BEAR STEARNS COMMERCIAL MORTGAGE SECURITIES INC
8-K/A, 1999-01-14
ASSET-BACKED SECURITIES
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<PAGE>

                                   FORM 8-K/A

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                      SECURITIES AND EXCHANGE ACT OF 1934


Date of Report: January 14, 1999
- --------------------------------
(Date of earliest event reported)


                BEAR STEARNS COMMERCIAL MORTGAGE SECURITIES INC.
         --------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


          DELAWARE                    333-61783                   3411414
(State or Other Jurisdiction    (Commission File Number)     (I.R.S. Employer 
     of Incorporation)                                      Identification No.)


                      245 Park Avenue, New York, NY 10167
                      -----------------------------------
                    (Address of principal executive offices)


       Registrant's telephone number, including area code: (212) 272-2000

ITEM 5. OTHER EVENTS

         Attached as Exhibit 99.1 to this Current Report are certain amended
materials (Collateral and Structural Term Sheets and Computational Materials)
furnished to the Registrant by Bear, Stearns & Co. Inc. (the "Underwriter") in
connection with the Registrant's proposed offering of certain classes of its
Commercial Mortgage Pass-Through Certificates, Series 1999-C1 (the
"Certificates"). The Certificates will be offered pursuant to a Prospectus and
related Prospectus Supplement (together, the "Prospectus") which will be filed
with the Commission pursuant to Rule 424 under the Securities Act of 1933, as
amended (the "Act"). The offering of the Certificates will be registered
pursuant to the Act under the Registrant's Registration Statement on Form S-3
(No. 333-61783) (the "Registration Statement"). These amended Collateral and
Structural Term Sheets and Computational Materials will be incorporated by
reference in the Registration Statement and amend and supersede in their
entirety the Collateral and Structural Term Sheets and Computational Materials
filed on Form 8-K and dated January 13, 1999.

         The amended Collateral and Structural Term Sheets and Computational
Materials were prepared solely by the Underwriter, and the Registrant did not
prepare or participate in the preparation thereof.

         Any statement or information contained in the amended Collateral and
Structural Term Sheets or Computational Materials may be modified or superseded
by subsequent similar materials or, for purposes of the Prospectus and the
Registration Statement by statements or information contained in the
Prospectus.

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

(a) Not applicable.

(b) Not applicable.

(c) Exhibits

Exhibit 99.1  Amended Term Sheets.

<PAGE>

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on behalf of the
Registrant by the undersigned thereunto duly authorized.

                                       BEAR STEARNS COMMERCIAL MORTGAGE
                                         SECURITIES INC.


                                       By: /s/ James G. Reichek
                                          ----------------------------------
                                           Name:  James G. Reichek
                                           Title: Executive Vice President

Date: January 14, 1999

                                       2
<PAGE>

                                 EXHIBIT INDEX

Item 601(a) of Regulation S-K

Exhibit No.                       Description                              Page
- -----------                       -----------                              ----

   99.1       Collateral and Structural Term Sheets and Computational
              Materials












                                       3


<PAGE>

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

                   STRUCTURAL AND COLLATERAL TERM SHEETS AND
                            COMPUTATIONAL MATERIALS
          BEAR STEARNS COMMERCIAL MORTGAGE SECURITIES INC. (DEPOSITOR)
         Commercial Mortgage Pass-Through Certificates, Series 1999-C1

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

                                     Legend

         Prospective investors are advised to read carefully, and should rely
solely on, the information contained in the final prospectus supplement to the
prospectus dated August 18, 1998 relating to certain classes of certificates
referred to above (the "Certificates") in making their investment decision.

         The information contained in this Exhibit 99.1 should be reviewed only
in conjunction with a careful review of such prospectus supplement and
prospectus. Such information does not include any information relating to the
structure of the Certificates and does not include all relevant information
relating to the underlying Mortgage Loans. Particular attention should be paid
to the risks and special considerations associated with an investment in the
Certificates described in such prospectus supplement and prospectus. The
information contained in this Exhibit 99.1 should not be viewed as projections,
forecasts, predictions or opinions with respect to value.

         Any information contained in this Exhibit 99.1 is subject to
completion or amendment. Furthermore, any information contained in this Exhibit
99.1 will be more fully described in the final prospectus supplement and
prospectus, and such information contained herein will be fully superseded
thereby. Prior to making any investment decision, a prospective investor should
receive and carefully review such prospectus supplement and prospectus.

NOTHING IN THIS EXHIBIT 99.1 SHOULD BE CONSIDERED AN OFFER TO SELL OR A
SOLICITATION OF AN OFFER TO BUY THE CERTIFICATES.

