8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549
_____
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15 (d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (date of earliest event reported) June 30, 2005
CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
(Exact name of registrant as specified in its charter)
Delaware (State or other jurisdiction of incorporation)	333-120966 (Commission File Number)		13-3320910 (IRS Employer ID Number)
11 Madison Avenue New York, New York		10010
(Address of principal executive offices)		(Zip Code)
Registrant’s Telephone Number, including area code:		(212) 325-2000
No Change (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[     ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[     ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[     ]	Pre-commencement communications pursuant to Rule 14d-2(d) under the Exchange Act (17 CFR 240.14d-2(b))
[     ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 9.01.

Financial Statements, Pro Forma Financial.

Filing of Computational Materials

Pursuant to Rule 424(b) under the Securities Act of 1933, concurrently with, or subsequent to, the filing of this Current Report on Form 8-K (the “Form 8-K”), Credit Suisse First Boston Mortgage Securities Corp. (the “Company”) is filing a prospectus and prospectus supplement with the Securities and Exchange Commission relating to its Credit Suisse First Boston Mortgage Securities Corp., CSFB Mortgage-Backed Pass-Through Certificates, Series 2005-6.

In connection with the offering of the CSFB Mortgage-Backed Pass-Through Certificates, Series 2005-6, Credit Suisse First Boston LLC (“CSFB”), as underwriter of the Certificates, has prepared certain materials (the “Computational Materials”) for distribution to their potential investors.  Although the Company provided CSFB with certain information regarding the characteristics of the Mortgage Loans in the related portfolio, the Company did not participate in the preparation of the Computational Materials.

For purposes of this Form 8-K, “Computational Materials” shall mean computer generated tables and/or charts displaying, with respect to any Class or Classes of Certificates, any of the following:  yield; average life; duration; expected maturity; interest rate sensitivity; loss sensitivity; cash flow characteristics; background information regarding the Mortgage Loans; the proposed structure; decrement tables; or similar information (tabular or otherwise) of a statistical, mathematical, tabular or computational nature.  

The Computational Materials are attached hereto as Exhibit 99.1.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.

By:

/s/ Kevin Steele           

Name:

Kevin Steele

Title:

Director

Dated: June 30, 2005

Exhibit Index

Exhibit

Page

99.1

Computational Materials

1

EX-99.1

Deal Summary Report

CSFB05-6G2BBG

				Assumptions							Collateral
Settlement	30-Jun-05	Prepay		300 PSA					Balance	WAC	WAM	Age	WAL	Dur
1st Pay Date	25-Jul-05	Default		0 CDR					$103,092,784.00	6	358	2	5.58	4.38
		Recovery	0	months
		Severity		0%
Tranche	Balance	Coupon	Principal	Avg	Dur	Yield	Spread	Bench	Price	$@1bp	Accrued	NetNet	Dated	Notes
Name			Window	Life			bp		%		Int(M)	(MM)	Date
2P10	25,392,201.00	5.5	07/05 - 06/23	7.99	6.05	5.183	115	Interp	101-30.32	15733.8	112.5	25.999	1-Jun-05	FIX
2Z1	387,799.00	5.5	06/23 - 03/35	21.02	20.02	5.857	150	Interp	93-29.11	732.67	1.72	0.366	1-Jun-05	FIX
2P1	3,108,282.00	6	07/05 - 09/15	3.92		0	0	Interp			15.02	0	1-Jun-05	FIX
2P2	3,108,282.00	5.75	07/05 - 09/15	3.92		0	0	Interp			14.4	0	1-Jun-05	FIX
2P3	3,108,282.00	5.5	07/05 - 09/15	3.92		0	0	Interp			13.77	0	1-Jun-05	FIX
2P4	3,108,282.00	5.25	07/05 - 09/15	3.92		0	0	Interp			13.15	0	1-Jun-05	FIX
2P5	3,108,282.00	5	07/05 - 09/15	3.92		0	0	Interp			12.52	0	1-Jun-05	FIX
2P6	3,108,282.00	4.75	07/05 - 09/15	3.92		0	0	Interp			11.89	0	1-Jun-05	FIX
2P7	3,108,282.00	4.5	07/05 - 09/15	3.92		0	0	Interp			11.27	0	1-Jun-05	FIX
2P8	3,108,282.00	4.25	07/05 - 09/15	3.92		0	0	Interp			10.64	0	1-Jun-05	FIX
2P9	3,108,290.00	4	07/05 - 09/15	3.92		0	0	Interp			10.02	0	1-Jun-05	FIX
2F1	13,987,272.00	3.49	07/05 - 09/15	3.92		0	0	Interp			6.78	0	25-Jun-05	FLT
2I1	13,987,272.00	3.01	07/05 - 09/15	3.92		0	0	Interp			5.85	0	25-Jun-05	INV_IO
2A1	10,000,000.00	3.49	07/05 - 09/15	3.92		0	0	Interp			4.85	0	25-Jun-05	FLT
2I2	1,818,182.00	16.555	07/05 - 09/15	3.92		0	0	Interp			4.18	0	25-Jun-05	INV
2Z2	5,000.00	5.5	09/15 - 03/35	11.14	10.43	6.159	200	Interp	93-18.63	4.9	0.02	0.005	1-Jun-05	FIX
2C1	20,435,000.00	5.5	07/05 - 04/35	5.58	4.11	5.835	193	Interp	98-16.50	8307.56	90.54	20.222	1-Jun-05	FIX
2B1	3,092,784.00	5.5	07/05 - 04/35	10.3	7.38	5.47	133	Interp	100-10.50	2300.46	13.7	3.117	1-Jun-05	FIX

Treasury                                  Swaps                                 

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR   

Yld 3.160 3.671 3.769 3.878 4.136 4.452   3.797 4.050 4.175 4.324 4.583 4.908   

CSFB05-6G2BBG - Dec - 2P10
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	95	95	95	95
25-Jun-07	90	90	90	90	90
25-Jun-08	84	84	84	84	84
25-Jun-09	78	78	78	78	78
25-Jun-10	72	72	72	72	72
25-Jun-11	65	65	65	65	53
25-Jun-12	58	58	58	58	34
25-Jun-13	50	50	50	44	22
25-Jun-14	42	42	42	31	13
25-Jun-15	34	34	34	23	8
25-Jun-16	25	25	25	16	5
25-Jun-17	19	19	19	11	2
25-Jun-18	13	13	13	7	*
25-Jun-19	9	9	9	4	0
25-Jun-20	6	6	6	2	0
25-Jun-21	4	4	4	*	0
25-Jun-22	2	2	2	0	0
25-Jun-23	0	0	0	0	0
WAL	7.99	7.99	7.99	7.32	6.09
Principal Window	Jul05-Jun23	Jul05-Jun23	Jul05-Jun23	Jul05-Sep21	Jul05-Sep18
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2Z1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	106	106	106	106	106
25-Jun-07	112	112	112	112	112
25-Jun-08	118	118	118	118	118
25-Jun-09	125	125	125	125	125
25-Jun-10	132	132	132	132	132
25-Jun-11	139	139	139	139	139
25-Jun-12	147	147	147	147	147
25-Jun-13	155	155	155	155	155
25-Jun-14	164	164	164	164	164
25-Jun-15	173	173	173	173	173
25-Jun-16	183	183	183	183	183
25-Jun-17	193	193	193	193	193
25-Jun-18	204	204	204	204	204
25-Jun-19	216	216	216	216	151
25-Jun-20	228	228	228	228	102
25-Jun-21	241	241	241	241	68
25-Jun-22	254	254	254	186	45
25-Jun-23	266	266	266	134	30
25-Jun-24	197	197	197	96	20
25-Jun-25	145	145	145	68	13
25-Jun-26	106	106	106	48	8
25-Jun-27	76	76	76	33	5
25-Jun-28	54	54	54	22	3
25-Jun-29	37	37	37	15	2
25-Jun-30	25	25	25	10	1
25-Jun-31	16	16	16	6	1
25-Jun-32	10	10	10	3	*
25-Jun-33	5	5	5	2	*
25-Jun-34	2	2	2	1	*
25-Jun-35	0	0	0	0	0
WAL	21.02	21.02	21.02	19.09	15.71
Principal Window	Jun23-Mar35	Jun23-Mar35	Jun23-Mar35	Sep21-Apr35	Sep18-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P3
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P4
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P5
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P6
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P7
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P8
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P9
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2F1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2I1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2A1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2I2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2Z2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	106	106	106	106	106
25-Jun-07	112	112	112	112	112
25-Jun-08	118	118	118	118	118
25-Jun-09	125	125	125	125	125
25-Jun-10	132	132	132	132	132
25-Jun-11	139	139	139	139	0
25-Jun-12	147	147	147	147	0
25-Jun-13	155	155	155	0	0
25-Jun-14	164	164	164	0	0
25-Jun-15	173	173	173	0	0
25-Jun-16	183	183	8	0	0
25-Jun-17	193	193	8	0	0
25-Jun-18	204	204	8	0	0
25-Jun-19	216	216	8	0	0
25-Jun-20	228	228	8	0	0
25-Jun-21	241	241	8	0	0
25-Jun-22	254	254	8	0	0
25-Jun-23	269	8	8	0	0
25-Jun-24	284	8	8	0	0
25-Jun-25	300	8	8	0	0
25-Jun-26	317	8	8	0	0
25-Jun-27	334	8	8	0	0
25-Jun-28	353	8	8	0	0
25-Jun-29	373	8	8	0	0
25-Jun-30	394	8	8	0	0
25-Jun-31	417	8	8	0	0
25-Jun-32	8	8	8	0	0
25-Jun-33	8	8	8	0	0
25-Jun-34	8	8	8	0	0
25-Jun-35	0	0	0	0	0
WAL	26.79	18.17	11.14	7.24	5.4
Principal Window	Mar32~Mar35	Apr23~Mar35	Sep15~Mar35	Sep12-Sep12	Nov10-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2C1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	91	83	74
25-Jun-07	100	100	73	47	21
25-Jun-08	100	100	53	9	0
25-Jun-09	100	100	40	0	0
25-Jun-10	100	100	32	0	0
25-Jun-11	100	100	29	0	0
25-Jun-12	100	100	27	0	0
25-Jun-13	100	100	25	0	0
25-Jun-14	100	100	22	0	0
25-Jun-15	100	100	19	0	0
25-Jun-16	100	100	17	0	0
25-Jun-17	100	100	14	0	0
25-Jun-18	100	100	12	0	0
25-Jun-19	100	100	10	0	0
25-Jun-20	100	100	9	0	0
25-Jun-21	100	100	7	0	0
25-Jun-22	100	100	6	0	0
25-Jun-23	100	98	5	0	0
25-Jun-24	100	87	4	0	0
25-Jun-25	100	77	3	0	0
25-Jun-26	100	67	2	0	0
25-Jun-27	100	58	2	0	0
25-Jun-28	100	49	1	0	0
25-Jun-29	100	41	1	0	0
25-Jun-30	100	33	1	0	0
25-Jun-31	100	25	*	0	0
25-Jun-32	92	18	*	0	0
25-Jun-33	61	11	*	0	0
25-Jun-34	29	5	*	0	0
25-Jun-35	0	0	0	0	0
WAL	28.35	23.23	5.58	1.91	1.46
Principal Window	Mar32-Apr35	Apr23-Apr35	Jul05-Apr35	Jul05-Nov08	Jul05-Nov07
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	97	97	97	97	97
25-Jun-08	96	96	96	96	96
25-Jun-09	95	95	95	95	95
25-Jun-10	93	93	93	93	93
25-Jun-11	91	90	86	84	82
25-Jun-12	90	86	78	74	70
25-Jun-13	88	81	68	61	55
25-Jun-14	86	75	57	48	41
25-Jun-15	83	69	45	36	28
25-Jun-16	81	63	36	26	19
25-Jun-17	79	58	29	19	13
25-Jun-18	76	52	23	14	9
25-Jun-19	74	47	18	11	6
25-Jun-20	71	43	14	8	4
25-Jun-21	68	39	11	6	3
25-Jun-22	64	34	9	4	2
25-Jun-23	61	31	7	3	1
25-Jun-24	57	27	5	2	1
25-Jun-25	53	24	4	1	1
25-Jun-26	49	21	3	1	*
25-Jun-27	45	18	2	1	*
25-Jun-28	40	15	2	*	*
25-Jun-29	35	12	1	*	*
25-Jun-30	30	10	1	*	*
25-Jun-31	25	8	1	*	*
25-Jun-32	19	5	*	*	*
25-Jun-33	12	3	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	14.43	10.3	9.32	8.64
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	97	94	92	90
25-Jun-07	97	92	81	76	71
25-Jun-08	96	85	66	57	49
25-Jun-09	95	79	53	43	34
25-Jun-10	93	73	43	32	23
25-Jun-11	91	67	34	24	16
25-Jun-12	90	62	28	18	11
25-Jun-13	88	57	22	13	8
25-Jun-14	86	52	18	10	5
25-Jun-15	83	48	14	7	4
25-Jun-16	81	44	11	5	2
25-Jun-17	79	40	9	4	2
25-Jun-18	76	36	7	3	1
25-Jun-19	74	33	6	2	1
25-Jun-20	71	30	4	2	1
25-Jun-21	68	27	4	1	*
25-Jun-22	64	24	3	1	*
25-Jun-23	61	21	2	1	*
25-Jun-24	57	19	2	*	*
25-Jun-25	53	17	1	*	*
25-Jun-26	49	14	1	*	*
25-Jun-27	45	12	1	*	*
25-Jun-28	40	10	1	*	*
25-Jun-29	35	9	*	*	*
25-Jun-30	30	7	*	*	*
25-Jun-31	25	5	*	*	*
25-Jun-32	19	4	*	*	*
25-Jun-33	12	2	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	11.21	5.58	4.44	3.7
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G11BBG

$       PRICING: 100 PPC

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 11PT1 }

$       ORIGINAL_AMOUNT: 45000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 11B1 }

$       ORIGINAL_AMOUNT: 2872340.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 11PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 11B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  5.500000000   47872340.00   47872340.00  6.100000000            WAM=174 174 6

CSFB 05-6

Group 11

Pay rules

1.

Pay the 11PT1 until retired

Notes

Pxing Speed = 100PPC (8 TO 20 CPR OVER 12 MONTHS, 20 CPR THEREAFTER)

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G10BBG

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

100 PPC

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$42,553,192.00

5.27

174

6

3.46

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

10PT1

40,000,000.00

4.5

07/05 - 12/19

3.23

0

0

Interp

145

0

1-Jun-05

FIX

10B1

2,553,192.00

4.5

07/05 - 12/19

7.05

0

0

Interp

9.26

0

1-Jun-05

FIX

Treasury

Swaps

Mat   6MO   2YR   3YR   5YR  10YR  30YR

1YR   2YR   3YR   5YR  10YR  30YR

Yld 3.119 3.687 3.732 3.815 4.013 4.285

3.819 4.030 4.112 4.219 4.417 4.720

CSFB05-6G10BBG - Dec - 10PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	86	76	67	57
25-Jun-07	90	73	57	43	30
25-Jun-08	85	61	42	26	15
25-Jun-09	80	51	30	16	6
25-Jun-10	74	42	21	9	2
25-Jun-11	68	34	15	5	0
25-Jun-12	61	28	11	2	0
25-Jun-13	54	22	7	1	0
25-Jun-14	47	17	5	1	0
25-Jun-15	39	13	3	*	0
25-Jun-16	32	9	2	*	0
25-Jun-17	23	6	1	*	0
25-Jun-18	14	3	1	*	0
25-Jun-19	5	1	*	*	0
25-Jun-20	0	0	0	0	0
WAL	8.19	4.98	3.23	2.21	1.6
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-May11
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.               

CSFB05-6G10BBG - Dec - 10B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	95	95	95	95
25-Jun-07	90	90	90	90	90
25-Jun-08	85	85	85	85	85
25-Jun-09	80	80	80	80	80
25-Jun-10	74	74	74	74	74
25-Jun-11	68	65	63	61	55
25-Jun-12	61	57	52	48	30
25-Jun-13	54	47	41	34	16
25-Jun-14	47	38	30	22	8
25-Jun-15	39	29	20	13	4
25-Jun-16	32	20	13	7	2
25-Jun-17	23	13	7	4	1
25-Jun-18	14	7	4	2	*
25-Jun-19	5	2	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.19	7.55	7.05	6.66	5.91
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.               

