------------------------------------------------------------------------------
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): July 20, 2000
MORGAN STANLEY DEAN WITTER CAPITAL I INC.
-----------------------------------------
(Exact name of registrant as specified in its charter)
Delaware 333-77215 13-3291626
---------------------------- ---------------- ----------
(State or Other Jurisdiction (Commission (I.R.S. Employer
of Incorporation) File Number) Identification No.)
1585 Broadway, 2nd Floor
New York, New York 10036
---------------------- ----------
(Address of Principal (Zip Code)
Executive Offices)
Registrant's telephone number, including area code (212) 761-4700
----- -------------
------------------------------------------------------------------------------
<PAGE>
Item 5. Other Events.
----------------------
Filing of Computational Materials.
---------------------------------
In connection with the offering of the Morgan Stanley Dean Witter
Capital I Inc., Mortgage Pass-Through Certificates 2000-1 (the
"Certificates"), Morgan Stanley & Co. Incorporated, as underwriter of the
Certificates (the "Underwriter"), has prepared certain materials (the
"Computational Materials") for distribution to its potential investors.
Although Morgan Stanley Dean Witter Capital I Inc. provided the Underwriter
with certain information regarding the characteristics of the Mortgage Loans
(the "Loans") in the related portfolio, it 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 the, any
of the following: yield; average life, duration; expected maturity; interest
rate sensitivity; loss sensitivity; cash flow characteristics; background
information regarding the 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.
<PAGE>
Item 7. Financial Statements, Pro Forma Financial
--------------------------------------------------
Information and Exhibits.
------------------------
(a) Not applicable.
(b) Not applicable.
(c) Exhibits:
99.1 Computational Materials
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
MORGAN STANLEY DEAN WITTER CAPITAL I INC.
By: /s/Andrew Berman
--------------------
Name: Andrew Berman
Title: Vice President
Dated: July 24, 2000
<PAGE>
Exhibit Index
-------------
Exhibit Description Page
------- ----------- ----
99.1 Computational Materials
<PAGE>
Exhibit 99.1
------------------------------ ----------------------------- -----------------
MORGAN STANLEY DEAN WITTER [LOGO] July 20, 2000
Securitized Products Group
MBS Capital Markets
------------------------------ ----------------------------- -----------------
MBS New Transaction
Termsheet
---------
Thursday, July 20, 2000
---------
$337,800,000
(Approximate)
Morgan Stanley Dean Witter Capital I 2000-1 Trust
Mortgage Pass-Through Certificates
Series 2000-1
Morgan Stanley Dean Witter Capital I Inc.
Depositor
This information has been prepared in connection with the issuance of
securities representing beneficial interest in the above trust and is based in
part on information provided by Morgan Stanley Dean Witter Credit Corporation
with respect to the expected characteristics of the pools of Mortgage Loans
underlying these securities. The actual characteristics and performance of the
Mortgage Loans will differ from the assumptions used in preparing these
materials, which are hypothetical in nature. Changes in the assumptions may
have a material impact on the information set forth in these materials. No
representation is made that any performance or return indicated herein will be
achieved. For example, it is very unlikely that the loans will prepay at a
constant rate or follow a predictable pattern. This information may not be
used or otherwise disseminated in connection with the offer or sale of these
or any other securities, except in connection with the initial offer or sale
of these securities to you to the extent set forth below. NO REPRESENTATION IS
MADE AS TO THE APPROPRIATENESS, USEFULNESS, ACCURACY OR COMPLETENESS OF THESE
MATERIALS OR THE ASSUMPTIONS ON WHICH THEY ARE BASED. These materials do not
constitute an offer to buy or sell or a solicitation of an offer to buy or
sell any security or instrument or to participate in any particular trading
strategy. ANY SUCH OFFER TO BUY OR SELL ANY SECURITY WOULD BE MADE PURSUANT TO
A DEFINITIVE PROSPECTUS and PROSPECTUS SUPPLEMENT PREPARED BY THE DEPOSITOR
THAT WOULD CONTAIN MATERIAL INFORMATION NOT CONTAINED IN THESE MATERIALS. ANY
DECISION TO INVEST IN SUCH SECURITIES SHOULD BE MADE SOLELY IN RELIANCE UPON
SUCH PROSPECTUS AND PROSPECTUS SUPPLEMENT. ANY CAPITALIZED TERMS USED BUT NOT
DEFINED HEREIN ARE TO BE READ IN CONJUNCTION WITH SUCH PROSPECTUS AND
PROSPECTUS SUPPLEMENT. In the event of any such offering, these materials,
including any description of the loans contained herein, shall be deemed
superseded, amended and supplemented in their entirety by such Prospectus and
Prospectus Supplement. This material supercedes any information previously
delivered to you and will be superceded by any information hereafter delivered
to you. To Our Readers Worldwide: In addition, please note that this
information has been provided by Morgan Stanley & Co. Incorporated and
approved by Morgan Stanley & Co. International Limited, a member of the
Securities and Futures Authority, and Morgan Stanley Japan Ltd. We recommend
that investors obtain the advice of their Morgan Stanley & Co. International
Limited or Morgan Stanley Japan Ltd. representative about the investment
concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K.
SECURITIES AND FUTURES AUTHORITY.
Morgan Stanley Dean Witter Capital I 2000-1 Trust
Mortgage Pass-Through Certificates
Series 2000-1
THIS TERM SHEET IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE
PROSPECTUS AND PROSPECTUS SUPPLEMENT RELATING TO THE
CERTIFICATES. PRIOR TO INVESTING IN THE CERTIFICATES INVESTORS
SHOULD CAREFULLY REVIEW THE PROSPECTUS AND PROSPECTUS
SUPPLEMENT.
Transaction Highlights
----------------------
<TABLE>
<CAPTION>
Group I - 10-year, Interest-Only, Adjustable Rate Collateral
-------------------------------------------------------------------------------------------------------------------------------
Expected
Ratings Credit Average Life Price Talk
Class Class Size(1) Coupon (S&P/Moody's) Support To Call Pricing Speed Benchmark (bps)
====== ================ ================= ================ ========= ============== =============== ============== ============
<S> <C> <C> <C> <C> <C> <C> <C>
A-I $230,000,000 LIBOR+[ ]bps(2) AAA/Aaa Ambac 3.96 20 CPR 1-Month LIBOR
Wrap
-------------------------------------------------------------------------------------------------------------------------------
(1) Subject to a variance of +/-5%
(2) Coupon will adjust each month to a per annum rate equal to the least of (i) 1-Month
LIBOR plus [ ]bps, (ii) 12.51% and (iii) the Net Weighted Average Mortgage Rate of the
mortgage loans in Loan Group I
</TABLE>
<TABLE>
<CAPTION>
Group II - 5-year, Interest Only, Hybrid, Adjustable Rate Collateral
-------------------------------------------------------------------------------------------------------------------------------
Expected
Ratings Credit Average Life Price Talk
Class Class Size(1) Coupon (S&P/Moody's) Support To Balloon Pricing Speed Benchmark (bps)
====== ================ ================= ================ ========= ============== =============== ============== ============
<S> <C> <C> <C> <C> <C> <C> <C>
A-II $107,800,000 WAC(2) AAA/Aaa Ambac 3.01(3) 20 CPR Curve
Wrap
-------------------------------------------------------------------------------------------------------------------------------
(1) Subject to a variance of +/-5%
(2) Coupon will be the Weighted Average Net Mortgage Rate on the mortgage loans in Loan
Group II
(3) Average life calculated assuming balloon in month 61
</TABLE>
Seller: Morgan Stanley Dean Witter Credit Corp. ("MSDWCC")
Servicer: Morgan Stanley Dean Witter Credit Corp.
Depositor: Morgan Stanley Dean Witter Capital I Inc.
Trustee: Wells Fargo Bank Minnesota, N.A.
Manager: MORGAN STANLEY DEAN WITTER (Sole Manager)
Cut-Off Date: July 1, 2000 (or the date of origination, if later)
Expected Pricing Date: On or around July 21, 2000
Expected Settlement Date: July 28, 2000 through DTC, Euroclear and
Clearstream Group I will settle flat. Group II will
settle with accrued interest.
Distribution Dates: The 15th day of each month beginning August, 2000
Day Count Basis: Group I: Actual/360
Group II: 30/360
Mortgage Loan Description: Group I - The Group I Loans consist of 343
high balance, adjustable rate mortgage
loans secured by first liens on 1-4
family residential properties with an
aggregate scheduled principal balance as
of the Cut-Off Date of approximately
$211,842,433. Each loan has an interest
rate that adjusts either a) monthly to a
spread over 1-Month LIBOR, b)
semi-annually to a spread over 6-Month
LIBOR, c) monthly to a spread over
1-year CMT or d) semi-annually to a
spread over 1-year CMT. Each loan will
have an original term to maturity of 25
years and is scheduled to pay interest
only for the first 10 years of its term.
Commencing in its 11th year, each
mortgage loan is scheduled to amortize
on a 15-year, fully amortizing basis.
Group II - The Group II Loans consist of 307
hybrid, adjustable rate mortgage loans
secured by first liens on 1-4 family
residential properties with an aggregate
scheduled principal balance as of the
Cut-Off Date of approximately
$90,005,337. Each loan will be fixed
rate for the first 5 years following its
origination, then will reset
semi-annually to a spread over 6-Month
LIBOR subject to initial and periodic
caps. Each loan will have an original
term to maturity of 30 years and is
scheduled to pay interest only for the
first 5 years of its term. Commencing in
its 6th year, each mortgage loan is
scheduled to amortize on a 25-year,
fully amortizing basis.
Additional Collateral Loans that have a loan-to-value in excess of 80%
Loans: are, in general, also either (i) secured by a
security interest in additional collateral
(generally securities) owned by the borrower (such
loans being referred to as "FlexSource") or (ii)
supported by a third party guarantee (generally a
parent of the borrower), which in turn is secured
by a security interest in collateral (generally
securities). The amount of such collateral does not
exceed 30% of the loan amount, although the amount
of additional collateral may exceed 30% of the loan
amount if the original principal amount of the loan
exceeds $1,000,000
Additional Collateral An Ambac provided limited purpose surety bond that
Loans Surety Bond: guarantees shortfalls in the net proceeds realized
from the liquidation of any required additional
collateral securing the Additional Collateral Loans
Prepayment Interest To the extent a Prepayment Interest Shortfall
Shortfalls: occurs, the Servicing Fee for any month will be
reduced by an amount not to exceed the aggregate
Servicing Fee for such Distribution Date.
Pre-Funding Account: On the Settlement Date, up to $20,000,000 with
respect to Group I Loans and up to $20,000,000 with
respect to Group II Loans will be deposited into
the Pre-Funding Account to be withdrawn within 3
months after the Closing Date to purchase
additional loans
Pricing Speed: Group I: 20 CPR
Group II: 20 CPR
Credit Enhancement: 100% Ambac certificate insurance policy, excess
spread and overcollateralization
Certificate The Ambac insurance policy will guarantee timely
Insurer/Certificate payment of interest and ultimate payment of
Insurance Policy: principal by the final scheduled Distribution Date
Clean-Up Calls: For the Class A-I Certificates, when the principal
amount of the loans in Loan Group I is less than or
equal to 10% of the original principal balance of
the loans in Loan Group I. For the Class A-II
Certificates, when the principal amount of the
loans in Loan Group II is less than or equal to 10%
of the original principal balance of the loans in
Loan Group II
Step-Up Coupon: The margin on the Class A-I Certificates will
increase to an amount two times the original margin
with respect to the first Distribution Date
following the earliest clean-up call date should
the call not be exercised
Denominations: The Certificates will be issued in book-entry form
in minimum denominations of $25,000 and integral
multiples of $1 in excess thereof
Trust Tax Status: REMIC
ERISA Eligibility: Class A-I and Class A-II will be ERISA eligible
subject to certain conditions set forth in the
prospectus and prospectus supplement
SMMEA Eligibility: Class A-I and Class A-II will be SMMEA eligible
after amounts in the Pre-Funding Account have been
reduced to zero
Risk Factors: The Certificates involve a significant degree of
risk and are therefore appropriate only for
investors (a) who are capable of analyzing and
assessing (i) loss experience on a portfolio of
mortgage loans having the characteristics of the
mortgage loans described herein, (ii) payment and
prepayment considerations of the mortgage loans and
the Certificates, and (iii) structures of
mortgage-backed securities and (b) who are capable
of bearing the financial risk associated with an
investment in the Certificates
Transaction Structure
---------------------
General
The Certificates of each Group will be cross-collateralized with one another.