<PAGE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                                                                                          
Loan#  Property ID   Loan Name                                Property Name              Original Balance  Cut-off Balance
- -----  -----------   ---------                                -------------              ----------------  ---------------
<S>      <C>      <C>                                   <C>                               <C>              <C>            
11969              Founders Plaza & Tower 14                                               20,900,000.00    20,833,834.70 
11969     A                                              Founders Plaza
11969     B                                              Tower 14
16464     A        Stonecrest                            Stonecrest                        18,000,000.00    17,947,054.90 
 9691     A        Clemens Place Apartments              Clemens Place Apartments          14,100,000.00    14,100,000.00 
16462     A        South Bay Marketplace                 South Bay Marketplace             11,600,000.00    11,567,888.28 
 8484     A        Eden Center                           Eden Center                       11,000,000.00    10,838,384.65 
16363     A        Clarendon Apartments                  Claredon Apartments               10,500,000.00    10,467,141.83 
17918     A        Best Western Seven Seas               Best Western Seven Seas            9,500,000.00     9,500,000.00 
 8747     A        Hamilton Station Apartments           Hamilton Station Apartments        9,500,000.00     9,466,781.34 
 9529     A        Washington  Commons                   Washington  Commons                9,400,000.00     9,382,148.57 
17820     A        240 West 35th Street                  240 West 35th Street               8,000,000.00     7,996,604.59 
 9144     A        Regent Place Apartments               Regent Place Apartments            7,600,000.00     7,516,100.56 
 9100              Patidar Hotel Portfolio                                                  6,080,000.00     6,080,000.00 
 9100     A                                              Comfort Inn West Middlesex
 9100     B                                              Comfort Inn Elyria
 9100     C                                              Days Inn Georgetown
 9100     D                                              Holiday Inn Medina
16771     A        Central Park Mews                     Central Park Mews                  7,000,000.00     6,978,073.89 
 9586     A        Gateway West Shopping Center          Gateway West Shopping Center       6,988,763.29     6,965,929.20 
11853     A        1380 University Avenue                1380 University Avenue             6,500,000.00     6,479,346.66 
 8722     A        The Lakes Apartment Complex           The Lakes Apartment Complex        6,400,000.00     6,377,621.11 
 9412     A        Crown Theater                         Crown Theater                      6,400,000.00     6,373,242.79 
16718     A        Gateway Inn                           Gateway Inn                        6,400,000.00     6,400,000.00 
 8548     A        Hyde Park Office Condominiums         Hyde Park Office Condominiums      6,100,000.00     6,083,091.08 
11931     A        580 Broadway                          580 Broadway                       6,030,000.00     6,019,831.38 
12073     A        Stoneridge Corporate Park             Stoneridge Corporate Park          6,000,000.00     5,986,156.80 
 9291     A        Airport Thruway Plaza                 Airport Thruway Plaza              5,800,000.00     5,784,051.28 
16814     A        Timonium Crossing S.C.                Timonium Crossing S.C.             5,600,000.00     5,596,985.92 
 5193     A        Encino Medical Tower                  Encino Medical Tower               5,556,400.93     5,550,946.67 
17735     A        42 W. 48th Street                     42 W. 48th Street                  5,500,000.00     5,496,817.11 
 6073     A        155 Spring Street                     155 Spring Street                  5,489,903.38     5,478,561.51 
11472     A        Ramada Inn & Holiday Inn              Ramada Inn/Holiday Inn             5,375,000.00     5,354,937.81 
16823     A        Simi Commerce Center                  Simi Commerce Center               5,050,000.00     5,039,855.62 
11423     A        Tropicana Royale Apartments           Tropicana Royale Apartments        5,000,000.00     4,987,126.66 
11516     A        Kingsbury Square                      Kingsbury Square                   5,000,000.00     4,977,854.14 
11721     A        Strathmore/Orkney Realty Trust        Strathmore/Orkney Realty Trust     5,000,000.00     4,972,654.50 
 9056     A        Highlander Shopping Center            Highlander Shopping Center         4,700,000.00     4,679,984.89 
16561     A        Landmark West Apartments              Landmark West Apartments           4,600,000.00     4,596,973.85 
16496     A        Hancock Plaza                         Hancock Plaza                      4,505,000.00     4,501,162.50 
11839     A        Pitney Bowes                          Pitney Bowes                       4,400,000.00     4,394,971.78 
 9565     A        Washington Tower                      Washington Tower                   4,300,000.00     4,284,147.62 
 9513     A        Cohas Brook Shopping Center           Cohas Brook Shopping Center        4,300,000.00     4,275,391.78 
 8939     A        Sutter Square Galleria                Sutter Square Galleria             4,250,000.00     4,240,876.43 
17637              Highland Chateau & Seward Flats                                          4,225,000.00     4,222,597.28 
17637     A                                              Highland Chateau
17637     B                                              Seward Flats
 9709     A        Evergreen Valley Plaza                Evergreen Valley Plaza             4,240,000.00     4,220,657.19 
 9424     A        Brookwood Mobile Home Park            Brookwood Mobile Home Park         4,225,000.00     4,211,360.45 
 9556     A        Victoria Inn Apartments               Victoria Inn Apartments            4,200,000.00     4,184,392.31 
16936     A        Mobius Management Systems             Mobius Management Systems          4,200,000.00     4,176,695.99 
12147     A        Kingman Square                        Kingman Square                     4,150,000.00     4,146,242.00 
16826     A        Ventura Business Park II              Ventura Business Park II           4,150,000.00     4,141,663.53 
11506     A        Woodstream Apartments                 Woodstream Apartments              4,150,000.00     4,116,455.03 
11997     A        Kittridge Apartments                  Kittridge Apartments               4,100,000.00     4,087,766.98 
12022     A        North Village Apartments              North Village Apartments           4,000,000.00     3,991,112.42 
 6561     A        Aborn Shopping Center                 Aborn Shopping Center              4,000,000.00     3,986,631.56 
11868     A        144 East 44th Street                  144 East 44th Street               4,000,000.00     3,986,333.66 
 9491     A        Main Street Commons                   Main Street Commons                3,950,000.00     3,929,207.95 
11895              Dixon Landing & Branham Self Storage                                     3,900,000.00     3,896,488.98 
11895     A                                              Dixon Landing Center
11895     B                                              Branham Self-Storage
16830     A        Newbury Park Commerce Center          Newbury Park Commerce Center       3,900,000.00     3,892,165.73 