CSFB05-6G10BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	86	78	69	60
25-Jun-07	90	74	59	46	34
25-Jun-08	85	62	44	30	19
25-Jun-09	80	53	33	20	11
25-Jun-10	74	44	25	13	6
25-Jun-11	68	36	18	8	3
25-Jun-12	61	29	13	5	2
25-Jun-13	54	24	9	3	1
25-Jun-14	47	18	6	2	*
25-Jun-15	39	14	4	1	*
25-Jun-16	32	10	3	1	*
25-Jun-17	23	7	2	*	*
25-Jun-18	14	4	1	*	*
25-Jun-19	5	1	*	*	*
25-Jun-20	0	0	0	0	0
WAL	8.19	5.13	3.46	2.48	1.86
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.               

CSFB 05-6

Group 10

Pay rules

1.

Pay the 10PT1 until retired

Notes

Pxing Speed = 100PPC (8 TO 20 CPR OVER 12 MONTHS, 20 CPR THEREAFTER)

Settlement = 6/30/05

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G10BBG

$       PRICING: 100 PPC

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 10PT1 }

$       ORIGINAL_AMOUNT: 40000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 10B1 }

$       ORIGINAL_AMOUNT: 2553192.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 10PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 10B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  4.500000000   42553192.00   42553192.00  5.270000000            WAM=174 174 6

CSFB 05-6

Group 2

Pay rules

1.

Pay according to the aggregate PAC schedule A as follows:

a.

Pay according to the aggregate PAC schedule B as follows:

i.

Pay to the 2P10 until retired

ii.

Pay to the 2Z1 until retired

b.

Pay pro-rata to the 2P1-2P9, 2F1, 2A1, 2I2 until retired

c.

Pay the 2Z2 until retired

d.

Pay disregarding the aggregate PAC schedule B as follows:

i.

Pay to the 2P10 until retired

ii.

Pay to the 2Z1 until retired

2.

Pay the 2C1 until retired

3.

Pay disregarding the aggregate PAC schedule A as follows:

a.

Pay according to the aggregate PAC schedule B as follows:

i.

Pay to the 2P10 until retired

ii.

Pay to the 2Z1 until retired

b.

Pay pro-rata to the 2P1-2P9, 2F1, 2A1, 2I2 until retired

c.

Pay the 2Z2 until retired

d.

Pay disregarding the aggregate PAC schedule B as follows:

i.

Pay to the 2P10 until retired

ii.

Pay to the 2Z1 until retired

Notes

Accrual rules:

Pay the 2Z1 accrual amount sequentially to 2P10 and then to the 2Z1

Pay the 2Z2 accrual amount pro-rata to the 2P1-2P9, 2F1, 2A1, 2I2 and then to the 2Z2

Pxing Speed = 300PSA

Floater Bonds:

2F1– 0 day delay, 1ML + .40%, 6.5% Cap, .40% Floor, Initial Libor – 3.09%

2A1– 0 day delay, 1ML + .40%, 6.5% Cap, .40% Floor, Initial Libor – 3.09%

Inverse Bonds:

2I1 – 0 day delay, 6.1% - 1ML, 6.1% Cap, 0% Floor, Initial Libor – 3.09%

2I2 – 0 day delay, 33.54999993% - 5.49999999*1ML, 33.54999993% Cap, 0% Floor, Initial Libor – 3.09%

Notional

2I1=2F1

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G2BBG

				Assumptions							Collateral
Settlement	30-Jun-05	Prepay		300 PSA					Balance	WAC	WAM	Age	WAL	Dur
1st Pay Date	25-Jul-05	Default		0 CDR					$103,092,784.00	6	358	2	5.58	4.38
		Recovery	0	months
		Severity		0%
Tranche	Balance	Coupon	Principal	Avg	Dur	Yield	Spread	Bench	Price	$@1bp	Accrued	NetNet	Dated	Notes
Name			Window	Life			bp		%		Int(M)	(MM)	Date
2P10	25,392,201.00	5.5	07/05 - 06/23	7.99	6.05	5.183	115	Interp	101-30.32	15733.8	112.5	25.999	1-Jun-05	FIX
2Z1	387,799.00	5.5	06/23 - 03/35	21.02	20.02	5.857	150	Interp	93-29.11	732.67	1.72	0.366	1-Jun-05	FIX
2P1	3,108,282.00	6	07/05 - 09/15	3.92		0	0	Interp			15.02	0	1-Jun-05	FIX
2P2	3,108,282.00	5.75	07/05 - 09/15	3.92		0	0	Interp			14.4	0	1-Jun-05	FIX
2P3	3,108,282.00	5.5	07/05 - 09/15	3.92		0	0	Interp			13.77	0	1-Jun-05	FIX
2P4	3,108,282.00	5.25	07/05 - 09/15	3.92		0	0	Interp			13.15	0	1-Jun-05	FIX
2P5	3,108,282.00	5	07/05 - 09/15	3.92		0	0	Interp			12.52	0	1-Jun-05	FIX
2P6	3,108,282.00	4.75	07/05 - 09/15	3.92		0	0	Interp			11.89	0	1-Jun-05	FIX
2P7	3,108,282.00	4.5	07/05 - 09/15	3.92		0	0	Interp			11.27	0	1-Jun-05	FIX
2P8	3,108,282.00	4.25	07/05 - 09/15	3.92		0	0	Interp			10.64	0	1-Jun-05	FIX
2P9	3,108,290.00	4	07/05 - 09/15	3.92		0	0	Interp			10.02	0	1-Jun-05	FIX
2F1	13,987,272.00	3.49	07/05 - 09/15	3.92		0	0	Interp			6.78	0	25-Jun-05	FLT
2I1	13,987,272.00	3.01	07/05 - 09/15	3.92		0	0	Interp			5.85	0	25-Jun-05	INV_IO
2A1	10,000,000.00	3.49	07/05 - 09/15	3.92		0	0	Interp			4.85	0	25-Jun-05	FLT
2I2	1,818,182.00	16.555	07/05 - 09/15	3.92		0	0	Interp			4.18	0	25-Jun-05	INV
2Z2	5,000.00	5.5	09/15 - 03/35	11.14	10.43	6.159	200	Interp	93-18.63	4.9	0.02	0.005	1-Jun-05	FIX
2C1	20,435,000.00	5.5	07/05 - 04/35	5.58	4.11	5.835	193	Interp	98-16.50	8307.56	90.54	20.222	1-Jun-05	FIX
2B1	3,092,784.00	5.5	07/05 - 04/35	10.3	7.38	5.47	133	Interp	100-10.50	2300.46	13.7	3.117	1-Jun-05	FIX

Treasury                                  Swaps                                 

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR   

Yld 3.160 3.671 3.769 3.878 4.136 4.452   3.797 4.050 4.175 4.324 4.583 4.908   

CSFB05-6G2BBG - Dec - 2P10
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	95	95	95	95
25-Jun-07	90	90	90	90	90
25-Jun-08	84	84	84	84	84
25-Jun-09	78	78	78	78	78
25-Jun-10	72	72	72	72	72
25-Jun-11	65	65	65	65	53
25-Jun-12	58	58	58	58	34
25-Jun-13	50	50	50	44	22
25-Jun-14	42	42	42	31	13
25-Jun-15	34	34	34	23	8
25-Jun-16	25	25	25	16	5
25-Jun-17	19	19	19	11	2
25-Jun-18	13	13	13	7	*
25-Jun-19	9	9	9	4	0
25-Jun-20	6	6	6	2	0
25-Jun-21	4	4	4	*	0
25-Jun-22	2	2	2	0	0
25-Jun-23	0	0	0	0	0
WAL	7.99	7.99	7.99	7.32	6.09
Principal Window	Jul05-Jun23	Jul05-Jun23	Jul05-Jun23	Jul05-Sep21	Jul05-Sep18
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2Z1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	106	106	106	106	106
25-Jun-07	112	112	112	112	112
25-Jun-08	118	118	118	118	118
25-Jun-09	125	125	125	125	125
25-Jun-10	132	132	132	132	132
25-Jun-11	139	139	139	139	139
25-Jun-12	147	147	147	147	147
25-Jun-13	155	155	155	155	155
25-Jun-14	164	164	164	164	164
25-Jun-15	173	173	173	173	173
25-Jun-16	183	183	183	183	183
25-Jun-17	193	193	193	193	193
25-Jun-18	204	204	204	204	204
25-Jun-19	216	216	216	216	151
25-Jun-20	228	228	228	228	102
25-Jun-21	241	241	241	241	68
25-Jun-22	254	254	254	186	45
25-Jun-23	266	266	266	134	30
25-Jun-24	197	197	197	96	20
25-Jun-25	145	145	145	68	13
25-Jun-26	106	106	106	48	8
25-Jun-27	76	76	76	33	5
25-Jun-28	54	54	54	22	3
25-Jun-29	37	37	37	15	2
25-Jun-30	25	25	25	10	1
25-Jun-31	16	16	16	6	1
25-Jun-32	10	10	10	3	*
25-Jun-33	5	5	5	2	*
25-Jun-34	2	2	2	1	*
25-Jun-35	0	0	0	0	0
WAL	21.02	21.02	21.02	19.09	15.71
Principal Window	Jun23-Mar35	Jun23-Mar35	Jun23-Mar35	Sep21-Apr35	Sep18-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P3
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P4
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P5
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P6
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P7
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P8
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2P9
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2F1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2I1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2A1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2I2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	97	94	94	94
25-Jun-07	100	89	79	79	79
25-Jun-08	100	79	60	60	48
25-Jun-09	100	70	43	39	22
25-Jun-10	100	61	30	21	4
25-Jun-11	100	54	18	9	0
25-Jun-12	100	47	10	1	0
25-Jun-13	100	42	4	0	0
25-Jun-14	100	37	1	0	0
25-Jun-15	100	33	*	0	0
25-Jun-16	100	29	0	0	0
25-Jun-17	98	25	0	0	0
25-Jun-18	96	21	0	0	0
25-Jun-19	93	17	0	0	0
25-Jun-20	89	12	0	0	0
25-Jun-21	84	8	0	0	0
25-Jun-22	79	3	0	0	0
25-Jun-23	73	0	0	0	0
25-Jun-24	67	0	0	0	0
25-Jun-25	60	0	0	0	0
25-Jun-26	53	0	0	0	0
25-Jun-27	45	0	0	0	0
25-Jun-28	37	0	0	0	0
25-Jun-29	28	0	0	0	0
25-Jun-30	18	0	0	0	0
25-Jun-31	8	0	0	0	0
25-Jun-32	0	0	0	0	0
WAL	20.81	7.78	3.92	3.55	3
Principal Window	Jul05-Mar32	Jul05-Apr23	Jul05-Sep15	Jul05-Sep12	Jul05-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2Z2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	106	106	106	106	106
25-Jun-07	112	112	112	112	112
25-Jun-08	118	118	118	118	118
25-Jun-09	125	125	125	125	125
25-Jun-10	132	132	132	132	132
25-Jun-11	139	139	139	139	0
25-Jun-12	147	147	147	147	0
25-Jun-13	155	155	155	0	0
25-Jun-14	164	164	164	0	0
25-Jun-15	173	173	173	0	0
25-Jun-16	183	183	8	0	0
25-Jun-17	193	193	8	0	0
25-Jun-18	204	204	8	0	0
25-Jun-19	216	216	8	0	0
25-Jun-20	228	228	8	0	0
25-Jun-21	241	241	8	0	0
25-Jun-22	254	254	8	0	0
25-Jun-23	269	8	8	0	0
25-Jun-24	284	8	8	0	0
25-Jun-25	300	8	8	0	0
25-Jun-26	317	8	8	0	0
25-Jun-27	334	8	8	0	0
25-Jun-28	353	8	8	0	0
25-Jun-29	373	8	8	0	0
25-Jun-30	394	8	8	0	0
25-Jun-31	417	8	8	0	0
25-Jun-32	8	8	8	0	0
25-Jun-33	8	8	8	0	0
25-Jun-34	8	8	8	0	0
25-Jun-35	0	0	0	0	0
WAL	26.79	18.17	11.14	7.24	5.4
Principal Window	Mar32~Mar35	Apr23~Mar35	Sep15~Mar35	Sep12-Sep12	Nov10-Nov10
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2C1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	91	83	74
25-Jun-07	100	100	73	47	21
25-Jun-08	100	100	53	9	0
25-Jun-09	100	100	40	0	0
25-Jun-10	100	100	32	0	0
25-Jun-11	100	100	29	0	0
25-Jun-12	100	100	27	0	0
25-Jun-13	100	100	25	0	0
25-Jun-14	100	100	22	0	0
25-Jun-15	100	100	19	0	0
25-Jun-16	100	100	17	0	0
25-Jun-17	100	100	14	0	0
25-Jun-18	100	100	12	0	0
25-Jun-19	100	100	10	0	0
25-Jun-20	100	100	9	0	0
25-Jun-21	100	100	7	0	0
25-Jun-22	100	100	6	0	0
25-Jun-23	100	98	5	0	0
25-Jun-24	100	87	4	0	0
25-Jun-25	100	77	3	0	0
25-Jun-26	100	67	2	0	0
25-Jun-27	100	58	2	0	0
25-Jun-28	100	49	1	0	0
25-Jun-29	100	41	1	0	0
25-Jun-30	100	33	1	0	0
25-Jun-31	100	25	*	0	0
25-Jun-32	92	18	*	0	0
25-Jun-33	61	11	*	0	0
25-Jun-34	29	5	*	0	0
25-Jun-35	0	0	0	0	0
WAL	28.35	23.23	5.58	1.91	1.46
Principal Window	Mar32-Apr35	Apr23-Apr35	Jul05-Apr35	Jul05-Nov08	Jul05-Nov07
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - 2B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	97	97	97	97	97
25-Jun-08	96	96	96	96	96
25-Jun-09	95	95	95	95	95
25-Jun-10	93	93	93	93	93
25-Jun-11	91	90	86	84	82
25-Jun-12	90	86	78	74	70
25-Jun-13	88	81	68	61	55
25-Jun-14	86	75	57	48	41
25-Jun-15	83	69	45	36	28
25-Jun-16	81	63	36	26	19
25-Jun-17	79	58	29	19	13
25-Jun-18	76	52	23	14	9
25-Jun-19	74	47	18	11	6
25-Jun-20	71	43	14	8	4
25-Jun-21	68	39	11	6	3
25-Jun-22	64	34	9	4	2
25-Jun-23	61	31	7	3	1
25-Jun-24	57	27	5	2	1
25-Jun-25	53	24	4	1	1
25-Jun-26	49	21	3	1	*
25-Jun-27	45	18	2	1	*
25-Jun-28	40	15	2	*	*
25-Jun-29	35	12	1	*	*
25-Jun-30	30	10	1	*	*
25-Jun-31	25	8	1	*	*
25-Jun-32	19	5	*	*	*
25-Jun-33	12	3	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	14.43	10.3	9.32	8.64
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G2BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	97	94	92	90
25-Jun-07	97	92	81	76	71
25-Jun-08	96	85	66	57	49
25-Jun-09	95	79	53	43	34
25-Jun-10	93	73	43	32	23
25-Jun-11	91	67	34	24	16
25-Jun-12	90	62	28	18	11
25-Jun-13	88	57	22	13	8
25-Jun-14	86	52	18	10	5
25-Jun-15	83	48	14	7	4
25-Jun-16	81	44	11	5	2
25-Jun-17	79	40	9	4	2
25-Jun-18	76	36	7	3	1
25-Jun-19	74	33	6	2	1
25-Jun-20	71	30	4	2	1
25-Jun-21	68	27	4	1	*
25-Jun-22	64	24	3	1	*
25-Jun-23	61	21	2	1	*
25-Jun-24	57	19	2	*	*
25-Jun-25	53	17	1	*	*
25-Jun-26	49	14	1	*	*
25-Jun-27	45	12	1	*	*
25-Jun-28	40	10	1	*	*
25-Jun-29	35	9	*	*	*
25-Jun-30	30	7	*	*	*
25-Jun-31	25	5	*	*	*
25-Jun-32	19	4	*	*	*
25-Jun-33	12	2	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	11.21	5.58	4.44	3.7
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
LIBOR_1MO	3	3	3	3	3
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the i nformation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

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$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

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$          DEAL: CSFB05-6G2BBG

$       PRICING: 300 PSA

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 2P10 }

$       ORIGINAL_AMOUNT: 25392201.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 2Z1 }

$       ORIGINAL_AMOUNT: 387799.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 3

!{         TRANCHE NAME: 2P1 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 4