Credit Enhancement
The Class A-I and Class A-II Certificates are credit enhanced by:
1) Ambac Assurance Corporation insurance policy,
2) Excess spread from the Mortgage Loans,
3) Loan Group I will have up-front overcollateralization of 0.00% and will
build to 1.00% from Loan Group I excess spread. After the 36th month and
subject to certain tests, the overcollateralization will equal the lesser
of 2.00% of the outstanding principal balance of the mortgage loans and the
initial overcollateralization amount, subject to a 75bps floor and certain
delinquency triggers,
4) Loan Group II will have up-front overcollateralization of 2.00%. After the
36th month and subject to certain tests, the overcollateralization will
equal the lesser of 4.00% of the outstanding principal balance of the
mortgage loans and the initial overcollateralization amount, subject to a
75bps floor and certain delinquency triggers,
5) Limited purpose surety bond for any losses on the additional collateral
securing the Additional Collateral Loans
Group I Structure
-----------------
Cashflow Priority
Distributions will be made on each Distribution Date from available funds for
Loan Group I in the following order of priority:
1. To pay allocable share of current and unpaid Servicing Fee and Trustee Fee,
2. To pay allocable share of Insurance Premium,
3. To pay allocable share of unreimbursed Advances to the Servicer,
4. To pay interest on the Class A-I Certificates, any undistributed accrued
interest, plus basis risk shortfalls to the extent of available funds in
the Basis Risk Reserve Fund,
5. To pay principal on the Class A-I Certificates,
6. To pay Class A-I, excess principal, to the extent necessary to reimburse
losses,
7. To pay allocable share of previously unreimbursed draws to the Certificate
Insurer under the Certificate Insurance Policy and any other amounts owed
to the Certificate Insurer pursuant to the Insurance Agreement with respect
to such pool,
8. To pay Class A-II, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-II Certificates to the
extent the principal balance of Class A-II exceeds the principal balance of
the Group II Loans,
9. To pay Class A-I, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-I Certificates,
10. To pay Class A-II, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-II Certificates to the
extent of realized losses allocated to the overcollateralization amount,
11. To the Basis Risk Reserve Fund to the extent required in the Pooling and
Servicing Agreement,
12. The remainder of Group I available funds to the Class R Certificate.
Pass-Through Rate
The Class A-I Certificate Pass-Through Rate at each Distribution Date will be a
floating rate equal to the least of (i) 1-Month LIBOR plus [ ]bps, (ii) 12.51%
and (iii) the Weighted Average Net Mortgage Rate for the Group I Loans
(generally defined as the mortgage rate for each mortgage loan in Loan Group I
less (i) the Servicing Fee, Trustee Fee and the Insurance Premium, the sum of
which will be approximately 0.38% and (ii) for certain loans, a spread of
0.50%).
Principal Payments
Principal payments will be payable on the Class A-I Certificates on each
Distribution Date in an amount equal to the Class A-I Principal Distribution
Amount for such Distribution Date. The Class A-I Principal Distribution Amount
for any Distribution Date will generally equal received or advanced scheduled
principal amounts, unscheduled principal amounts, the principal portion of
realized losses and the overcollateralization increase amount, reduced by the
overcollateralization reduction amount for such Distribution Date.
Advances
The Servicer is obligated to make advances of cash, which will be included with
mortgage collections, in an amount equal to the delinquent monthly payments due
on the immediately preceding monthly payment date. The Servicer is under no
obligation to make advances to the extent it determines such advances are not
recoverable from future payments or collections on the related Mortgage Loan or
to guarantee or insure against losses.
Group II Structure
------------------
Cashflow Priority
Distributions will be made on each Distribution Date from available funds for
Loan Group II in the following order of priority:
1. To pay allocable share of current and unpaid Servicing Fee and Trustee Fee,
2. To pay allocable share of Insurance Premium,
3. To pay allocable share of unreimbursed Advances to the Servicer,
4. To pay interest on the Class A-II Certificates and any undistributed
interest,
5. To pay principal on the Class A-II Certificates,
6. To pay Class A-II, excess cashflow, to the extent necessary to reimburse
losses,
7. To pay allocable share of previously unreimbursed draws to the Certificate
Insurer under the Certificate Insurance Policy and any other amounts owed
to the Certificate Insurer pursuant to the Insurance Agreement with respect
to such Pool,
8. To pay Class A-I, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-I Certificates to the
extent the principal balance of Class A-I exceeds the principal balance of
the Group I Loans,
9. To pay Class A-II, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-II Certificates,
10. To pay Class A-I, excess cashflow, to the extent necessary to satisfy the
overcollateralization requirement on the Class A-I Certificates to the
extent of realized losses allocated to the overcollateralization amount,
11. The remainder of Group II available funds to the Class R Certificate.
Pass-Through Rate
The Class A-II Certificate Pass-Through Rate at each Distribution Date will be
the Weighted Average Net Mortgage Rate of the underlying mortgage loans in Loan
Group II (defined as the weighted average mortgage rate for the mortgage loans
in Loan Group II less the Servicing Fee, Trustee Fee and the Insurance Premium.
The sum of the Servicing Fee, Trustee Fee and Insurance Premium will not exceed
0.63% of the outstanding balance of the Class A-II Certificates).
Principal Payments
Principal payments will be payable on the Class A-II Certificates on each
Distribution Date in an amount equal to the Class A-II Principal Distribution
Amount for such Distribution Date. The Class A-II Principal Distribution Amount
for any Distribution Date will generally equal received or advanced scheduled
principal amounts, unscheduled principal amounts, the principal portion of
realized losses and the overcollateralization increase amount, reduced by the
overcollateralization reduction amount for such Distribution Date.
Advances
The Servicer is obligated to make advances of cash, which will be included with
mortgage collections, in an amount equal to the delinquent monthly payments due
on the immediately preceding monthly payment date. The Servicer is under no
obligation to make advances to the extent it determines such advances are not
recoverable from future payments or collections on the related Mortgage Loan or
to guarantee or insure against losses.
Morgan Stanley Dean Witter Capital I 2000-1 Trust
Collateral Description*
<TABLE>
<CAPTION>
Group: Group I: 10-Year, Interest Only, Group II: 5-Year, Interest Only, Hybrid,
--------------------------------- ----------------------------------------
Adjustable Rate Collateral Adjustable Rate Collateral
-------------------------- --------------------------
<S> <C> <C>
Aggregate Balance: $211,842,433 $90,005,337
Number of Loans: 343 307
Average Current Balance: $617,616 $293,177
Weighted Average Initial Gross Coupon: 8.434% 8.524%
Weighted Average Gross Margin: 1.88% 2.00%
Weighted Average Periodic 0.00%/0.00% 6.00%/2.00%
Cap(Initial/Periodic):
Weighted Average Life Cap: 12.996% 14.518%
Latest Scheduled Maturity: 07/01/2025 07/01/2030
Loan Type: 77.83% 1-Month LIBOR 100% Fixed Rate for 5 years, 6-Month
15.43% 6-Month LIBOR LIBOR thereafter
6.74% 1-Year CMT
Original Weighted Average Term: 300 Months 360 Months
Remaining Weighted Average Maturity: 297 Months 359 Months
Weighted Average Seasoning: 3 Months 1 Month
Weighted Average FICO Score: 711 709
Lien Position: 1st/100% 1st/100%
Weighted Average Current Loan-to-Value 87.08% 89.34%
Ratio:
Weighted Average Effective Loan-to-Value 61.84% 66.57%
Ratio**:
Property Type: 75.14% Single Family, 15.40% PUD, 63.17% Single Family, 19.18% PUD,
6.47% Condo, 2.70% 2-4 Family, 13.28% Condo, 3.53% 2-4 Family,
0.29% Townhouse 0.83% Townhouse
Owner Occupancy: 82.97% Owner Occupied, 16.65% Second Home, 81.01% Owner Occupied, 16.95% Second
0.39% Investor Home, 2.04% Investor
Geographic Distribution (> 5%): CA 36.48%, FL 14.41%, WA 7.02%, CA 34.90%, FL 10.62%, NJ 6.33%,
TX 7.02% IL 5.75%, NY 5.30%
* The description of the collateral herein will be superceded by the description of the collateral in the prospectus supplement.
** Effective Loan-to-Value is calculated using a numerator which is the current principal balance of the loan less the amount of
additional collateral securing the Additional Collateral Loan and the denominator which is the Appraised Value of the property.
</TABLE>
Contacts
SPG Finance Group SPG Capital Markets
----------------- -------------------
Phone Phone
----- -----
NY: Steven Shapiro 761-2146 NY: Dennis Scurletis 761-2248
A.J. Sfarra 761-2913 Yared Yawand-Wossen 761-1973
Leigh Lucas 761-2152 Richard Onkey 761-2140
Michael Edman 761-1984
Kenneth Lee 761-1783
SPG Trading
-----------
Phone
-----
NY: Larry Rosati 761-2086
Brian Barry 761-2081
---------------------------------------
Please Direct
All Questions and Orders
To SPG Capital Markets
---------------------------------------
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
-----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Current Mortgage Mortgage Current Current Current Average Average Maximum
Rates (%) Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
7.251 - 7.500 3 2,000,000.00 0.94 666,667 7.500 0.988 12.300
7.501 - 7.750 2 1,205,000.00 0.57 602,500 7.724 2.046 12.724
7.751 - 8.000 8 3,027,743.61 1.43 378,468 7.975 1.991 12.975
8.001 - 8.250 63 39,149,720.89 18.48 621,424 8.161 1.738 13.021
8.251 - 8.500 226 106,429,567.78 50.24 470,927 8.386 1.787 12.900
8.501 - 8.750 20 34,762,137.04 16.41 1,738,107 8.641 2.031 12.911
8.751 - 9.000 16 19,802,019.17 9.35 1,237,626 8.875 2.304 13.496
9.001 - 9.250 5 5,466,245.00 2.58 1,093,249 9.148 2.463 13.735