12074     A        325 East Main Street                  325 East Main Street               3,900,000.00     3,891,331.65 
11102     A        1509 Glen Avenue Associates           1509 Glen Avenue Associates        3,750,000.00     3,734,276.13 
11552     A        Lake Hills Shopping Center            Lake Hills Shopping Center         3,700,000.00     3,687,541.57 
 8487     A        World Gym Plaza                       World Gym Plaza                    3,500,000.00     3,494,612.54 
12075     A        123 East Main Street                  123 East Main Street               3,500,000.00     3,492,381.60 
11279     A        The Springs of Scottsdale             The Springs of Scottsdale          3,500,000.00     3,491,722.06 
17138     A        Holiday Inn Express                   Holiday Inn Express                3,460,000.00     3,457,382.85 
 6019     A        525 Broadway                          525 Broadway                       3,500,000.00     3,446,735.31 
17702     A        Camino Encinitas Plaza                Camino Encinitas Plaza             3,300,000.00     3,296,925.79 
11978     A        Timber Creek Apartments               Timber Creek Apartments            3,350,000.00     3,347,989.69 
12252     A        Narberth Hall Apartments              Narberth Hall Apartments           3,250,000.00     3,237,860.97 
 9125     A        Wyndmoor Garden Apartments            Wyndmoor Gardens                   3,145,512.24     3,138,435.59 
11207     A        Encanto Plaza                         Encanto Plaza                      3,100,000.00     3,080,120.88 
17027     A        Budwey's Plaza Shopping Center        Budwey's Plaza Shopping Center     3,025,000.00     3,022,990.88 
16820     A        Simi Business Park West               Simi Business Park West            2,975,000.00     2,969,023.86 
12178     A        The Drexel Building                   The Drexel Building                2,900,000.00     2,891,635.54 
16609     A        Simi Lock-up                          Simi Lock-up                       2,800,000.00     2,794,375.39 
11162              Pine Beil Portfolio                                                      2,750,000.00     2,731,669.14 
11162     A                                              37 Charles Street
11162     B                                              234 East 81 Street
11162     C                                              105 East 37 Street
12203              Rex Haven & Rex Terrace Apartments                                       2,700,000.00     2,698,582.43 
12203     A                                              Rex Haven Apartments
12203     B                                              Rex Terrace Apartments
11999     A        Holiday Inn Express                   Holiday Inn Express                2,650,000.00     2,645,267.70 
11116     A        Madison Plaza                         Madison Plaza                      2,650,000.00     2,633,702.98 
11411     A        People's Storage                      People's Self Storage              2,600,000.00     2,591,689.94 
16393     A        Lomas Santa Fe Center                 Lomas Santa Fe Center              2,500,000.00     2,483,822.90 
16498     A        Engine Supply Co                      Engine Supply Co                   2,475,000.00     2,465,191.42 
 9327     A        Green Countrie Apartments             Green Countrie Apartments          2,450,000.00     2,430,143.29 
 9382     A        Colonial Grand Pacific Building       Colonial Grand Pacific Building    2,385,000.00     2,383,684.49 
11687     A        Windom Gables Townhomes               Windom Gables Townhomes            2,400,000.00     2,343,498.13 
 9422     A        Houma Kmart                           Houma Kmart                        2,350,000.00     2,332,820.79 
11845     A        Midtown Mall                          Midtown Mall                       2,300,000.00     2,293,720.33 
16829     A        Ventura Business Park III             Ventura Business Park III          2,275,000.00     2,270,430.01 
12033     A        Montclair Arms Apartments             Montclair Arms Apartments          2,240,000.00     2,235,631.52 
 9280     A        The Arbor Plaza                       The Arbor Plaza                    2,200,000.00     2,192,375.45 
12253     A        Merion Court Apartments               Merion Court Apartments            2,190,000.00     2,176,629.82 
16957     A        200-204 2nd Street                    200-204 2nd Street                 2,175,000.00     2,175,000.00 
17417     A        Holiday Inn Express                   Holiday Inn Express                2,100,000.00     2,098,397.56 
17137     A        Comfort Inn - Black Mt.               Comfort Inn - Black Mt.            1,900,000.00     1,898,579.04 
17140     A        Comfort Inn - Concord                 Comfort Inn - Concord              2,000,000.00     2,000,000.00 
11647     A        3344 Castle Heights Apartments        3344 Castle Heights Apartments     2,000,000.00     1,995,211.18 
17194     A        101 Broadway                          101 Broadway                       2,000,000.00     1,994,550.49 
11260     A        1630-38 12th Street                   Radical Media                      1,945,000.00     1,938,515.04 
 9072     A        Tully Road Shopping Center            Tully Road Shopping Center         1,850,000.00     1,838,389.58 
17704     A        Holiday Inn Express                   Holiday Inn Express                1,830,000.00     1,828,277.20 
12257     A        Yellowstone Shopping Center           Yellowstone Shopping Center        1,800,000.00     1,798,796.56 
11851     A        Turnpike Shopping Center              Turnpike Shopping Center           1,800,000.00     1,793,436.42 
11098     A        Lowden Gardens                        Lowden Gardens                     1,775,000.00     1,767,185.64 
11599     A        Sandy Plaza                           Sandy Plaza                        1,675,000.00     1,671,981.15 
11265     A        Multi-Media Office                    Multi-Media Office                 1,645,000.00     1,639,515.29 
 5296     A        Comfort Inn                           Comfort Inn                        1,600,000.00     1,593,283.73 
17741     A        Silent Valley MHP                     Silent Valley MHP                  1,500,000.00     1,500,000.00 
12050     A        Hilltop Shopping Center               Hilltop Shopping Center            1,500,000.00     1,487,880.56 
11639     A        MAI Chaimson Headquarters             MAI Chaimson Headquarters          1,500,000.00     1,465,783.38 
17187     A        North La Cienega Retail Center        North La Cienega Retail Center     1,510,000.00     1,509,420.92 
11272     A        Fox Hill Park Offices                 Fox Hills Park Offices             1,400,000.00     1,395,446.43 
11384     A        Fox Hill Garden Offices               Fox Hill Garden Offices            1,400,000.00     1,395,446.43 
 9328     A        Abbey House                           Abbey House                        1,400,000.00     1,388,653.31 
16956     A        Silicon Graphics                      Silicon Graphics                   1,300,000.00     1,300,000.00 
 6129     A        Santa Fe Center                       Santa Fe Center                    1,325,000.00     1,295,673.80 
 8673              Meadow Valley & Valley Stream MHP     Meadow Valley & Valley Stream MHP  1,300,000.00     1,295,014.83 
 8673     A        Meadow Valley
 8673     B        Valley Stream
 6131     A        Southwest Industrial Center           Southwest Industrial Center        1,100,000.00     1,055,045.28 
 9436     A        3424 Simpson Ferry Road               3424 Simpson Ferry Road              740,000.00       737,992.20 

