19	8,317,236.25	4.46	7.294	676	437,749.28	83.81	26.17
$450,000.01 to $475,000.00	15	6,900,875.12	3.70	7.099	675	460,058.34	84.08	20.26
$475,000.01 to $500,000.00	17	8,278,520.28	4.44	7.334	642	486,971.78	81.07	23.54
$500,000.01 to $525,000.00	11	5,656,911.12	3.03	7.088	676	514,264.65	82.27	0.00
$525,000.01 to $550,000.00	6	3,244,715.50	1.74	6.898	705	540,785.92	82.43	0.00
$550,000.01 to $575,000.00	5	2,800,012.80	1.50	7.241	690	560,002.56	83.00	20.00
$575,000.01 to $600,000.00	8	4,704,450.00	2.52	7.126	691	588,056.25	80.89	24.68
$600,000.01 to $625,000.00	2	1,228,250.00	0.66	7.350	647	614,125.00	86.52	50.17
$625,000.01 to $650,000.00	3	1,912,405.00	1.03	7.312	667	637,468.33	89.97	0.00
$650,000.01 to $675,000.00	2	1,314,000.00	0.70	6.876	735	657,000.00	90.00	0.00
$675,000.01 to $700,000.00	5	3,446,000.00	1.85	6.867	681	689,200.00	80.79	19.97
$700,000.01 to $725,000.00	3	2,159,850.00	1.16	7.416	689	719,950.00	85.00	0.00
$725,000.01 to $750,000.00	1	730,649.42	0.39	6.990	642	730,649.42	75.00	0.00
$875,000.01 to $900,000.00	1	879,035.48	0.47	6.990	777	879,035.48	80.00	0.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum Remaining Balance: $879,035.48
Minimum Remaining Balance: $19,990.16
Average Remaining Balance: $216,514.69

Top

16. Product Type

Product Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2/28 LIBOR ARM	476	$80,359,461.69	43.11%	7.786%	622	$168,822.40	80.84%	50.85%
2/28 LIBOR IO ARM	222	83,491,567.76	44.79	7.045	683	376,088.14	82.84	13.34
30/15 BALLOON	57	3,260,707.48	1.75	10.267	727	57,205.39	99.46	12.96
3/27 LIBOR ARM	13	1,838,158.01	0.99	7.676	630	141,396.77	82.30	53.10
3/27 LIBOR IO ARM	3	915,278.00	0.49	6.847	667	305,092.67	84.03	54.99
5/1 TREASURY IO ARM	5	2,466,515.00	1.32	7.058	685	493,303.00	81.99	62.93
Fixed	77	10,880,043.01	5.84	7.654	630	141,299.26	78.10	65.53
Fixed IO	8	3,207,420.00	1.72	7.407	679	400,927.50	82.07	35.07
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

17. Amortization Type

Amortization Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
30/15 Balloon	57	$3,260,707.48	1.75%	10.267%	727	$57,205.39	99.46%	12.96%
5 Year IO	238	90,080,780.76	48.32	7.056	683	378,490.68	82.80	15.89
Fully Amortizing	566	93,077,662.72	49.93	7.768	623	164,448.17	80.55	52.61
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

18. Loan Program

Loan Program	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
High Street	381	$64,836,027.77	34.78%	7.583%	623	$170,173.30	81.37%	57.45%
Main Street	68	10,590,985.96	5.68	8.570	576	155,749.79	80.23	58.25
Wall Street	412	110,992,137.23	59.54	7.296	679	269,398.39	82.48	18.28
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

19. State Distribution of Mortgaged Properties

State Distribution of Mortgaged Properties	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Arizona	34	$7,637,950.80	4.10%	7.684%	632	$224,645.61	79.34%	40.34%
California	227	83,835,158.42	44.97	7.090	679	369,317.88	83.05	17.30
Colorado	27	5,073,981.33	2.72	7.250	652	187,925.23	82.81	47.21
Connecticut	3	372,666.90	0.20	7.548	624	124,222.30	70.14	42.68
District Of Columbia	1	63,000.00	0.03	10.990	700	63,000.00	100.00	0.00
Florida	54	11,368,287.41	6.10	7.630	656	210,523.84	81.01	36.39
Georgia	23	3,653,704.83	1.96	7.686	633	158,856.73	82.24	55.34
Idaho	12	1,420,424.37	0.76	7.600	652	118,368.70	78.43	35.82
Illinois	87	15,654,673.16	8.40	8.066	630	179,938.77	81.85	42.81
Indiana	6	637,629.11	0.34	7.896	642	106,271.52	78.33	100.00
Iowa	23	2,355,599.45	1.26	8.541	602	102,417.37	82.62	80.57
Kansas	21	2,272,397.53	1.22	9.049	589	108,209.41	80.82	68.67
Kentucky	2	176,320.00	0.09	8.103	588	88,160.00	83.06	100.00
Maine	4	612,350.00	0.33	7.973	626	153,087.50	88.74	59.01
Maryland	7	1,591,865.53	0.85	7.661	637	227,409.36	79.46	62.69
Massachusetts	17	3,909,412.15	2.10	7.749	644	229,965.42	80.75	32.50
Michigan	21	2,465,255.51	1.32	7.738	622	117,393.12	83.61	62.30
Minnesota	10	2,286,903.18	1.23	7.404	623	228,690.32	78.38	33.77
Mississippi	1	86,939.82	0.05	7.850	666	86,939.82	77.68	0.00
Missouri	23	2,453,666.97	1.32	8.052	614	106,681.17	80.07	70.16
Nebraska	3	256,369.14	0.14	9.368	567	85,456.38	82.42	56.33
Nevada	11	2,500,083.42	1.34	7.190	639	227,280.31	78.95	63.98
New Hampshire	2	476,295.83	0.26	8.207	574	238,147.92	76.43	0.00
New Jersey	8	1,722,468.93	0.92	9.035	643	215,308.62	86.41	11.75
New Mexico	3	419,107.00	0.22	7.752	628	139,702.33	78.50	33.24
North Carolina	13	1,983,897.60	1.06	7.628	633	152,607.51	81.81	44.26
Oklahoma	5	698,376.07	0.37	7.751	618	139,675.21	84.57	27.92
Oregon	16	2,824,063.52	1.51	7.629	638	176,503.97	82.47	53.36
Pennsylvania	1	190,272.24	0.10	8.000	552	190,272.24	85.00	100.00
Rhode Island	2	320,387.23	0.17	7.913	585	160,193.62	79.52	56.30
South Carolina	1	106,178.56	0.06	7.990	626	106,178.56	85.00	0.00
Tennessee	10	963,045.20	0.52	8.249	639	96,304.52	83.05	47.04
Texas	112	12,882,197.64	6.91	7.651	629	115,019.62	80.76	59.36
Utah	8	1,361,686.65	0.73	7.147	619	170,210.83	80.00	53.31
Vermont	3	481,000.00	0.26	8.915	591	160,333.33	58.45	34.30
Washington	46	7,985,821.95	4.28	7.529	633	173,604.83	80.92	56.68
Virginia	11	3,020,651.49	1.62	7.584	642	274,604.68	82.14	13.77
Wisconsin	3	299,062.00	0.16	7.561	606	99,687.33	78.19	100.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