-----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-----------------------------------------------------------------------------------------------------
(table continued)
-----------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Current Mortgage To Remaining Average Current Effective Cashout Owner
Rates (%) Roll Terms Seasoning LTV LTV Refi Occupied
-----------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
7.251 - 7.500 2 297.0 3.0 36.68 39.10 40.0 60.0
7.501 - 7.750 3 297.6 2.4 95.91 62.06 78.8 100.0
7.751 - 8.000 3 297.6 2.4 52.40 51.12 70.6 62.2
8.001 - 8.250 2 296.2 3.8 87.21 67.28 15.6 90.3
8.251 - 8.500 1 297.3 2.7 89.56 64.43 9.4 82.3
8.501 - 8.750 1 295.8 4.2 89.25 55.17 19.1 94.4
8.751 - 9.000 1 297.1 2.9 78.78 54.85 22.2 54.0
9.001 - 9.250 2 298.9 1.1 89.77 54.57 16.6 92.7
-----------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-----------------------------------------------------------------------------------------------
Minimum: 7.5000
Maximum: 9.2500
Weighted Average: 8.4336
-----------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 1 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
---------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Current Mortgage Loan Mortgage Current Current Current Average Average Maximum
Principal Balance ($) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.01 - 50,000.00 4 168,000.00 0.08 42,000 8.304 1.786 12.625
50,000.01 - 100,000.00 31 2,628,849.72 1.24 84,802 8.417 1.919 13.008
100,000.01 - 150,000.00 42 5,337,474.79 2.52 127,083 8.380 1.801 12.952
150,000.01 - 200,000.00 37 6,748,425.41 3.19 182,390 8.355 1.865 13.026
200,000.01 - 250,000.00 27 6,005,626.39 2.83 222,431 8.318 1.768 12.919
250,000.01 - 300,000.00 21 5,672,236.16 2.68 270,106 8.380 1.829 13.015
300,000.01 - 350,000.00 19 6,154,771.00 2.91 323,935 8.314 1.748 12.966
350,000.01 - 400,000.00 19 7,189,642.00 3.39 378,402 8.359 1.866 13.109
400,000.01 - 450,000.00 11 4,717,550.00 2.23 428,868 8.339 1.864 13.124
450,000.01 - 500,000.00 16 7,762,231.46 3.66 485,139 8.352 1.781 12.947
500,000.01 - 750,000.00 46 29,283,974.05 13.82 636,608 8.347 1.775 13.023
750,000.01 - 1,000,000.00 20 17,997,964.17 8.50 899,898 8.327 1.852 13.013
1,000,000.01 - 1,250,000.00 10 11,470,500.00 5.41 1,147,050 8.285 1.739 13.070
1,250,000.01 - 1,500,000.00 10 14,144,500.00 6.68 1,414,450 8.348 1.810 12.956
1,500,000.01 - 1,750,000.00 8 13,051,297.36 6.16 1,631,412 8.314 1.782 12.923
1,750,000.01 - 2,000,000.00 4 7,705,000.00 3.64 1,926,250 8.472 1.782 13.346
2,000,000.01 - 2,250,000.00 2 4,230,000.00 2.00 2,115,000 8.623 1.998 13.123
2,250,000.01 - 2,500,000.00 1 2,400,000.00 1.13 2,400,000 8.375 1.750 12.625
2,500,000.01 - 2,750,000.00 2 5,435,000.00 2.57 2,717,500 8.689 2.126 13.689
2,750,000.01 - 3,000,000.00 1 2,999,750.00 1.42 2,999,750 8.625 2.000 13.125
3,000,000.01 - 3,250,000.00 1 3,250,000.00 1.53 3,250,000 8.625 2.000 13.125
3,250,000.01 - 3,500,000.00 3 10,200,000.00 4.81 3,400,000 8.836 2.211 13.414
3,500,000.01 - 3,750,000.00 1 3,546,400.00 1.67 3,546,400 8.625 2.000 12.750
3,750,000.01 - 4,000,000.00 2 7,998,729.17 3.78 3,999,365 8.875 2.250 13.250
4,250,000.01 - 4,500,000.00 1 4,500,000.00 2.12 4,500,000 8.625 2.000 13.125
4,500,000.01 - 4,750,000.00 1 4,560,828.58 2.15 4,560,829 8.375 2.000 12.000
4,750,000.01 - 5,000,000.00 1 4,997,395.83 2.36 4,997,396 8.125 1.875 12.500
5,250,000.01 - 5,500,000.00 1 5,486,287.40 2.59 5,486,287 8.625 2.000 12.875
6,000,000.01 - 6,250,000.00 1 6,200,000.00 2.93 6,200,000 8.625 2.000 12.000
---------------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
---------------------------------------------------------------------------------------------------------
(table continued)
-------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Current Mortgage Loan to Remaining Average Current Effective Cashout Owner
Principal Balance ($) Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.01 - 50,000.00 2 298.0 2.0 25.30 25.30 28.6 100.0
50,000.01 - 100,000.00 2 297.2 2.8 89.50 71.38 5.8 66.1
100,000.01 - 150,000.00 1 297.8 2.2 84.08 67.89 11.7 81.3
150,000.01 - 200,000.00 2 298.1 1.9 90.56 69.62 3.0 84.5
200,000.01 - 250,000.00 1 297.5 2.5 87.99 72.08 15.2 80.9
250,000.01 - 300,000.00 2 298.2 1.8 92.02 67.65 0.0 90.8
300,000.01 - 350,000.00 1 297.9 2.1 96.68 70.23 10.4 72.8
350,000.01 - 400,000.00 2 298.3 1.7 83.51 61.83 16.2 83.9
400,000.01 - 450,000.00 2 298.6 1.4 87.96 67.17 27.9 91.0
450,000.01 - 500,000.00 1 297.9 2.1 92.22 67.63 25.0 100.0
500,000.01 - 750,000.00 1 298.3 1.7 86.32 64.83 10.7 84.1
750,000.01 - 1,000,000.00 2 298.0 2.0 79.75 63.80 20.3 75.0
1,000,000.01 - 1,250,000.00 2 298.8 1.2 87.08 65.90 0.0 100.0
1,250,000.01 - 1,500,000.00 1 297.8 2.2 87.40 62.01 21.2 70.9
1,500,000.01 - 1,750,000.00 2 297.2 2.8 94.39 62.57 0.0 100.0
1,750,000.01 - 2,000,000.00 2 298.5 1.5 89.40 58.61 0.0 100.0
2,000,000.01 - 2,250,000.00 1 297.5 2.5 82.79 57.38 0.0 100.0
2,250,000.01 - 2,500,000.00 1 296.0 4.0 62.10 62.10 0.0 0.0
2,500,000.01 - 2,750,000.00 2 298.5 1.5 100.00 60.00 0.0 100.0
2,750,000.01 - 3,000,000.00 1 297.0 3.0 70.58 70.59 0.0 100.0
3,000,000.01 - 3,250,000.00 1 296.0 4.0 100.00 50.00 0.0 100.0
3,250,000.01 - 3,500,000.00 1 298.7 1.3 100.00 47.95 0.0 100.0
3,500,000.01 - 3,750,000.00 1 296.0 4.0 71.21 35.00 0.0 100.0
3,750,000.01 - 4,000,000.00 1 294.5 5.5 56.18 56.19 50.0 0.0
4,250,000.01 - 4,500,000.00 1 298.0 2.0 100.00 60.00 0.0 100.0
4,500,000.01 - 4,750,000.00 4 286.0 14.0 99.91 49.99 0.0 0.0
4,750,000.01 - 5,000,000.00 2 278.0 22.0 62.47 62.50 100.0 100.0
5,250,000.01 - 5,500,000.00 1 297.0 3.0 99.40 47.01 0.0 100.0
6,000,000.01 - 6,250,000.00 1 290.0 10.0 94.66 59.77 100.0 100.0
-------------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-------------------------------------------------------------------------------------------------------
Minimum: 30,000
Maximum: 6,200,000
Average: 617,616
-------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 2 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
---------------------------------------------------------------------------------------------------
Number % of Weighted
Current of Total Total Average Weighted Weighted Average
Loan-to-Value Mortgage Current Current Current Average Average Maximum
Ratio (%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
10.01 - 15.00 1 50,000.00 0.02 50,000 8.375 1.750 12.875
20.01 - 25.00 3 219,900.00 0.10 73,300 8.631 1.835 13.471
25.01 - 30.00 1 157,474.99 0.07 157,475 8.375 1.750 12.875
30.01 - 35.00 4 2,899,331.11 1.37 724,833 8.017 1.750 12.966
35.01 - 40.00 4 3,897,116.86 1.84 974,279 8.216 1.591 12.662
40.01 - 45.00 3 861,000.00 0.41 287,000 8.158 1.570 13.095
45.01 - 50.00 7 6,375,000.00 3.01 910,714 8.646 2.078 13.562
50.01 - 55.00 6 3,299,999.63 1.56 550,000 8.324 1.767 12.814
55.01 - 60.00 4 1,578,934.38 0.75 394,734 8.502 1.877 13.002
60.01 - 65.00 9 12,607,395.83 5.95 1,400,822 8.346 1.871 12.843
65.01 - 70.00 13 7,381,282.70 3.48 567,791 8.776 2.143 12.868
70.01 - 75.00 9 10,965,631.67 5.18 1,218,404 8.478 1.873 12.884
75.01 - 80.00 57 20,229,376.31 9.55 354,901 8.353 1.813 13.096
80.01 - 85.00 7 3,529,880.57 1.67 504,269 8.327 1.758 12.718
85.01 - 90.00 5 4,133,000.00 1.95 826,600 8.337 1.788 12.988
90.01 - 95.00 13 13,751,109.58 6.49 1,057,778 8.398 1.902 12.621
95.01 - 100.00 195 118,763,269.86 56.06 609,042 8.452 1.891 13.047
100.01 >= 2 1,142,730.00 0.54 571,365 8.324 1.801 13.324
-------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-------------------------------------------------------------------------------------------------
(table continued)
-------------------------------------------------------------------------------------------------
Weighted Weighted
Average Avenge Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Current to Remaining Average Current Effective Cashout Owner
Loan-to-Value Ratio (%) Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
10.01 - 15.00 1 298.0 2.0 12.20 12.20 0.0 100.0
20.01 - 25.00 4 298.7 1.3 23.93 23.94 0.0 100.0
25.01 - 30.00 1 297.0 3.0 27.39 60.00 0.0 0.0
30.01 - 35.00 2 297.4 2.6 33.08 34.76 48.3 5l.7
35.01 - 40.00 1 297.2 2.8 37.21 41.73 59.0 79.5
40.01 - 45.00 2 299.6 0.4 41.10 41.10 18.7 100.0
45.01 - 50.00 1 298.7 1.3 46.93 47.01 6.9 37.3
50.01 - 55.00 1 297.5 2.5 52.71 53.42 34.1 69.7
55.01 - 60.00 1 297.7 2.3 57.70 57.70 100.0 66.1
60.01 - 65.00 2 289.6 10.4 63.22 63.23 45.4 79.0
65.01 - 70.00 2 293.1 6.9 67.79 67.80 76.0 43.3
70.01 - 75.00 1 297.1 2.9 71.93 59.54 2.3 100.0
75.01 - 80.00 2 298.5 1.5 78.57 78.53 9.0 87.8
80.01 - 85.00 1 296.1 3.9 83.19 68.60 42.5 100.0
85.01 - 90.00 2 298.3 1.7 88.38 62.12 0.0 94.8
90.01 - 95.00 1 294.6 5.4 93.78 62.06 53.6 100.0
95.01 - 100.00 1 297.6 2.4 99.81 61.13 2.3 84.3
100.01 >= 2 298.2 1.8 102.60 59.63 0.0 100.0
-------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-------------------------------------------------------------------------------------------------
Minimum: 12.20
Maximum: 104.17
Weighted Average: 87.08
-------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 3 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
-------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Margin (%) Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.751 - 1.000 2 1,900,000.00 0.90 950,000 7.500 0.947 12.289
1.251 - 1.500 21 12,127,938.00 5.72 577,521 8.140 1.500 13.081
1.501 - 1.750 218 96,719,145.85 45.66 443,666 8.353 1.747 12.903
1.751 - 2.000 52 64,362,115.94 30.38 1,237,733 8.446 1.941 12.891
2.001 - 2.250 39 29,428,530.54 13.89 754,578 8.715 2.214 13.376
2.251 - 2.500 7 5,332,703.16 2.52 761,815 9.055 2.457 13.579
2.501 - 2.750 1 95,000.00 0.04 95,000 8.125 2.750 13.125
2.751 - 3.000 2 997,000.00 0.47 498,500 8.826 2.875 13.876
3.251 - 3.500 1 880,000.00 0.42 880,000 8.875 3.500 13.875
-------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-------------------------------------------------------------------------------------------------
(table continued)
-------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Margin (%) Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.751 - 1.000 2 297.0 3.0 34.40 36.95 42.1 57.9
1.251 - 1.500 1 299.5 0.5 87.65 70.92 5.0 89.6
1.501 - 1.750 1 297.9 2.1 88.44 64.70 10.5 84.5
1.751 - 2.000 2 294.5 5.5 89.79 58.79 19.7 91.2
2.001 - 2.250 2 297.0 3.0 78.74 57.92 22.4 57.8