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                       Number        Gross            Interest        Administrative         Net
Loan#  Property ID    of Props    Mortgage Rate    Accrual Method           Fee         Mortgage Rate
- -----  -----------    --------    -------------    --------------           ---         -------------
<S>      <C>            <C>         <C>             <C>                 <C>              <C>
11969                    2           7.4550          Actual/360            .057%
11969     A              1
11969     B              1
16464     A              1           6.7050          Actual/360            .057%
 9691     A              1           7.6050          Actual/360            .057%
16462     A              1           6.9350          Actual/360            .057%
 8484     A              1           7.0000          Actual/360            .057%
16363     A              1           6.8125          Actual/360            .057%
17918     A              1           7.9400          Actual/360            .057%
 8747     A              1           6.0150          Actual/360            .057%
 9529     A              1           7.3500          Actual/360            .057%
17820     A              1           8.1500          Actual/360            .057%
 9144     A              1           6.9100          Actual/360            .057%
 9100                    4           7.6200          Actual/360            .057%
 9100     A              1
 9100     B              1
 9100     C              1
 9100     D              1
16771     A              1           6.4600          Actual/360            .057%
 9586     A              1           7.1900          Actual/360            .057%
11853     A              1           7.2500          Actual/360            .057%
 8722     A              1           6.0150          Actual/360            .057%
 9412     A              1           7.2500          Actual/360            .057%
16718     A              1           8.2500          Actual/360            .057%
 8548     A              1           6.9300          Actual/360            .057%
11931     A              1           7.1500          Actual/360            .057%
12073     A              1           6.6000          Actual/360            .057%
 9291     A              1           6.9600          Actual/360            .057%
16814     A              1           7.4750          Actual/360            .057%
 5193     A              1           7.9700          Actual/360            .057%
17735     A              1           7.2500          Actual/360            .057%
 6073     A              1           7.1250          Actual/360            .057%
11472     A              1           7.8000          Actual/360            .057%
16823     A              1           7.1400          Actual/360            .057%
11423     A              1           6.1500          Actual/360            .057%
11516     A              1           6.9600          Actual/360            .057%
11721     A              1           6.4000            30/360              .057%
 9056     A              1           6.9500          Actual/360            .057%
16561     A              1           6.8300          Actual/360            .057%
16496     A              1           8.1500          Actual/360            .057%
11839     A              1           7.3000          Actual/360            .057%
 9565     A              1           6.8600          Actual/360            .057%
 9513     A              1           6.9600          Actual/360            .057%
 8939     A              1           6.8850          Actual/360            .057%
17637                    2           7.3050          Actual/360            .057%
17637     A              1
17637     B              1
 9709     A              1           7.2300          Actual/360            .057%
 9424     A              1           6.3400          Actual/360            .057%
 9556     A              1           5.7600          Actual/360            .057%
16936     A              1           7.6600          Actual/360            .057%
12147     A              1           7.9850          Actual/360            .057%
16826     A              1           7.1400          Actual/360            .057%
11506     A              1           6.8200          Actual/360            .057%
11997     A              1           6.6500          Actual/360            .057%
12022     A              1           6.7500          Actual/360            .057%
 6561     A              1           6.9900          Actual/360            .057%
11868     A              1           6.8750          Actual/360            .057%
 9491     A              1           7.3800          Actual/360            .057%
11895                    2           7.6500          Actual/360            .057%
11895     A              1
11895     B              1
16830     A              1           7.1400          Actual/360            .057%
12074     A              1           6.7000          Actual/360            .057%
11102     A              1           7.0100          Actual/360            .057%
11552     A              1           6.1700          Actual/360            .057%
 8487     A              1           8.3200          Actual/360            .057%
12075     A              1           6.8000          Actual/360            .057%
11279     A              1           6.5000          Actual/360            .057%
17138     A              1           8.3750          Actual/360            .057%
 6019     A              1           6.7400          Actual/360            .057%
17702     A              1           7.5000          Actual/360            .057%
11978     A              1           7.1340          Actual/360            .057%
12252     A              1           6.4000          Actual/360            .057%
 9125     A              1           6.7606          Actual/360            .057%
11207     A              1           7.2500          Actual/360            .057%
17027     A              1           8.8750          Actual/360            .057%
16820     A              1           7.1400          Actual/360            .057%
12178     A              1           6.7800          Actual/360            .057%
16609     A              1           7.1400          Actual/360            .057%
11162                    3           7.0500          Actual/360            .057%
11162     A              1
11162     B              1
11162     C              1
12203                    2           7.5500          Actual/360            .057%
12203     A              1
12203     B              1
11999     A              1           7.7000          Actual/360            .057%
11116     A              1           6.5500          Actual/360            .057%
11411     A              1           7.2200          Actual/360            .057%
16393     A              1           6.9340          Actual/360            .055%
16498     A              1           7.7000          Actual/360            .057%
 9327     A              1           6.8060          Actual/360            .057%
 9382     A              1           7.4000          Actual/360            .057%
11687     A              1           6.4000          Actual/360            .057%
 9422     A              1           7.3350          Actual/360            .057%
11845     A              1           8.0000          Actual/360            .057%
16829     A              1           7.1400          Actual/360            .057%
12033     A              1           7.3100          Actual/360            .057%
 9280     A              1           6.8000          Actual/360            .057%
12253     A              1           6.5900          Actual/360            .057%
16957     A              1           7.1250          Actual/360            .057%
17417     A              1           8.3400          Actual/360            .057%
17137     A              1           8.4200          Actual/360            .057%
17140     A              1           8.2700          Actual/360            .057%
11647     A              1           6.4500          Actual/360            .057%
17194     A              1           7.8000          Actual/360            .057%
11260     A              1           6.2100          Actual/360            .057%
 9072     A              1           7.3600          Actual/360            .057%
17704     A              1           8.5000          Actual/360            .057%
12257     A              1           6.7750          Actual/360            .057%
11851     A              1           5.8400          Actual/360            .057%
11098     A              1           6.8200          Actual/360            .057%
11599     A              1           7.6600          Actual/360            .057%
11265     A              1           6.2100          Actual/360            .057%
 5296     A              1           7.2300          Actual/360            .057%
17741     A              1           8.6200          Actual/360            .057%
12050     A              1           8.2500          Actual/360            .057%
11639     A              1           6.9400          Actual/360            .057%
17187     A              1           8.4100          Actual/360            .057%
11272     A              1           6.3100          Actual/360            .057%
11384     A              1           6.3100          Actual/360            .057%
 9328     A              1           6.8060          Actual/360            .057%
16956     A              1           7.1250          Actual/360            .057%
 6129     A              1           6.6900          Actual/360            .057%
 8673                    1           6.7000          Actual/360            .057%
 8673     A
 8673     B
 6131     A              1           6.7050          Actual/360            .057%
 9436     A              1           8.0300          Actual/360            .057%