20. Range of Original Loan-to-Value Ratios

Range of Original Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
50.00% or less	5	$634,000.00	0.34%	8.168%	592	$126,800.00	38.75%	51.10%
50.01% to 55.00%	5	1,125,791.49	0.60	8.217	597	225,158.30	52.88	24.52
55.01% to 60.00%	11	1,804,078.34	0.97	8.275	581	164,007.12	58.84	58.99
60.01% to 65.00%	5	1,562,595.73	0.84	7.597	647	312,519.15	61.50	24.83
65.01% to 70.00%	17	3,002,882.28	1.61	7.869	606	176,640.13	69.38	47.83
70.01% to 75.00%	43	7,845,752.99	4.21	7.850	619	182,459.37	73.60	44.91
75.01% to 80.00%	470	97,410,432.01	52.25	7.294	655	207,256.24	79.89	37.50
80.01% to 85.00%	123	37,967,324.02	20.37	7.239	664	308,677.43	84.80	21.28
85.01% to 90.00%	104	26,769,228.36	14.36	7.731	653	257,396.43	89.84	34.78
90.01% to 95.00%	24	5,229,977.53	2.81	8.022	644	217,915.73	94.66	45.70
95.01% to 100.00%	54	3,067,088.20	1.65	10.265	725	56,797.93	99.92	12.75
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum LTV: 100.00
Minimum LTV: 28.99
WA LTV: 81.97

Top

21. Range of Combined Loan-to-Value Ratios

Range of Combined Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
<= 50.00%	5	$634,000.00	0.34%	8.168%	592	$126,800.00	38.75%	51.10%
50.01% - 55.00%	5	1,125,791.49	0.60	8.217	597	225,158.30	52.88	24.52
55.01% - 60.00%	11	1,804,078.34	0.97	8.275	581	164,007.12	58.84	58.99
60.01% - 65.00%	4	962,595.73	0.52	7.751	640	240,648.93	61.24	40.31
65.01% - 70.00%	15	2,618,422.76	1.40	7.967	592	174,561.52	69.33	52.69
70.01% - 75.00%	25	5,152,636.24	2.76	8.080	601	206,105.45	73.72	53.66
75.01% - 80.00%	64	12,724,706.62	6.83	7.881	618	198,823.54	78.77	40.83
80.01% - 85.00%	40	9,419,413.54	5.05	7.651	611	235,485.34	84.41	49.79
85.01% - 90.00%	95	27,834,987.84	14.93	7.646	652	292,999.87	87.42	31.26
90.01% - 95.00%	49	13,363,554.89	7.17	7.443	656	272,725.61	86.40	33.59
95.01% - 100.00%	548	110,778,963.51	59.42	7.296	668	202,151.39	82.00	31.08
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum CLTV: 100.00
Minimum CLTV: 28.99
WA CLTV: 93.64

Top

22. Loan Purpose

Loan Purpose	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Purchase	592	$122,995,574.44	65.98%	7.387%	665	$207,762.79	82.42%	29.73%
Refinance - Cashout	59	15,157,162.26	8.13	7.677	639	256,901.06	81.09	30.88
Refinance - Rate/Term	210	48,266,414.25	25.89	7.608	629	229,840.07	81.10	46.53
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

23. Types of Mortgaged Property Types

Types of Mortgaged Property Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Condominium	58	$11,656,960.31	6.25%	7.400%	663	$200,982.07	82.89%	31.04%
Planned Unit Development	150	30,906,734.55	16.58	7.435	650	206,044.90	80.82	44.72
Single Family Attached	5	673,765.33	0.36	7.892	595	134,753.07	78.07	66.09
Single Family Detached	602	128,804,469.52	69.09	7.484	651	213,960.91	81.96	34.02
Townhouse	1	104,736.51	0.06	8.500	548	104,736.51	80.00	0.00
Two-to-Four Family	45	14,272,484.73	7.66	7.427	685	317,166.33	83.98	14.07
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

24. Documentation Summary

Documentation Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12 Month Bank Statements	66	$18,087,698.57	9.70%	7.391%	631	$274,056.04	82.37%	0.00%
24 Month Bank Statements	17	4,894,654.75	2.63	7.237	648	287,920.87	85.38	0.00
Full Documentation	402	63,705,434.07	34.17	7.552	615	158,471.23	81.21	100.00
Limited Documentation	1	550,000.00	0.30	7.100	631	550,000.00	84.62	0.00
Stated Income Self-Employed	158	43,684,983.58	23.43	7.417	676	276,487.24	81.64	0.00
Stated Income Wage Earner	217	55,496,379.99	29.77	7.461	689	255,743.69	82.64	0.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

25. Occupancy Types

Occupancy Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Investment Property	17	$3,614,561.20	1.94%	7.853%	670	$212,621.25	73.44%	56.24%
Primary Home	844	182,804,589.75	98.06	7.460	653	216,593.12	82.13	33.74
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

26. Mortgage Loan Age (Months)

Mortgage Loan Age (Months)	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
0	396	$62,599,428.00	33.58%	7.853%	630	$158,079.36	81.26%	54.53%
1	463	122,889,222.95	65.92	7.277	665	265,419.49	82.32	24.06
4	2	930,500.00	0.50	6.717	711	465,250.00	82.79	0.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Minimum Seasoning: 0
Maximum Seasoning: 4
WA Seasoning: 1