2.251 - 2.500 2 298.2 1.8 93.56 56.73 21.5 91.0
2.501 - 2.750 1 300.0 0.0 100.00 69.47 0.0 0.0
2.751 - 3.000 1 299.6 0.4 72.47 54.41 0.0 59.9
3.251 - 3.500 6 300.0 0.0 100.00 70.00 0.0 100.0
-------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-------------------------------------------------------------------------------------------------
Minimum: 0.8750
Maximum: 3.5000
Weighted Average: 1.8805
-------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Initial Periodic Mortgage Currant Current Current Average Average Maximum
Cap (%) Loans Balance Balance Balance Coupon Margin Rate
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.000 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
--------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
--------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Initial Periodic to Remaining Avenge Current Effective Cashout Owner
Cap (%) Roll Term Seasoning LTV LTV Refi Occupied
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.000 2 296.9 3.1 87.08 61.84 15.1 83.0
--------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
--------------------------------------------------------------------------------------------------
Minimum: 0.0000
Maximum: 0.0000
Weighted Average: 0.0000
-------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 4 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
-------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Lifetime Rate Mortgage Current Current Current Average Average Maximum
Cap (%) Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
3.875 1 48,000.00 0.02 48,000 8.125 1.875 12.000
5.000 339 204,560,130.33 96.56 603,422 8.431 1.880 13.031
5.125 2 1,034,303.16 0.49 517,152 7.727 1.215 12.000
5.250 1 6,200,000.00 2.93 6,200,000 8.625 2.000 12.000
-------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Lifetime Rate to Remaining Average Current Effective Cashout Owner
Cap (%) Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
3.875 4 298.0 2.0 41.74 41.74 100.0 100.0
5.000 2 297.1 2.9 87.07 62.00 12.1 82.8
5.125 2 293.4 6.6 44.62 44.64 100.0 22.7
5.250 1 290.0 10.0 94.66 59.77 100.0 100.0
--------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
--------------------------------------------------------------------------------------------------
Minimum: 3.8750
Maximum: 5.2500
Weighted Average: 5.0077
--------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Maximum Mortgage Mortgage Current Current Current Average Average Maximum
Rates (%) Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
11.751 - 12.000 5 11,843,131.74 5.59 2,368,626 8.448 1.931 12.000
12.251 - 12.500 10 8,998,000.29 4.25 899,800 8.086 1.699 12.485
12.501 - 12.750 63 35,054,344.31 16.55 556,418 8.437 1.844 12.660
12.751 - 13.000 126 62,704,140.11 29.60 497,652 8.390 1.810 12.900
13.001 - 13.250 73 49,417,325.03 23.33 676,950 8.320 1.808 13.160
13.251 - 13.500 48 26,207,692.01 12.37 545,994 8.569 1.998 13.419
13.501 - 13.750 10 7,642,000.00 3.61 764,200 8.774 2.168 13.718
13.751 - 14.000 5 8,087,500.00 3.82 1,617,500 8.875 2.382 13.875
14.001 - 14.250 3 1,888,300.00 0.89 629,433 9.185 2.404 14.212
-------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-------------------------------------------------------------------------------------------------
(table continued)
------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Maximum Mortgage to Remaining Average Current Effective Cashout Owner
Rates (%) Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
11.751 - 12.000 2 288.8 11.2 92.10 54.61 61.5 54.7
12.251 - 12.500 2 286.1 13.9 60.38 62.02 56.4 100.0
12.501 - 12.750 1 296.3 3.7 82.81 62.82 20.1 71.9
12.751 - 13.000 1 297.6 2.4 90.42 61.10 13.8 85.8
13.001 - 13.250 2 298.5 1.5 90.11 65.69 3.5 92.3
13.251 - 13.500 2 298.7 1.3 88.79 65.21 3.4 87.6
13.501 - 13.750 3 299.0 1.0 97.46 46.23 5.6 93.7
13.751 - 14.000 2 299.1 0.9 71.89 54.15 0.0 50.5
14.001 - 14.250 4 299.3 0.7 71.00 61.79 48.2 78.8
------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
------------------------------------------------------------------------------------------------
Minimum: 12.0000
Maximum: 14.2500
Weighted Average: 12.9956
------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 5 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Months to Next Rate Mortgage Current Current Current Average Average Maximum
Adjustment Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1 282 172,451,182.38 81.41 611,529 8.458 1.862 12.978
2 1 4,997,395.83 2.36 4,997,396 8.125 1.875 12.500
3 26 14,354,554.15 6.78 552,098 8.137 1.877 13.137
4 12 9,928,713.17 4.69 827,393 8.379 1.971 12.742
5 l0 5,805,472.80 2.74 580,547 8.639 2.030 13.556
6 12 4,305,115.16 2.03 358,760 8.631 2.247 13.631
----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
----------------------------------------------------------------------------------------------------
(table continued)
---------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Months to Next Rate to Remaining Average Current Effective Cashout Owner
Adjustment Roll Term Seasoning LTV LTV Refi Occupied
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1 1 297.5 2.5 87.68 61.53 12.6 83.3
2 2 278.0 22.0 62.47 62.50 100.0 100.0
3 3 297.0 3.0 81.19 62.50 23.9 83.5
4 4 292.5 7.5 97.34 58.16 1.6 54.1
5 5 298.1 1.9 85.51 66.92 19.7 97.1
6 6 300.0 0.0 89.38 72.90 12.5 95.3
---------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
---------------------------------------------------------------------------------------------------
Minimum: 1
Maximum: 6
Weighted Average: 1.5
---------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 6 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
Number % of Weighted
Geographic of Total Total Average Weighted Weighted Average
Distribution Mortgage Current Current Current Average Average Maximum
by Balance Loans Balance Balance Balance Coupon Margin Rate
---------- ----- ------- ------- ------- ------ ------ ----
<S> <C> <C> <C> <C> <C> <C> <C>
California 81 77,270,525.72 36.48 953,957 8.502 1.934 13.151
Florida 37 30,518,310.83 14.41 824,819 8.435 1.912 12.975
Washington l7 14,881,628.58 7.02 875,390 8.350 1.857 12.661
Texas 23 14,872,260.57 7.02 646,620 8.444 1.844 12.944
Georgia 8 9,265,784.37 4.37 1,158,223 8.542 1.917 12.262
New York 19 7,215,787.34 3.41 379,778 8.384 1.804 13.144
New Jersey 18 6,697,880.94 3.16 372,104 8.237 1.715 12.954
Connecticut 6 6,437,300.00 3.04 1,072,883 8.325 1.751 12.814
Massachusetts 6 5,187,500.00 2.45 864,583 8.375 1.716 12.828
Arizona 17 5,123,717.89 2.42 301,395 8.356 1.777 12.886
Illinois 12 4,079,948.40 1.93 339,996 8.376 1.786 12.979
Maryland 7 3,827,906.00 1.81 546,844 8.182 1.912 13.148
Virginia 9 3,585,080.00 1.69 398,342 8.333 1.797 12.982
Wisconsin 2 3,511,927.81 1.66 1,755,964 8.845 2.220 13.697
Ohio 10 1,894,621.59 0.89 189,462 8.341 1.778 13.044
Colorado 5 1,739,800.00 0.82 347,960 7.892 1.442 12.560
Nevada 6 1,260,877.75 0.60 210,146 8.308 1.683 12.918
Tennessee 3 1,211,299.00 0.57 403,766 8.498 2.304 13.245
South Carolina 3 1,120,000.00 0.53 373,333 8.310 1.799 12.875
Indiana 4 1,094,116.67 0.52 273,529 8.443 1.672 13.296
Hawaii 5 1,066,500.00 0.50 213,300 8.317 1.750 12.882
Kansas 2 1,042,560.00 0.49 521,280 8.375 1.750 12.625
Oklahoma 8 1,003,800.00 0.47 125,475 8.396 1.785 13.045
Kentucky 2 928,000.00 0.44 464,000 8.324 1.699 12.926
Maine 3 883,315.16 0.42 294,438 8.223 1.919 13.040
Pennsylvania 3 833,500.00 0.39 277,833 8.525 2.050 13.283
Missouri 2 702,900.00 0.33 351,450 8.375 1.750 13.155
Oregon 3 624,912.50 0.29 208,304 8.069 1.852 12.909
Idaho 2 489,342.00 0.23 244,671 8.178 1.750 13.072
Louisiana 2 481,098.00 0.23 240,549 8.375 1.750 12.699
Arkansas 3 442,300.00 0.21 147,433 8.460 1.891 13.161
New Mexico 3 415,000.00 0.20 138,333 8.580 2.008 13.186
Michigan 1 400,000.00 0.19 400,000 9.125 2.875 14.250
North Carolina 2 354,272.00 0.17 177,136 8.375 1.750 12.908
District of Columbia 1 340,000.00 0.16 340,000 8.125 1.875 13.125
Minnesota 3 274,460.37 0.13 91,487 8.375 1.750 13.048
Rhode Island 1 269,000.00 0.13 269,000 8.375 1.750 12.875
Alabama 1 260,000.00 0.12 260,000 8.375 1.750 12.875
Alaska 1 120,000.00 0.06 120,000 8.125 1.875 13.125
New Hampshire 1 67,200.00 0.03 67,200 8.375 1.750 12.750
Continued...
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Geographic Months Stated Weighted Average Average Percent Percent
Distribution to Remaining Average Current Effective Cashout Owner
by Balance Roll Term Seasoning LTV LTV Refi Occupied
---------- ---- ---- --------- --- --- ---- --------
<S> <C> <C> <C> <C> <C> <C> <C>
California 2 297.9 2.1 90.48 62.25 8.5 93.9
Florida 1 293.8 6.2 73.48 64.08 32.0 60.4
Washington 2 294.7 5.3 98.53 59.15 0.0 64.5
Texas 1 297.7 2.3 94.84 55.21 0.0 84.7
Georgia 1 292.5 7.5 95.33 62.49 72.1 100.0
New York 1 298.2 1.8 73.68 62.66 8.0 93.6
New Jersey 2 297.8 2.2 84.47 64.10 21.5 84.2
Connecticut 2 296.9 3.1 66.11 46.19 0.0 91.9
Massachusetts 2 297.3 2.7 70.07 64.89 22.8 43.4
Arizona 1 297.9 2.1 90.02 69.73 25.1 77.1
Illinois 1 297.8 2.2 83.27 69.84 9.8 93.7
Maryland 3 298.4 l.6 94.08 68.97 35.1 97.0
Virginia 1 298.1 1.9 94.33 69.49 26.6 85.9
Wisconsin 1 298.9 1.1 99.70 25.89 0.0 100.0
Ohio 1 298.3 l.7 76.50 66.76 0.0 73.8
Colorado 2 297.7 2.3 70.00 54.84 46.0 48.6
Nevada 1 298.2 1.8 98.06 70.86 0.0 73.5
Tennessee 1 299.3 0.7 90.35 73.28 0.0 56.7
South Carolina 1 297.3 2.7 100.00 69.91 0.0 58.0
Indiana 3 299.3 0.7 97.75 70.72 38.8 90.7
Hawaii 1 298.1 1.9 91.59 73.21 0.0 58.0
Kansas 1 297.2 2.8 96.79 54.77 0.0 100.0
Oklahoma 1 298.0 2.0 95.88 71.37 0.0 86.1
Kentucky 1 298.4 1.6 100.00 61.96 0.0 100.0
Maine 2 299.3 0.7 86.75 76.53 0.0 100.0
Pennsylvania 2 297.2 2.8 100.00 69.89 0.0 100.0
Missouri 1 299.0 1.0 100.00 65.43 0.0 87.9
Oregon 2 299.4 0.6 91.15 70.68 0.0 100.0
Idaho 1 299.6 0.4 87.06 69.59 21.1 100.0
Louisiana 1 296.3 3.7 93.50 72.30 0.0 100.0
Arkansas 1 298.0 2.0 96.45 71.58 17.7 40.3
New Mexico 2 298.0 2.0 93.18 64.74 0.0 53.7
Michigan 1 299.0 1.0 31.37 31.37 0.0 0.0
North Carolina 1 298.3 1.7 80.00 80.00 0.0 100.0
District of Columbia 3 297.0 3.0 100.00 60.00 100.0 0.0
Minnesota 1 298.0 2.0 78.21 64.50 0.0 100.0
Rhode Island l 297.0 3.0 96.l4 69.69 0.0 100.0
Alabama 1 298,0 2.0 65.34 65.34 0.0 100.0
Alaska 1 300.0 0.0 63.16 63.16 0.0 100.0
New Hampshire 1 297.0 3.0 78.14 78.14 0.0 100.0
Continued...