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                    Original   Remaining      Original        Interest        First        Maturity
Loan#  Property ID    Term       Term       Amortization    Only Months    Payment Date      Date        Annual P&I
- -----  -----------    ----       ----       ------------    -----------    ------------      ----        ----------
<S>      <C>         <C>         <C>           <C>              <C>         <C>           <C>          <C>   
11969                 120         115           360              0           10/01/98      09/01/08     1,745,908.37
11969     A         
11969     B         
16464     A           120         116           360              0           11/01/98      10/01/08     1,394,516.90
 9691     A           120         120           360              0           03/01/99      02/01/09     1,195,260.00
16462     A           120         116           360              0           11/01/98      10/01/08       920,032.46
 8484     A           240         232           240              0           07/01/98      06/01/18     1,023,394.60
16363     A           120         116           360              0           11/01/98      10/01/08       830,893.68
17918     A           120         120           240              0           03/01/99      02/01/09       949,289.16
 8747     A           180         176           360              0           11/01/98      10/01/13       684,587.38
 9529     A           120         117           360              0           12/01/98      11/01/08       777,160.55
17820     A           120         119           360              0           02/01/99      01/01/09       714,478.20
 9144     A           240         234           240              0           09/01/98      08/01/18       702,154.17
 9100                 120         120           240              0           03/01/99      02/01/09       593,125.92
 9100     A         
 9100     B         
 9100     C         
 9100     D         
16771     A           120         116           360              0           11/01/98      10/01/08       528,729.36
 9586     A           118         115           298              0           12/01/98      09/01/08       604,397.27
11853     A           120         117           300              0           12/01/98      11/01/08       563,789.35
 8722     A           180         176           360              0           11/01/98      10/01/13       461,195.71
 9412     A           120         116           300              0           11/01/98      10/01/08       555,115.67
16718     A           120         120           300              0           03/01/99      02/01/09       605,529.72
 8548     A           180         176           360              0           11/01/98      10/01/13       483,565.04
11931     A           180         179           240              0           02/01/99      01/01/14       567,539.91
12073     A           180         177           360              0           12/01/98      11/01/13       459,834.35
 9291     A           180         176           360              0           11/01/98      10/01/13       461,182.32
16814     A           120         119           360              0           02/01/99      01/01/09       468,722.28
 5193     A           113         111           353              0           01/01/99      05/01/08       490,220.31
17735     A           120         119           360              0           02/01/99      01/01/09       450,236.34
 6073     A           177         174           357              0           12/01/98      08/01/13       444,911.64
11472     A           120         116           300              0           11/01/98      10/01/08       489,306.27
16823     A           180         177           360              0           12/01/98      11/01/13       408,887.15
11423     A           120         117           360              0           12/01/98      11/01/08       365,536.90
11516     A           180         176           300              0           11/01/98      10/01/13       422,537.72
11721     A           120         116           300              0           11/01/98      10/01/08       401,383.13
 9056     A           180         174           360              0           09/01/98      08/01/13       373,338.62
16561     A           120         119           360              0           02/01/99      01/01/09       360,966.48
16496     A           120         118           360              0           01/01/99      12/01/08       402,340.54
11839     A           120         118           360              0           01/01/99      12/01/08       361,981.45
 9565     A           120         115           360              0           10/01/98      09/01/08       338,458.25
 9513     A           120         116           360              0           11/01/98      10/01/08       379,922.31
 8939     A           120         117           360              0           12/01/98      11/01/08       335,374.54
17637                 120         119           360              0           02/01/99      01/01/09       347,756.76
17637     A         
17637     B         
 9709     A           120         113           360              0           08/01/98      07/01/08       346,401.35
 9424     A           120         116           360              0           11/01/98      10/01/08       315,142.35
 9556     A           120         116           360              0           11/01/98      10/01/08       294,440.97
16936     A           180         178           180              0           01/01/99      12/01/13       471,808.44
12147     A           120         118           360              0           01/01/99      12/01/08       364,894.14
16826     A           180         177           360              0           12/01/98      11/01/13       336,016.17
11506     A           120         113           300              0           08/01/98      07/01/08       346,278.40
11997     A           120         116           360              0           11/01/98      10/01/08       315,846.72
12022     A           120         117           360              0           12/01/98      11/01/08       311,327.09
 6561     A           120         117           300              0           12/01/98      11/01/08       338,947.87
11868     A           120         117           300              0           12/01/98      11/01/08       335,436.07
 9491     A           180         175           300              0           10/01/98      09/01/13       346,590.40
11895                 120         119           300              0           02/01/99      01/01/09       350,427.24
11895     A         
11895     B         
16830     A           180         177           360              0           12/01/98      11/01/13       315,774.23
12074     A           120         118           300              0           01/01/99      12/01/08       321,870.50
11102     A           120         114           360              0           09/01/98      08/01/08       299,688.40
11552     A           120         116           360              0           11/01/98      10/01/08       271,072.48
 8487     A           120         118           300              0           01/01/99      12/01/08       333,116.03
12075     A           120         118           300              0           01/01/99      12/01/08       291,510.28
11279     A           120         117           360              0           12/01/98      11/01/08       265,468.57
17138     A           120         119           300              0           02/01/99      01/01/09       330,840.00
 6019     A           120         112           240              0           07/01/98      06/01/08       319,103.23
17702     A           120         119           300              0           02/01/99      01/01/09       292,640.51
11978     A           180         179           360              0           02/01/99      01/01/14       271,079.04
12252     A           120         117           300              0           12/01/98      11/01/08       260,899.03
 9125     A           118         115           358              0           12/01/98      09/01/08       245,509.88
11207     A           120         114           300              0           09/01/98      08/01/08       268,884.15
17027     A           120         119           300              0           02/01/99      01/01/09       301,527.12
16820     A           180         177           360              0           12/01/98      11/01/13       240,879.06
12178     A           120         116           360              0           11/01/98      10/01/08       226,406.54
16609     A           180         177           360              0           12/01/98      11/01/13       226,709.70
11162                 120         114           300              0           09/01/98      08/01/08       234,290.77
11162     A         
11162     B         
11162     C         
12203                 120         119           360              0           02/01/99      01/01/09       227,655.84
12203     A         
12203     B         
11999     A           120         118           300              0           01/01/99      12/01/08       239,151.63
11116     A           120         115           300              0           10/01/98      09/01/08       215,710.47
11411     A           120         117           300              0           12/01/98      11/01/08       224,913.06
16393     A           180         171           360              0           06/01/98      05/01/13       198,262.80
16498     A            84          81           264              0           12/01/98      11/01/05       233,771.31
 9327     A            96          89           300              0           08/01/98      07/01/06       204,168.83
 9382     A           120         119           360              0           02/01/99      01/01/09       198,159.12
11687     A           120         116           120              0           11/01/98      10/01/08       325,554.72
 9422     A           120         113           300              0           08/01/98      07/01/08       205,378.38
11845     A           120         117           300              0           12/01/98      11/01/08       213,021.28
16829     A           180         177           360              0           12/01/98      11/01/13       184,201.63
12033     A           120         118           300              0           01/01/99      12/01/08       195,330.76
 9280     A           180         177           300              0           12/01/98      11/01/13       183,235.03
12253     A           120         115           300              0           10/01/98      09/01/08       178,925.20
16957     A           120         120           360              0           03/01/99      02/01/09       175,841.76
17417     A           120         119           300              0           02/01/99      01/01/09       200,207.28
17137     A           120         119           300              0           02/01/99      01/01/09       182,364.24
17140     A           120         120           300              0           03/01/99      02/01/09       189,548.88
11647     A           120         117           360              0           12/01/98      11/01/08       150,908.01
17194     A           180         179           180              0           02/01/99      01/01/14       226,594.08
11260     A           180         176           360              0           11/01/98      10/01/13       143,101.75
 9072     A           120         114           300              0           09/01/98      08/01/08       162,039.77
17704     A           120         119           276              0           02/01/99      01/01/09       181,408.56
12257     A           120         119           360              0           02/01/99      01/01/09       140,456.28
11851     A           120         116           360              0           11/01/98      10/01/08       127,289.39
11098     A           180         174           360              0           09/01/98      08/01/13       139,143.95
11599     A           120         118           300              0           01/01/99      12/01/08       150,635.40
11265     A           180         176           360              0           11/01/98      10/01/13       121,029.50
 5296     A           120         116           300              0           11/01/98      10/01/08       138,531.62
17741     A           180         180           180              0           03/01/99      02/01/14       178,521.48
12050     A           180         177           180              0           12/01/98      11/01/13       174,625.26
11639     A           120         116           120              0           11/01/98      10/01/08       208,439.07
17187     A           120         119           360              0           02/01/99      01/01/09       138,173.04
11272     A           180         176           360              0           11/01/98      10/01/13       104,096.96
11384     A           180         176           360              0           11/01/98      10/01/13       104,096.96
 9328     A            96          89           300              0           08/01/98      07/01/06       116,667.90
16956     A           120         120           360              0           03/01/99      02/01/09       105,100.08
 6129     A           180         173           180              0           08/01/98      07/01/13       140,172.22
 8673                 120         115           360              0           10/01/98      09/01/08       100,663.36
 8673     A         
 8673     B         
 6131     A           120         113           120              0            8/1/98        7/1/08        151,263.82
 9436     A           120         117           300              0           12/1/98       11/1/08         68,713.85