Top

27. Original Prepayment Penalty Term

Original Prepayment Penalty Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6 Months	21	$2,272,397.53	1.22%	9.049%	589	$108,209.41	80.82%	68.67%
12 Months	11	3,304,268.38	1.77	7.677	646	300,388.03	74.73	41.04
24 Months	543	133,691,312.98	71.72	7.278	661	246,208.68	82.38	27.72
36 Months	86	16,182,396.38	8.68	7.442	648	188,167.40	79.73	60.91
None	200	30,968,775.68	16.61	8.163	632	154,843.88	82.21	44.77
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Minimum Prepayment Penalty Term: 0
Maximum Prepayment Penalty Term: 36
WA Prepayment Penalty Term: 25

Top

28. Range of Credit Scores

Range of Credit Scores	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
501 to 525	9	$1,340,237.41	0.72%	9.615%	518	$148,915.27	70.08%	100.00%
526 to 550	34	5,308,759.70	2.85	8.971	539	156,139.99	77.03	58.34
551 to 575	41	6,180,120.16	3.32	8.477	562	150,734.64	80.78	79.34
576 to 600	138	23,851,232.47	12.79	7.624	589	172,835.02	80.53	68.68
601 to 625	147	25,770,376.52	13.82	7.505	614	175,308.68	80.98	63.55
626 to 650	95	21,766,970.38	11.68	7.444	639	229,126.00	82.69	41.50
651 to 675	124	35,095,297.44	18.83	7.356	663	283,026.59	81.64	16.97
676 to 700	122	30,779,747.88	16.51	7.145	688	252,293.02	83.02	8.42
701 to 725	83	18,459,013.20	9.90	7.344	712	222,397.75	83.40	13.02
726 to 750	36	8,733,726.52	4.68	7.213	737	242,603.51	85.96	13.48
751 to 775	21	5,398,473.37	2.90	7.188	763	257,070.16	81.59	8.27
776 to 800	9	3,285,240.17	1.76	7.050	781	365,026.69	85.61	0.00
801 to 825	2	449,955.73	0.24	7.492	808	224,977.87	84.00	0.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Maximum FICO: 808
Minimum FICO: 509
WA FICO: 654

Top

29. Credit Grade Summary

Credit Grade Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
A	818	$178,798,571.78	95.91%	7.417%	657	$218,580.16	82.24%	33.15%
A-	22	4,556,842.61	2.44	8.121	596	207,129.21	77.63	49.40
B	14	2,128,829.05	1.14	9.054	556	152,059.22	74.48	64.16
C	5	792,907.51	0.43	10.296	520	158,581.50	69.26	86.00
D	2	142,000.00	0.08	10.775	528	71,000.00	62.98	100.00
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

30. Range of Gross Margins

Range of Gross Margins	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
3.001% to 3.500%	1	$263,801.11	0.16%	7.425%	591	$263,801.11	80.00%	100.00%
4.501% to 5.000%	1	226,500.00	0.13	9.990	593	226,500.00	75.00	0.00
5.001% to 5.500%	174	35,598,727.78	21.06	7.492	621	204,590.39	82.33	61.22
5.501% to 6.000%	363	102,360,607.06	60.54	7.302	664	281,985.14	81.96	22.93
6.001% to 6.500%	180	30,621,344.51	18.11	7.618	656	170,118.58	81.12	31.01
Total:	719	$169,070,980.46	100.00%	7.403%	653	$235,147.40	81.88%	32.55%

Maximum Gross Margin: 6.250%
Minimum Gross Margin: 3.500%
WA Gross Margin: 5.832%

Top

31. Range of Maximum Mortgage Rates

Range of Maximum Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12.001 to 12.500	29	$8,916,661.71	5.27%	6.450%	680	$307,471.09	82.39%	49.59%
12.501 to 13.000	201	61,832,342.90	36.57	6.845	681	307,623.60	81.93	23.51
13.001 to 13.500	181	43,409,511.94	25.68	7.299	651	239,831.56	81.19	34.78
13.501 to 14.000	145	29,663,837.52	17.55	7.781	638	204,578.19	82.16	32.24
14.001 to 14.500	60	10,263,434.37	6.07	8.317	619	171,057.24	83.66	49.93
14.501 to 15.000	51	8,927,682.87	5.28	8.772	602	175,052.61	83.46	35.23
15.001 to 15.500	19	2,408,346.39	1.42	9.320	569	126,755.07	80.38	60.66
15.501 to 16.000	18	1,912,907.85	1.13	9.823	560	106,272.66	77.76	33.94
16.001 to 16.500	8	810,930.00	0.48	10.301	588	101,366.25	81.56	52.65
16.501 to 17.000	7	925,324.90	0.55	10.784	527	132,189.27	73.63	65.20
Total:	719	$169,070,980.46	100.00%	7.403%	653	$235,147.40	81.88%	32.55%

Maximum Max Rate: 17.000%
Minimum Max Rate: 12.250%
WA Max Rate: 13.403%

Top

32. Next Rate Adjustment Date

Next Rate Adjustment Date	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2007-08	1	$518,500.00	0.31%	6.500%	777	$518,500.00	85.00%	0.00%
2007-11	402	113,889,827.45	67.36	7.236	665	283,308.03	82.19	22.35
2007-12	295	49,442,702.00	29.24	7.816	624	167,602.38	81.05	53.69
2008-08	1	412,000.00	0.24	6.990	627	412,000.00	80.00	0.00
2008-11	7	1,352,464.01	0.80	7.298	658	193,209.14	84.02	65.05
2008-12	8	988,972.00	0.58	7.711	627	123,621.50	82.50	60.62
2010-11	2	1,216,250.00	0.72	7.222	694	608,125.00	82.53	50.67
2010-12	3	1,250,265.00	0.74	6.899	677	416,755.00	81.46	74.85
Total:	719	$169,070,980.46	100.00%	7.403%	653	$235,147.40	81.88%	32.55%

Top

33. Zip Code

Zip Code	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
90805	6	$2,454,180.00	1.32%	7.082%	696	$409,030.00	84.67%	0.00%
92840	4	1,741,600.00	0.93	6.698	647	435,400.00	78.78	27.24
92804	4	1,736,000.00	0.93	6.945	626	434,000.00	80.00	27.65
91402	4	1,631,500.00	0.88	6.812	673	407,875.00	83.52	0.00
90019	3	1,372,938.51	0.74	7.262	714	457,646.17	86.12	0.00
94591	2	1,337,850.00	0.72	7.265	676	668,925.00	82.30	46.06
90650	4	1,286,320.00	0.69	7.325	680	321,580.00	82.87	8.16
91748	3	1,277,100.00	0.69	7.100	688	425,700.00	90.00	0.00
90201	3	1,262,060.75	0.68	7.421	653	420,686.92	85.00	0.00
92704	3	1,141,980.00	0.61	7.066	688	380,660.00	85.92	0.00
Other	825	171,177,621.70	91.82	7.503	652	207,488.03	81.81	36.24
Total:	861	$186,419,150.95	100.00%	7.468%	654	$216,514.69	81.97%	34.17%