!{         TRANCHE NAME: 2P2 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.75

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 5

!{         TRANCHE NAME: 2P3 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 6

!{         TRANCHE NAME: 2P4 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.25

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 7

!{         TRANCHE NAME: 2P5 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 8

!{         TRANCHE NAME: 2P6 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.75

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 9

!{         TRANCHE NAME: 2P7 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 10

!{         TRANCHE NAME: 2P8 }

$       ORIGINAL_AMOUNT: 3108282.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.25

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 11

!{         TRANCHE NAME: 2P9 }

$       ORIGINAL_AMOUNT: 3108290.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 12

!{         TRANCHE NAME: 2F1 }

$       ORIGINAL_AMOUNT: 13987272.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 3.49 Floater Bond

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 0

$            DATED_DATE: 20050625

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

Additional Floater Information

$        FLOATER_INDEX: LIBOR1MO

$        FLOATER_RESET:    Freq: 12; Next: 20050725

$      FLOATER_FORMULA: 0.00000 1.0 .40

$ FLOATER_LIMITS:Thres: 20050625 Floor: .40 Cap: 6.5

--------------------------------------------------

$                 BLOCK: 13

!{         TRANCHE NAME: 2A1 }

$       ORIGINAL_AMOUNT: 10000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 3.49 Floater Bond

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 0

$            DATED_DATE: 20050625

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

Additional Floater Information

$        FLOATER_INDEX: LIBOR1MO

$        FLOATER_RESET:    Freq: 12; Next: 20050725

$      FLOATER_FORMULA: 0.00000 1.0 .40

$ FLOATER_LIMITS:Thres: 20050625 Floor: .40 Cap: 6.5

--------------------------------------------------

$                 BLOCK: 14

!{         TRANCHE NAME: 2I2 }

$       ORIGINAL_AMOUNT: 1818182.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 16.5549999 Floater Bond

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 0

$            DATED_DATE: 20050625

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

Additional Floater Information

$        FLOATER_INDEX: LIBOR1MO

$        FLOATER_RESET:    Freq: 12; Next: 20050725

$      FLOATER_FORMULA: 0.00000 -5.49999999 33.54999993

$ FLOATER_LIMITS:Thres: 20050625 Floor: 0 Cap: 33.54999993

--------------------------------------------------

$                 BLOCK: 15

!{         TRANCHE NAME: 2Z2 }

$       ORIGINAL_AMOUNT: 5000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 16

!{         TRANCHE NAME: 2C1 }

$       ORIGINAL_AMOUNT: 20435000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 17

!{         TRANCHE NAME: 2B1 }

$       ORIGINAL_AMOUNT: 3092784.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

$               PHANTOM: 18

!{         TRANCHE NAME: 2I1 }

$       ORIGINAL_AMOUNT: 13987272.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 3.01 Floater Bond

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 0

$            DATED_DATE: 20050625

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

Additional Floater Information

$        FLOATER_INDEX: LIBOR1MO

$        FLOATER_RESET:    Freq: 12; Next: 20050725

$      FLOATER_FORMULA: 0.00000 -1 6.1

$ FLOATER_LIMITS:Thres: 20050625 Floor: 0. Cap: 6.1

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 2P10

$                 CSORT: 1

$                  TYPE: AD,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 2Z1

$                 CSORT: 2

$                  TYPE: Z,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 3

$                  NAME: 2P1

$                 CSORT: 3

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 3 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 4

$                  NAME: 2P2

$                 CSORT: 4

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 4 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 5

$                  NAME: 2P3

$                 CSORT: 5

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 5 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 6

$                  NAME: 2P4

$                 CSORT: 6

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 6 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 7

$                  NAME: 2P5

$                 CSORT: 7

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 7 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 8

$                  NAME: 2P6

$                 CSORT: 8

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 8 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 9

$                  NAME: 2P7

$                 CSORT: 9

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 9 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 10

$                  NAME: 2P8

$                 CSORT: 10

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 10 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 11

$                  NAME: 2P9

$                 CSORT: 11

$                  TYPE: AD,SUP,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 11 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 12

$                  NAME: 2F1

$                 CSORT: 12

$                  TYPE: AD,SUP,FLT,PAC_

$          RECORD_DELAY: 0

$    COMPOSITION: BLOCK: 12 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 13

$                  NAME: 2I1

$                 CSORT: 13

$                  TYPE: AD,SUP,FLT,NTL,PAC_

$          RECORD_DELAY: 0

$              NOTIONAL:

$    COMPOSITION: BLOCK: 18 PRIN: 100.000000000 INT: 100.000000000

!  ( notional tranche name is 2I1 )

--------------------------------------------------

$               TRANCHE: 14

$                  NAME: 2A1

$                 CSORT: 14

$                  TYPE: AD,SUP,FLT,PAC_

$          RECORD_DELAY: 0

$    COMPOSITION: BLOCK: 13 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 15

$                  NAME: 2I2

$                 CSORT: 15

$                  TYPE: AD,SUP,FLT,INV,PAC_

$          RECORD_DELAY: 0

$    COMPOSITION: BLOCK: 14 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 16

$                  NAME: 2Z2

$                 CSORT: 16

$                  TYPE: SUP,Z,PAC_

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 15 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 17

$                  NAME: 2C1

$                 CSORT: 17

$                  TYPE: SUP

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 16 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 18

$                  NAME: 2B1

$                 CSORT: 18

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 17 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