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                     IO     Net Operating   Net Operating
Loan#  Property ID Payment     Income 2        Income 1       U/W NOI       U/W NCF        Lockbox     DSCR    Appraised Value
- -----  ----------- -------     --------        --------       -------       -------        -------     ----    ---------------
<S>      <C>         <C>     <C>             <C>            <C>          <C>             <C>          <C>        <C>
11969                 0                                                   2,525,500.00    Springing    1.45       30,800,000
11969     A                   2,130,378       2,158,391      2,189,763    1,858,847.00    Springing               21,500,000
11969     B                     947,434               -        927,199      666,653.00    Springing                9,300,000
16464     A           0       1,969,041       2,131,856      2,200,266    2,155,010.00                 1.55       30,000,000
 9691     A           0       1,773,127       1,899,886      1,887,477    1,741,477.00    In Place     1.46       21,000,000
16462     A           0         508,066         970,458      1,347,479    1,289,044.00    Springing    1.40       15,500,000
 8484     A           0       2,525,668               -      2,903,990    2,786,318.00                 2.72       32,000,000
16363     A           0       1,251,140       1,501,651      1,438,848    1,395,584.00                 1.68       16,800,000
17918     A           0       2,476,984       3,106,019      2,460,641    1,448,479.00                 1.53       16,900,000
 8747     A           0       1,239,006       1,185,389      1,199,243    1,128,243.00                 1.65       14,000,000
 9529     A           0               -         971,714      1,050,106    1,026,292.00                 1.32       12,400,000
17820     A           0       1,034,124       1,027,945      1,049,814    1,017,758.00                 1.42       13,800,000
 9144     A           0       1,011,610       1,277,526      1,104,690    1,058,798.00    Springing    1.51       12,900,000
 9100                 0                                                   1,292,094.00                 2.18       12,760,000
 9100     A                     387,395         497,739        432,837      342,872.00                             2,710,000
 9100     B                     523,248         569,017        461,646      362,806.00                             2,400,000
 9100     C                     356,022         329,270        299,490      239,907.00                             2,000,000
 9100     D                     453,628         468,059        436,107      346,509.00                             3,350,000
16771     A           0       1,218,219               -      1,305,943    1,281,193.00                 2.42       16,000,000
 9586     A           0               -               -        808,002      771,011.00                 1.28       10,840,000
11853     A           0         721,988         824,022        805,036      770,286.00                 1.37        9,365,000
 8722     A           0         782,285         808,661        796,260      753,260.00                 1.63        8,650,000
 9412     A           0               -               -        805,752      765,098.00                 1.38        8,550,000
16718     A           0       2,066,906       2,021,326      1,706,179    1,067,009.00                 1.76       12,000,000
 8548     A           0           6,104               -        822,098      771,932.00                 1.60        8,300,000
11931     A           0       1,469,856               -      1,543,260    1,289,912.00                 2.27       16,000,000
12073     A           0               -         953,658      1,185,804      992,082.00                 2.16       12,800,000
 9291     A           0         984,283         947,170        908,332      843,321.00                 1.83        9,750,000
16814     A           0         703,529         873,206        803,156      765,484.00                 1.63        9,600,000
 5193     A           0         876,382         305,186        780,474      709,988.00                 1.45        8,500,000
17735     A           0       1,200,110       1,270,090      1,108,471    1,017,490.00                 2.26       12,000,000
 6073     A           0         827,885         859,115        955,080      865,311.00                 1.94        9,300,000
11472     A           0       1,076,592       1,077,593      1,133,539      838,644.00                 1.71        8,700,000
16823     A           0         627,380         652,403        647,256      584,443.00                 1.43        6,750,000
11423     A           0       1,222,682       1,191,342      1,153,176    1,071,852.00                 2.93       13,300,000
11516     A           0       1,023,238       1,101,808        854,582      798,446.00                 1.89        9,300,000
11721     A           0         577,210         635,412        649,826      624,576.00                 1.56        8,100,000
 9056     A           0         320,498         403,139        711,533      690,728.00    In Place     1.85        7,500,000
16561     A           0         658,893         648,725        636,314      594,314.00                 1.65        7,100,000
16496     A           0         550,095         463,791        562,688      536,473.00    Springing    1.33        6,300,000
11839     A           0         816,350               -        869,078      750,205.00    Springing    2.07       10,000,000
 9565     A           0         683,248               -        658,521      567,713.00                 1.68        6,300,000
 9513     A           0         551,331               -        551,385      523,514.00                 1.38        6,000,000
 8939     A           0         377,190         462,770        634,783      566,649.00                 1.69        6,000,000
17637                 0                                                     516,061.00                 1.48        5,650,000
17637     A                     252,759         243,947        248,996      233,996.00                             2,350,000
17637     B                           -         317,436        312,565      282,065.00                             3,300,000
 9709     A           0         473,157         663,952        538,576      509,981.00                 1.47        6,920,000
 9424     A           0         575,474               -        557,607      538,657.00                 1.71        6,500,000
 9556     A           0         716,959         720,583        638,388      583,480.00                 1.98        5,900,000
16936     A           0               -         717,251        668,541      615,127.00                 1.30        7,100,000
12147     A           0         522,652         553,767        521,488      483,926.00                 1.33        5,675,000
16826     A           0         498,414         508,993        551,176      488,081.00                 1.45        5,600,000
11506     A           0               -         536,481        538,115      506,115.00                 1.46        5,300,000
11997     A           0               -         529,800        519,693      497,168.00                 1.57        5,240,000
12022     A           0         502,060         517,391        550,484      499,734.00                 1.61        6,000,000
 6561     A           0               -               -        654,256      619,267.00                 1.83        7,850,000
11868     A           0         498,497               -        523,996      513,677.00                 1.53        7,500,000
 9491     A           0               -         526,438        593,837      542,243.00                 1.56        5,400,000
11895                 0                                                     563,235.00                 1.61        6,460,000
11895     A                     336,550         375,846        379,096      361,235.00                             3,850,000
11895     B                     172,171         176,018        205,487      202,000.00                             2,610,000
16830     A           0         532,660         500,140        513,158      457,356.00                 1.45        5,450,000
12074     A           0               -               -        454,378      441,900.00                 1.37        4,900,000
11102     A           0         544,863         587,053        536,451      497,523.00    In Place     1.66        5,300,000
11552     A           0         664,209               -        815,647      740,816.00                 2.73        9,000,000
 8487     A           0         500,130         507,735        507,804      480,922.00                 1.44        5,100,000
12075     A           0               -               -        414,890      405,937.00                 1.39        4,375,000
11279     A           0       1,040,344       1,115,260      1,018,228      981,103.00                 3.70       10,050,000
17138     A           0         808,766         858,586        659,418      531,492.00                 1.61        5,500,000
 6019     A           0         756,621               -        572,186      525,972.00                 1.65        6,890,000
17702     A           0         513,706         577,390        486,200      446,857.00                 1.53        5,150,000
11978     A           0         351,600         492,173        581,228      504,728.00                 1.86        6,500,000
12252     A           0         395,907               -        395,951      380,451.00                 1.46        4,340,000
 9125     A           0         338,132               -        360,532      338,532.00                 1.38        4,250,000
11207     A           0         483,845         510,097        413,952      368,533.00                 1.37        4,300,000
17027     A           0         440,511         621,325        471,576      424,934.00                 1.41        5,200,000
16820     A           0         388,670         388,645        375,880      343,064.00                 1.42        4,000,000
12178     A           0         276,241         386,587        383,080      372,365.00                 1.64        4,200,000
16609     A           0         349,204         571,518        638,059      625,709.00                 2.76        6,365,000
11162                 0                                                     351,178.00                 1.50        3,830,000
11162     A                      18,807               -         34,777       32,753.00                               350,000
11162     B                     101,662               -        150,946      145,926.00                             1,380,000
11162     C                     110,751               -        174,249      172,499.00                             2,100,000
12203                 0                                                     335,188.00                 1.47        3,700,000
12203     A                     185,716         232,705        200,649      186,649.00                             2,100,000
12203     B                     191,146         172,764        158,539      148,539.00                             1,600,000
11999     A           0         626,232         489,775        618,655      430,204.00                 1.80        3,850,000
11116     A           0         479,138         570,555        595,734      554,489.00                 2.57        8,700,000
11411     A           0         372,030         408,089        365,946      357,614.00                 1.59        4,000,000
16393     A           0       1,565,310       2,511,318        309,716      295,276.00                 1.49        3,451,885
16498     A           0               -               -        380,891      321,605.00                 1.38        3,360,000
 9327     A           0         443,116         584,219        535,428      498,678.00                 2.44        4,385,000
 9382     A           0         296,762         330,713        352,328      318,241.00                 1.61        3,750,000
11687     A           0         613,165         665,630        591,994      548,819.00                 1.69        5,960,000
 9422     A           0         356,593         438,375        348,095      308,003.00                 1.50        3,400,000
11845     A           0         336,170               -        346,945      301,350.00                 1.41        3,450,000
16829     A           0         296,467         298,013        298,277      261,886.00                 1.42        3,150,000
12033     A           0               -         273,310        279,632      268,105.00                 1.37        3,100,000
 9280     A           0         303,518         336,062        278,024      256,649.00                 1.40        2,800,000
12253     A           0         244,471         269,770        271,226      258,726.00                 1.45        2,825,000
16957     A           0         427,672         404,808        384,687      357,184.00                 2.03        4,200,000
17417     A           0         141,340         501,041        444,035      358,436.00                 1.79        3,300,000
17137     A           0         447,294         498,219        368,378      286,544.00                 1.57        3,150,000
17140     A           0         472,533         466,750        420,571      328,486.00                 1.73        3,750,000
11647     A           0         265,203         247,227        251,867      243,367.00                 1.61        2,950,000
17194     A           0         308,008               -        313,818      301,408.00                 1.33        3,700,000
11260     A           0               -         415,494        388,015      367,579.00    Springing    2.57        4,100,000
 9072     A           0         354,921         399,212        317,185      302,032.00                 1.86        3,400,000
17704     A           0         473,437         433,749        431,169      332,939.00                 1.84        2,900,000
12257     A           0         469,127         471,071        434,521      393,618.00                 2.80        6,250,000
11851     A           0       1,036,879               -        891,196      807,036.00                 6.34        9,800,000
11098     A           0          42,912               -        276,975      256,919.00                 1.85        2,900,000
11599     A           0         183,563         230,532        246,137      219,427.00                 1.46        2,600,000
11265     A           0               -         281,199        292,945      280,958.00    Springing    2.32        3,000,000
 5296     A           0         413,867         506,107        419,108      315,380.00                 2.28        2,200,000
17741     A           0         278,366         309,639        261,601      252,051.00                 1.41        2,850,000
12050     A           0         264,278               -        263,898      243,675.00                 1.40        2,500,000
11639     A           0               -               -        367,317      359,317.00                 1.72        4,100,000
17187     A           0         198,844               -        208,878      190,854.00                 1.38        2,400,000
11272     A           0         242,630         324,632        226,544      188,988.00                 1.82        2,450,000
11384     A           0         344,640         414,502        281,763      236,318.00                 2.27        3,500,000
 9328     A           0         253,318         294,592        281,046      259,546.00                 2.22        2,385,000
16956     A           0         271,292         282,322        268,552      247,104.00                 2.35        3,000,000
 6129     A           0         271,386               -        334,808      271,890.00                 1.94        3,800,000
 8673                 0                                                     164,246.00                 1.63        1,700,000
 8673     A                      67,196               -         72,058       69,295.00                               717,262
 8673     B                      92,078               -         98,738       94,951.00                               982,738
 6131     A           0         307,816               -        343,819      278,262.00                 1.84        4,000,000
 9436     A           0          94,243               -        111,112      101,037.00                 1.47        1,100,000