</TABLE>
Jul 19, 2000 22:45 Page 7 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
-----------------------------------------------------------------------------------------------------
...continued
-----------------------------------------------------------------------------------------------------
Number % of Weighted
Geographic of Total Total Average Weighted Weighted Average
Distribution Mortgage Current Current Current Average Average Maximum
by Balance Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Vermont 1 48,000.00 0.02 48,000 8.125 1.875 12.000
-----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-----------------------------------------------------------------------------------------------------
Number of States Represented: 42
-----------------------------------------------------------------------------------------------------
(table continued)
----------------------------------------------------------------------------------------------------
...continued
----------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Geographic Months Stated Weighted Average Average Percent Percent
Distribution to Remaining Average Current Effective Cashout Owner
by Balance Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Vermont 4 298.0 2.0 41.74 41.74 100.0 100.0
----------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
----------------------------------------------------------------------------------------------------
Number of States Represented: 42
----------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Property Type Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Single Family Residence 236 159,175,351.55 75.14 674,472 8.439 1.888 12.954
PUD 56 32,621,413.20 15.40 582,525 8.362 1.841 13.074
Condo 41 13,712,469.11 6.47 334,450 8.449 1.828 13.057
2-4 Family 6 5,721,199.63 2.70 953,533 8.656 2.050 13.563
Townhouse 4 612,000.00 0.29 153,000 8.375 1.750 13.029
-----------------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-----------------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Property Type Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Single Family Residence 1 296.4 3.6 86.53 60.33 17.6 81.6
PUD 1 298.2 1.8 92.05 68.33 3.5 88.6
Condo 2 298.2 1.8 80.89 62.98 8.2 80.0
2-4 Family 3 298.6 1.4 89.25 63.19 27.7 100.0
Townhouse 1 297.9 2.1 81.59 71.13 23.5 57.8
-------------------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-------------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Occupancy Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Primary 283 175,759,253.60 82.97 621,057 8.427 1.867 13.015
Second Home 56 35,262,079.89 16.65 629,680 8.470 1.947 12.897
Investment 4 821,100.00 0.39 205,275 8.329 1.923 13.009
----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
----------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Occupancy Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Primary 2 297.1 2.9 88.63 62.31 14.3 100.0
Second Hate 2 295.4 4.6 79.45 59.23 18.9 0.0
Investment 2 299.4 0.6 82.06 73.51 14.0 0.0
----------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
----------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 8 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Currant Current Current Average Average Maximum
Purpose Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Purchase 299 178,966,209.26 84.48 598,549 8.439 1.875 13.057
Refinance - Cashout 39 31,988,421.86 15.10 820,216 8.408 1.912 12.652
Refinance - Rate Term 5 887,802.37 0.42 177,560 8.266 1.750 12.957
----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
----------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Purpose Roll Term Seasoning LTV LTV Refi Occupied
-----------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Purchase 1 297.7 2.3 89.80 62.20 0.0 83.6
Refinance -Cashout 2 292.1 7.9 71.98 59.60 100.0 78.8
Refinance - Rate Term 1 298.7 1.3 82.04 70.52 0.0 100.0
-----------------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-----------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Currant Current Current Average Average Maximum
Documentation Level Loans Balance Balance Balance Coupon Margin Rate
------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Lite 198 121,087,071.65 57.16 611,551 8.439 1.870 13.046
Alternative 130 80,734,784.89 38.11 621,037 8.427 1.881 12.921
Unknown 2 5,231,698.99 2.47 2,615,849 8.142 1.897 12.478
No Income Verifier 12 3,033,877.96 1.43 252,823 8.943 2.334 13.658
Full 1 1,755,000.00 0.83 1,755,000 8.375 1.750 13.375
------------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
------------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Documentation Level Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Lite 1 297.8 2.2 88.92 63.67 8.9 83.1
Alternative 2 296.6 3.4 86.67 58.98 18.6 81.7
Unknown 2 278.1 21.9 62.80 62.84 100.0 100.0
No Income Verifier 2 298.1 1.9 79.01 61.67 30.0 73.8
Full 1 298.0 2.0 65.00 65.00 0.0 100.0
------------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Number % of Weighted
of Total Total Average Weighted Weighted Average
Lien Mortgage Currant Current Current Average Average Maximum
Position Loans Balance Balance Balance Coupon Margin Rate
------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1st Lien 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
------------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
------------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Lien to Remaining Average Current Effective Cashout Owner
Position Roll Term Seasoning LTV LTV Refi Occupied
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1st Lien 2 296.9 3.1 87.08 61.84 15.1 83.0
-----------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-----------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 9 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
---------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
FICO Mortgage Current Current Current Average Average Maximum
Score Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0 6 2,644,050.00 1.25 440,675 8.355 1.759 13.286
501 - 525 1 234,303.16 0.11 234,303 8.500 2.375 12.000
526 - 550 1 612,000.00 0.29 612,000 8.125 1.500 13.125
551 - 575 5 3,075,865.00 1.45 615,173 8.177 1.892 12.886
576 - 600 6 3,907,399.64 1.84 651,233 8.384 1.762 12.868
601 - 625 11 13,782,771.72 6.51 1,252,979 8.560 1.980 12.576
626 - 650 17 7,227,570.00 3.41 425,151 8.483 1.889 13.061
651 - 675 33 17,791,817.91 8.40 539,146 8.347 1.805 12.680
676 - 700 39 32,181,776.17 15.19 825,174 8.461 1.918 12.997
701 - 725 50 37,737,573.22 17.81 754,751 8.467 1.936 13.117
726 - 750 59 36,881,500.08 17.41 625,110 8.376 1.803 12.981
751 - 775 65 39,825,423.51 18.80 612,699 8.507 1.937 13.183
776 - 800 42 12,823,983.08 6.05 305,333 8.317 1.797 12.993
801 - 825 8 3,116,400.00 1.47 389,550 8.232 1.613 12.872
---------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
---------------------------------------------------------------------------------------------------
(table continued)
---------------------------------------------------------------------------------------------------
Weighted Weighted
Average Avenge Weighted Weighted
Months Stated Weighted Average Average Percent Percent
FICO to Remaining Average Current Effective Cashout Owner
Score Roll Term Seasoning LTV LTV Refi Occupied
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0 1 298.2 1.8 76.61 66.33 0.0 94.2
501 - 525 5 281.0 19.0 69.94 70.00 100.0 100.0
526 - 550 1 300.0 0.0 80.00 80.00 100.0 100.0
551 - 575 2 297.4 2.6 89.23 57.10 90.7 88.9
576 - 600 1 298.0 2.0 99.60 44.90 0.0 100.0
601 - 625 1 293.7 6.3 84.85 62.04 53.8 86.2
626 - 650 1 297.3 2.7 82.65 67.76 5.0 91.3
651 - 675 2 294.9 5.1 88.57 63.34 8.0 48.3
676 - 700 2 294.1 5.9 81.27 64.73 40.0 77.3
701 - 725 1 298.0 2.0 97.76 61.66 1.9 97.4
726 - 750 1 297.8 2.2 84.45 59.05 6.2 86.4
751 - 775 1 298.3 1.7 85.82 60.58 0.8 82.5
776 - 800 1 298.3 1.7 83.17 63.78 22.7 72.0
801 - 825 1 298.8 1.2 86.11 70.17 1.5 100.0
---------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
---------------------------------------------------------------------------------------------------
Minimum: 516
Maximum: 812
Weighted Average: 710.5
---------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Avenge Maximum
Pledged Loan Indicator Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Pledged Assets 221 144,774,053.60 68.34 655,086 8.445 1.887 12.994
122 67,068,379.89 31.66 549,741 8.408 1.866 12.999
-------------------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-------------------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Avenge Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Pledged Loan Indicator Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Pledged Assets 1 297.3 2.7 97.68 60.59 8.0 86.8
2 295.9 4.1 64.19 64.55 30.4 74.6
-------------------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-------------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 10 of 11
<TABLE>
<CAPTION>
Group I Collateral MORGAN STANLEY DEAN WITTER Capital I 2000-1 Trust
343 records
Final Pool Balance: 211,842,433
-----------------------------------------------------------------------------------------------------
Number % of Weighted
Effective of Total Total Average Weighted Weighted Average
Loan-to-Value Mortgage Current Current Current Average Average Maximum
Ratio (%) Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
5.01 - 10.00 1 455,000.00 0.21 455,000 8.375 1.750 12.625
10.01 - 15.00 1 50,000.00 0.02 50,000 8.375 1.750 12.875
20.01 - 25.00 5 4,154,900.00 1.96 830,980 8.786 2.152 13.602
25.01 - 30.00 1 556,602.17 0.26 556,602 8.375 1.750 12.875
30.01 - 35.00 4 5,345,731.11 2.52 1,336,433 8.527 2.070 12.918
35.01 - 40.00 4 4,150,000.00 1.96 1,037,500 8.020 1.428 12.652
40.01 - 45.00 3 861,000.00 0.41 287,000 8.158 1.570 13.095
45.01 - 50.00 20 33,734,885.98 15.92 1,686,744 8.592 2.017 12.979
50.01 - 55.00 9 4,850,729.63 2.29 538,970 8.306 1.773 12.915
55.01 - 60.00 42 40,544,005.19 19.14 965,333 8.455 1.908 12.985
60.01 - 65.00 14 16,451,040.41 7.77 1,175,074 8.340 1.856 12.888
65.01 - 70.00 166 70,092,619.62 33.09 422,245 8.411 1.843 13.010
70.01 - 75.00 11 8,486,662.50 4.01 771,515 8.378 1.830 13.043
75.01 - 80.00 56 20,079,376.31 9.48 358,560 8.353 1.813 13.097
80.01 - 85.00 6 2,029,880.57 0.96 338,313 8.292 1.764 12.602
-----------------------------------------------------------------------------------------------------
Total: 343 211,842,433.49 100.00 617,616 8.434 1.881 12.996
-----------------------------------------------------------------------------------------------------
(table continued)
-----------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Effective Months Stated Weighted Average Average Percent Percent
Loan-to-Value to Remaining Average Current Effective Cashout Owner
Ratio (%) Roll Term Seasoning LTV LTV Refi Occupied
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
5.01 - 10.00 1 299.0 1.0 100.00 9.89 0.0 100.0
10.01 - 15.00 1 298.0 2.0 12.20 12.20 0.0 100.0
20.01 - 25.00 1 298.8 1.2 95.97 23.12 0.0 100.0
25.01 - 30.00 1 297.0 3.0 100.00 29.93 0.0 0.0
30.01 - 35.00 1 296.6 3.4 58.52 34.51 26.2 73.8
35.01 - 40.00 2 297.2 2.8 35.59 36.76 55.4 80.7
40.01 - 45.00 2 299.6 0.4 41.10 41.10 18.7 100.0
45.01 - 50.00 1 296.1 3.9 89.20 48.94 4.4 68.5
50.01 - 55.00 1 297.6 2.4 64.75 52.37 32.3 79.4
55.01 - 60.00 2 297.0 3.0 95.34 59.86 23.8 96.0
60.01 - 65.00 2 291.4 8.6 70.85 63.24 34.8 83.9
65.01 - 70.00 1 297.7 2.3 95.34 69.69 10.8 78.7
70.01 - 75.00 2 297.9 2.1 78.78 71.69 2.9 100.0
75.01 - 80.00 2 298.5 1.5 78.59 78.60 9.1 87.8
80.01 - 85.00 2 294.7 5.3 82.03 82.34 0.0 100.0
-----------------------------------------------------------------------------------------------------
Total: 2 296.9 3.1 87.08 61.84 15.1 83.0
-----------------------------------------------------------------------------------------------------
Minimum: 9.89
Maximum: 85.00
Weighted Average by Current Balance: 61.84
------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:45 Page 11 of 11
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
---------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Current Mortgage Mortgage Current Current Current Average Average Ma>arnum
Rates (%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
7.001- 7.250 1 186,000.00 0.21 186,000 7.250 2.000 13.250
7.501 - 7.750 2 633,500.00 0.70 316,750 7.750 2.000 13.750
7.751 - 8.000 2 1,213,990.00 1.35 606,995 7.875 2.000 13.875
8.001 - 8.250 63 15,670,482.50 17.41 248,738 8.217 2.000 14.217
8.251 - 8.500 134 39,249,288.63 43.61 292,905 8.437 2.000 14.423
8.501 - 8.750 44 14,238,365.59 15.82 323,599 8.675 2.000 14.675
8.751 - 9.000 58 15,919,210.40 17.69 274,469 8.888 2.000 14.888
9.001 - 9.250 2 2,595,000.00 2.88 1,297,500 9.125 2.000 15.125
9.251 - 9.500 1 299,500.00 0.33 299,500 9.375 2.000 15.375
---------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
(table continued)
------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Current Mortgage to Remaining Average Current Effective Cashout Owner
Rates (%) Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
7.001- 7.250 59 359.0 1.0 80.00 80.00 0.0 100.0
7.501 - 7.750 60 359.5 0.5 71.59 55.64 0.0 100.0
7.751 - 8.000 58 358.2 1.8 78.64 73.29 0.0 100.0
8.001 - 8.250 59 358.8 1.2 88.08 65.71 7.4 85.4
8.251 - 8.500 59 358.9 1.1 89.00 67.40 5.5 82.5
8.501 - 8.750 59 359.1 0.9 89.60 66.91 8.6 90.1
8.751 - 9.000 60 359.7 0.3 90.84 68.37 5.5 60.7
9.001 - 9.250 60 359.6 0.4 100.00 64.01 59.7 100.0
9.251 - 9.500 59 359.0 1.0 100.00 59.93 0.0 0.0
------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
------------------------------------------------------------------------------------------------
Minimum: 7.2500
Maximum: 9.3750
Weighted Average: 8.5243
------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 1 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
-----------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Current Mortgage Loan Mortgage Current Current Current Average Average Maximum