$      SCHEDULE: 1

$          PAYS: { TRANCHE(2P10,2Z1,2P1,2P2,2P3,2P4,2P5,2P6,2P7,2P8,2P9,2F1,2I1,2A1,2I2,2Z2) }

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       20060325 76483154.98

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       20060625 74850555.39

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       20061025 72231028.24

       20061125 71500543.67

       20061225 70740996.28

       20070125 69953027.66

       20070225 69137308.01

       20070325 68294535.20

       20070425 67425433.80

       20070525 66530754.07

       20070625 65611270.89

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       20070825 63701109.88

       20070925 62712094.57

       20071025 61701598.40

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       20080125 58737627.39

       20080225 57771737.10

       20080325 56816697.19

       20080425 55872389.84

       20080525 54938698.45

       20080625 54015507.70

       20080725 53102703.51

       20080825 52200173.02

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       20081025 50425487.79

       20081125 49553113.36

       20081225 48690573.23

       20090125 47837760.48

       20090225 46994569.37

       20090325 46160895.27

       20090425 45336634.68

       20090525 44521685.23

       20090625 43715945.65

       20090725 42919315.74

       20090825 42131696.41

       20090925 41352989.62

       20091025 40583098.38

       20091125 39821926.77

       20091225 39069379.88

       20100125 38325363.83

       20100225 37589785.76

       20100325 36862553.80

       20100425 36143577.09

       20100525 35432765.72

       20100625 34730030.78

       20100725 34044411.41

       20100825 33366637.65

       20100925 32696623.46

       20101025 32034283.69

       20101125 31379534.15

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       20110125 30092473.40

       20110225 29459998.27

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       20110425 28216755.34

       20110525 27605828.85

       20110625 27001928.00

       20110725 26407850.74

       20110825 25822580.11

       20110925 25249625.78

       20111025 24688736.27

       20111125 24139665.17

       20111225 23602170.98

       20120125 23076017.10

       20120225 22560971.65

       20120325 22056807.43

       20120425 21563301.77

       20120525 21080236.53

       20120625 20607397.92

       20120725 20153702.47

       20120825 19709610.25

       20120925 19274923.43

       20121025 18849448.17

       20121125 18432994.57

       20121225 18025376.55

       20130125 17626411.83

       20130225 17235921.81

       20130325 16853731.48

       20130425 16479669.42

       20130525 16113567.65

       20130625 15755261.62

       20130725 15412348.47

       20130825 15076672.01

       20130925 14748082.77

       20131025 14426434.36

       20131125 14111583.34

       20131225 13803389.20

       20140125 13501714.29

       20140225 13206423.75

       20140325 12917385.48

       20140425 12634470.07

       20140525 12357550.72

       20140625 12086503.25

       20140725 11827485.21

       20140825 11573853.27

       20140925 11325497.61

       20141025 11082310.61

       20141125 10844186.82

       20141225 10611022.90

       20150125 10382717.61

       20150225 10159171.73

       20150325 9940288.06

       20150425 9725971.33

       20150525 9516128.22

       20150625 9310667.27

       20150725 9109498.86

       20150825 8912535.21

       20150925 8719690.26

       20151025 8530879.73

       20151125 8346021.01

       20151225 8165033.18

       20160125 7987836.93

       20160225 7814354.58

       20160325 7644509.99

       20160425 7478228.57

       20160525 7315437.24

       20160625 7156064.39

       20160725 7000039.86

       20160825 6847294.91

       20160925 6697762.19

       20161025 6551375.69

       20161125 6408070.78

       20161225 6267784.10

       20170125 6130453.57

       20170225 5996018.41

       20170325 5864419.01

       20170425 5735597.02

       20170525 5609495.24

       20170625 5486057.63

       20170725 5365229.31

       20170825 5246956.48

       20170925 5131186.46

       20171025 5017867.61

       20171125 4906949.36

       20171225 4798382.16

       20180125 4692117.46

       20180225 4588107.69

       20180325 4486306.26

       20180425 4386667.53

       20180525 4289146.76

       20180625 4193700.14

       20180725 4100284.75

       20180825 4008858.54

       20180925 3919380.31

       20181025 3831809.70

       20181125 3746107.17

       20181225 3662234.00

       20190125 3580152.22

       20190225 3499824.68

       20190325 3421214.96

       20190425 3344287.38

       20190525 3269006.99

       20190625 3195339.56

       20190725 3123251.56

       20190825 3052710.12

       20190925 2983683.07

       20191025 2916138.87

       20191125 2850046.65

       20191225 2785376.16

       20200125 2722097.74

       20200225 2660182.39

       20200325 2599601.66

       20200425 2540327.69

       20200525 2482333.19

       20200625 2425591.45

       20200725 2370076.27

       20200825 2315762.01

       20200925 2262623.55

       20201025 2210636.29

       20201125 2159776.11

       20201225 2110019.42

       20210125 2061343.07

       20210225 2013724.44

       20210325 1967141.31

       20210425 1921571.97

       20210525 1876995.13

       20210625 1833389.94

       20210725 1790735.97

       20210825 1749013.23

       20210925 1708202.12

       20211025 1668283.45

       20211125 1629238.44

       20211225 1591048.67

       20220125 1553696.11

       20220225 1517163.11

       20220325 1481432.37

       20220425 1446486.95

       20220525 1412310.26

       20220625 1378886.06

       20220725 1346198.43

       20220825 1314231.79

       20220925 1282970.88

       20221025 1252400.73

       20221125 1222506.73

       20221225 1193274.52

       20230125 1164690.07

       20230225 1136739.62

       20230325 1109409.71

       20230425 1082687.14

       20230525 1056559.02

       20230625 1031012.67

       20230725 1006035.72

       20230825 981616.04

       20230925 957741.75

       20231025 934401.22

       20231125 911583.04

       20231225 889276.08

       20240125 867469.40

       20240225 846152.31

       20240325 825314.33

       20240425 804945.21

       20240525 785034.90

       20240625 765573.56

       20240725 746551.57

       20240825 727959.49

       20240925 709788.09

       20241025 692028.33

       20241125 674671.36

       20241225 657708.50

       20250125 641131.27

       20250225 624931.35

       20250325 609100.62

       20250425 593631.09

       20250525 578514.98

       20250625 563744.63

       20250725 549312.58

       20250825 535211.51

       20250925 521434.23

       20251025 507973.73

       20251125 494823.15

       20251225 481975.75

       20260125 469424.95

       20260225 457164.29

       20260325 445187.47

       20260425 433488.30

       20260525 422060.74

       20260625 410898.85

       20260725 399996.85

       20260825 389349.04

       20260925 378949.88

       20261025 368793.93

       20261125 358875.85

       20261225 349190.44

       20270125 339732.58

       20270225 330497.29

       20270325 321479.68

       20270425 312674.94

       20270525 304078.41

       20270625 295685.49

       20270725 287491.69

       20270825 279492.62

       20270925 271683.98

       20271025 264061.54

       20271125 256621.20

       20271225 249358.92

       20280125 242270.75

       20280225 235352.83

       20280325 228601.36

       20280425 222012.66

       20280525 215583.10

       20280625 209309.12

       20280725 203187.27

       20280825 197214.14

       20280925 191386.41

       20281025 185700.83

       20281125 180154.21

       20281225 174743.43

       20290125 169465.45

       20290225 164317.29

       20290325 159296.02

       20290425 154398.79

       20290525 149622.80

       20290625 144965.31

       20290725 140423.64

       20290825 135995.18

       20290925 131677.37

       20291025 127467.68

       20291125 123363.68

       20291225 119362.95

       20300125 115463.15

       20300225 111661.98

       20300325 107957.18

       20300425 104346.56

       20300525 100827.97

       20300625 97399.29

       20300725 94058.46

       20300825 90803.47

       20300925 87632.35

       20301025 84543.16

       20301125 81534.01

       20301225 78603.07

       20310125 75748.51

       20310225 72968.58

       20310325 70261.54

       20310425 67625.71

       20310525 65059.42

       20310625 62561.06

       20310725 60129.05

       20310825 57761.83

       20310925 55457.90

       20311025 53215.76

       20311125 51033.98

       20311225 48911.13

       20320125 46845.82

       20320225 44836.71

       20320325 42882.46

       20320425 40981.78

       20320525 39133.40

       20320625 37336.08

       20320725 35588.61

       20320825 33889.80

       20320925 32238.49

       20321025 30633.54

       20321125 29073.85

       20321225 27558.33

       20330125 26085.93

       20330225 24655.60

       20330325 23266.33

       20330425 21917.13

       20330525 20607.03

       20330625 19335.08

       20330725 18100.36

       20330825 16901.97

       20330925 15739.00

       20331025 14610.61

       20331125 13515.94

       20331225 12454.16

       20340125 11424.47

       20340225 10426.08

       20340325 9458.22

       20340425 8520.12

       20340525 7611.05

       20340625 6730.29

       20340725 5877.14

       20340825 5050.90

       20340925 4250.90

       20341025 3476.48

       20341125 2727.00

       20341225 2001.83

       20350125 1300.36

       20350225 621.98

       20350325 0.00

      END SCHEDULE: 1

--------------------------------------------------

$      SCHEDULE: 2

$          PAYS: { TRANCHE(2P10,2Z1) }

       20050625 25780000.00

       20050725 25679250.39

       20050825 25577997.02

       20050925 25476237.39

       20051025 25373968.97

       20051125 25271189.20

       20051225 25167895.53

       20060125 25064085.39

       20060225 24959756.21

       20060325 24854905.37

       20060425 24749530.29

       20060525 24643628.32

       20060625 24537196.85

       20060725 24430233.22

       20060825 24322734.77

       20060925 24214698.83

       20061025 24106122.71

       20061125 23997003.71

       20061225 23887339.12

       20070125 23777126.20

       20070225 23666362.21

       20070325 23555044.41

       20070425 23443170.02

       20070525 23330736.25

       20070625 23217740.32

       20070725 23104179.41

       20070825 22990050.69

       20070925 22875351.33

       20071025 22760078.47

       20071125 22644229.25

       20071225 22527800.78

       20080125 22410790.17

       20080225 22293194.51

       20080325 22175010.87

       20080425 22056236.31

       20080525 21936867.88

       20080625 21816902.60

       20080725 21696337.50

       20080825 21575169.57

       20080925 21453395.81

       20081025 21331013.17

       20081125 21208018.62

       20081225 21084409.10

       20090125 20960181.53

       20090225 20835332.83

       20090325 20709859.88

       20090425 20583759.56

       20090525 20457028.75

       20090625 20329664.28

       20090725 20201662.98

       20090825 20073021.68

       20090925 19943737.18

       20091025 19813806.25

       20091125 19683225.67

       20091225 19551992.18

       20100125 19420102.53

       20100225 19287553.43

       20100325 19154341.58

       20100425 19020463.67

       20100525 18885916.38

       20100625 18750696.34

       20100725 18614800.21

       20100825 18478224.60

       20100925 18340966.11

       20101025 18203021.32

       20101125 18064386.82

       20101225 17925059.14

       20110125 17785034.82

       20110225 17644310.38

       20110325 17502882.31

       20110425 17360747.11

       20110525 17217901.23

       20110625 17074341.13

       20110725 16930063.22

       20110825 16785063.92

       20110925 16639339.62

       20111025 16492886.71

       20111125 16345701.53

       20111225 16197780.42

       20120125 16049119.71

       20120225 15899715.69

       20120325 15749564.66

       20120425 15598662.87

       20120525 15447006.57

       20120625 15294591.99

       20120725 15141415.33

       20120825 14987472.79

       20120925 14832760.54

       20121025 14677274.73

       20121125 14521011.49

       20121225 14363966.93

       20130125 14206137.16

       20130225 14047518.23

       20130325 13888106.20

       20130425 13727897.12

       20130525 13566886.99

       20130625 13405071.81

       20130725 13242447.56

       20130825 13079010.18

       20130925 12914755.62

       20131025 12749679.78

       20131125 12583778.57

       20131225 12417047.85

       20140125 12249483.47

       20140225 12081081.27

       20140325 11911837.07

       20140425 11741746.64

       20140525 11570805.76

       20140625 11399010.17

       20140725 11226355.61

       20140825 11052837.77

       20140925 10878452.35

       20141025 10703194.99

       20141125 10527061.35

       20141225 10350047.05

       20150125 10172147.67

       20150225 9993358.79

       20150325 9813675.97

       20150425 9633094.74

       20150525 9451610.60

       20150625 9269219.04

       20150725 9085915.52

       20150825 8901695.48

       20150925 8716554.34

       20151025 8530487.50

       20151125 8345628.78

       20151225 8164640.95

       20160125 7987444.71

       20160225 7813962.35

       20160325 7644117.76

       20160425 7477836.35

       20160525 7315045.02

       20160625 7155672.17

       20160725 6999647.64

       20160825 6846902.69

       20160925 6697369.96

       20161025 6550983.47

       20161125 6407678.55

       20161225 6267391.87

       20170125 6130061.35

       20170225 5995626.18

       20170325 5864026.79

       20170425 5735204.80

       20170525 5609103.01

       20170625 5485665.41

       20170725 5364837.09

       20170825 5246564.26

       20170925 5130794.24

       20171025 5017475.39

       20171125 4906557.14

       20171225 4797989.94

       20180125 4691725.23

       20180225 4587715.47

       20180325 4485914.04

       20180425 4386275.30

       20180525 4288754.53

       20180625 4193307.91

       20180725 4099892.53

       20180825 4008466.32

       20180925 3918988.08

       20181025 3831417.47

       20181125 3745714.95

       20181225 3661841.77

       20190125 3579760.00

       20190225 3499432.46

       20190325 3420822.74

       20190425 3343895.15

       20190525 3268614.77

       20190625 3194947.34

       20190725 3122859.33

       20190825 3052317.89

       20190925 2983290.84

       20191025 2915746.65

       20191125 2849654.43

       20191225 2784983.93

       20200125 2721705.52

       20200225 2659790.17

       20200325 2599209.43

       20200425 2539935.46

       20200525 2481940.97

       20200625 2425199.22

       20200725 2369684.04

       20200825 2315369.79

       20200925 2262231.33

       20201025 2210244.06

       20201125 2159383.89

       20201225 2109627.19

       20210125 2060950.85

       20210225 2013332.21

       20210325 1966749.09

       20210425 1921179.75

       20210525 1876602.91

       20210625 1832997.71

       20210725 1790343.75

       20210825 1748621.00

       20210925 1707809.89

       20211025 1667891.23

       20211125 1628846.21

       20211225 1590656.44

       20220125 1553303.88

       20220225 1516770.88

       20220325 1481040.14

       20220425 1446094.72

       20220525 1411918.04

       20220625 1378493.84

       20220725 1345806.21

       20220825 1313839.57

       20220925 1282578.65

       20221025 1252008.51

       20221125 1222114.50

       20221225 1192882.29

       20230125 1164297.84

       20230225 1136347.39

       20230325 1109017.48

       20230425 1082294.92

       20230525 1056166.79

       20230625 1030620.45

       20230725 1005643.50

       20230825 981223.82

       20230925 957349.53

       20231025 934008.99

       20231125 911190.82

       20231225 888883.86

       20240125 867077.18

       20240225 845760.09

       20240325 824922.11

       20240425 804552.98

       20240525 784642.67

       20240625 765181.33

       20240725 746159.34

       20240825 727567.26

       20240925 709395.87

       20241025 691636.11

       20241125 674279.13

       20241225 657316.27

       20250125 640739.04

       20250225 624539.13

       20250325 608708.39

       20250425 593238.87

       20250525 578122.75

       20250625 563352.41

       20250725 548920.36

       20250825 534819.28

       20250925 521042.00

       20251025 507581.51

       20251125 494430.93

       20251225 481583.53

       20260125 469032.72

       20260225 456772.07

       20260325 444795.25

       20260425 433096.08

       20260525 421668.51

       20260625 410506.63

       20260725 399604.62

       20260825 388956.82

       20260925 378557.66

       20261025 368401.70

       20261125 358483.63

       20261225 348798.21

       20270125 339340.36

       20270225 330105.07

       20270325 321087.45

       20270425 312282.72

       20270525 303686.19

       20270625 295293.27

       20270725 287099.47

       20270825 279100.40

       20270925 271291.75

       20271025 263669.32

       20271125 256228.98

       20271225 248966.70

       20280125 241878.53

       20280225 234960.60

       20280325 228209.14

       20280425 221620.44

       20280525 215190.87

       20280625 208916.90

       20280725 202795.04

       20280825 196821.91

       20280925 190994.18

       20281025 185308.60

       20281125 179761.98

       20281225 174351.21

       20290125 169073.23

       20290225 163925.07

       20290325 158903.80

       20290425 154006.57

       20290525 149230.57

       20290625 144573.08

       20290725 140031.42

       20290825 135602.96

       20290925 131285.14

       20291025 127075.46

       20291125 122971.45

       20291225 118970.73

       20300125 115070.93

       20300225 111269.75

       20300325 107564.96

       20300425 103954.34

       20300525 100435.74

       20300625 97007.06

       20300725 93666.23

       20300825 90411.25

       20300925 87240.12

       20301025 84150.93

       20301125 81141.79

       20301225 78210.84

       20310125 75356.29

       20310225 72576.36

       20310325 69869.32

       20310425 67233.49

       20310525 64667.20

       20310625 62168.84

       20310725 59736.83

       20310825 57369.61

       20310925 55065.67

       20311025 52823.54

       20311125 50641.76

       20311225 48518.90

       20320125 46453.60

       20320225 44444.49

       20320325 42490.24

       20320425 40589.56

       20320525 38741.18

       20320625 36943.86

       20320725 35196.39

       20320825 33497.58

       20320925 31846.27

       20321025 30241.32

       20321125 28681.63

       20321225 27166.12

       20330125 25693.72

       20330225 24263.39

       20330325 22874.12

       20330425 21524.92

       20330525 20214.82

       20330625 18942.87

       20330725 17708.15

       20330825 16509.76

       20330925 15346.80

       20331025 14218.41

       20331125 13123.74

       20331225 12061.97

       20340125 11032.28

       20340225 10033.89

       20340325 9066.03

       20340425 8127.93

       20340525 7218.86

       20340625 6338.10

       20340725 5484.95

       20340825 4658.71

       20340925 3858.71

       20341025 3084.30

       20341125 2334.82

       20341225 1609.65

       20350125 908.18

       20350225 229.80

       20350325 0.00

      END SCHEDULE: 2

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  5.500000000  103092784.00  103092784.00  6.000000000            WAM=358 358 2

Deal Summary Report

CSFB05-6G9BBG

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

300 PSA

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$72,164,948.00

5.45

178

2

4.43

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

9PT1

70,000,000.00

5

07/05 - 04/20

4.35

0

0

Interp

281.94

0

1-Jun-05

FIX

9B1

2,164,948.00

5

07/05 - 04/20

7.28

0

0

Interp

8.72

0

1-Jun-05

FIX

Treasury                                  Swaps                                 

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR   

Yld 3.156 3.635 3.702 3.812 4.071 4.412   3.760 3.991 4.093 4.209 4.493 4.841   

CSFB05-6G9BBG - Dec - 9PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	94	90	89	87
25-Jun-07	91	85	75	70	65
25-Jun-08	86	76	58	50	43
25-Jun-09	80	67	44	35	27
25-Jun-10	75	58	33	24	17
25-Jun-11	69	50	25	17	11
25-Jun-12	63	43	18	11	6
25-Jun-13	56	36	13	7	4
25-Jun-14	49	30	10	5	2
25-Jun-15	42	24	7	3	1
25-Jun-16	34	18	4	2	1
25-Jun-17	26	13	3	1	*
25-Jun-18	17	8	2	1	*
25-Jun-19	8	4	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.43	6.57	4.35	3.67	3.17
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G9BBG - Dec - 9B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	95	95	95	95
25-Jun-07	91	91	91	91	91
25-Jun-08	86	86	86	86	86
25-Jun-09	80	80	80	80	80
25-Jun-10	75	75	75	75	75
25-Jun-11	69	68	65	63	62
25-Jun-12	63	60	55	52	49
25-Jun-13	56	52	43	39	35
25-Jun-14	49	43	32	28	23
25-Jun-15	42	34	23	18	14
25-Jun-16	34	26	15	11	8
25-Jun-17	26	19	9	6	4
25-Jun-18	17	12	5	3	2
25-Jun-19	8	5	2	1	1
25-Jun-20	0	0	0	0	0
WAL	8.43	7.98	7.28	7	6.76
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G9BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	94	91	89	87
25-Jun-07	91	86	75	71	66
25-Jun-08	86	76	59	51	44
25-Jun-09	80	67	45	36	29
25-Jun-10	75	59	34	26	19
25-Jun-11	69	51	26	18	12
25-Jun-12	63	43	19	12	8
25-Jun-13	56	36	14	8	5
25-Jun-14	49	30	10	6	3
25-Jun-15	42	24	7	4	2
25-Jun-16	34	18	5	2	1
25-Jun-17	26	13	3	1	1
25-Jun-18	17	8	2	1	*
25-Jun-19	8	4	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.43	6.61	4.43	3.77	3.28
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G9BBG

$       PRICING: 300 PSA

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 9PT1 }

$       ORIGINAL_AMOUNT: 70000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 9B1 }

$       ORIGINAL_AMOUNT: 2164948.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 9PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 9B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  5.000000000   72164948.00   72164948.00  5.450000000            WAM=178 178 2

CSFB 05-6

Group 9

Pay rules

1.

Pay the 9PT1 until retired

Notes

Pxing Speed = 300PSA

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G6bbg

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

100 PPC

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$68,000,000.00

6.48

357

2

4.4

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

6PT1

63,000,000.00

6

07/05 - 03/35

3.95

0

0

Interp

304.5

0

1-Jun-05

FIX

6B1

5,000,000.00

6

07/05 - 03/35

9.99

0

0

Interp

24.17

0

1-Jun-05

FIX

Treasury                                   Swaps

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR

Yld 3.156 3.635 3.702 3.812 4.071 4.412   3.760 3.991 4.093 4.209 4.493 4.841

CSFB05-6G6bbg - Dec - 6PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	90	82	73	65
25-Jun-07	98	80	63	48	35
25-Jun-08	96	70	48	31	18
25-Jun-09	95	61	37	19	7
25-Jun-10	93	53	27	11	1
25-Jun-11	92	47	20	6	0
25-Jun-12	90	41	15	3	0
25-Jun-13	88	36	12	2	0
25-Jun-14	86	31	9	1	0
25-Jun-15	84	28	7	1	0
25-Jun-16	82	24	5	*	0
25-Jun-17	80	21	4	*	0
25-Jun-18	77	18	3	*	0
25-Jun-19	75	16	3	*	0
25-Jun-20	72	14	2	*	0
25-Jun-21	69	12	1	*	0
25-Jun-22	66	10	1	*	0
25-Jun-23	62	9	1	*	0
25-Jun-24	59	7	1	*	0
25-Jun-25	55	6	*	*	0
25-Jun-26	51	5	*	*	0
25-Jun-27	46	4	*	*	0
25-Jun-28	41	3	*	*	0
25-Jun-29	36	3	*	*	0
25-Jun-30	31	2	*	*	0
25-Jun-31	25	2	*	*	0
25-Jun-32	19	1	*	*	0
25-Jun-33	13	1	*	*	0
25-Jun-34	6	*	*	*	0
25-Jun-35	0	0	0	0	0
WAL	19.4	7.5	3.95	2.48	1.77
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Dec10
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G6bbg - Dec - 6B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	98	98	98	98	98
25-Jun-08	96	96	96	96	96
25-Jun-09	95	95	95	95	95
25-Jun-10	93	93	93	93	93
25-Jun-11	92	89	86	83	66
25-Jun-12	90	84	77	70	39
25-Jun-13	88	77	66	56	23
25-Jun-14	86	69	54	41	13
25-Jun-15	84	61	42	28	8
25-Jun-16	82	53	33	19	5
25-Jun-17	80	47	26	13	3
25-Jun-18	77	41	20	9	2
25-Jun-19	75	35	15	6	1
25-Jun-20	72	31	12	4	1
25-Jun-21	69	26	9	3	*
25-Jun-22	66	23	7	2	*
25-Jun-23	62	19	5	1	*
25-Jun-24	59	16	4	1	*
25-Jun-25	55	14	3	1	*
25-Jun-26	51	11	2	*	*
25-Jun-27	46	9	2	*	*
25-Jun-28	41	8	1	*	*
25-Jun-29	36	6	1	*	*
25-Jun-30	31	5	1	*	*
25-Jun-31	25	3	*	*	*
25-Jun-32	19	2	*	*	*
25-Jun-33	13	1	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.4	12.66	9.99	8.69	6.94
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G6bbg - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	91	83	75	67
25-Jun-07	98	81	66	52	40
25-Jun-08	96	72	52	36	24
25-Jun-09	95	64	41	25	14
25-Jun-10	93	56	32	17	8
25-Jun-11	92	50	25	12	5
25-Jun-12	90	44	20	8	3
25-Jun-13	88	39	16	6	2
25-Jun-14	86	34	12	4	1
25-Jun-15	84	30	10	3	1
25-Jun-16	82	26	7	2	*
25-Jun-17	80	23	6	1	*
25-Jun-18	77	20	4	1	*
25-Jun-19	75	17	3	1	*
25-Jun-20	72	15	3	*	*
25-Jun-21	69	13	2	*	*
25-Jun-22	66	11	2	*	*
25-Jun-23	62	10	1	*	*
25-Jun-24	59	8	1	*	*
25-Jun-25	55	7	1	*	*
25-Jun-26	51	6	*	*	*
25-Jun-27	46	5	*	*	*
25-Jun-28	41	4	*	*	*
25-Jun-29	36	3	*	*	*
25-Jun-30	31	2	*	*	*
25-Jun-31	25	2	*	*	*
25-Jun-32	19	1	*	*	*
25-Jun-33	13	1	*	*	*
25-Jun-34	6	*	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.4	7.88	4.4	2.93	2.15
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G8bbg

$       PRICING: 300 PSA

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 8PT1 }

$       ORIGINAL_AMOUNT: 55000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.75

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 8B1 }

$       ORIGINAL_AMOUNT: 1701030.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 4.75

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 8PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 8B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  4.750000000   56701030.00   56701030.00  5.150000000            WAM=178 178 2

CSFB 05-6

Group 8

Pay rules

1.