Top

34. Initial Interest Rate Cap

Minimum: 2.000%
Maximum: 3.000%
WA: 2.985%

Top

35. Periodic Rate Cap

Minimum: 1.000%
Maximum: 1.000%
WA: 1.000%

Top

36. Min Mortgage Rate

Minimum: 6.250%
Maximum: 11.000%
WA: 7.403%

Top

37. Months to Roll

Minimum: 20
Maximum: 60
WA: 24

Top

Credit Suisse First Boston
11 Madison Avenue
New York, New York 10010
www.csfb.com
Jan 3, 2006 09:27

Asset Backed Securities Portfolio Analysis
Fieldstone Mortgage Company
Mortgage Portfolio 2005-3 (Prefunding Only)
1,511 records
Balance: 289,799,258

Selection Criteria: All records
Table of Contents

Collateral Aggregate Summary
Origination Date
Maturity Date
Lien Position
Occupancy
Loan Type
Year Of Origination
Loan Purpose
Property Type
Lien
Range of Mortgage Rates
Original Term
Remaining Term To Stated Maturity
Range of Outstanding Mortgage Loan Principal Balances
Range of Outstanding Mortgage Loan Principal Balances
Product Type
Amortization Type
Loan Program
State Distribution of Mortgaged Properties
Range of Original Loan-to-Value Ratios
Range of Combined Loan-to-Value Ratios
Loan Purpose
Types of Mortgaged Property Types
Documentation Summary
Occupancy Types
Mortgage Loan Age (Months)
Original Prepayment Penalty Term
Range of Credit Scores
Credit Grade Summary
Range of Gross Margins
Range of Maximum Mortgage Rates
Next Rate Adjustment Date
Zip Code
Initial Interest Rate Cap
Periodic Rate Cap
Min Mortgage Rate
Months to Roll

1. Collateral Aggregate Summary

Aggregate Outstanding Principal Balance: $289,799,258.
Aggregate Original Principal Balance: $289,845,288.
Number Of Mortgage Loans: 1,511

Top

2. Origination Date

Earliest: 20041130
Latest: 20051130

Top

3. Maturity Date

Earliest: 20201101
Latest: 20351201

Top

4. Lien Position

Lien Position	Percent Of Mortgage Pool
2	1.58%
First Lien	98.42
Total:	100.00%

Top

5. Occupancy

Occupancy	Percent Of Mortgage Pool
Investment Property	1.79%
Primary Home	98.21
Total:	100.00%

Top

6. Loan Type

Loan Type	Percent Of Mortgage Pool
ARM	90.08%
FIXED	9.92
Total:	100.00%

Top

7. Year Of Origination

Year Of Origination	Percent Of Mortgage Pool
2004	0.08%
2005	99.92
Total:	100.00%

Top

8. Loan Purpose

Loan Purpose	Percent Of Mortgage Pool
Purchase	56.14%
Refinance - Cashout	9.20
Refinance - Rate/Term	34.66
Total:	100.00%

Top

9. Property Type

Property Type	Percent Of Mortgage Pool
Condominium	6.77%
Planned Unit Development	15.94
Single Family Attached	0.43
Single Family Detached	68.98
Townhouse	0.11
Two-to-Four Family	7.77
Total:	100.00%

Top

10. Lien

Lien	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
1	1,421	$285,210,351.70	98.42%	7.486%	645	$200,711.01	81.16%	43.67%
2	90	4,588,906.37	1.58	10.239	724	50,987.85	99.52	23.23
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

11. Range of Mortgage Rates

Range of Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6.001% to 6.500%	50	$13,277,718.51	4.58%	6.451%	669	$265,554.37	80.94%	61.15%
6.501% to 7.000%	367	92,965,304.73	32.08	6.842	669	253,311.46	81.17	39.49
7.001% to 7.500%	337	71,603,581.14	24.71	7.309	649	212,473.53	80.82	42.99
7.501% to 8.000%	310	54,845,111.65	18.93	7.791	637	176,919.72	81.02	42.35
8.001% to 8.500%	141	22,886,529.66	7.90	8.312	617	162,315.81	81.98	50.46
8.501% to 9.000%	112	16,705,695.97	5.76	8.762	608	149,158.00	82.96	42.39
9.001% to 9.500%	55	6,522,077.00	2.25	9.323	592	118,583.22	83.46	53.06
9.501% to 10.000%	65	5,697,136.36	1.97	9.858	611	87,648.25	84.59	38.53
10.001% to 10.500%	34	2,678,356.88	0.92	10.326	611	78,775.20	87.56	55.33
10.501% to 11.000%	31	2,238,565.00	0.77	10.806	618	72,211.77	86.32	42.94
11.001% to 11.500%	9	379,181.18	0.13	11.240	720	42,131.24	99.06	9.63
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum Mortgage Rate: 11.350%
Minimum Mortgage Rate: 6.250%
WA Mortgage Rate: 7.530%

Top

12. Original Term

Original Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	90	$4,588,906.37	1.58%	10.239%	724	$50,987.85	99.52%	23.23%
229 - 240	1	75,120.00	0.03	9.450	583	75,120.00	80.00	0.00
349 - 360	1,420	285,135,231.70	98.39	7.485	645	200,799.46	81.16	43.68
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum Original Term: 360
Minimum Original Term: 180
WA Original Term: 357

Top

13. Remaining Term To Stated Maturity

Remaining Term To Stated Maturity	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
169 - 180	90	$4,588,906.37	1.58%	10.239%	724	$50,987.85	99.52%	23.23%
229 - 240	1	75,120.00	0.03	9.450	583	75,120.00	80.00	0.00
337 - 348	1	240,000.00	0.08	8.750	578	240,000.00	87.28	100.00
349 - 360	1,419	284,895,231.70	98.31	7.484	646	200,771.83	81.16	43.63
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum Remaining Term: 360
Minimum Remaining Term: 179
WA Remaining Term: 356