Principal Balance ($) Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.01 - 50,000.00 4 176,475.00 0.20 44,119 8.613 2.000 14.613
50,000.01 - 100,000.00 37 2,935,019.80 3.26 79,325 8.437 2.000 14.437
100,000.01 - 150,000.00 51 6,502,697.94 7.22 127,504 8.563 2.000 14.563
150,000.01 - 200,000.00 48 8,528,440.24 9.48 177,676 8.524 2.000 14.524
200,000.01 - 250,000.00 29 6,627,322.25 7.36 228,528 8.456 2.000 14.375
250,000.01 - 300,000.00 27 7,574,605.00 8.42 280,541 8.558 2.000 14.558
300,000.01 - 350,000.00 25 8,082,231.96 8.98 323,289 8.451 2.000 14.451
350,000.01 - 400,000.00 23 8,784,755.00 9.76 381,946 8.494 2.000 14.494
400,000.01 - 450,000.00 13 5,521,649.00 6.13 424,742 8.526 2.000 14.526
450,000.01 - 500,000.00 14 6,706,245.00 7.45 479,018 8.480 2.000 14.480
500,000.01 - 750,000.00 22 13,678,395.93 15.20 621,745 8.480 2.000 14.480
750,000.01 - 1,000,000.00 9 8,392,500.00 9.32 932,500 8.446 2.000 14.446
1,000,000.01 - 1,250,000.00 2 2,270,000.00 2.52 1,135,000 8.990 2.000 14.990
1,250,000.01 - 1,500,000.00 2 2,675,000.00 2.97 1,337,500 8.754 2.000 14.754
1,500,000.01 - 1,750,000.00 1 1,550,000.00 1.72 1,550,000 9.125 2.000 15.125
------------------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
------------------------------------------------------------------------------------------------------------
(table continued)
------------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Current Mortgage Loan to Remaining Average Current Effective Cashout Owner
Principal Balance ($) Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
0.01 - 50,000.00 59 359.3 0.7 70.72 63.37 51.0 53.3
50,000.01 - 100,000.00 59 359.1 0.9 81.44 67.81 13.1 82.1
100,000.01 - 150,000.00 59 359.2 0.8 89.33 68.51 3.7 74.8
150,000.01 - 200,000.00 59 359.1 0.9 85.63 70.59 8.0 77.1
200,000.01 - 250,000.00 59 359.1 0.9 91.48 70.93 3.4 79.1
250,000.01 - 300,000.00 59 359.2 0.8 92.97 66.24 3.9 59.5
300,000.01 - 350,000.00 59 359.0 1.0 91.66 70.95 3.8 84.0
350,000.01 - 400,000.00 59 358.9 1.1 91.29 66.68 4.6 91.7
400,000.01 - 450,000.00 59 359.3 0.7 86.78 72.19 7.9 77.3
450,000.01 - 500,000.00 59 358.8 1.2 92.50 66.32 0.0 93.2
500,000.01 - 750,000.00 59 358.9 1.1 92.95 67.26 4.1 89.8
750,000.01 - 1,000,000.00 59 358.7 1.3 79.96 58.24 21.4 77.1
1,000,000.01 - 1,250,000.00 60 359.5 0.5 100.00 64.58 0.0 100.0
1,250,000.01 - 1,500,000.00 60 360.0 0.0 74.98 59.54 0.0 48.6
1,500,000.01 - 1,750,000.00 60 360.0 0.0 100.00 60.00 100.0 100.0
-----------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-----------------------------------------------------------------------------------------------------------
Minimum: 39,975
Maximum: 1,550,000
Average: 293,177
-----------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 2 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
---------------------------------------------------------------------------------------------------
Number % of Weighted
Current of Total Total Average Weighted Weighted Average
Loan-to-Value Mortgage Current Current Current Average Average Maximum
Ratio(%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
15.01 - 20.00 1 1,000,000.00 1.11 1,000,000 8.500 2.000 14.500
25.01 - 30.00 1 600,000.00 0.67 600,000 8.500 2.000 14.500
30.01 - 35.00 1 50,000.00 0.06 50,000 8.875 2.000 14.875
35,01 - 40.00 4 524,500.00 0.58 131,125 8.030 2.000 14.030
40.01 - 45.00 1 200,000.00 0.22 200,000 8.375 2.000 14.375
45.01 - 50.00 3 2,442,500.00 2.71 814,167 8.435 2.000 14.435
50.01 - 55.00 4 528,000.00 0.59 132,000 8.595 2.000 14.595
55.01 - 60.00 4 795,400.00 0.88 198,850 8.313 2.000 14.313
60.01 - 65.00 8 1,661,085.00 1.85 207,636 8.488 2.000 14.488
65.01 - 70.00 4 1,275,000.00 1.42 318,750 8.761 2.000 14.761
70.01 - 75.00 13 3,913,170.00 4.35 301,013 8.442 2.000 14.442
75.01 - 80.00 72 16,214,631.86 18.02 225,203 8.484 2.000 14.451
80.01 - 85.00 2 464,000.00 0.52 232,000 8.487 2.000 14.487
85.01 - 90.00 6 1,836,725.00 2.04 306,121 8.418 2.000 14.418
90.01 - 95.00 9 2,991,851.76 3.32 332,428 8.475 2.000 14.475
95.01 - 100.00 173 54,872,973.50 60.97 317,185 8.558 2.000 14.558
100.01 >= 1 635,500.00 0.71 635,500 8.375 2.000 14.375
---------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
(table continued)
----------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Current Months Stated Weighted Average Average Percent Percent
Loan-to-Value to Remaining Average Current Effective Cashout Owner
Ratio(%) Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
15.01 - 20.00 60 360.0 0.0 18.18 18.18 100.0 100.0
25.01 - 30.00 58 358.0 2.0 29.06 29.06 0.0 100.0
30.01 - 35.00 60 360.0 0.0 30.30 30.30 100.0 100.0
35,01 - 40.00 59 359.1 0.9 39.46 39.46 42.8 100.0
40.01 - 45.00 60 360.0 0.0 41.24 41.24 0.0 0.0
45.01 - 50.00 59 359.2 0.8 47.78 47.78 0.0 100.0
50.01 - 55.00 60 360.0 0.0 52.72 52.72 24.2 100.0
55.01 - 60.00 59 359.4 0.6 57.56 57.56 63.6 100.0
60.01 - 65.00 59 358.8 1.2 62.67 62.69 36.4 100.0
65.01 - 70.00 60 359.8 0.2 68.28 68.28 0.0 64.7
70.01 - 75.00 59 359.2 0.8 72.29 70.53 21.8 81.3
75.01 - 80.00 59 359.1 0.9 79.37 79.39 7.7 90.6
80.01 - 85.00 59 359.5 0.5 81.91 74.90 0.0 51.7
85.01 - 90.00 59 359.0 1.0 88.67 66.86 0.0 100.0
90.01 - 95.00 59 358.8 1.2 93.30 64.18 0.0 59.9
95.01 - 100.00 59 359.0 1.0 99.86 66.23 4.3 76.7
100.01 >= 60 360.0 0.0 100.08 70.00 0.0 100.0
----------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
----------------------------------------------------------------------------------------------------
Minimum: 18.18
Maximum): 100.08
Weighted Average: 89.33
----------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
-----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Margin (%) Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1.751 - 2.000 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-----------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-----------------------------------------------------------------------------------------------------
(table continued)
-----------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Margin (%) Roll Term Seasoning LTV LTV Refi Occupied
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1.751 - 2.000 59 359.1 0.9 89.33 67.10 7.7 81.0
-----------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-----------------------------------------------------------------------------------------------------
Minimum: 2.0000
Maximum: 2.0000
Weighted Average: 2.0000
-----------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 3 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
---------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Initial Periodic Mortgage Current Current Current Average Average Maximum
Cap (%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
6.000 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighed Weighted
Months Stated Weighted Average Average Parent Percent
Initial Periodic to Remaining Average Current Effective Cashout Owner
Cap (%) Roll Term Seasoning LTV LTV Refi Occupied
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
6.000 59 359.1 0.9 89.33 67.10 7.7 81.0
--------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
--------------------------------------------------------------------------------------------------
Minimum: 6.0000
Maximum: 6.0000
Weighted Average: 6.0000
--------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
---------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Lifetime Rate Cap Mortgage Current Current Current Average Average Maximum
(%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
3.625 1 227,941.25 0.25 227,941 8.375 2.000 12.000
6.000 306 89,777,395.87 99.75 293,390 8.525 2.000 14.525
---------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
(table continued)
---------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Lifetime Rate Cap to Remaining Average Current Effective Cashout Owner
(%) Roll Term Seasoning LTV LTV Refi Occupied
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
3.625 58 358.0 2.0 79.98 80.00 0.0 0.0
6.000 59 359.1 0.9 89.36 67.07 7.8 81.2
---------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
---------------------------------------------------------------------------------------------------
Minimum: 3.6250
Maximum: 6.0000
Weighted Average: 5.9940
---------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 4 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
---------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Maximum Mortgage Mortgage Current Current Current Average Average Maximum
Rates (%) Loans Balance Balance Balance Coupon Margin Rate
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
11.751 - 12.000 1 227,941.25 0.25 227,941 8.375 2.000 12.000
13.001 - 13.250 1 186,000.00 0.21 186,000 7.250 2.000 13.250
13.501 - 13.750 2 633,500.00 0.70 316,750 7.750 2.000 13.750
13.751 - 14.000 2 1,213,990.00 1.35 606,995 7.875 2.000 13.875
14.001 - 14.250 63 15,670,482.50 17.41 248,738 8.217 2.000 14.217
14.251 - 14.500 133 39,021,347.38 43.35 293,394 8.437 2.000 14.437
14.501 - 14.750 44 14,238,365.59 15.82 323,599 8.675 2.000 14.675
14.751 - 15.000 58 15,919,210.40 17.69 274,469 8.888 2.000 14.888
15.001 - 15.250 2 2,595,000.00 2.88 1,297,500 9.125 2.000 15.125
15.251 - 15.500 1 299,500.00 0.33 299,500 9.375 2.000 15.375
---------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
---------------------------------------------------------------------------------------------------
(table continued)
---------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Maximum Mortgage to Remaining Average Current Effective Cashout Owner
Rates (%) Roll Term Seasoning LTV LTV Refi Occupied
---------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
11.751 - 12.000 58 358.0 2.0 79.98 80.00 0.0 0.0
13.001 - 13.250 59 359.0 1.0 80.00 80.00 0.0 100.0
13.501 - 13.750 60 359.5 0.5 71.59 55.64 0.0 100.0
13.751 - 14.000 58 358.2 1.8 78.64 73.29 0.0 100.0
14.001 - 14.250 59 358.8 1.2 88.08 65.71 7.4 85.4
14.251 - 14.500 59 358.9 1.1 89.05 67.33 5.5 83.0
14.501 - 14.750 59 359.1 0.9 89.60 66.91 8.6 90.1
14.751 - 15.000 60 359.7 0.3 90.84 68.37 5.5 60.7
15.001 - 15.250 60 359.6 0.4 100.00 64.01 59.7 100.0
15.251 - 15.500 59 359.0 1.0 100.00 59.93 0.0 0.0
---------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
---------------------------------------------------------------------------------------------------
Minimum: 12.0000
Maximum: 15.3750
Weighted Average: 14.5182
---------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Months to Next Rate Mortgage Current Current Current Average Average Maximum
Adjustment Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
58 85 27,380,252.49 30.42 322,121 8.412 2.000 14.393
59 114 30,327,321.47 33.70 266,029 8.505 2.000 14.505
60 108 32,297,763.16 35.88 299,053 8.638 2.000 14.638
----------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
----------------------------------------------------------------------------------------------------
(table continued)
------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Months to Next Rate to Remaining Average Current Effective Cashout Owner
Adjustment Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
58 58 358.0 2.0 90.89 66.26 4.9 84.7
59 59 359.0 1.0 90.64 68.58 3.9 82.3
60 60 360.0 0.0 86.78 66.42 13.7 76.7
------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
Minimum: 58
Maximum: 60
Weighted Average: 59.1
------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 5 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
----------------------------------------------------------------------------------------------------
Number % of Weighted
Geographic of Total Total Average Weighted Weighted Average
Distribution Mortgage Current Current Current Average Average Maximum
by Balance Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
California 75 31,413,392.32 34.90 418,845 8.540 2.000 14.540
Florida 44 9,559,925.03 10.62 217,271 8.457 2.000 14.457
New Jersey 16 5,694,200.00 6.33 355,888 8.627 2.000 14.627
Illinois 19 5,177,736.00 5.75 272,512 8.438 2.000 14.438
New York 11 4,771,470.00 5.30 433,770 8.576 2.000 14.576
Texas 16 4,177,351.50 4.64 261,084 8.549 2.000 14.549
Massachusetts 7 3,159,000.00 3.51 451,286 8.530 2.000 14.530
Arizona 13 2,769,951.00 3.08 213,073 8.556 2.000 14.556
Washington 9 2,419,860.31 2.69 268,873 8.485 2.000 14.485
Virginia 6 1,938,367.00 2.15 323,061 8.492 2.000 14.492
Georgia 6 1,862,400.00 2.07 310,400 8.359 2.000 14.359
Colorado 5 1,383,163.69 1.54 276,633 8.357 2.000 14.357
Tennessee 8 1,326,340.00 1.47 165,793 8.571 2.000 14.571
Kentucky 2 1,121,500.00 1.25 560,750 8.397 2.000 14.397
Hawaii 3 973,000.00 1.08 324,333 8.521 2.000 14.521
Michigan 5 894,151.76 0.99 178,830 8.834 2.000 14.834
North Carolina 2 813,290.00 0.90 406,645 8.500 2.000 14.500
Maryland 3 807,000.00 0.90 269,000 8.578 2.000 14.578
Connecticut 4 746,900.00 0.83 186,725 8.555 2.000 14.555
Oregon 3 704,500.00 0.78 234,833 8.474 2.000 14.474
Indiana 3 692,190.00 0.77 230,730 8.468 2.000 14.468
Pennsylvania 6 690,275.00 0.77 115,046 8.611 2.000 14.611
Minnesota 4 682,400.00 0.76 170,600 8.470 2.000 14.470
New Mexico 4 682,000.00 0.76 170,500 8.980 2.000 14.980
Idaho 3 598,010.00 0.66 199,337 8.250 2.000 14.250
Missouri 2 569,000.00 0.63 284,500 8.281 2.000 14.281
Louisiana 2 430,000.00 0.48 215,000 8.637 2.000 14.637
Wisconsin 2 429,986.46 0.48 214,993 8.602 2.000 14.602
Ohio 3 384,098.54 0.43 128,033 8.793 2.000 14.793
Mississippi 2 345,425.21 0.38 172,713 8.417 2.000 14.417
Delaware 2 340,400.00 0.38 170,200 8.695 2.000 14.695
Nevada 2 316,900.00 0.35 158,450 8.657 2.000 14.657
Vermont 2 293,941.25 0.33 146,971 8.375 2.000 12.533
Oklahoma 2 278,900.00 0.31 139,450 8.375 2.000 14.375
Maine 2 276,000.00 0.31 138,000 8.428 2.000 14.428
South Carolina 1 275,000.00 0.31 275,000 8.125 2.000 14.125
District of Columbia 1 235,000.00 0.26 235,000 8.125 2.000 14.125
Kansas 2 204,312.05 0.23 102,156 8.581 2.000 14.581
Nebraska 1 173,000.00 0.19 173,000 8.875 2.000 14.875
Alabama 1 152,000.00 0.17 152,000 8.875 2.000 14.875
---------------------------------------------------------------------------------------------------
Continued...