Pay the 8PT1 until retired

Notes

Pxing Speed = 300PSA

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G8bbg

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

300 PSA

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$56,701,030.00

5.15

178

2

4.42

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

8PT1

55,000,000.00

4.75

07/05 - 04/20

4.33

0

0

Interp

210.45

0

1-Jun-05

FIX

8B1

1,701,030.00

4.75

07/05 - 04/20

7.24

0

0

Interp

6.51

0

1-Jun-05

FIX

Treasury Swaps

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR

Yld 3.156 3.635 3.702 3.812 4.071 4.412   3.760 3.991 4.093 4.209 4.493 4.841

CSFB05-6G8bbg - Dec - 8PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	94	90	89	87
25-Jun-07	91	85	75	70	65
25-Jun-08	85	75	58	50	42
25-Jun-09	80	66	44	35	27
25-Jun-10	74	58	33	24	17
25-Jun-11	68	50	25	16	10
25-Jun-12	62	43	18	11	6
25-Jun-13	56	36	13	7	4
25-Jun-14	49	29	9	5	2
25-Jun-15	41	23	7	3	1
25-Jun-16	34	18	4	2	1
25-Jun-17	25	13	3	1	*
25-Jun-18	17	8	1	1	*
25-Jun-19	8	3	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.38	6.54	4.33	3.66	3.16
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G8bbg - Dec - 8B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	95	95	95	95
25-Jun-07	91	91	91	91	91
25-Jun-08	85	85	85	85	85
25-Jun-09	80	80	80	80	80
25-Jun-10	74	74	74	74	74
25-Jun-11	68	67	64	63	62
25-Jun-12	62	59	54	51	49
25-Jun-13	56	51	43	39	35
25-Jun-14	49	43	32	27	23
25-Jun-15	41	34	22	18	14
25-Jun-16	34	26	15	11	8
25-Jun-17	25	19	9	6	4
25-Jun-18	17	12	5	3	2
25-Jun-19	8	5	2	1	1
25-Jun-20	0	0	0	0	0
WAL	8.38	7.94	7.24	6.97	6.73
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G8bbg - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	95	94	91	89	87
25-Jun-07	91	85	75	70	66
25-Jun-08	85	76	58	51	44
25-Jun-09	80	67	45	36	29
25-Jun-10	74	58	34	26	19
25-Jun-11	68	50	26	18	12
25-Jun-12	62	43	19	12	8
25-Jun-13	56	36	14	8	5
25-Jun-14	49	30	10	6	3
25-Jun-15	41	24	7	4	2
25-Jun-16	34	18	5	2	1
25-Jun-17	25	13	3	1	1
25-Jun-18	17	8	2	1	*
25-Jun-19	8	4	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.38	6.58	4.42	3.76	3.27
Principal Window	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20	Jul05-Apr20
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as  described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the  final prospectus. Under no circumstances shall the information presented const itute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.

Deal Summary Report											CSFB05-6G5BBG
				Assumptions							Collateral
Settlement	30-Jun-05	Prepay		100 PPC					Balance	WAC	WAM	Age	WAL	Dur
1st Pay Date	25-Jul-05	Default		0 CDR					$150,000,000.00	5.85	358	2	4.81	3.83
		Recovery	0	months
		Severity		0%
Tranche	Balance	Coupon	Principal	Avg	Dur	Yield	Spread	Bench	Price	$@1bp	Accrued	NetNet	Dated	Notes
Name			Window	Life			bp		%		Int(M)	(MM)	Date
5N1	14,100,000.00	5	07/10 - 04/35	11.04	8	5.292	120	Nearest	97-24.31	11073.19	56.79	13.841	1-Jun-05	FIX
5A1	125,185,000.00	5	07/05 - 08/18	3.42	2.93	5.072	128	Interp	99-19.50	36670.93	504.22	125.2	1-Jun-05	FIX
5Z1	1,715,000.00	5	08/18 - 04/35	17.01	15.86	6.019	180	Interp	85-11.91	2333.7	6.91	1.471	1-Jun-05	FIX
5B1	9,000,000.00	5	07/05 - 04/35	10.28	7.54	5.106	101	Interp	99-08.50	6765.27	36.25	8.97	1-Jun-05	FIX

Treasury                                  Swaps                                 

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR   

Yld 3.157 3.704 3.763 3.868 4.092 4.375   3.862 4.061 4.137 4.283 4.505 4.796   

CSFB05-6G5BBG - Dec - 5A1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	90	81	72	64
25-Jun-07	97	79	62	47	33
25-Jun-08	95	68	46	28	13
25-Jun-09	93	59	34	15	1
25-Jun-10	91	51	23	5	0
25-Jun-11	90	44	16	0	0
25-Jun-12	87	38	11	0	0
25-Jun-13	85	33	7	0	0
25-Jun-14	83	29	5	0	0
25-Jun-15	81	25	3	0	0
25-Jun-16	79	22	2	0	0
25-Jun-17	76	19	1	0	0
25-Jun-18	73	16	*	0	0
25-Jun-19	70	14	0	0	0
25-Jun-20	67	11	0	0	0
25-Jun-21	64	9	0	0	0
25-Jun-22	61	8	0	0	0
25-Jun-23	57	6	0	0	0
25-Jun-24	53	4	0	0	0
25-Jun-25	49	3	0	0	0
25-Jun-26	45	2	0	0	0
25-Jun-27	40	1	0	0	0
25-Jun-28	36	0	0	0	0
25-Jun-29	30	0	0	0	0
25-Jun-30	25	0	0	0	0
25-Jun-31	19	0	0	0	0
25-Jun-32	13	0	0	0	0
25-Jun-33	7	0	0	0	0
25-Jun-34	0	0	0	0	0
WAL	18.21	6.82	3.42	2.18	1.62
Principal Window	Jul05-Jun34	Jul05-Jan28	Jul05-Aug18	Jul05-May11	Jul05-Aug09
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G5BBG - Dec - 5Z1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	105	105	105	105	105
25-Jun-07	110	110	110	110	110
25-Jun-08	116	116	116	116	116
25-Jun-09	122	122	122	122	122
25-Jun-10	128	128	128	128	0
25-Jun-11	135	135	135	108	0
25-Jun-12	142	142	142	0	0
25-Jun-13	149	149	149	0	0
25-Jun-14	157	157	157	0	0
25-Jun-15	165	165	165	0	0
25-Jun-16	173	173	173	0	0
25-Jun-17	182	182	182	0	0
25-Jun-18	191	191	191	0	0
25-Jun-19	201	201	155	0	0
25-Jun-20	211	211	122	0	0
25-Jun-21	222	222	96	0	0
25-Jun-22	234	234	75	0	0
25-Jun-23	246	246	58	0	0
25-Jun-24	258	258	45	0	0
25-Jun-25	271	271	34	0	0
25-Jun-26	285	285	26	0	0
25-Jun-27	300	300	19	0	0
25-Jun-28	315	280	14	0	0
25-Jun-29	331	223	10	0	0
25-Jun-30	348	173	7	0	0
25-Jun-31	366	128	5	0	0
25-Jun-32	385	89	3	0	0
25-Jun-33	404	54	2	0	0
25-Jun-34	420	23	1	0	0
25-Jun-35	0	0	0	0	0
WAL	29.44	25.69	17.01	6.19	4.25
Principal Window	Jun34-Apr35	Jan28-Apr35	Aug18-Apr35	Jun11-Dec11	Aug09-Oct09
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G5BBG - Dec - 5N1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	100	100	100
25-Jun-07	100	100	100	100	100
25-Jun-08	100	100	100	100	100
25-Jun-09	100	100	100	100	100
25-Jun-10	100	100	100	100	58
25-Jun-11	99	97	94	91	23
25-Jun-12	99	92	86	66	4
25-Jun-13	97	86	75	43	0
25-Jun-14	96	78	63	29	0
25-Jun-15	93	70	50	21	0
25-Jun-16	91	62	40	15	0
25-Jun-17	88	54	32	10	0
25-Jun-18	85	48	25	7	0
25-Jun-19	82	42	20	5	0
25-Jun-20	79	37	16	4	0
25-Jun-21	75	32	12	3	0
25-Jun-22	72	28	10	2	0
25-Jun-23	68	24	7	1	0
25-Jun-24	64	20	6	1	0
25-Jun-25	59	17	4	1	0
25-Jun-26	55	14	3	*	0
25-Jun-27	50	12	2	*	0
25-Jun-28	45	10	2	*	0
25-Jun-29	39	8	1	*	0
25-Jun-30	33	6	1	*	0
25-Jun-31	27	4	1	*	0
25-Jun-32	21	3	*	*	0
25-Jun-33	14	2	*	*	0
25-Jun-34	6	1	*	*	0
25-Jun-35	0	0	0	0	0
WAL	20.88	13.99	11.04	8.51	5.4
Principal Window	Jul10-Apr35	Jul10-Apr35	Jul10-Apr35	Jul10-Apr35	Oct09-Jan13
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G5BBG - Dec - 5B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	97	97	97	97	97
25-Jun-08	96	96	96	96	96
25-Jun-09	94	94	94	94	94
25-Jun-10	93	93	93	93	93
25-Jun-11	91	89	86	83	80
25-Jun-12	89	84	78	72	66
25-Jun-13	87	77	68	58	45
25-Jun-14	85	70	56	44	28
25-Jun-15	83	62	45	31	18
25-Jun-16	81	55	36	22	11
25-Jun-17	78	49	29	16	7
25-Jun-18	76	43	23	11	4
25-Jun-19	73	37	18	8	3
25-Jun-20	70	33	14	6	2
25-Jun-21	67	28	11	4	1
25-Jun-22	64	25	9	3	1
25-Jun-23	60	21	7	2	*
25-Jun-24	57	18	5	1	*
25-Jun-25	53	15	4	1	*
25-Jun-26	49	13	3	1	*
25-Jun-27	44	11	2	*	*
25-Jun-28	40	9	2	*	*
25-Jun-29	35	7	1	*	*
25-Jun-30	30	5	1	*	*
25-Jun-31	24	4	1	*	*
25-Jun-32	18	3	*	*	*
25-Jun-33	12	2	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.07	12.91	10.28	8.93	7.96
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G5BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	92	84	77	70
25-Jun-07	97	82	68	55	44
25-Jun-08	96	74	55	40	28
25-Jun-09	94	66	44	29	17
25-Jun-10	93	59	36	21	11
25-Jun-11	91	53	29	15	7
25-Jun-12	89	47	23	11	4
25-Jun-13	87	42	19	8	3
25-Jun-14	85	37	15	5	2
25-Jun-15	83	33	12	4	1
25-Jun-16	81	29	9	3	1
25-Jun-17	78	26	8	2	*
25-Jun-18	76	23	6	1	*
25-Jun-19	73	20	5	1	*
25-Jun-20	70	17	4	1	*
25-Jun-21	67	15	3	*	*
25-Jun-22	64	13	2	*	*
25-Jun-23	60	11	2	*	*
25-Jun-24	57	10	1	*	*
25-Jun-25	53	8	1	*	*
25-Jun-26	49	7	1	*	*
25-Jun-27	44	6	1	*	*
25-Jun-28	40	5	*	*	*
25-Jun-29	35	4	*	*	*
25-Jun-30	30	3	*	*	*
25-Jun-31	24	2	*	*	*
25-Jun-32	18	1	*	*	*
25-Jun-33	12	1	*	*	*
25-Jun-34	6	*	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.07	8.37	4.81	3.24	2.39
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G5BBG

$       PRICING: 100 PPC

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 5N1 }

$       ORIGINAL_AMOUNT: 14100000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 5A1 }

$       ORIGINAL_AMOUNT: 125185000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 3

!{         TRANCHE NAME: 5Z1 }

$       ORIGINAL_AMOUNT: 1715000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 4

!{         TRANCHE NAME: 5B1 }

$       ORIGINAL_AMOUNT: 9000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 5N1

$                 CSORT: 1

$                  TYPE: NAS

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 5A1

$                 CSORT: 2

$                  TYPE: AD

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 3

$                  NAME: 5Z1

$                 CSORT: 3

$                  TYPE: Z

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 3 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 4

$                  NAME: 5B1

$                 CSORT: 4

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 4 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  5.000000000  150000000.00  150000000.00  5.850000000            WAM=358 358 2

CSFB 05-6

Group 5

Pay rules

1.

Pay the NAS Priority to the 5N1

2.

Pay sequentially the 5A1 and 5Z1 until retired

Notes

Pxing Speed = 100ppc (8 to 18 CPR over 12 months, 18 CPR thereafter)

NAS bonds = 5N1 standard 60 mo lockout. (apply shift to both sched and prepays)

NAS Priority = Total 5N1 Balance/Total Non-PO Balance

Accretion Rules:

Pay the 5Z1 accrual sequentially to the 5A1 and 5Z1 until retired

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G3BBG

				Assumptions							Collateral
Settlement	30-Jun-05	Prepay		300 PSA					Balance	WAC	WAM	Age	WAL	Dur
1st Pay Date	25-Jul-05	Default		0 CDR					$103,092,784.00	6	358	2	5.58	4.39
		Recovery	0	months
		Severity		0%
Tranche	Balance	Coupon	Principal	Avg	Dur	Yield	Spread	Bench	Price	$@1bp	Accrued	NetNet	Dated	Notes
Name			Window	Life			bp		%		Int(M)	(MM)	Date
3N1	7,802,000.00	5.5	07/10 - 04/35	11.05		0	0	Interp			34.57	0	1-Jun-05	FIX
3S1	5,885,800.00	6	07/05 - 03/13	3.45		0	0	Interp			28.45	0	1-Jun-05	FIX
3S2	5,885,800.00	5.75	07/05 - 03/13	3.45		0	0	Interp			27.26	0	1-Jun-05	FIX
3S3	5,885,800.00	5.5	07/05 - 03/13	3.45		0	0	Interp			26.08	0	1-Jun-05	FIX
3S4	5,885,800.00	5.25	07/05 - 03/13	3.45		0	0	Interp			24.89	0	1-Jun-05	FIX
3S5	5,885,800.00	5	07/05 - 03/13	3.45		0	0	Interp			23.71	0	1-Jun-05	FIX
3L1	5,682,319.00	5.5	03/13 - 04/35	11.8		0	0	Interp			25.18	0	1-Jun-05	FIX
3S6	5,256,600.00	6	07/05 - 08/11	3.05		0	0	Interp			25.41	0	1-Jun-05	FIX
3S7	5,256,600.00	5.75	07/05 - 08/11	3.05		0	0	Interp			24.35	0	1-Jun-05	FIX
3S8	5,256,600.00	5.5	07/05 - 08/11	3.05		0	0	Interp			23.29	0	1-Jun-05	FIX
3S9	5,256,600.00	5.25	07/05 - 08/11	3.05		0	0	Interp			22.23	0	1-Jun-05	FIX
3S10	5,256,600.00	5	07/05 - 08/11	3.05		0	0	Interp			21.17	0	1-Jun-05	FIX
3L2	8,828,318.00	5.5	08/11 - 04/35	10.04		0	0	Interp			39.11	0	1-Jun-05	FIX
3P1	17,484,844.00	5.5	07/05 - 04/35	5.39	4.3	0	0	Interp		7608.45	77.47	0	1-Jun-05	FIX
2A6	3,490,519.00	5.5	07/05 - 06/14	2.99	2.59	0	0	Interp		895.46	15.46	0	1-Jun-05	FIX
2A7	1,000,000.00	5.5	06/14 - 04/35	14.65	9.55	0	0	Interp		945.93	4.43	0	1-Jun-05	FIX
3B1	3,092,784.00	5.5	07/05 - 04/35	10.3	7.38	0	0	Interp		2301.23	13.7	0	1-Jun-05	FIX
Treasury                                              Swaps
Mat     6MO     2YR     3YR     5YR    10YR    30YR     1YR   2YR   3YR   5YR  10YR  30YR
Yld 3.16034 3.62822 3.71894 3.82264 4.07108 4.38698   3.797 4.006 4.125 4.261 4.507 4.834