Top

14. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	61	$2,178,230.48	0.75%	9.957%	706	$35,708.70	95.17%	49.83%
$50,000.01 to $100,000.00	313	24,716,661.16	8.53	8.381	625	78,966.97	80.52	70.41
$100,000.01 to $150,000.00	387	47,993,129.11	16.56	7.678	625	124,013.25	80.08	70.83
$150,000.01 to $200,000.00	227	39,342,315.40	13.58	7.502	632	173,314.16	79.81	66.47
$200,000.01 to $250,000.00	142	31,903,988.28	11.01	7.631	636	224,675.97	80.84	45.59
$250,000.01 to $300,000.00	96	26,022,748.51	8.98	7.525	637	271,070.30	81.97	42.43
$300,000.01 to $350,000.00	96	31,019,624.86	10.70	7.414	652	323,121.09	81.19	25.85
$350,000.01 to $400,000.00	68	25,479,619.21	8.79	7.104	670	374,700.28	82.98	18.93
$400,000.01 to $450,000.00	41	17,435,570.24	6.02	7.271	678	425,257.81	83.89	12.48
$450,000.01 to $500,000.00	33	15,631,091.50	5.39	7.249	657	473,669.44	82.37	21.42
$500,000.01 to $550,000.00	17	8,901,626.62	3.07	7.019	687	523,625.10	82.33	0.00
$550,000.01 to $600,000.00	13	7,504,462.80	2.59	7.169	691	577,266.37	81.68	22.93
$600,000.01 to $650,000.00	5	3,140,655.00	1.08	7.327	659	628,131.00	88.63	19.62
$650,000.01 to $700,000.00	7	4,760,000.00	1.64	6.869	696	680,000.00	83.33	14.45
$700,000.01 to $750,000.00	4	2,890,499.42	1.00	7.308	677	722,624.85	82.47	0.00
$850,000.01 to $900,000.00	1	879,035.48	0.30	6.990	777	879,035.48	80.00	0.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum Remaining Balance: $879,035.48
Minimum Remaining Balance: $19,990.16
Average Remaining Balance: $191,793.02

Top

15. Range of Outstanding Mortgage Loan Principal Balances

Range of Outstanding Mortgage Loan Principal Balances	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
$50,000.00 or less	61	$2,178,230.48	0.75%	9.957%	706	$35,708.70	95.17%	49.83%
$50,000.01 to $75,000.00	121	7,588,524.33	2.62	8.929	626	62,715.08	82.32	71.79
$75,000.01 to $100,000.00	192	17,128,136.84	5.91	8.138	625	89,209.05	79.72	69.80
$100,000.01 to $125,000.00	213	24,018,018.85	8.29	7.694	627	112,760.65	80.78	71.44
$125,000.01 to $150,000.00	174	23,975,110.25	8.27	7.661	623	137,787.99	79.37	70.21
$150,000.01 to $175,000.00	129	20,924,019.28	7.22	7.598	633	162,201.70	79.60	64.84
$175,000.01 to $200,000.00	98	18,418,296.12	6.36	7.393	630	187,941.80	80.04	68.32
$200,000.01 to $225,000.00	79	16,901,676.98	5.83	7.612	632	213,945.28	79.81	49.59
$225,000.01 to $250,000.00	63	15,002,311.30	5.18	7.653	640	238,131.93	82.00	41.08
$250,000.01 to $275,000.00	61	16,001,214.14	5.52	7.524	629	262,314.99	82.07	49.14
$275,000.01 to $300,000.00	35	10,021,534.37	3.46	7.527	650	286,329.55	81.80	31.71
$300,000.01 to $325,000.00	57	17,839,857.72	6.16	7.444	646	312,979.96	80.48	29.82
$325,000.01 to $350,000.00	39	13,179,767.15	4.55	7.373	661	337,942.75	82.15	20.47
$350,000.01 to $375,000.00	35	12,696,815.57	4.38	7.134	675	362,766.16	82.59	19.94
$375,000.01 to $400,000.00	33	12,782,803.64	4.41	7.075	666	387,357.69	83.37	17.92
$400,000.01 to $425,000.00	21	8,681,833.99	3.00	7.250	678	413,420.67	83.66	0.00
$425,000.01 to $450,000.00	20	8,753,736.25	3.02	7.292	677	437,686.81	84.12	24.87
$450,000.01 to $475,000.00	16	7,352,571.22	2.54	7.153	673	459,535.70	83.83	19.02
$475,000.01 to $500,000.00	17	8,278,520.28	2.86	7.334	642	486,971.78	81.07	23.54
$500,000.01 to $525,000.00	11	5,656,911.12	1.95	7.088	676	514,264.65	82.27	0.00
$525,000.01 to $550,000.00	6	3,244,715.50	1.12	6.898	705	540,785.92	82.43	0.00
$550,000.01 to $575,000.00	5	2,800,012.80	0.97	7.241	690	560,002.56	83.00	20.00
$575,000.01 to $600,000.00	8	4,704,450.00	1.62	7.126	691	588,056.25	80.89	24.68
$600,000.01 to $625,000.00	2	1,228,250.00	0.42	7.350	647	614,125.00	86.52	50.17
$625,000.01 to $650,000.00	3	1,912,405.00	0.66	7.312	667	637,468.33	89.97	0.00
$650,000.01 to $675,000.00	2	1,314,000.00	0.45	6.876	735	657,000.00	90.00	0.00
$675,000.01 to $700,000.00	5	3,446,000.00	1.19	6.867	681	689,200.00	80.79	19.97
$700,000.01 to $725,000.00	3	2,159,850.00	0.75	7.416	689	719,950.00	85.00	0.00
$725,000.01 to $750,000.00	1	730,649.42	0.25	6.990	642	730,649.42	75.00	0.00
$875,000.01 to $900,000.00	1	879,035.48	0.30	6.990	777	879,035.48	80.00	0.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum Remaining Balance: $879,035.48
Minimum Remaining Balance: $19,990.16
Average Remaining Balance: $191,793.02