---------------------------------------------------------------------------------------------------
(table continued)
----------------------------------------------------------------------------------------------------
Average Average Weighted Weighted Weighted
Geographic Months Stated Weighted Average Average Percent Percent
Distribution to Remaining Average Current Effective Cashout Owner
by Balance Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
California 59 359.1 0.9 90.66 65.81 15.2 75.5
Florida 59 358.7 1.3 87.50 71.13 4.7 91.3
New Jersey 59 359.0 1.0 83.43 62.99 2.2 71.2
Illinois 59 359.1 0.9 92.08 71.54 8.2 95.0
New York 59 359.2 0.8 65.16 59.70 0.0 89.3
Texas 59 359.5 0.5 96.13 68.90 0.0 84.8
Massachusetts 59 359.0 1.0 95.34 68.55 0.0 92.0
Arizona 59 359.0 1.0 98.89 69.14 5.6 59.8
Washington 58 358.4 1.6 94.04 60.58 0.0 95.0
Virginia 59 358.9 1.1 88.08 73.87 0.0 91.1
Georgia 59 359.1 0.9 87.84 72.70 30.1 84.8
Colorado 59 359.0 1.0 91.21 64.17 0.0 100.0
Tennessee 59 359.3 0.7 95.82 71.01 0.0 82.6
Kentucky 59 359.2 0.8 100.00 61.75 0.0 100.0
Hawaii 59 359.2 0.8 85.86 77.02 0.0 46.0
Michigan 59 359.4 0.6 80.61 65.49 0.0 77.6
North Carolina 58 358.4 1.6 95.37 71.93 0.0 100.0
Maryland 59 359.5 0.5 85.41 70.06 0.0 100.0
Connecticut 59 359.2 0.8 89.76 72.62 0.0 100.0
Oregon 60 359.7 0.3 100.00 66.64 0.0 41.7
Indiana 59 358.5 1.5 98.54 70.51 0.0 100.0
Pennsylvania 60 359.6 0.4 95.11 71.21 5.8 76.1
Minnesota 59 359.4 0.6 70.82 55.88 0.0 34.1
New Mexico 59 359.4 0.6 89.66 64.30 10.3 56.1
Idaho 59 359.2 0.8 100.00 60.54 0.0 26.1
Missouri 59 359.1 0.9 96.13 70.00 0.0 100.0
Louisiana 60 360.0 0.0 100.00 70.00 0.0 30.2
Wisconsin 59 359.0 1.0 73.73 73.73 39.5 100.0
Ohio 60 359.6 0.4 82.73 63.53 14.3 100.0
Mississippi 59 359.3 0.7 99.98 69.90 0.0 100.0
Delaware 59 359.0 1.0 80.00 80.00 0.0 100.0
Nevada 59 359.1 0.9 91.29 60.05 0.0 100.0
Vermont 58 358.2 1.8 84.48 77.69 0.0 22.5
Oklahoma 58 358.2 1.8 83.05 78.39 0.0 84.8
Maine 58 358.3 1.7 82.61 61.23 29.0 100.0
South Carolina 59 359.0 1.0 100.00 49.82 0.0 0.0
District of Columbia 58 358.0 2.0 100.00 69.79 0.0 100.0
Kansas 59 359.0 1.0 95.69 71.71 0.0 100.0
Nebraska 59 359.0 1.0 100.00 69.94 0.0 100.0
Alabama 60 360.0 0.0 100.00 69.74 0.0 100.0
----------------------------------------------------------------------------------------------------
Continued...
----------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 6 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
-------------------------------------------------------------------------------------------------
...continued
-------------------------------------------------------------------------------------------------
Number % of Weighted
Geographic of Total Total Average Weighted Weighted Average
Distribution Mortgage Current Current Current Average Average Maximum
by Balance Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Montana 1 101,000.00 0.11 101,000 8.375 2.000 14.375
Rhode Island 1 92,000.00 0.10 92,000 8.500 2.000 14.500
Arkansas 1 50,000.00 0.06 50,000 8.875 2.000 14.875
-------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-------------------------------------------------------------------------------------------------
Number of States Represented: 44
-------------------------------------------------------------------------------------------------
(table continued)
------------------------------------------------------------------------------------------------------
...continued
------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Geographic Months Stated Weighted Average Average Percent Percent
Distribution to Remaining Average Current Effective Cashout Owner
by Balance Roll Term Seasoning LTV LTV Refi Occupied
------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Montana 59 359.0 1.0 100.00 69.31 0.0 100.0
Rhode Island 60 360.0 0.0 100.00 69.57 0.0 100.0
Arkansas 60 360.0 0.0 30.30 30.30 100.0 100.0
------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
------------------------------------------------------------------------------------------------------
Number of States Represented: 44
------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Property Type Loans Balance Balance Balance Coupon Margin Rate
--------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Single Family Residence 180 56,860,557.13 63.17 315,892 8.518 2.000 14.508
PUD 58 17,264,334.45 19.18 297,661 8.535 2.000 14.535
Condo 56 11,951,382.71 13.28 213,418 8.511 2.000 14.511
2-4 Family 8 3,180,526.83 3.53 397,566 8.571 2.000 14.571
Townhouse 5 748,536.00 0.83 149,707 8.783 2.000 14.783
--------------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
--------------------------------------------------------------------------------------------------------
(table continued)
----------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Property Type Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Single Family Residence 59 359.1 0.9 87.02 66.43 10.1 83.0
PUD 59 358.8 1.2 92.69 68.68 6.1 81.8
Condo 59 359.1 0.9 93.78 68.98 1.4 68.6
2-4 Family 59 359.0 1.0 94.61 63.60 0.0 83.7
Townhouse 60 359.7 0.3 94.03 66.18 0.0 100.0
-----------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-----------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Occupancy Loans Balance Balance Balance Coupon Margin Rate
------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Primary 243 72,911,000.83 81.01 300,045 8.504 2.000 14.504
Second Home 57 15,259,404.25 16.95 267,709 8.629 2.000 14.594
Investment 7 1,834,932.04 2.04 262,133 8.471 2.000 14.471
------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Occupancy Roll Term Seasoning LTV LTV Refi Occupied
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Primary 59 359.0 1.0 88.12 67.06 9.1 100.0
Second Home 59 359.3 0.7 95.44 68.95 1.9 0.0
Investment 59 358.7 1.3 86.79 53.51 2.2 0.0
--------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
--------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 7 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Purpose Loans Balance Balance Balance Coupon Margin Rate
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Purchase 283 82,539,535.20 91.71 291,659 8.515 2.000 14.508
Refinance - Cashout 22 6,963,607.96 7.74 316,528 8.661 2.000 14.661
Refinance - Rate Term 2 502,193.96 0.56 251,097 8.194 2.000 14.194
----------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
----------------------------------------------------------------------------------------------------
(table continued)
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Purpose Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Purchase 59 359.0 1.0 90.91 67.71 0.0 79.7
Refinance - Cashout 59 359.4 0.6 71.38 59.03 100.0 95.2
Refinance - Rate Term 59 359.0 1.0 79.78 80.00 0.0 100.0
-------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Mortgage Current Current Current Average Average Maximum
Documentation Level Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Lite 155 48,074,476.06 53.41 310,158 8.520 2.000 14.520
Alternative 145 40,400,121.06 44.89 278,622 8.517 2.000 14.503
No Income Verifier 2 664,500.00 0.74 332,250 9.032 2.000 15.032
Unknown 2 463,000.00 0.51 231,500 8.745 2.000 14.745
Full 3 403,240.00 0.45 134,413 8.679 2.000 14.679
-------------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-------------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Documentation Level Roll Term Seasoning LTV LTV Refi Occupied
--------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Lite 59 359.0 1.0 89.57 65.60 11.2 76.0
Alternative 59 359.1 0.9 88.77 68.91 4.0 87.3
No Income Verifier 59 359.0 1.0 100.00 59.97 0.0 54.9
Unknown 59 358.7 1.3 91.77 72.12 0.0 100.0
Full 60 359.7 0.3 97.49 68.23 0.0 73.2
--------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
--------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
Lien Mortgage Current Current Current Average Average Maximum
Position Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1st Lien 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-------------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-------------------------------------------------------------------------------------------------------
(table continued)
-------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
Lien to Remaining Average Current Effective Cashout Owner
Position Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
1st Lien 59 359.1 0.9 89.33 67.10 7.7 81.0
-------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 8 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
-----------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighted Average
FICO Mortgage Current Current Current Average Average Maximum
Score Loans Balance Balance Balance Coupon Margin Rate
-----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0 4 841,500.00 0.93 210,375 8.501 2.000 14.501
526 - 550 2 760,000.00 0.84 380,000 8.641 2.000 14.641
551 - 575 1 248,000.00 0.28 248,000 8.375 2.000 14.375
576 - 600 8 1,890,320.00 2.10 236,290 8.514 2.000 14.514
601 - 625 16 5,164,881.04 5.74 322,805 8.650 2.000 14.650
626 - 650 33 12,117,157.99 13.46 367,187 8.528 2.000 14.528
651 - 675 33 8,656,010.25 9.62 262,303 8.470 2.000 14.470
676 - 700 29 7,247,382.29 8.05 249,910 8.582 2.000 14.582
701 - 725 33 9,800,684.92 10.89 296,990 8.506 2.000 14.506
726 - 750 47 16,948,049.32 18.83 360,597 8.517 2.000 14.485
751 - 775 50 13,438,588.31 14.93 268,772 8.531 2.000 14.531
776 - 800 43 11,780,463.00 13.09 273,964 8.520 2.000 14.520
801 - 825 8 1,112,300.00 1.24 139,038 8.175 2.000 14.175
-----------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-----------------------------------------------------------------------------------------------------
(table continued)
----------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
FICO to Remaining Average Current Effective Cashout Owner
Score Roll Term Seasoning LTV LTV Refi Occupied
----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0 59 358.9 1.1 91.53 62.54 0.0 66.7
526 - 550 60 360.0 0.0 95.41 30.30 6.6 100.0
551 - 575 58 358.0 2.0 80.00 80.00 0.0 100.0
576 - 600 59 359.3 0.7 86.37 64.01 0.0 81.0
601 - 625 59 359.2 0.8 90.38 64.90 8.4 50.4
626 - 650 59 358.9 1.1 86.14 62.77 0.7 92.7
651 - 675 59 358.8 1.2 91.15 68.34 14.2 91.2
676 - 700 59 359.2 0.8 92.00 68.64 2.2 79.3
701 - 725 59 359.1 0.9 87.98 69.91 7.8 80.2
726 - 750 59 359.1 0.9 88.15 65.61 16.6 89.1
751 - 775 59 358.8 1.2 89.50 68.87 7.2 73.8
776 - 800 59 359.4 0.6 91.74 68.70 3.9 73.3
801 - 825 59 358.6 1.4 91.61 72.01 0.0 72.3
---------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
---------------------------------------------------------------------------------------------------
Minimum: 532
Maximum: 811