CSFB05-6G3BBG - Dec - 3P1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	94	94	94
25-Jun-07	97	90	82	82	82
25-Jun-08	95	81	68	68	60
25-Jun-09	93	73	55	52	40
25-Jun-10	91	65	44	38	27
25-Jun-11	89	58	34	28	18
25-Jun-12	87	51	26	20	12
25-Jun-13	84	45	20	15	8
25-Jun-14	82	39	15	11	5
25-Jun-15	79	34	12	8	3
25-Jun-16	76	29	9	6	2
25-Jun-17	73	24	7	4	2
25-Jun-18	70	20	5	3	1
25-Jun-19	67	15	4	2	1
25-Jun-20	63	11	3	2	*
25-Jun-21	59	8	2	1	*
25-Jun-22	55	4	2	1	*
25-Jun-23	51	1	1	1	*
25-Jun-24	46	1	1	*	*
25-Jun-25	41	1	1	*	*
25-Jun-26	36	1	1	*	*
25-Jun-27	31	*	*	*	*
25-Jun-28	25	*	*	*	*
25-Jun-29	19	*	*	*	*
25-Jun-30	12	*	*	*	*
25-Jun-31	5	*	*	*	*
25-Jun-32	*	*	*	*	*
25-Jun-33	*	*	*	*	*
25-Jun-34	*	*	*	*	*
25-Jun-35	0	0	0	0	0
WAL	16.81	8	5.39	4.9	4.09
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 2A6
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	89	78	67
25-Jun-07	100	100	65	32	0
25-Jun-08	100	100	39	0	0
25-Jun-09	100	100	22	0	0
25-Jun-10	100	100	12	0	0
25-Jun-11	100	100	8	0	0
25-Jun-12	100	100	6	0	0
25-Jun-13	100	100	3	0	0
25-Jun-14	100	100	0	0	0
25-Jun-15	100	100	0	0	0
25-Jun-16	100	100	0	0	0
25-Jun-17	100	100	0	0	0
25-Jun-18	100	100	0	0	0
25-Jun-19	100	100	0	0	0
25-Jun-20	100	100	0	0	0
25-Jun-21	100	100	0	0	0
25-Jun-22	100	100	0	0	0
25-Jun-23	100	98	0	0	0
25-Jun-24	100	84	0	0	0
25-Jun-25	100	71	0	0	0
25-Jun-26	100	58	0	0	0
25-Jun-27	100	46	0	0	0
25-Jun-28	100	34	0	0	0
25-Jun-29	100	24	0	0	0
25-Jun-30	100	13	0	0	0
25-Jun-31	100	4	0	0	0
25-Jun-32	89	0	0	0	0
25-Jun-33	50	0	0	0	0
25-Jun-34	8	0	0	0	0
25-Jun-35	0	0	0	0	0
WAL	28.01	21.84	2.99	1.6	1.25
Principal Window	Mar32-Sep34	Apr23-Nov31	Jul05-Jun14	Jul05-Feb08	Jul05-Jun07
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 2A7
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	100	100	100
25-Jun-07	100	100	100	100	95
25-Jun-08	100	100	100	42	0
25-Jun-09	100	100	100	0	0
25-Jun-10	100	100	100	0	0
25-Jun-11	100	100	100	0	0
25-Jun-12	100	100	100	0	0
25-Jun-13	100	100	100	0	0
25-Jun-14	100	100	100	0	0
25-Jun-15	100	100	87	0	0
25-Jun-16	100	100	76	0	0
25-Jun-17	100	100	65	0	0
25-Jun-18	100	100	55	0	0
25-Jun-19	100	100	46	0	0
25-Jun-20	100	100	38	0	0
25-Jun-21	100	100	32	0	0
25-Jun-22	100	100	26	0	0
25-Jun-23	100	100	21	0	0
25-Jun-24	100	100	17	0	0
25-Jun-25	100	100	13	0	0
25-Jun-26	100	100	10	0	0
25-Jun-27	100	100	8	0	0
25-Jun-28	100	100	6	0	0
25-Jun-29	100	100	4	0	0
25-Jun-30	100	100	3	0	0
25-Jun-31	100	100	2	0	0
25-Jun-32	100	81	1	0	0
25-Jun-33	100	51	1	0	0
25-Jun-34	100	22	*	0	0
25-Jun-35	0	0	0	0	0
WAL	29.54	28.08	14.65	2.98	2.19
Principal Window	Sep34-Apr35	Nov31-Apr35	Jun14-Apr35	Feb08-Nov08	Jun07-Nov07
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	91	89	87
25-Jun-07	97	89	74	67	60
25-Jun-08	95	80	53	42	31
25-Jun-09	93	71	36	22	10
25-Jun-10	91	63	22	7	0
25-Jun-11	89	56	12	0	0
25-Jun-12	86	49	4	0	0
25-Jun-13	84	43	0	0	0
25-Jun-14	82	38	0	0	0
25-Jun-15	79	33	0	0	0
25-Jun-16	76	29	0	0	0
25-Jun-17	74	25	0	0	0
25-Jun-18	71	21	0	0	0
25-Jun-19	67	17	0	0	0
25-Jun-20	64	13	0	0	0
25-Jun-21	60	10	0	0	0
25-Jun-22	57	7	0	0	0
25-Jun-23	52	4	0	0	0
25-Jun-24	48	1	0	0	0
25-Jun-25	44	0	0	0	0
25-Jun-26	39	0	0	0	0
25-Jun-27	34	0	0	0	0
25-Jun-28	28	0	0	0	0
25-Jun-29	22	0	0	0	0
25-Jun-30	16	0	0	0	0
25-Jun-31	10	0	0	0	0
25-Jun-32	3	0	0	0	0
25-Jun-33	0	0	0	0	0
WAL	17.09	7.99	3.45	2.79	2.39
Principal Window	Jul05-Nov32	Jul05-Jan25	Jul05-Mar13	Jul05-Mar11	Jul05-Feb10
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	91	89	87
25-Jun-07	97	89	74	67	60
25-Jun-08	95	80	53	42	31
25-Jun-09	93	71	36	22	10
25-Jun-10	91	63	22	7	0
25-Jun-11	89	56	12	0	0
25-Jun-12	86	49	4	0	0
25-Jun-13	84	43	0	0	0
25-Jun-14	82	38	0	0	0
25-Jun-15	79	33	0	0	0
25-Jun-16	76	29	0	0	0
25-Jun-17	74	25	0	0	0
25-Jun-18	71	21	0	0	0
25-Jun-19	67	17	0	0	0
25-Jun-20	64	13	0	0	0
25-Jun-21	60	10	0	0	0
25-Jun-22	57	7	0	0	0
25-Jun-23	52	4	0	0	0
25-Jun-24	48	1	0	0	0
25-Jun-25	44	0	0	0	0
25-Jun-26	39	0	0	0	0
25-Jun-27	34	0	0	0	0
25-Jun-28	28	0	0	0	0
25-Jun-29	22	0	0	0	0
25-Jun-30	16	0	0	0	0
25-Jun-31	10	0	0	0	0
25-Jun-32	3	0	0	0	0
25-Jun-33	0	0	0	0	0
WAL	17.09	7.99	3.45	2.79	2.39
Principal Window	Jul05-Nov32	Jul05-Jan25	Jul05-Mar13	Jul05-Mar11	Jul05-Feb10
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S3
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	91	89	87
25-Jun-07	97	89	74	67	60
25-Jun-08	95	80	53	42	31
25-Jun-09	93	71	36	22	10
25-Jun-10	91	63	22	7	0
25-Jun-11	89	56	12	0	0
25-Jun-12	86	49	4	0	0
25-Jun-13	84	43	0	0	0
25-Jun-14	82	38	0	0	0
25-Jun-15	79	33	0	0	0
25-Jun-16	76	29	0	0	0
25-Jun-17	74	25	0	0	0
25-Jun-18	71	21	0	0	0
25-Jun-19	67	17	0	0	0
25-Jun-20	64	13	0	0	0
25-Jun-21	60	10	0	0	0
25-Jun-22	57	7	0	0	0
25-Jun-23	52	4	0	0	0
25-Jun-24	48	1	0	0	0
25-Jun-25	44	0	0	0	0
25-Jun-26	39	0	0	0	0
25-Jun-27	34	0	0	0	0
25-Jun-28	28	0	0	0	0
25-Jun-29	22	0	0	0	0
25-Jun-30	16	0	0	0	0
25-Jun-31	10	0	0	0	0
25-Jun-32	3	0	0	0	0
25-Jun-33	0	0	0	0	0
WAL	17.09	7.99	3.45	2.79	2.39
Principal Window	Jul05-Nov32	Jul05-Jan25	Jul05-Mar13	Jul05-Mar11	Jul05-Feb10
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S4
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	91	89	87
25-Jun-07	97	89	74	67	60
25-Jun-08	95	80	53	42	31
25-Jun-09	93	71	36	22	10
25-Jun-10	91	63	22	7	0
25-Jun-11	89	56	12	0	0
25-Jun-12	86	49	4	0	0
25-Jun-13	84	43	0	0	0
25-Jun-14	82	38	0	0	0
25-Jun-15	79	33	0	0	0
25-Jun-16	76	29	0	0	0
25-Jun-17	74	25	0	0	0
25-Jun-18	71	21	0	0	0
25-Jun-19	67	17	0	0	0
25-Jun-20	64	13	0	0	0
25-Jun-21	60	10	0	0	0
25-Jun-22	57	7	0	0	0
25-Jun-23	52	4	0	0	0
25-Jun-24	48	1	0	0	0
25-Jun-25	44	0	0	0	0
25-Jun-26	39	0	0	0	0
25-Jun-27	34	0	0	0	0
25-Jun-28	28	0	0	0	0
25-Jun-29	22	0	0	0	0
25-Jun-30	16	0	0	0	0
25-Jun-31	10	0	0	0	0
25-Jun-32	3	0	0	0	0
25-Jun-33	0	0	0	0	0
WAL	17.09	7.99	3.45	2.79	2.39
Principal Window	Jul05-Nov32	Jul05-Jan25	Jul05-Mar13	Jul05-Mar11	Jul05-Feb10
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S5
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	91	89	87
25-Jun-07	97	89	74	67	60
25-Jun-08	95	80	53	42	31
25-Jun-09	93	71	36	22	10
25-Jun-10	91	63	22	7	0
25-Jun-11	89	56	12	0	0
25-Jun-12	86	49	4	0	0
25-Jun-13	84	43	0	0	0
25-Jun-14	82	38	0	0	0
25-Jun-15	79	33	0	0	0
25-Jun-16	76	29	0	0	0
25-Jun-17	74	25	0	0	0
25-Jun-18	71	21	0	0	0
25-Jun-19	67	17	0	0	0
25-Jun-20	64	13	0	0	0
25-Jun-21	60	10	0	0	0
25-Jun-22	57	7	0	0	0
25-Jun-23	52	4	0	0	0
25-Jun-24	48	1	0	0	0
25-Jun-25	44	0	0	0	0
25-Jun-26	39	0	0	0	0
25-Jun-27	34	0	0	0	0
25-Jun-28	28	0	0	0	0
25-Jun-29	22	0	0	0	0
25-Jun-30	16	0	0	0	0
25-Jun-31	10	0	0	0	0
25-Jun-32	3	0	0	0	0
25-Jun-33	0	0	0	0	0
WAL	17.09	7.99	3.45	2.79	2.39
Principal Window	Jul05-Nov32	Jul05-Jan25	Jul05-Mar13	Jul05-Mar11	Jul05-Feb10
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3L1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	100	100	100
25-Jun-07	100	100	100	100	100
25-Jun-08	100	100	100	100	100
25-Jun-09	100	100	100	100	100
25-Jun-10	100	100	100	100	77
25-Jun-11	100	100	100	88	35
25-Jun-12	100	100	100	54	10
25-Jun-13	100	100	91	34	0
25-Jun-14	100	100	71	22	0
25-Jun-15	100	100	57	16	0
25-Jun-16	100	100	45	12	0
25-Jun-17	100	100	36	9	0
25-Jun-18	100	100	29	7	0
25-Jun-19	100	100	23	5	0
25-Jun-20	100	100	18	4	0
25-Jun-21	100	100	14	3	0
25-Jun-22	100	100	11	2	0
25-Jun-23	100	100	8	1	0
25-Jun-24	100	100	7	1	0
25-Jun-25	100	94	5	1	0
25-Jun-26	100	82	4	*	0
25-Jun-27	100	70	3	*	0
25-Jun-28	100	59	2	*	0
25-Jun-29	100	49	1	*	0
25-Jun-30	100	39	1	*	0
25-Jun-31	100	30	1	*	0
25-Jun-32	100	21	*	*	0
25-Jun-33	76	13	*	*	0
25-Jun-34	36	6	*	*	0
25-Jun-35	0	0	0	0	0
WAL	28.66	24.16	11.8	8.14	5.78
Principal Window	Nov32-Apr35	Jan25-Apr35	Mar13-Apr35	Mar11-Apr35	Feb10-Jun13
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S6
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	90	88	85
25-Jun-07	96	88	71	63	55
25-Jun-08	94	78	48	35	22
25-Jun-09	92	68	28	13	0
25-Jun-10	90	59	13	0	0
25-Jun-11	87	51	1	0	0
25-Jun-12	85	43	0	0	0
25-Jun-13	82	37	0	0	0
25-Jun-14	79	31	0	0	0
25-Jun-15	76	25	0	0	0
25-Jun-16	74	20	0	0	0
25-Jun-17	70	16	0	0	0
25-Jun-18	67	11	0	0	0
25-Jun-19	63	7	0	0	0
25-Jun-20	60	3	0	0	0
25-Jun-21	56	0	0	0	0
25-Jun-22	51	0	0	0	0
25-Jun-23	47	0	0	0	0
25-Jun-24	42	0	0	0	0
25-Jun-25	37	0	0	0	0
25-Jun-26	31	0	0	0	0
25-Jun-27	26	0	0	0	0
25-Jun-28	20	0	0	0	0
25-Jun-29	13	0	0	0	0
25-Jun-30	6	0	0	0	0
25-Jun-31	0	0	0	0	0
WAL	15.95	6.84	3.05	2.5	2.16
Principal Window	Jul05-May31	Jul05-Apr21	Jul05-Aug11	Jul05-Mar10	Jul05-Jun09
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S7
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	90	88	85
25-Jun-07	96	88	71	63	55
25-Jun-08	94	78	48	35	22
25-Jun-09	92	68	28	13	0
25-Jun-10	90	59	13	0	0
25-Jun-11	87	51	1	0	0
25-Jun-12	85	43	0	0	0
25-Jun-13	82	37	0	0	0
25-Jun-14	79	31	0	0	0
25-Jun-15	76	25	0	0	0
25-Jun-16	74	20	0	0	0
25-Jun-17	70	16	0	0	0
25-Jun-18	67	11	0	0	0
25-Jun-19	63	7	0	0	0
25-Jun-20	60	3	0	0	0
25-Jun-21	56	0	0	0	0
25-Jun-22	51	0	0	0	0
25-Jun-23	47	0	0	0	0
25-Jun-24	42	0	0	0	0
25-Jun-25	37	0	0	0	0
25-Jun-26	31	0	0	0	0
25-Jun-27	26	0	0	0	0
25-Jun-28	20	0	0	0	0
25-Jun-29	13	0	0	0	0
25-Jun-30	6	0	0	0	0
25-Jun-31	0	0	0	0	0
WAL	15.95	6.84	3.05	2.5	2.16
Principal Window	Jul05-May31	Jul05-Apr21	Jul05-Aug11	Jul05-Mar10	Jul05-Jun09
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S8
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	90	88	85
25-Jun-07	96	88	71	63	55
25-Jun-08	94	78	48	35	22
25-Jun-09	92	68	28	13	0
25-Jun-10	90	59	13	0	0
25-Jun-11	87	51	1	0	0
25-Jun-12	85	43	0	0	0
25-Jun-13	82	37	0	0	0
25-Jun-14	79	31	0	0	0
25-Jun-15	76	25	0	0	0
25-Jun-16	74	20	0	0	0
25-Jun-17	70	16	0	0	0
25-Jun-18	67	11	0	0	0
25-Jun-19	63	7	0	0	0
25-Jun-20	60	3	0	0	0
25-Jun-21	56	0	0	0	0
25-Jun-22	51	0	0	0	0
25-Jun-23	47	0	0	0	0
25-Jun-24	42	0	0	0	0
25-Jun-25	37	0	0	0	0
25-Jun-26	31	0	0	0	0
25-Jun-27	26	0	0	0	0
25-Jun-28	20	0	0	0	0
25-Jun-29	13	0	0	0	0
25-Jun-30	6	0	0	0	0
25-Jun-31	0	0	0	0	0
WAL	15.95	6.84	3.05	2.5	2.16
Principal Window	Jul05-May31	Jul05-Apr21	Jul05-Aug11	Jul05-Mar10	Jul05-Jun09
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S9
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	90	88	85
25-Jun-07	96	88	71	63	55
25-Jun-08	94	78	48	35	22
25-Jun-09	92	68	28	13	0
25-Jun-10	90	59	13	0	0
25-Jun-11	87	51	1	0	0
25-Jun-12	85	43	0	0	0
25-Jun-13	82	37	0	0	0
25-Jun-14	79	31	0	0	0
25-Jun-15	76	25	0	0	0
25-Jun-16	74	20	0	0	0
25-Jun-17	70	16	0	0	0
25-Jun-18	67	11	0	0	0
25-Jun-19	63	7	0	0	0
25-Jun-20	60	3	0	0	0
25-Jun-21	56	0	0	0	0
25-Jun-22	51	0	0	0	0
25-Jun-23	47	0	0	0	0
25-Jun-24	42	0	0	0	0
25-Jun-25	37	0	0	0	0
25-Jun-26	31	0	0	0	0
25-Jun-27	26	0	0	0	0
25-Jun-28	20	0	0	0	0
25-Jun-29	13	0	0	0	0
25-Jun-30	6	0	0	0	0
25-Jun-31	0	0	0	0	0
WAL	15.95	6.84	3.05	2.5	2.16
Principal Window	Jul05-May31	Jul05-Apr21	Jul05-Aug11	Jul05-Mar10	Jul05-Jun09
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3S10
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	98	96	90	88	85
25-Jun-07	96	88	71	63	55
25-Jun-08	94	78	48	35	22
25-Jun-09	92	68	28	13	0
25-Jun-10	90	59	13	0	0
25-Jun-11	87	51	1	0	0
25-Jun-12	85	43	0	0	0
25-Jun-13	82	37	0	0	0
25-Jun-14	79	31	0	0	0
25-Jun-15	76	25	0	0	0
25-Jun-16	74	20	0	0	0
25-Jun-17	70	16	0	0	0
25-Jun-18	67	11	0	0	0
25-Jun-19	63	7	0	0	0
25-Jun-20	60	3	0	0	0
25-Jun-21	56	0	0	0	0
25-Jun-22	51	0	0	0	0
25-Jun-23	47	0	0	0	0
25-Jun-24	42	0	0	0	0
25-Jun-25	37	0	0	0	0
25-Jun-26	31	0	0	0	0
25-Jun-27	26	0	0	0	0
25-Jun-28	20	0	0	0	0
25-Jun-29	13	0	0	0	0
25-Jun-30	6	0	0	0	0
25-Jun-31	0	0	0	0	0
WAL	15.95	6.84	3.05	2.5	2.16
Principal Window	Jul05-May31	Jul05-Apr21	Jul05-Aug11	Jul05-Mar10	Jul05-Jun09
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3L2
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	100	100	100
25-Jun-07	100	100	100	100	100
25-Jun-08	100	100	100	100	100
25-Jun-09	100	100	100	100	97
25-Jun-10	100	100	100	89	49
25-Jun-11	100	100	100	57	22
25-Jun-12	100	100	78	35	7
25-Jun-13	100	100	59	22	0
25-Jun-14	100	100	46	14	0
25-Jun-15	100	100	36	11	0
25-Jun-16	100	100	29	8	0
25-Jun-17	100	100	23	6	0
25-Jun-18	100	100	18	4	0
25-Jun-19	100	100	15	3	0
25-Jun-20	100	100	11	2	0
25-Jun-21	100	98	9	2	0
25-Jun-22	100	88	7	1	0
25-Jun-23	100	78	5	1	0
25-Jun-24	100	69	4	1	0
25-Jun-25	100	60	3	*	0
25-Jun-26	100	52	2	*	0
25-Jun-27	100	45	2	*	0
25-Jun-28	100	38	1	*	0
25-Jun-29	100	31	1	*	0
25-Jun-30	100	25	1	*	0
25-Jun-31	97	19	*	*	0
25-Jun-32	74	14	*	*	0
25-Jun-33	49	9	*	*	0
25-Jun-34	23	4	*	*	0
25-Jun-35	0	0	0	0	0
WAL	27.95	21.83	10.04	7.1	5.26
Principal Window	May31-Apr35	Apr21-Apr35	Aug11-Apr35	Mar10-Apr35	Jun09-Jun13
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3N1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	100	100	100	100	100
25-Jun-07	100	100	100	100	100
25-Jun-08	100	100	100	100	100
25-Jun-09	100	100	100	100	100
25-Jun-10	100	100	100	100	100
25-Jun-11	99	98	94	92	89
25-Jun-12	99	95	86	82	77
25-Jun-13	97	90	75	68	61
25-Jun-14	96	84	63	54	41
25-Jun-15	93	77	50	40	28
25-Jun-16	91	70	40	30	19
25-Jun-17	88	64	32	22	13
25-Jun-18	85	58	25	16	9
25-Jun-19	82	53	20	12	6
25-Jun-20	79	48	16	9	4
25-Jun-21	76	43	12	6	3
25-Jun-22	72	39	10	5	2
25-Jun-23	68	34	8	3	1
25-Jun-24	64	30	6	2	1
25-Jun-25	60	27	4	2	1
25-Jun-26	55	23	3	1	*
25-Jun-27	50	20	3	1	*
25-Jun-28	45	17	2	1	*
25-Jun-29	40	14	1	*	*
25-Jun-30	34	11	1	*	*
25-Jun-31	28	8	1	*	*
25-Jun-32	21	6	*	*	*
25-Jun-33	14	4	*	*	*
25-Jun-34	7	2	*	*	*
25-Jun-35	0	0	0	0	0
WAL	20.94	15.66	11.05	9.95	9.04
Principal Window	Jul10-Apr35	Jul10-Apr35	Jul10-Apr35	Jul10-Apr35	Jul10-Apr35
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - 3B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	97	97	97	97	97
25-Jun-08	96	96	96	96	96
25-Jun-09	95	95	95	95	95
25-Jun-10	93	93	93	93	93
25-Jun-11	91	90	86	84	82
25-Jun-12	90	86	78	74	70
25-Jun-13	88	81	68	61	55
25-Jun-14	86	75	57	48	41
25-Jun-15	83	69	45	36	28
25-Jun-16	81	63	36	26	19
25-Jun-17	79	58	29	19	13
25-Jun-18	76	52	23	14	9
25-Jun-19	74	47	18	11	6
25-Jun-20	71	43	14	8	4
25-Jun-21	68	39	11	6	3
25-Jun-22	64	34	9	4	2
25-Jun-23	61	31	7	3	1
25-Jun-24	57	27	5	2	1
25-Jun-25	53	24	4	1	1
25-Jun-26	49	21	3	1	*
25-Jun-27	45	18	2	1	*
25-Jun-28	40	15	2	*	*
25-Jun-29	35	12	1	*	*
25-Jun-30	30	10	1	*	*
25-Jun-31	25	8	1	*	*
25-Jun-32	19	5	*	*	*
25-Jun-33	12	3	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	14.43	10.3	9.32	8.64
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G3BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	97	94	92	90
25-Jun-07	97	92	81	76	71
25-Jun-08	96	85	66	57	49
25-Jun-09	95	79	53	43	34
25-Jun-10	93	73	43	32	23
25-Jun-11	91	67	34	24	16
25-Jun-12	90	62	28	18	11
25-Jun-13	88	57	22	13	8
25-Jun-14	86	52	18	10	5
25-Jun-15	83	48	14	7	4
25-Jun-16	81	44	11	5	2
25-Jun-17	79	40	9	4	2
25-Jun-18	76	36	7	3	1
25-Jun-19	74	33	6	2	1
25-Jun-20	71	30	4	2	1
25-Jun-21	68	27	4	1	*
25-Jun-22	64	24	3	1	*
25-Jun-23	61	21	2	1	*
25-Jun-24	57	19	2	*	*
25-Jun-25	53	17	1	*	*
25-Jun-26	49	14	1	*	*
25-Jun-27	45	12	1	*	*
25-Jun-28	40	10	1	*	*
25-Jun-29	35	9	*	*	*
25-Jun-30	30	7	*	*	*
25-Jun-31	25	5	*	*	*
25-Jun-32	19	4	*	*	*
25-Jun-33	12	2	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.16	11.21	5.58	4.44	3.7
Principal Window	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35	Jul05-Apr35
Prepay	0 PSA	100 PSA	300 PSA	400 PSA	500 PSA
This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the inf ormation presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G3BBG