Top

16. Product Type

Product Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2/28 LIBOR ARM	762	$120,221,593.97	41.48%	7.848%	618	$157,771.12	80.46%	54.56%
2/28 LIBOR IO ARM	466	132,193,151.00	45.62	7.141	671	283,676.29	82.19	27.89
30/15 BALLOON	90	4,588,906.37	1.58	10.239	724	50,987.85	99.52	23.23
3/27 LIBOR ARM	20	2,703,564.69	0.93	7.624	627	135,178.23	80.44	65.15
3/27 LIBOR IO ARM	9	2,429,378.00	0.84	7.442	655	269,930.89	83.24	57.33
5/1 TREASURY IO ARM	11	3,496,470.86	1.21	7.188	675	317,860.99	81.88	67.99
Fixed	126	17,964,095.05	6.20	7.644	630	142,572.18	78.11	70.37
Fixed IO	27	6,202,098.13	2.14	7.482	667	229,707.34	80.90	62.92
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

17. Amortization Type

Amortization Type	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
30/15 Balloon	90	$4,588,906.37	1.58%	10.239%	724	$50,987.85	99.52%	23.23%
5 Year IO	513	144,321,097.99	49.80	7.162	670	281,327.68	82.14	30.86
Fully Amortizing	908	140,889,253.71	48.62	7.818	620	155,164.38	80.16	56.78
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

18. Loan Program

Loan Program	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
High Street	654	$102,301,770.39	35.30%	7.599%	623	$156,424.73	81.01%	63.58%
Main Street	138	20,921,947.27	7.22	8.559	574	151,608.31	80.01	67.66
Wall Street	719	166,575,540.41	57.48	7.357	670	231,676.69	81.90	27.86
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

19. State Distribution of Mortgaged Properties

State Distribution of Mortgaged Properties	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Arizona	92	$17,471,432.58	6.03%	7.592%	628	$189,906.88	79.11%	62.32%
Arkansas	1	84,000.00	0.03	8.000	611	84,000.00	70.00	0.00
California	298	101,804,226.68	35.13	7.115	673	341,624.92	82.26	20.40
Colorado	67	10,959,338.32	3.78	7.186	642	163,572.21	81.71	67.35
Connecticut	8	1,414,266.90	0.49	7.964	654	176,783.36	68.90	25.97
District Of Columbia	1	63,000.00	0.02	10.990	700	63,000.00	100.00	0.00
Florida	88	16,786,334.62	5.79	7.742	645	190,753.80	80.22	39.33
Georgia	40	5,614,367.16	1.94	7.614	631	140,359.18	82.33	64.92
Idaho	17	1,942,764.74	0.67	7.617	639	114,280.28	79.06	53.08
Illinois	153	27,144,818.99	9.37	8.104	626	177,417.12	81.84	47.70
Indiana	10	898,440.53	0.31	8.073	631	89,844.05	78.92	100.00
Iowa	44	4,817,878.97	1.66	8.477	606	109,497.25	81.70	75.86
Kansas	31	3,260,727.59	1.13	8.596	596	105,184.76	81.46	78.16
Kentucky	2	176,320.00	0.06	8.103	588	88,160.00	83.06	100.00
Louisiana	1	59,401.00	0.02	8.750	551	59,401.00	83.08	100.00
Maine	4	612,350.00	0.21	7.973	626	153,087.50	88.74	59.01
Maryland	19	3,869,109.56	1.34	7.902	635	203,637.35	81.33	65.36
Massachusetts	33	7,686,215.62	2.65	7.889	652	232,915.62	81.07	32.06
Michigan	37	4,553,519.19	1.57	7.866	627	123,068.09	82.76	55.26
Minnesota	31	5,824,840.29	2.01	7.475	649	187,898.07	80.69	33.18
Mississippi	2	205,689.82	0.07	7.821	647	102,844.91	87.68	57.73
Missouri	53	5,376,210.03	1.86	8.238	604	101,437.93	81.65	75.00
Nebraska	8	690,162.89	0.24	8.828	613	86,270.36	75.51	62.69
Nevada	32	6,179,304.11	2.13	7.150	650	193,103.25	80.12	77.05
New Hampshire	5	1,043,826.88	0.36	7.828	603	208,765.38	79.59	37.52
New Jersey	13	2,501,068.93	0.86	8.875	635	192,389.92	83.73	22.91
New Mexico	6	756,407.56	0.26	8.121	606	126,067.93	77.46	63.01
North Carolina	21	2,874,051.51	0.99	7.774	633	136,859.60	82.47	57.63
Oklahoma	7	901,324.43	0.31	7.691	619	128,760.63	83.33	29.16
Oregon	44	6,901,587.52	2.38	7.350	641	156,854.26	81.35	74.33
Pennsylvania	3	416,022.24	0.14	8.026	583	138,674.08	84.77	100.00
Rhode Island	5	779,587.23	0.27	7.548	618	155,917.45	79.17	48.79
South Carolina	2	183,578.56	0.06	7.720	650	91,789.28	87.11	42.16
Tennessee	17	1,573,149.89	0.54	8.113	630	92,538.23	82.88	60.41
Texas	169	18,377,724.54	6.34	7.665	630	108,743.93	80.83	63.12
Utah	14	2,023,486.65	0.70	7.294	625	144,534.76	81.71	57.71
Vermont	4	814,000.00	0.28	8.807	598	203,500.00	71.36	20.27
Washington	103	17,662,921.09	6.09	7.463	638	171,484.67	81.79	56.98
Virginia	21	4,959,291.40	1.71	7.638	639	236,156.73	81.16	35.53
Wisconsin	4	412,990.04	0.14	7.765	597	103,247.51	79.58	100.00
Wyoming	1	123,520.00	0.04	7.500	625	123,520.00	80.00	0.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

20. Range of Original Loan-to-Value Ratios

Range of Original Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
50.00% or less	16	$1,950,427.50	0.67%	7.854%	582	$121,901.72	39.94%	70.01%
50.01% to 55.00%	11	2,453,537.74	0.85	7.874	594	223,048.89	53.25	42.50
55.01% to 60.00%	19	2,939,873.42	1.01	8.052	593	154,730.18	58.71	64.09
60.01% to 65.00%	14	2,785,202.77	0.96	7.567	623	198,943.06	61.96	54.33
65.01% to 70.00%	39	6,267,009.57	2.16	7.975	602	160,692.55	68.71	56.91
70.01% to 75.00%	85	13,622,820.89	4.70	7.947	611	160,268.48	73.85	53.62
75.01% to 80.00%	812	153,962,768.57	53.13	7.318	651	189,609.32	79.85	45.45
80.01% to 85.00%	204	52,218,043.10	18.02	7.381	654	255,970.80	84.76	32.08
85.01% to 90.00%	183	41,244,573.47	14.23	7.815	645	225,380.18	89.77	40.19
90.01% to 95.00%	43	8,051,255.14	2.78	8.193	648	187,238.49	94.58	57.08
95.01% to 100.00%	85	4,303,745.91	1.49	10.223	723	50,632.30	99.94	24.04
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum LTV: 100.00
Minimum LTV: 18.52
WA LTV: 81.45