</TABLE>

<TABLE>
<CAPTION>
                                            BSCMSI 1999-C1
                                  PRELIMINARY COLLATERAL INFORMATION
 

                                                                                              Call
                    Cut-Off   Maturity   Effective    Lockout            Call              Protection                 
Loan#  Property ID    LTV       LTV       Lockout     End Date        Protection            End Date
- -----  -----------    ---       ---       -------     --------        ----------            --------
<S>      <C>        <C>       <C>          <C>       <C>            <C>                    <C>   
11969                67.64%    59.88%       120       08/31/08        Defeasance            08/31/08
11969     A        
11969     B        
16464     A          59.82%    51.92%       120       09/30/08        Defeasance            09/30/08
 9691     A          67.14%    59.46%       120       01/31/09        Defeasance            01/31/09
16462     A          74.63%    65.16%       120       09/30/08        Defeasance            09/30/08
 8484     A          33.87%     1.12%       240       05/31/18        Defeasance            05/31/18
16363     A          62.30%    53.52%        60       10/31/03   Greater than 1% or YM      06/30/08
17918     A          56.21%    39.55%       120       01/31/09        Defeasance            01/31/09
 8747     A          67.62%    49.55%       180       09/30/13        Defeasance            09/30/13
 9529     A          75.66%    66.72%       120       10/31/08        Defeasance            10/31/08
17820     A          57.95%    52.03%       120       12/31/08        Defeasance            12/31/08
 9144     A          58.26%     1.87%       240       07/31/18        Defeasance            07/31/18
 9100                47.65%    33.15%       120       01/31/09        Defeasance            01/31/09
 9100     A        
 9100     B        
 9100     C        
 9100     D        
16771     A          43.61%    37.60%       119       08/31/08        Defeasance            08/31/08
 9586     A          64.26%    51.98%       118       08/31/08        Defeasance            08/31/08
11853     A          69.19%    55.95%       120       10/31/08        Defeasance            10/31/08
 8722     A          73.73%    54.03%       180       09/30/13        Defeasance            09/30/13
 9412     A          74.54%    60.35%       120       09/30/08        Defeasance            09/30/08
16718     A          53.33%    44.26%       120       01/31/09        Defeasance            01/31/09
 8548     A          73.29%    56.05%       180       09/30/13        Defeasance            09/30/13
11931     A          37.62%    15.72%       180       12/31/13        Defeasance            12/31/13
12073     A          46.77%    35.20%        48       10/31/02   Greater than 1% or YM      10/31/13
 9291     A          59.32%    45.43%       180       09/30/13        Defeasance            09/30/13
16814     A          58.30%    51.50%       120       12/31/08        Defeasance            12/31/08
 5193     A          65.31%    57.53%       113       04/30/13        Defeasance            04/30/13
17735     A          45.81%    40.23%       120       12/31/08        Defeasance            12/31/08
 6073     A          58.91%    45.47%       177       07/31/13        Defeasance            07/31/13
11472     A          61.55%    50.64%       120       09/30/08        Defeasance            09/30/08
16823     A          74.66%    57.59%       180       10/31/13        Defeasance            10/31/13
11423     A          37.50%    32.02%       120       10/31/08        Defeasance            10/31/08
11516     A          53.53%    33.93%       180       09/30/13        Defeasance            09/30/13
11721     A          61.39%    47.71%       120       09/30/08        Defeasance            09/30/08
 9056     A          62.40%    47.84%       180       07/31/13        Defeasance            07/31/13
16561     A          64.75%    56.25%       120       12/31/08        Defeasance            12/31/08
16496     A          71.45%    64.19%       120       11/30/08        Defeasance            11/30/08
11839     A          43.95%    38.68%       120       11/30/08        Defeasance            11/30/08
 9565     A          68.00%    59.30%       120       08/31/08        Defeasance            08/31/08
 9513     A          71.26%    57.00%       120       09/30/08        Defeasance            09/30/08
 8939     A          70.68%    61.59%       119       09/30/08        Defeasance            09/30/08
17637                74.74%    65.73%       120       12/31/08        Defeasance            12/31/08
17637     A        
17637     B        
 9709     A          60.99%    53.78%       120       06/30/08        Defeasance            06/30/08
 9424     A          64.79%    55.68%       120       09/30/08        Defeasance            09/30/08
 9556     A          70.92%    59.95%       114       03/31/08        Defeasance            03/31/08
16936     A          58.83%     1.28%       180       11/30/13        Defeasance            11/30/13
12147     A          73.06%    65.38%       120       11/30/08        Defeasance            11/30/08
16826     A          73.96%    57.05%       180       10/31/13        Defeasance            10/31/13
11506     A          77.67%    62.30%       120       06/30/08        Defeasance            06/30/08
11997     A          78.01%    67.60%       120       09/30/08        Defeasance            09/30/08
12022     A          66.52%    57.75%       120       10/31/08        Defeasance            10/31/08
 6561     A          50.79%    40.75%       120       10/31/08        Defeasance            10/31/08
11868     A          53.15%    42.49%       120       10/31/08        Defeasance            10/31/08
 9491     A          72.76%    47.19%       180       08/31/13        Defeasance            08/31/13
11895                60.32%    49.25%       120       12/31/08        Defeasance            12/31/08
11895     A        
11895     B        
16830     A          71.42%    55.09%       180       10/31/13        Defeasance            10/31/13
12074     A          79.41%    63.07%       120       11/30/08        Defeasance            11/30/08
11102     A          70.46%    61.73%       120       07/31/08        Defeasance            07/31/08
11552     A          40.97%    35.04%       120       09/30/08        Defeasance            09/30/08
 8487     A          68.52%    57.09%       120       11/30/08        Defeasance            11/30/08
12075     A          79.83%    63.60%       120       11/30/08        Defeasance            11/30/08
11279     A          34.74%    29.96%       120       10/31/08        Defeasance            10/31/08
17138     A          62.86%    52.40%       120       12/31/08        Defeasance            12/31/08
 6019     A          50.03%    34.26%       120       05/31/08        Defeasance            05/31/08
17702     A          64.02%    52.04%       120       12/31/08        Defeasance            12/31/08
11978     A          51.51%    39.66%       180       12/31/13        Defeasance            12/31/13
12252     A          74.61%    58.76%       120       10/31/08        Defeasance            10/31/08
 9125     A          73.85%    64.22%       118       08/31/08        Defeasance            08/31/08
11207     A          71.63%    58.13%       120       07/31/08        Defeasance            07/31/08
17027     A          58.13%    49.13%       120       12/31/08        Defeasance            12/31/08
16820     A          74.23%    57.25%       180       10/31/13        Defeasance            10/31/13
12178     A          68.85%    59.87%       119       08/31/08        Defeasance            08/31/08
16609     A          43.90%    33.86%       180       10/31/13        Defeasance            10/31/13
11162                71.32%    57.54%       120       07/31/08        Defeasance            07/31/08
11162     A        
11162     B        
11162     C        
12203                72.93%    64.55%       120       12/31/08        Defeasance            12/31/08
12203     A        
12203     B        
11999     A          68.71%    56.25%       120       11/30/08        Defeasance            11/30/08
11116     A          30.27%    24.02%       119       07/31/08        Defeasance            07/31/08
11411     A          64.79%    52.35%       117       07/31/08        Defeasance            07/31/08
16393     A          71.96%    55.27%       180       04/30/13        Defeasance            04/30/13
16498     A          73.37%    62.50%        84       10/31/05        Defeasance            10/31/05
 9327     A          55.42%    47.39%        96       06/30/06        Defeasance            06/30/06
 9382     A          63.56%    56.04%       120       12/31/08        Defeasance            12/31/08
11687     A          39.32%     0.32%       120       09/30/08        Defeasance            09/30/08
 9422     A          68.61%    55.88%       120       06/30/08        Defeasance            06/30/08
11845     A          66.48%    54.95%       120       10/31/08        Defeasance            10/31/08
16829     A          72.08%    55.60%       180       10/31/13        Defeasance            10/31/13
12033     A          72.12%    58.36%       120       11/30/08        Defeasance            11/30/08
 9280     A          78.30%    49.15%       180       10/31/13        Defeasance            10/31/13
12253     A          77.05%    61.21%       120       08/31/08        Defeasance            08/31/08
16957     A          51.79%    51.79%       120       01/31/09        Defeasance            01/31/09
17417     A          63.59%    52.96%       120       12/31/08        Defeasance            12/31/08
17137     A          60.27%    50.31%       120       12/31/08        Defeasance            12/31/08
17140     A          53.33%    44.29%       120       01/31/09        Defeasance            01/31/09
11647     A          67.63%    58.25%       120       10/31/08        Defeasance            10/31/08
17194     A          53.91%     1.19%       180       12/31/13        Defeasance            12/31/13
11260     A          47.28%    34.98%       180       09/30/13        Defeasance            09/30/13
 9072     A          54.07%    44.02%       120       07/31/08        Defeasance            07/31/08
17704     A          63.04%    50.25%       120       12/31/08        Defeasance            12/31/08
12257     A          28.78%    24.96%       117       09/30/08        Defeasance            09/30/08
11851     A          18.30%    15.50%       120       09/30/08        Defeasance            09/30/08
11098     A          60.94%    46.45%       180       07/31/13        Defeasance            07/31/13
11599     A          64.31%    52.58%       120       11/30/08        Defeasance            11/30/08
11265     A          54.65%    40.43%       180       09/30/13        Defeasance            09/30/13
 5296     A          72.42%    58.60%       120       09/30/08        Defeasance            09/30/08
17741     A          52.63%     1.39%       180       01/31/14        Defeasance            01/31/14
12050     A          59.52%     1.48%       180       10/31/13        Defeasance            10/31/13
11639     A          35.75%     0.33%       120       09/30/08        Defeasance            09/30/08
17187     A          62.89%    56.80%       120       12/31/08        Defeasance            12/31/08
11272     A          56.96%    42.33%       180       09/30/13        Defeasance            09/30/13
11384     A          39.87%    29.63%       180       09/30/13        Defeasance            09/30/13
 9328     A          58.22%    49.79%        96       06/30/06        Defeasance            06/30/06
16956     A          43.33%    37.91%       120       01/31/09        Defeasance            01/31/09
 6129     A          34.10%     0.60%       180       06/30/13        Defeasance            06/30/13
 8673                76.18%    66.16%       120       08/31/08        Defeasance            08/31/08
 8673     A        
 8673     B        
 6131     A          26.38%     0.24%       120       06/30/08        Defeasance            06/30/08
 9436     A          67.09%    55.50%       120       10/31/08        Defeasance            10/31/08