$       PRICING: 300 PSA

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 3N1 }

$       ORIGINAL_AMOUNT: 7802000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 3S1 }

$       ORIGINAL_AMOUNT: 5885800.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 3

!{         TRANCHE NAME: 3S2 }

$       ORIGINAL_AMOUNT: 5885800.00

$        CURRENT_FACTOR: 1.000000000

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$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 4

!{         TRANCHE NAME: 3S3 }

$       ORIGINAL_AMOUNT: 5885800.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 5

!{         TRANCHE NAME: 3S4 }

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$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.25

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 6

!{         TRANCHE NAME: 3S5 }

$       ORIGINAL_AMOUNT: 5885800.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 7

!{         TRANCHE NAME: 3L1 }

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$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 8

!{         TRANCHE NAME: 3S6 }

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$        CURRENT_COUPON: 6

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 9

!{         TRANCHE NAME: 3S7 }

$       ORIGINAL_AMOUNT: 5256600.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.75

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 10

!{         TRANCHE NAME: 3S8 }

$       ORIGINAL_AMOUNT: 5256600.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 11

!{         TRANCHE NAME: 3S9 }

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$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 12

!{         TRANCHE NAME: 3S10 }

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$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

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!{         TRANCHE NAME: 3L2 }

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$        CURRENT_COUPON: 5.5

$        PRINCIPAL_FREQ: 12

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$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 14

!{         TRANCHE NAME: 3P1 }

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 15

!{         TRANCHE NAME: 2A6 }

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$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 5.5

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

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!{         TRANCHE NAME: 2A7 }

$       ORIGINAL_AMOUNT: 1000000.00

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$        CURRENT_COUPON: 5.5

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$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 17

!{         TRANCHE NAME: 3B1 }

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$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

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--------------------------------------------------

$               TRANCHE: 2

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$                  TYPE:

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--------------------------------------------------

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$                  TYPE:

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$    COMPOSITION: BLOCK: 3 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 4

$                  NAME: 3S3

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$                  TYPE:

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$    COMPOSITION: BLOCK: 4 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

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$                  TYPE:

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$    COMPOSITION: BLOCK: 5 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

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$                  TYPE:

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$    COMPOSITION: BLOCK: 6 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

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$                  TYPE:

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$    COMPOSITION: BLOCK: 7 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 8

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$                  TYPE:

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$    COMPOSITION: BLOCK: 8 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 9

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$                  TYPE:

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$    COMPOSITION: BLOCK: 9 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 10

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$                  TYPE:

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$    COMPOSITION: BLOCK: 10 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 11

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$                  TYPE:

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$    COMPOSITION: BLOCK: 11 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 12

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$                  TYPE:

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$    COMPOSITION: BLOCK: 12 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 13

$                  NAME: 3L2

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$                  TYPE:

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$    COMPOSITION: BLOCK: 13 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 14

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--------------------------------------------------

$               TRANCHE: 15

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--------------------------------------------------

$               TRANCHE: 16

$                  NAME: 2A7

$                 CSORT: 16

$                  TYPE: SUP

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 16 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 17

$                  NAME: 3B1

$                 CSORT: 17

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--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

$      SCHEDULE: 1

$          PAYS: { TRANCHE(3P1) }

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       20291025 28157.90

       20291125 27256.03

       20291225 26376.85

       20300125 25519.86

       20300225 24684.54

       20300325 23870.39

       20300425 23076.95

       20300525 22303.72

       20300625 21550.26

       20300725 20816.10

       20300825 20100.80

       20300925 19403.94

       20301025 18725.08

       20301125 18063.81

       20301225 17419.72

       20310125 16792.42

       20310225 16181.52

       20310325 15586.64

       20310425 15007.41

       20310525 14443.46

       20310625 13894.43

       20310725 13359.99

       20310825 12839.79

       20310925 12333.49

       20311025 11840.77

       20311125 11361.31

       20311225 10894.81

       20320125 10440.95

       20320225 9999.44

       20320325 9569.99

       20320425 9152.31

       20320525 8746.12

       20320625 8351.15

       20320725 7967.14

       20320825 7593.82

       20320925 7230.94

       20321025 6878.24

       20321125 6535.50

       20321225 6202.46

       20330125 5878.89

       20330225 5564.57

       20330325 5259.27

       20330425 4962.78

       20330525 4674.88

       20330625 4395.37

       20330725 4124.03

       20330825 3860.68

       20330925 3605.12

       20331025 3357.15

       20331125 3116.59

       20331225 2883.26

       20340125 2656.98

       20340225 2437.58

       20340325 2224.89

       20340425 2018.74

       20340525 1818.97

       20340625 1625.42

       20340725 1437.93

       20340825 1256.37

       20340925 1080.56

       20341025 910.38

       20341125 745.68

       20341225 586.32

       20350125 432.17

       20350225 283.10

       20350325 138.97

       20350425 0.00

      END SCHEDULE: 1

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  5.500000000  103092784.00  103092784.00  6.000000000            WAM=358 358 2

CSFB 05-6

Group 3

Pay rules

1.

Concurrently:

a.

21.975363%

i.

Pay according to the PAC A schedule as follows:

1.

Pay the 3P1 until retired

ii.

Pay sequentially to the 2A6 and 2A7 until retired

iii.

Pay disregarding the PAC A schedule as follows:

1.

Pay the 3P1 until retired

b.

78.024637%

i.

Pay the NAS Priority Amount to the 3N1

ii.

Concurrently:

1.

50.0000007120%

a.

Pay pro-rata to the 3S1-3S5 until retired

b.

Pay the 3L1 until retired

2.

49.9999992880%

a.

Pay pro-rata to the 3S6-3S10 until retired

b.

Pay the 3L2 until retired

iii.

Pay the 3N1 until retired

Notes

Pxing Speed = 300PSA

NAS bonds = 3N1 standard 60 mo lockout. (apply shift to both sched and prepays)

NAS Priority = Total 3N1 Balance/Total Non-PO Balance

Settlement = 6/30/05

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G6bbg

$       PRICING: 100 PPC

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 6PT1 }

$       ORIGINAL_AMOUNT: 63000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 6B1 }

$       ORIGINAL_AMOUNT: 5000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 6PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 6B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  6.000000000   68000000.00   68000000.00  6.480000000            WAM=357 357 2

CSFB 05-6

Group 6

Pay rules

1.

Pay the 6PT1 until retired

Notes

Pxing Speed = 100PPC (8 CPR to 20CPR over 12 months, 20 CPR thereafter)

Settlement = 6/30/05

--------------------------------------------------

$          VERSION: 3.01 (BLOOMBERG CMO BOND FILE)

--------------------------------------------------

$          DEAL: CSFB05-6G7bbg

$       PRICING: 100 PPC

$    SETTLEMENT: 20050630

------------------------------------------

------------------------------------------

$                 BLOCK: 1

!{         TRANCHE NAME: 7PT1 }

$       ORIGINAL_AMOUNT: 63000000.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

$                 BLOCK: 2

!{         TRANCHE NAME: 7B1 }

$       ORIGINAL_AMOUNT: 4021277.00

$        CURRENT_FACTOR: 1.000000000

$        CURRENT_COUPON: 6

$        PRINCIPAL_FREQ: 12

$         PAYMENT_DELAY: 24

$            DATED_DATE: 20050601

$    FIRST_PAYMENT_DATE: 20050725

$     NEXT_PAYMENT_DATE: 20050725

$        ACCRUAL_METHOD: THIRTY_360

--------------------------------------------------

--------------------------------------------------

--------------------------------------------------

$               TRANCHE: 1

$                  NAME: 7PT1

$                 CSORT: 1

$                  TYPE:

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 1 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

$               TRANCHE: 2

$                  NAME: 7B1

$                 CSORT: 2

$                  TYPE: SUB

$          RECORD_DELAY: 24

$    COMPOSITION: BLOCK: 2 PRIN: 100.000000000 INT: 100.000000000

--------------------------------------------------

--------------------------------------------------

$     END_TRANCHES:

--------------------------------------------------

--------------------------------------------------

     END OF BOND FILE

***************************************************

$         VERSION: 3.03 (BLOOMBERG CMO COLLATERAL FILE)

---------------------------------------------------

$    AGENCY_LIST:     Type   Factor Date    P/Y Delay     BV Delay

                    WHOLE 20050601 55 54

---------------------------------------------------

$     ASSUMED_POOLS:

--------------------------------------------------------------------------------

!G Loan Number  Loan Type    NET--CPN CURR--BALANCE ORIG--BALANCE  PY--WAC FIXED----PAYMENT BLN AGE

--------------------------------------------------------------------------------

 L          1 WHOLE     LPM  6.000000000   67021277.00   67021277.00  6.690000000            WAM=357 357 2

CSFB 05-6

Group 7

Pay rules

1.