Top

21. Range of Combined Loan-to-Value Ratios

Range of Combined Loan-to-Value Ratios	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
<= 50.00%	16	$1,950,427.50	0.67%	7.854%	582	$121,901.72	39.94%	70.01%
50.01% - 55.00%	11	2,453,537.74	0.85	7.874	594	223,048.89	53.25	42.50
55.01% - 60.00%	19	2,939,873.42	1.01	8.052	593	154,730.18	58.71	64.09
60.01% - 65.00%	12	2,074,304.39	0.72	7.631	613	172,858.70	61.84	67.60
65.01% - 70.00%	35	5,636,724.85	1.95	8.039	595	161,049.28	68.74	57.92
70.01% - 75.00%	52	9,692,337.66	3.34	8.057	600	186,391.11	73.92	57.88
75.01% - 80.00%	116	22,577,189.02	7.79	7.906	617	194,630.94	78.90	44.24
80.01% - 85.00%	87	17,304,336.14	5.97	7.789	610	198,900.42	84.30	62.06
85.01% - 90.00%	171	42,150,508.92	14.54	7.759	645	246,494.20	87.70	37.84
90.01% - 95.00%	90	20,934,905.97	7.22	7.570	654	232,610.07	86.32	43.51
95.01% - 100.00%	902	162,085,112.47	55.93	7.315	662	179,695.25	81.73	40.26
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum CLTV: 100.00
Minimum CLTV: 18.52
WA CLTV: 92.58

Top

22. Loan Purpose

Loan Purpose	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Purchase	890	$162,691,522.46	56.14%	7.423%	661	$182,799.46	82.13%	37.19%
Refinance - Cashout	123	26,667,031.29	9.20	7.700	636	216,805.13	80.24	41.40
Refinance - Rate/Term	498	100,440,704.33	34.66	7.657	627	201,688.16	80.68	53.82
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

23. Types of Mortgaged Property Types

Types of Mortgaged Property Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Condominium	106	$19,607,049.88	6.77%	7.490%	651	$184,972.17	81.72%	40.84%
Planned Unit Development	241	46,183,820.08	15.94	7.463	643	191,634.11	80.87	53.43
Single Family Attached	10	1,253,198.74	0.43	7.933	608	125,319.87	79.68	69.64
Single Family Detached	1,072	199,907,266.54	68.98	7.544	644	186,480.66	81.35	43.62
Townhouse	3	326,496.51	0.11	7.960	585	108,832.17	86.79	67.92
Two-to-Four Family	79	22,521,426.33	7.77	7.541	675	285,081.35	83.35	20.54
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

24. Documentation Summary

Documentation Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12 Month Bank Statements	87	$21,219,457.13	7.32%	7.438%	632	$243,901.81	82.20%	0.00%
24 Month Bank Statements	28	7,546,025.94	2.60	7.308	635	269,500.93	85.19	0.00
Full Documentation	836	125,606,128.09	43.34	7.536	617	150,246.56	80.62	100.00
Limited Documentation	2	709,870.00	0.24	7.258	640	354,935.00	83.58	0.00
Stated Income Self-Employed	214	56,127,318.54	19.37	7.495	670	262,277.19	81.37	0.00
Stated Income Wage Earner	344	78,590,458.37	27.12	7.592	683	228,460.63	82.26	0.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

25. Occupancy Types

Occupancy Types	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
Investment Property	28	$5,178,773.89	1.79%	7.974%	672	$184,956.21	75.20%	52.36%
Primary Home	1,483	284,620,484.19	98.21	7.521	646	191,922.11	81.57	43.18
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

26. Mortgage Loan Age (Months)

Mortgage Loan Age (Months)	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
0	624	$92,093,959.00	31.78%	7.910%	627	$147,586.47	80.92%	57.39%
1	883	196,160,799.07	67.69	7.354	656	222,152.66	81.68	36.97
4	3	1,304,500.00	0.45	6.906	691	434,833.33	83.42	0.00
12	1	240,000.00	0.08	8.750	578	240,000.00	87.28	100.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Minimum Seasoning: 0
Maximum Seasoning: 12
WA Seasoning: 1

Top

27. Original Prepayment Penalty Term

Original Prepayment Penalty Term	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
6 Months	31	$3,260,727.59	1.13%	8.596%	596	$105,184.76	81.46%	78.16%
12 Months	23	5,704,274.19	1.97	7.789	649	248,011.92	77.01	39.95
24 Months	954	200,360,404.02	69.14	7.334	652	210,021.39	81.70	38.16
36 Months	152	26,096,771.47	9.01	7.463	645	171,689.29	79.14	68.58
None	351	54,377,080.80	18.76	8.192	631	154,920.46	82.11	48.58
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Minimum Prepayment Penalty Term: 0
Maximum Prepayment Penalty Term: 36
WA Prepayment Penalty Term: 25

Top

28. Range of Credit Scores

Range of Credit Scores	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
501 to 525	15	$2,244,206.63	0.77%	9.729%	518	$149,613.78	73.03%	100.00%
526 to 550	68	10,120,200.08	3.49	8.921	541	148,826.47	75.61	65.87
551 to 575	88	13,184,439.66	4.55	8.433	564	149,823.18	77.93	71.96
576 to 600	225	36,948,667.59	12.75	7.639	589	164,216.30	80.31	73.72
601 to 625	276	45,862,478.88	15.83	7.536	613	166,168.40	80.95	68.44
626 to 650	216	42,610,328.24	14.70	7.407	638	197,270.04	81.79	56.64
651 to 675	207	49,565,724.42	17.10	7.350	663	239,447.94	81.54	24.91
676 to 700	193	42,479,453.33	14.66	7.206	688	220,100.79	82.72	14.47
701 to 725	130	25,677,410.17	8.86	7.468	712	197,518.54	83.62	14.54
726 to 750	50	11,166,695.45	3.85	7.267	737	223,333.91	85.30	13.11
751 to 775	31	6,181,257.74	2.13	7.307	763	199,395.41	81.98	11.92
776 to 800	10	3,308,440.17	1.14	7.071	781	330,844.02	85.71	0.70
801 to 825	2	449,955.73	0.16	7.492	808	224,977.87	84.00	0.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Maximum FICO: 808
Minimum FICO: 509
WA FICO: 647