Weighted Average by Current Balance: 709.0
---------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
-------------------------------------------------------------------------------------------------------
Number % of Weighted
of Total Total Average Weighted Weighty Average
Mortgage Current Current Current Average Average Maximum
Pledged Loan Indicator Loans Balance Balance Balance Coupon Margin Rate
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Pledged Assets 192 61,177,050.26 67.97 318,630 8.547 2.000 14.547
Non Pledged Assets 115 28,828,286.86 32.03 250,681 8.476 2.000 14.457
-------------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
-------------------------------------------------------------------------------------------------------
(table continued)
-------------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Months Stated Weighted Average Average Percent Percent
to Remaining Average Current Effective Cashout Owner
Pledged Loan Indicator Roll Term Seasoning LTV LTV Refi Occupied
-------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Pledged Assets 59 359.0 1.0 98.87 66.15 3.8 76.8
Non Pledged Assets 59 359.2 0.8 69.10 69.11 16.0 90.0
-------------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
-------------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 9 of 10
<TABLE>
<CAPTION>
Group II Collateral MORGAN STANLEY DEAN WITTER CAPITAL I 2000-1 Trust
307 records
Final Pool Balance: 90,005,337
--------------------------------------------------------------------------------------------------
Number % of Weighted
Effective of Total Total Average Weighted Weighted Average
Loan-to-Value Mortgage Current Current Current Average Average Maximum
Ratio (%) Loans Balance Balance Balance Coupon Margin Rate
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0.00 1 710,000.00 0.79 710,000 8.625 2.000 14.625
15.01 - 20.00 1 1,000,000.00 1.11 1,000,000 8.500 2.000 14.500
20.01 - 25.00 2 562,770.00 0.63 281,385 8.296 2.000 14.296
25.01 - 30.00 2 738,010.00 0.82 369,005 8.453 2.000 14.453
30.01 - 35.00 1 50,000.00 0.06 50,000 8.875 2.000 14.875
35.01 - 40.00 5 824,500.00 0.92 164,900 8.155 2.000 14.155
40.01 - 45.00 3 778,900.00 0.87 259,633 8.554 2.000 14.554
45.01 - 50.00 9 4,739,957.04 5.27 526,662 8.398 2.000 14.398
50.01 - 55.00 6 978,000.00 1.09 163,000 8.596 2.000 14.596
55.01 - 60.00 29 12,013,427.69 13.35 414,256 8.676 2.000 14.676
60.01 - 65.00 10 2,410,810.00 2.68 241,081 8.526 2.000 14.526
65.01 - 70.00 154 45,447,160.53 50.49 295,111 8.526 2.000 14.526
70.01 - 75.00 11 3,313,170.00 3.68 301,197 8.401 2.000 14.401
75.01 - 80.00 72 16,214,631.86 18.02 225,203 8.484 2.000 14.451
80.01 - 85.00 1 224,000.00 0.25 224,000 8.875 2.000 14.875
--------------------------------------------------------------------------------------------------
Total: 307 90,005,337.12 100.00 293,177 8.524 2.000 14.518
--------------------------------------------------------------------------------------------------
(table continued)
--------------------------------------------------------------------------------------------------
Weighted Weighted
Average Average Weighted Weighted
Effective Months Stated Weighted Average Average Percent Percent
Loan-to-Value to Remaining Average Current Effective Cashout Owner
Ratio (%) Roll Term Seasoning LTV LTV Refi Occupied
--------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
<= 0.00 60 360.0 0.0 100.00 0.00 0.0 100.0
15.01 - 20.00 60 360.0 0.0 18.18 18.18 100.0 100.0
20.01 - 25.00 58 358.0 2.0 100.00 22.35 0.0 100.0
25.01 - 30.00 58 358.4 1.6 42.33 29.18 0.0 81.3
30.01 - 35.00 60 360.0 0.0 30.30 30.30 100.0 100.0
35.01 - 40.00 59 359.1 0.9 60.32 39.66 27.2 100.0
40.01 - 45.00 59 359.0 1.0 81.89 43.93 0.0 74.3
45.01 - 50.00 59 358.8 1.2 72.42 48.82 0.0 80.4
50.01 - 55.00 60 359.7 0.3 65.96 53.64 13.1 54.0
55.01 - 60.00 59 359.2 0.8 96.74 59.73 17.1 79.3
60.01 - 65.00 59 358.8 1.2 68.52 62.95 25.1 100.0
65.01 - 70.00 59 359.0 1.0 98.34 69.82 1.8 76.5
70.01 - 75.00 59 359.3 0.7 72.29 72.30 25.8 85.4
75.01 - 80.00 59 359.1 0.9 79.37 79.39 7.7 90.6
80.01 - 85.00 60 360.0 0.0 80.29 80.29 0.0 0.0
--------------------------------------------------------------------------------------------------
Total: 59 359.1 0.9 89.33 67.10 7.7 81.0
--------------------------------------------------------------------------------------------------
Minimum: 18.18
Maximum: 80.29
Weighted Average by Current Balance: 66.57
-------------------------------------------------------------------------------------------------
</TABLE>
Jul 19, 2000 22:40 Page 10 of 10
<TABLE>
<CAPTION>
Morgan Stanley Dean Witter Capital I Series 2000-1 Class A-I
Yield Tables for Comp Materials - 7/19/2000 kwl
Tranche A-I (To MAT)
Scen PP0M100 Scen PP10M100 Scen PP15M100 Scen PP20M100 Scen PP25M100 Scen PP30M100 Scen PP40M100
Price / DM
<S> <C> <C> <C> <C> <C> <C> <C>
99/24 32.45 35.02 36.73 38.50 40.41 42.37 46.49
99/24+ 32.30 34.73 36.35 38.03 39.84 41.69 45.57
99/25 32.15 34.44 35.97 37.56 39.26 41.01 44.64
99/25+ 32.00 34.15 35.60 37.09 38.69 40.33 43.71
99/26 31.85 33.86 35.22 36.62 38.12 39.65 42.78
99/26+ 31.69 33.57 34.85 36.15 37.55 38.97 41.85
99/27 31.54 33.28 34.47 35.68 36.98 38.29 40.93
99/27+ 31.39 32.99 34.10 35.21 36.41 37.61 40.00
99/28 31.24 32.70 33.72 34.74 35.84 36.93 39.07
99/28+ 31.08 32.41 33.35 34.28 35.27 36.25 38.15
99/29 30.93 32.12 32.97 33.81 34.70 35.57 37.22
99/29+ 30.78 31.83 32.60 33.34 34.13 34.89 36.30
99/30 30.63 31.54 32.22 32.87 33.56 34.21 35.37
99/30+ 30.48 31.25 31.85 32.40 32.99 33.53 34.45
99/31 30.32 30.96 31.47 31.94 32.42 32.85 33.52
99/31+ 30.17 30.67 31.10 31.47 31.85 32.17 32.60
100/00 30.02 30.38 30.72 31.00 31.29 31.50 31.67
100/00+ 29.87 30.09 30.35 30.53 30.72 30.82 30.75
100/01 29.72 29.80 29.98 30.07 30.15 30.14 29.83
100/01+ 29.57 29.51 29.60 29.60 29.58 29.46 28.90
100/02 29.41 29.22 29.23 29.13 29.01 28.79 27.98
100/02+ 29.26 28.93 28.86 28.66 28.44 28.11 27.06
100/03 29.11 28.64 28.48 28.20 27.88 27.43 26.13
100/03+ 28.96 28.35 28.11 27.73 27.31 26.75 25.21
100/04 28.81 28.06 27.73 27.27 26.74 26.08 24.29
100/04+ 28.66 27.77 27.36 26.80 26.17 25.40 23.37
100/05 28.50 27.48 26.99 26.33 25.61 24.72 22.45
100/05+ 28.35 27.19 26.62 25.87 25.04 24.05 21.53
100/06 28.20 26.90 26.24 25.40 24.47 23.37 20.61
100/06+ 28.05 26.62 25.87 24.94 23.91 22.70 19.69
100/07 27.90 26.33 25.50 24.47 23.34 22.02 18.77
100/07+ 27.75 26.04 25.12 24.00 22.77 21.35 17.85
100/08 27.60 25.75 24.75 23.54 22.21 20.67 16.93
Average Life 18.64 7.86 5.61 4.22 3.31 2.68 1.88
First Prin 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00
Last Prin 05/15/25 07/15/24 10/15/22 09/15/19 07/15/16 11/15/13 02/15/10
Payment Window 298 288 267 230 192 160 115
</TABLE>
<TABLE>
<CAPTION>
Morgan Stanley Dean Witter Capital I Series 2000-1 Class A-I
Yield Tables for Comp Materials - 7/19/2000 kwl
Tranche A-I (To CALL)
Scen PP0C100 Scen PP10C100 Scen PP15C100 Scen PP20C100 Scen PP25C100 Scen PP30C100 Scen PP40C100
Price / DM
<S> <C> <C> <C> <C> <C> <C> <C>
99/24 32.44 34.71 36.15 37.76 39.53 41.45 45.70
99/24+ 32.28 34.41 35.77 37.27 38.94 40.74 44.72
99/25 32.13 34.12 35.38 36.79 38.34 40.02 43.73
99/25+ 31.98 33.82 35.00 36.30 37.74 39.30 42.75
99/26 31.83 33.53 34.61 35.82 37.15 38.59 41.77
99/26+ 31.67 33.23 34.23 35.33 36.55 37.87 40.79
99/27 31.52 32.94 33.84 34.85 35.95 37.15 39.80
99/27+ 31.37 32.65 33.46 34.36 35.36 36.44 38.82
99/28 31.22 32.35 33.07 33.88 34.76 35.72 37.84
99/28+ 31.06 32.06 32.69 33.39 34.17 35.00 36.86
99/29 30.91 31.76 32.30 32.91 33.57 34.29 35.88
99/29+ 30.76 31.47 31.92 32.42 32.97 33.57 34.90
99/30 30.61 31.17 31.54 31.94 32.38 32.86 33.92
99/30+ 30.46 30.88 31.15 31.45 31.78 32.14 32.94
99/31 30.30 30.59 30.77 30.97 31.19 31.43 31.96
99/31+ 30.15 30.29 30.38 30.48 30.59 30.71 30.98
100/00 30.00 30.00 30.00 30.00 30.00 30.00 30.00
100/00+ 29.85 29.71 29.62 29.52 29.41 29.29 29.02
100/01 29.70 29.41 29.23 29.03 28.81 28.57 28.04
100/01+ 29.54 29.12 28.85 28.55 28.22 27.86 27.06
100/02 29.39 28.83 28.47 28.07 27.62 27.14 26.09
100/02+ 29.24 28.53 28.08 27.58 27.03 26.43 25.11
100/03 29.09 28.24 27.70 27.10 26.44 25.72 24.13
100/03+ 28.94 27.95 27.32 26.62 25.84 25.01 23.15
100/04 28.79 27.65 26.93 26.13 25.25 24.29 22.18
100/04+ 28.63 27.36 26.55 25.65 24.66 23.58 21.20
100/05 28.48 27.07 26.17 25.17 24.06 22.87 20.22
100/05+ 28.33 26.78 25.79 24.69 23.47 22.16 19.25
100/06 28.18 26.48 25.40 24.20 22.88 21.44 18.27
100/06+ 28.03 26.19 25.02 23.72 22.28 20.73 17.30
100/07 27.88 25.90 24.64 23.24 21.69 20.02 16.32
100/07+ 27.72 25.61 24.26 22.76 21.10 19.31 15.34
100/08 27.57 25.31 23.87 22.28 20.51 18.60 14.37
Average Life 18.60 7.60 5.31 3.96 3.08 2.48 1.74
First Prin 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00
Last Prin 07/15/24 02/15/18 11/15/13 11/15/10 08/15/08 01/15/07 02/15/05
Payment Window 288 211 160 124 97 78 55
</TABLE>
<TABLE>
<CAPTION>
Morgan Stanley Dean Witter Capital I Series 2000-1 Class A-II
Yield Tables for Comp Materials - 7/19/2000 kwl
Tranche A-II
Scen PP0M100 Scen PP10M100 Scen PP15M100 Scen PP20M100 Scen PP25M100 Scen PP30M100 Scen PP40M100
Price / Yield
<S> <C> <C> <C> <C> <C> <C> <C>
99/24 8.03 8.02 8.02 8.01 8.01 8.00 8.00
99/24+ 8.02 8.01 8.01 8.01 8.00 8.00 7.99
99/25 8.02 8.01 8.01 8.00 7.99 7.99 7.98
99/25+ 8.01 8.00 8.00 7.99 7.99 7.98 7.97
99/26 8.01 8.00 7.99 7.99 7.98 7.97 7.96
99/26+ 8.01 7.99 7.99 7.98 7.97 7.97 7.95
99/27 8.00 7.99 7.98 7.98 7.97 7.96 7.94
99/27+ 8.00 7.99 7.98 7.97 7.96 7.95 7.93
99/28 7.99 7.98 7.97 7.96 7.95 7.94 7.91
99/28+ 7.99 7.98 7.97 7.96 7.95 7.93 7.90
99/29 7.99 7.97 7.96 7.95 7.94 7.93 7.89
99/29+ 7.98 7.97 7.96 7.94 7.93 7.92 7.88
99/30 7.98 7.96 7.95 7.94 7.92 7.91 7.87
99/30+ 7.98 7.96 7.94 7.93 7.92 7.90 7.86
99/31 7.97 7.95 7.94 7.93 7.91 7.89 7.85
99/31+ 7.97 7.95 7.93 7.92 7.90 7.89 7.84
100/00 7.96 7.94 7.93 7.91 7.90 7.88 7.83
100/00+ 7.96 7.94 7.92 7.91 7.89 7.87 7.82
100/01 7.96 7.93 7.92 7.90 7.88 7.86 7.81
100/01+ 7.95 7.93 7.91 7.89 7.87 7.85 7.80
100/02 7.95 7.92 7.91 7.89 7.87 7.85 7.79
100/02+ 7.94 7.92 7.90 7.88 7.86 7.84 7.78
100/03 7.94 7.91 7.89 7.88 7.85 7.83 7.77
100/03+ 7.94 7.91 7.89 7.87 7.85 7.82 7.76
100/04 7.93 7.90 7.88 7.86 7.84 7.81 7.75
100/04+ 7.93 7.90 7.88 7.86 7.83 7.81 7.74
100/05 7.92 7.89 7.87 7.85 7.83 7.80 7.73
100/05+ 7.92 7.89 7.87 7.84 7.82 7.79 7.72
100/06 7.92 7.88 7.86 7.84 7.81 7.78 7.71
100/06+ 7.91 7.88 7.86 7.83 7.80 7.77 7.70
100/07 7.91 7.87 7.85 7.83 7.80 7.77 7.69
100/07+ 7.91 7.87 7.84 7.82 7.79 7.76 7.68
100/08 7.90 7.86 7.84 7.81 7.78 7.75 7.67
Average Life 5.05 3.90 3.42 3.01 2.64 2.32 1.79
First Prin 06/15/05 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00 08/15/00
Last Prin 08/15/05 08/15/05 08/15/05 08/15/05 08/15/05 08/15/05 08/15/05
Payment Window 3 61 61 61 61 61 61
</TABLE>