Pay the 7PT1 until retired

Notes

Pxing Speed = 100PPC (8 CPR to 20CPR over 12 months, 20 CPR thereafter)

Settlement = 6/30/05

Deal Summary Report

CSFB05-6G7bbg

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

100 PPC

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$67,021,277.00

6.69

357

2

4.41

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

7PT1

63,000,000.00

6

07/05 - 03/35

4.05

0

0

Interp

304.5

0

1-Jun-05

FIX

7B1

4,021,277.00

6

07/05 - 03/35

10.02

0

0

Interp

19.44

0

1-Jun-05

FIX

Treasury                                  Swaps                                 

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR   

Yld 3.156 3.635 3.702 3.812 4.071 4.412   3.760 3.991 4.093 4.209 4.493 4.841   

CSFB05-6G7bbg - Dec - 7PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	91	82	74	65
25-Jun-07	98	80	64	49	36
25-Jun-08	96	70	49	32	19
25-Jun-09	95	62	37	20	9
25-Jun-10	94	54	28	12	3
25-Jun-11	92	48	21	7	*
25-Jun-12	91	42	16	4	0
25-Jun-13	89	37	12	2	0
25-Jun-14	87	32	10	1	0
25-Jun-15	85	28	7	1	0
25-Jun-16	83	25	6	1	0
25-Jun-17	80	22	5	*	0
25-Jun-18	78	19	4	*	0
25-Jun-19	75	16	3	*	0
25-Jun-20	73	14	2	*	0
25-Jun-21	70	12	2	*	0
25-Jun-22	66	11	1	*	0
25-Jun-23	63	9	1	*	0
25-Jun-24	59	8	1	*	0
25-Jun-25	55	6	1	*	0
25-Jun-26	51	5	*	*	0
25-Jun-27	47	4	*	*	0
25-Jun-28	42	4	*	*	0
25-Jun-29	37	3	*	*	0
25-Jun-30	31	2	*	*	0
25-Jun-31	26	2	*	*	0
25-Jun-32	19	1	*	*	0
25-Jun-33	13	1	*	*	0
25-Jun-34	6	*	*	*	0
25-Jun-35	0	0	0	0	0
WAL	19.53	7.6	4.05	2.57	1.83
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Jul11
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G7bbg - Dec - 7B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	99	99	99	99
25-Jun-07	98	98	98	98	98
25-Jun-08	96	96	96	96	96
25-Jun-09	95	95	95	95	95
25-Jun-10	94	94	94	94	94
25-Jun-11	92	89	86	83	79
25-Jun-12	91	84	78	71	48
25-Jun-13	89	77	67	56	28
25-Jun-14	87	70	54	41	17
25-Jun-15	85	61	43	28	10
25-Jun-16	83	54	33	19	6
25-Jun-17	80	47	26	13	3
25-Jun-18	78	41	20	9	2
25-Jun-19	75	36	15	6	1
25-Jun-20	73	31	12	4	1
25-Jun-21	70	27	9	3	*
25-Jun-22	66	23	7	2	*
25-Jun-23	63	20	5	1	*
25-Jun-24	59	17	4	1	*
25-Jun-25	55	14	3	1	*
25-Jun-26	51	12	2	*	*
25-Jun-27	47	10	2	*	*
25-Jun-28	42	8	1	*	*
25-Jun-29	37	6	1	*	*
25-Jun-30	31	5	1	*	*
25-Jun-31	26	3	*	*	*
25-Jun-32	19	2	*	*	*
25-Jun-33	13	1	*	*	*
25-Jun-34	6	1	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.53	12.71	10.02	8.71	7.27
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6G7bbg - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	99	91	83	75	67
25-Jun-07	98	81	66	52	40
25-Jun-08	96	72	52	36	24
25-Jun-09	95	64	41	25	14
25-Jun-10	94	57	32	17	8
25-Jun-11	92	50	25	12	5
25-Jun-12	91	44	20	8	3
25-Jun-13	89	39	16	6	2
25-Jun-14	87	34	12	4	1
25-Jun-15	85	30	10	3	1
25-Jun-16	83	27	7	2	*
25-Jun-17	80	23	6	1	*
25-Jun-18	78	20	5	1	*
25-Jun-19	75	18	3	1	*
25-Jun-20	73	15	3	*	*
25-Jun-21	70	13	2	*	*
25-Jun-22	66	11	2	*	*
25-Jun-23	63	10	1	*	*
25-Jun-24	59	8	1	*	*
25-Jun-25	55	7	1	*	*
25-Jun-26	51	6	*	*	*
25-Jun-27	47	5	*	*	*
25-Jun-28	42	4	*	*	*
25-Jun-29	37	3	*	*	*
25-Jun-30	31	2	*	*	*
25-Jun-31	26	2	*	*	*
25-Jun-32	19	1	*	*	*
25-Jun-33	13	1	*	*	*
25-Jun-34	6	*	*	*	*
25-Jun-35	0	0	0	0	0
WAL	19.53	7.9	4.41	2.94	2.16
Principal Window	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35	Jul05-Mar35
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

Deal Summary Report CSFB05-6G11BBG

Assumptions

Collateral

Settlement

30-Jun-05

Prepay

100 PPC

Balance

WAC

WAM

Age

WAL

Dur

1st Pay Date

25-Jul-05

Default

0 CDR

$47,872,340.00

6.1

174

6

3.49

Recovery

0

months

Severity

0%

Tranche

Balance

Coupon

Principal

Avg

Dur

Yield

Spread

Bench

Price

$@1bp

Accrued

NetNet

Dated

Notes

Name

Window

Life

bp

%

Int(M)

(MM)

Date

11PT1

45,000,000.00

5.5

07/05 - 12/19

3.26

0

0

Interp

199.38

0

1-Jun-05

FIX

11B1

2,872,340.00

5.5

07/05 - 12/19

7.15

0

0

Interp

12.73

0

1-Jun-05

FIX

Treasury

Swaps

Mat   6MO   2YR   3YR   5YR  10YR  30YR     1YR   2YR   3YR   5YR  10YR  30YR

Yld 3.119 3.687 3.732 3.815 4.013 4.285   3.819 4.030 4.112 4.219 4.417 4.720

CSFB05-6G11BBG - Dec - 11PT1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	96	86	77	67	58
25-Jun-07	91	73	57	43	31
25-Jun-08	86	62	42	27	15
25-Jun-09	81	52	31	16	6
25-Jun-10	75	43	22	9	2
25-Jun-11	69	35	15	5	0
25-Jun-12	63	28	11	3	0
25-Jun-13	56	23	7	1	0
25-Jun-14	49	18	5	1	0
25-Jun-15	41	13	3	*	0
25-Jun-16	33	10	2	*	0
25-Jun-17	24	6	1	*	0
25-Jun-18	15	4	1	*	0
25-Jun-19	5	1	*	*	0
25-Jun-20	0	0	0	0	0
WAL	8.33	5.04	3.26	2.22	1.61
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-May11
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.

CSFB05-6G11BBG - Dec - 11B1
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	96	96	96	96	96
25-Jun-07	91	91	91	91	91
25-Jun-08	86	86	86	86	86
25-Jun-09	81	81	81	81	81
25-Jun-10	75	75	75	75	75
25-Jun-11	69	67	64	62	56
25-Jun-12	63	58	54	49	30
25-Jun-13	56	49	42	35	16
25-Jun-14	49	39	30	23	9
25-Jun-15	41	29	20	14	4
25-Jun-16	33	21	13	8	2
25-Jun-17	24	14	8	4	1
25-Jun-18	15	8	4	2	*
25-Jun-19	5	2	1	*	*
25-Jun-20	0	0	0	0	0
WAL	8.33	7.67	7.15	6.75	5.98
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.               

CSFB05-6G11BBG - Dec - COLLAT
Date	1	2	3	4	5
30-Jun-05	100	100	100	100	100
25-Jun-06	96	87	78	69	60
25-Jun-07	91	74	59	46	34
25-Jun-08	86	63	45	30	19
25-Jun-09	81	53	34	20	11
25-Jun-10	75	45	25	13	6
25-Jun-11	69	37	18	8	3
25-Jun-12	63	30	13	5	2
25-Jun-13	56	24	10	3	1
25-Jun-14	49	19	7	2	1
25-Jun-15	41	14	4	1	*
25-Jun-16	33	10	3	1	*
25-Jun-17	24	7	2	*	*
25-Jun-18	15	4	1	*	*
25-Jun-19	5	1	*	*	*
25-Jun-20	0	0	0	0	0
WAL	8.33	5.2	3.49	2.49	1.87
Principal Window	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19	Jul05-Dec19
Prepay	0 PPC	50 PPC	100 PPC	150 PPC	200 PPC

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the  proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an off er to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer,  solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a  final prospectus relating to the securities.               

CSFB05-6_BK -- A1

CREDIT SUISSE FIRST BOSTON

Balance	$125,185,000.00	Delay	24	WAC	5.85000	WAM	358
Coupon	5.00000	Dated	06/01/2005	NET	5.00000	WALA	2
Settle	06/30/2005	First Payment	07/25/2005

Price	1	2	3	4	5	6	7
	Yield	Yield	Yield	Yield	Yield	Yield	Yield
99-05.00	5.133	5.162	5.207	5.260	5.314	5.370	5.428
99-07.00	5.123	5.149	5.188	5.234	5.282	5.331	5.381
99-09.00	5.113	5.135	5.169	5.209	5.250	5.292	5.335
99-11.00	5.103	5.122	5.150	5.183	5.218	5.253	5.289
99-13.00	5.093	5.108	5.131	5.158	5.186	5.214	5.243
99-15.00	5.083	5.095	5.112	5.132	5.154	5.175	5.197
99-17.00	5.074	5.081	5.093	5.107	5.122	5.136	5.152
99-19.00	5.064	5.068	5.074	5.082	5.090	5.097	5.106
99-21.00	5.054	5.055	5.055	5.057	5.058	5.059	5.060
99-23.00	5.044	5.041	5.037	5.031	5.026	5.020	5.014
99-25.00	5.034	5.028	5.018	5.006	4.994	4.982	4.969
99-27.00	5.025	5.014	4.999	4.981	4.962	4.943	4.923
99-29.00	5.015	5.001	4.980	4.956	4.930	4.904	4.877
99-31.00	5.005	4.988	4.962	4.931	4.898	4.866	4.832
100-01.00	4.995	4.975	4.943	4.905	4.867	4.828	4.786
100-03.00	4.986	4.961	4.924	4.880	4.835	4.789	4.741
100-05.00	4.976	4.948	4.906	4.855	4.803	4.751	4.696
Spread @ Center Price	102	116	126	132	136	145	155
WAL	8.99	6.06	4.00	2.82	2.17	1.77	1.48
Mod Durn	6.36	4.66	3.32	2.47	1.96	1.62	1.37
Principal Window	Jul05 - Jan31	Jul05 - Oct26	Jul05 - May21	Jul05 - Oct15	Jul05 - Nov11	Jul05 - May10	Jul05 - Jul09
Prepay	6 CPR	10 CPR	15 CPR	20 CPR	25 CPR	30 CPR	35 CPR

Treasury	Mat	6MO	2YR	3YR	5YR	10YR	30YR
	Yld	3.147	3.683	3.738	3.845	4.074	4.356

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6_BK -- A1

CREDIT SUISSE FIRST BOSTON

Balance	$125,185,000.00	Delay	24	WAC	5.85000	WAM	358
Coupon	5.00000	Dated	06/01/2005	NET	5.00000	WALA	2
Settle	06/30/2005	First Payment	07/25/2005

Price	1	2	3	4	5	6	7
	Yield	Yield	Yield	Yield	Yield	Yield	Yield
99-05.00	5.152	5.187	5.227	5.270	5.312	5.353	5.394
99-07.00	5.140	5.170	5.206	5.244	5.280	5.316	5.352
99-09.00	5.127	5.154	5.184	5.217	5.248	5.279	5.310
99-11.00	5.115	5.137	5.163	5.190	5.216	5.242	5.268
99-13.00	5.103	5.121	5.141	5.163	5.185	5.205	5.226
99-15.00	5.091	5.104	5.120	5.137	5.153	5.169	5.184
99-17.00	5.079	5.088	5.099	5.110	5.121	5.132	5.143
99-19.00	5.067	5.071	5.077	5.083	5.089	5.095	5.101
99-21.00	5.054	5.055	5.056	5.057	5.058	5.058	5.059
99-23.00	5.042	5.039	5.035	5.030	5.026	5.022	5.018
99-25.00	5.030	5.022	5.013	5.004	4.994	4.985	4.976
99-27.00	5.018	5.006	4.992	4.977	4.963	4.949	4.934
99-29.00	5.006	4.990	4.971	4.951	4.931	4.912	4.893
99-31.00	4.994	4.973	4.950	4.924	4.900	4.876	4.851
100-01.00	4.982	4.957	4.928	4.898	4.868	4.839	4.810
100-03.00	4.970	4.941	4.907	4.871	4.837	4.803	4.769
100-05.00	4.958	4.924	4.886	4.845	4.805	4.767	4.727
Spread @ Center Price	112	123	129	133	136	141	150
WAL	6.82	4.69	3.42	2.65	2.18	1.86	1.62
Mod Durn	5.15	3.81	2.93	2.35	1.97	1.70	1.50
Principal Window	Jul05 - Jan28	Jul05 - Feb23	Jul05 - Aug18	Jul05 - Jun13	Jul05 - May11	Jul05 - Apr10	Jul05 - Aug09
Prepay	50 PPC	75 PPC	100 PPC	125 PPC	150 PPC	175 PPC	200 PPC

Treasury	Mat	6MO	2YR	3YR	5YR	10YR	30YR
	Yld	3.147	3.683	3.738	3.845	4.074	4.356

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.

CSFB05-6FLTASIA -- FLT

CREDIT SUISSE FIRST BOSTON

Balance	$91,020,769.00	Delay	0	Index	LIBOR_1MO | 3	WAC	6.00000	WAM	358
Coupon	3.49000	Dated	06/25/2005	Mult / Margin	1.0 / .40	NET	5.50000	WALA	2
Settle	06/30/2005	First Payment	07/25/2005	Cap / Floor	6.5 / .40

Price	1	2	3	4	5	6	7	8	9	10	11
	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin	Disc Margin
99-16.00	48	51	54	54	54	54	54	55	58	63	68
99-18.00	47	50	52	52	52	52	52	53	56	60	64
99-20.00	46	48	50	50	50	50	50	51	53	57	61
99-22.00	45	47	49	49	49	49	49	49	51	54	57
99-24.00	44	45	47	47	47	47	47	48	49	52	54
99-26.00	43	44	45	45	45	45	45	46	47	49	50
99-28.00	42	43	43	43	43	43	43	44	44	46	47
99-30.00	41	41	42	42	42	42	42	42	42	43	43
100-00.00	40	40	40	40	40	40	40	40	40	40	40
100-02.00	39	39	38	38	38	38	38	38	38	37	37
100-04.00	38	37	37	37	37	37	37	36	36	34	33
100-06.00	37	36	35	35	35	35	35	34	33	31	30
100-08.00	36	35	33	33	33	33	33	32	31	28	26
100-10.00	35	33	31	31	31	31	31	31	29	26	23
100-12.00	34	32	30	30	30	30	30	29	27	23	19
100-14.00	33	31	28	28	28	28	28	27	25	20	16
100-16.00	32	29	26	26	26	26	26	25	22	17	12
WAL	7.78	5.18	3.92	3.92	3.92	3.92	3.92	3.55	3.00	2.25	1.87
Mod Durn	6.41	4.54	3.55	3.55	3.55	3.55	3.55	3.25	2.78	2.13	1.78
Principal Window	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Apr35	Jul05 - Sep12	Jul05 - Nov10	Jul05 - Jan09	Jul05 - Mar08
LIBOR_1MO	3	3	3	3	3	3	3	3	3	3	3
Prepay	100 PSA	150 PSA	200 PSA	250 PSA	275 PSA	300 PSA	350 PSA	400 PSA	500 PSA	750 PSA	1000 PSA

Treasury	Mat	6MO	2YR	3YR	5YR	10YR	30YR
	Yld	3.155	3.645	3.741	3.857	4.127	4.452

This information is being provided in response to your specific request for information. The information has been prepared and furnished to you solely by CREDIT SUISSE FIRST BOSTON LLC (CSFB) and not the Issuer of the Securities or any of its affiliates. The preliminary description of the underlying assets has not been independently verified by CSFB. CSFB is not acting as agent for the Issuer or its affiliates in connection with the proposed transaction. All information contained herein is preliminary, limited in nature and subject to completion or amendment. CSFB makes no representation that the above referenced security will actually perform as described in any scenario. The above analysis alone is not intended to be a prospectus and any investment decision with respect to the security should be made by you based solely upon the information contained in the final prospectus. Under no circumstances shall the information presented constitute an offer to sell or solicitation of an offer to buy nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The securities may not be sold nor may an offer to buy be accepted prior to the delivery of a final prospectus relating to the securities.