Top

29. Credit Grade Summary

Credit Grade Summary	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
A	1,419	$274,448,001.86	94.70%	7.465%	651	$193,409.44	81.84%	42.10%
A-	40	7,391,950.53	2.55	8.281	588	184,798.76	77.70	61.15
B	33	5,324,255.59	1.84	8.824	569	161,341.08	73.15	64.71
C	16	2,409,087.34	0.83	9.447	538	150,567.96	68.99	78.26
D	3	225,962.76	0.08	10.483	572	75,320.92	60.81	100.00
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

30. Range of Gross Margins

Range of Gross Margins	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
3.001% to 3.500%	2	$431,801.11	0.17%	7.357%	630	$215,900.56	80.00%	100.00%
3.501% to 4.000%	4	611,107.46	0.23	7.124	651	152,776.87	80.00	100.00
4.501% to 5.000%	2	440,700.00	0.17	9.169	597	220,350.00	82.29	0.00
5.001% to 5.500%	272	51,686,197.00	19.80	7.521	616	190,022.78	81.93	66.87
5.501% to 6.000%	655	155,888,011.45	59.72	7.380	655	237,996.96	81.46	33.50
6.001% to 6.500%	333	51,986,341.50	19.91	7.705	649	156,115.14	80.60	38.79
Total:	1,268	$261,044,158.52	100.00%	7.475%	646	$205,870.79	81.38%	41.37%

Maximum Gross Margin: 6.250%
Minimum Gross Margin: 3.400%
WA Gross Margin: 5.833%

Top

31. Range of Maximum Mortgage Rates

Range of Maximum Mortgage Rates	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
12.001 to 12.500	50	$13,277,718.51	5.09%	6.451%	669	$265,554.37	80.94%	61.15%
12.501 to 13.000	338	86,840,518.69	33.27	6.837	670	256,924.61	81.48	37.76
13.001 to 13.500	302	65,451,641.27	25.07	7.305	650	216,727.29	80.96	40.13
13.501 to 14.000	261	47,748,730.24	18.29	7.789	637	182,945.33	81.28	39.00
14.001 to 14.500	117	19,498,957.22	7.47	8.325	617	166,657.75	82.69	48.08
14.501 to 15.000	98	15,702,157.29	6.02	8.763	607	160,226.09	82.49	39.49
15.001 to 15.500	44	5,777,311.06	2.21	9.311	578	131,302.52	82.18	53.58
15.501 to 16.000	31	3,852,194.08	1.48	9.847	557	124,264.33	77.52	42.20
16.001 to 16.500	19	1,900,605.27	0.73	10.312	574	100,031.86	83.41	64.50
16.501 to 17.000	8	994,324.90	0.38	10.768	526	124,290.61	73.72	67.62
Total:	1,268	$261,044,158.52	100.00%	7.475%	646	$205,870.79	81.38%	41.37%

Maximum Max Rate: 17.000%
Minimum Max Rate: 12.250%
WA Max Rate: 13.475%

Top

32. Next Rate Adjustment Date

Next Rate Adjustment Date	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
2006-12	1	$240,000.00	0.09%	8.750%	578	$240,000.00	87.28%	100.00%
2007-08	2	892,500.00	0.34	6.867	720	446,250.00	85.00	0.00
2007-11	772	180,192,560.97	69.03	7.320	655	233,410.05	81.60	34.90
2007-12	453	71,089,684.00	27.23	7.882	621	156,930.87	80.69	55.33
2008-08	1	412,000.00	0.16	6.990	627	412,000.00	80.00	0.00
2008-11	16	3,322,170.69	1.27	7.554	650	207,635.67	83.24	66.97
2008-12	12	1,398,772.00	0.54	7.661	622	116,564.33	78.77	66.43
2010-11	6	1,964,055.86	0.75	7.265	679	327,342.64	82.55	69.45
2010-12	5	1,532,415.00	0.59	7.089	670	306,483.00	81.03	66.12
Total:	1,268	$261,044,158.52	100.00%	7.475%	646	$205,870.79	81.38%	41.37%

Top

33. Zip Code

Zip Code	Number of Mortgage Loans	Aggregate Principal Balance Outstanding	Percent of Mortgage Pool	Weighted Average Coupon	Weighted Average Credit Score	Average Principal Balance Outstanding	Weighted Average Original LTV	Percent Full Documentation
90805	6	$2,454,180.00	0.85%	7.082%	696	$409,030.00	84.67%	0.00%
92840	4	1,741,600.00	0.60	6.698	647	435,400.00	78.78	27.24
92804	4	1,736,000.00	0.60	6.945	626	434,000.00	80.00	27.65
91402	4	1,631,500.00	0.56	6.812	673	407,875.00	83.52	0.00
98042	5	1,556,224.16	0.54	7.768	616	311,244.83	85.40	42.77
91744	4	1,380,950.00	0.48	7.027	687	345,237.50	83.53	0.00
90019	3	1,372,938.51	0.47	7.262	714	457,646.17	86.12	0.00
94591	2	1,337,850.00	0.46	7.265	676	668,925.00	82.30	46.06
92376	5	1,319,848.16	0.46	7.252	644	263,969.63	83.06	0.00
90650	4	1,286,320.00	0.44	7.325	680	321,580.00	82.87	8.16
Other	1,470	273,981,847.25	94.54	7.553	646	186,382.21	81.36	44.99
Total:	1,511	$289,799,258.07	100.00%	7.530%	647	$191,793.02	81.45%	43.34%

Top

34. Initial Interest Rate Cap

Minimum: 2.000%
Maximum: 3.000%
WA: 2.987%

Top

35. Periodic Rate Cap

Minimum: 1.000%
Maximum: 1.000%
WA: 1.000%

Top

36. Min Mortgage Rate

Minimum: 6.250%
Maximum: 11.000%
WA: 7.475%

Top

37. Months to Roll

Minimum: 12
Maximum: 60
WA: 24

Top

Credit Suisse First Boston
11 Madison Avenue
New York, New York 10010
www.csfb.com
Jan 3, 2006 09:26

Fieldstone Mortgage Investment Trust, Series 2005-3 8-K