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                      Free   
Loan#  Property ID   Window               Address                                        City                   State  Zip Code 
- -----  -----------   ------               -------                                        ----                   -----  -------- 
<S>      <C>          <C>   <C>                                                      <C>                         <C>    <C> 
11969                  0                                                                                                        
11969     A                  99, 111 Founders Plaza                                   East Hartford               CT     11969  
11969     B                  21700 Northwestern Highway                               Southfield                  MI     48075  
16464     A            0     9645, 9655, & 9680 Granite Drive                         San Diego                   CA     92123  
 9691     A            0     16 Owen Street                                           Hartford                    CT     06105  
16462     A            0     3400-3470 Highland Avenue                                San Diego                   CA     91950  
 8484     A            0     6751-6801 Wilson Boulevard                               Falls Church                VA     22044  
16363     A            3     247 E. 28th St.                                          New York                    NY     10016  
17918     A            0     411 Hotel Circle South                                   San Diego                   CA     92108  
 8747     A            0     100 Hamilton Station Drive                               Columbus                    GA     31908  
 9529     A            0     40 Washington Avenue                                     Dumont                      NJ     07628  
17820     A            0     240 West 35th Street                                     New York                    NY     10001  
 9144     A            0     426-32 S. Norton;427-39 Westminster                      Los Angeles                 CA     90020  
 9100                  0                                                                                                        
 9100     A                  State Route 18 at Wilson Rd                              West Middlesex              PA     16159  
 9100     B                  739 Leona Street                                         Elyria                      OH     44035  
 9100     C                  385 Cherry Blossom Way                                   Georgetown                  KY     40324  
 9100     D                  2850 Medina Road                                         Medina                      OH     44256  
16771     A            1     117 West 58th Street                                     New York                    NY     10019  
 9586     A            0     Route 8 & Saulsbury Road                                 Dover                       DE     19904  
11853     A            0     1380 University Avenue                                   Bronx                       NY     10452  
 8722     A            0     4343 Warm Springs Road                                   Columbus                    GA     31904  
 9412     A            0     W/S Quarry Road, Lot 2                                   Trumbull                    CT     06611  
16718     A            0     7050 Kirkman Rd.                                         Orlando                     FL     32819  
 8548     A            0     3841 Mechanicsville Road                                 Doylestown                  PA     18934  
11931     A            0     580 Broadway                                             New York                    NY     10012  
12073     A            0     180 Sheree Blvd                                          Uwchlan                     PA     19341  
 9291     A            0     5300 Sidney Simmons Boulevard                            Columbus                    GA     31904  
16814     A            0     2080 York Road                                           Timonium                    MD     21093  
 5193     A            0     16260 Ventura Boulevard                                  Encino                      CA     91416  
17735     A            0     42 W. 48th Street                                        New York                    NY     10036  
 6073     A            0     155 Spring Street                                        New York                    NY     10012  
11472     A            0     1900 A-B East Elizabeth Street                           Brownsville                 TX     78523  
16823     A            0     2205-2245 First  Street                                  Simi Valley                 CA     93063  
11423     A            0     1900 East Tropicana Avenue                               Las Vegas                   NV     89119  
11516     A            0     182 Summer Street                                        Kingstown                   MA     02364  
11721     A            0     42 Strathmore & 6, 10, 14 Orkney Road                    Boston                      MA     02135  
 9056     A            0     1190-165 East Foothill Boulevard                         Arcadia                     CA     91006  
16561     A            0     Swartswood Road                                          Newton                      NJ     07860  
16496     A            0     SEC Tatum & Greenway                                     Phoenix                     AZ     85032  
11839     A            0     37 Executive Drive                                       Danbury                     CT     06810  
 9565     A            0     712 North Washington                                     Dallas                      TX     75223  
 9513     A            0     1875 South Willow Street                                 Manchester                  NH     03103  
 8939     A            1     2929 K Street                                            Sacramento                  CA     95816  
17637                  0                                                                                                        
17637     A                  822 Baylis Street                                        Duluth                      MN     55811  
17637     B                  2101 21st Avenue South                                   Minneapolis                 MN     55404  
 9709     A            0     3202 Aborn Road                                          San Jose                    CA     95630  
 9424     A            0     825 First Avenue East                                    West Fargo                  ND     58078  
 9556     A            6     2400 W. 17th Avenue                                      Longmont                    CO     80503  
16936     A            0     120 Old Post Road                                        Rye                         NY     10580  
12147     A            0     3117-3157 Stockton Road & 1899 Detroit Avenue            Kingman                     AZ     86401  
16826     A            0     2064-2290 Eastman Avenue                                 Ventura                     CA     93003  
11506     A            0     700 Conestoga Drive                                      Marlton                     NJ     08053  
11997     A            0     14220 Kittridge Street                                   Van Nuys                    CA     91405  
12022     A            0     3201 14th Street North                                   St. Cloud                   MN     56303  
 6561     A            0     1900-1948 Aborn Road                                     San Jose                    CA     95121  
11868     A            0     144 East 44th Street                                     New York                    NY     10017  
 9491     A            0     559-573 Main Street                                      Bethlehem                   PA     18018  
11895                  0                                                                                                        
11895     A                  1770-1838 Milmont Drive                                  Milpitas                    CA     95035  
11895     B                  1056 Branham Lane                                        San Jose                    CA     95136  
16830     A            0     2363-2393 Teller Road                                    Newbury Park                CA     91320  
12074     A            0     325 East Main Street                                     Newark                      DE     19711  
11102     A            0     1601 Schlumberger Drive                                  Moorestown                  NJ     08057  
11552     A            0     2260-2320 Black Rock Turnpike                            Fairfield                   CT     06430  
 8487     A            0     801-803 Tilton Road                                      Northfield                  NJ     08225  
12075     A            0     123 East Main Street                                     Newark                      DE     19711  
11279     A            0     3212 North Miller Road                                   Scottsdale                  AZ     85251  
17138     A            0     3620 Hamilton Boulevard                                  Allentown                   PA     18103  
 6019     A            0     525 Broadway                                             Santa Monica                CA     90401  
17702     A            0     318-330 El Camino Real                                   Encinitas                   CA     92024  
11978     A            0     1223-1231 North Road                                     Niles                       OH     44446  
12252     A            0     300 North Essex Avenue                                   Narberth                    PA     19072  
 9125     A            0     219 East Willow Grove Avenue                             Chestnut Hill               PA     19118  
11207     A            0     2222 West Encanto Boulevard                              Phoenix                     AZ     85040  
17027     A            0     535- 537 Division Street                                 North Tonawanda (Buffalo)   NY     14120  
16820     A            0     65 and 67 West Easy Street                               Simi Valley                 CA     93065  
12178     A            1     1435-1441 Walnut Street                                  Philadelphia                PA     19102  
16609     A            0     4495 East Industrial Street                              Simi Valley                 CA     93065  
11162                  0                                                                                                        
11162     A                  37 Charles Street                                        New York                    NY     10014  
11162     B                  234 East 81 Street                                       New York                    NY     10028  
11162     C                  105 East 37 Street                                       New York                    NY     10016  
12203                  0                                                                                                        
12203     A                  220 Henthorne Drive                                      Village of Palm Springs     FL     33461  
12203     B                  100 Rex Avenue                                           Village of Palm Springs     FL     33461  
11999     A            0     16855 Old Harland Road                                   Lathrop                     CA     93245  
11116     A            1     300 Main Street                                          Madison                     NJ     07940  
11411     A            3     7909 Broadway                                            Everett                     WA     98203  
16393     A            0     905-989 Lomas Santa Fe Drive                             San Diego County            CA     92075  
16498     A            0     2601 W. Cypress St., 2522, 2530, 2601/2609 W. Holly St.  Phoenix                     AZ     85009  
 9327     A            0     7841 Ridge Avenue                                        Philadelphia                PA     19128  
 9382     A            0     1113-1123 First Avenue                                   Seattle                     WA     98101  
11687     A            0     23 West 61 Street                                        Minneapolis                 MN     55419  
 9422     A            0     1510-1512 West Park Avenue                               Houma                       LA     70364  
11845     A            0     160 Main Street                                          Sanford                     ME     04073  
16829     A            0     4464 McGrath and 2175 Goodyear Avenue                    Ventura                     CA     93003  
12033     A            0     65 North Fullerton Avenue                                Montclair                   NJ     07042  
 9280     A            0     5039-5065 State Road                                     Saginaw                     MI     48603  
12253     A            0     118 Montgomery Avenue                                    Bala Cynwyd                 PA     19004  
16957     A            0     200-204 2nd Street                                       Santa Monica                CA     90401  
17417     A            0     51654 National Road                                      St. Clairsville             OH     43950  
17137     A            0     585 North Carolina/Hwy 9                                 Black Mountain              NC     28711  
17140     A            0     1370 Monument Boulevard                                  Concord                     CA     94520  
11647     A            0     3344 Castle Heights Ave.                                 Los Angeles                 CA     90034  
17194     A            0     101 Broadway                                             Santa Monica                CA     90401  
11260     A            0     1630-38 12th Street                                      Santa Monica                CA     90404  
 9072     A            0     1055-1095 Tully Road                                     San Jose                    CA     95121  
17704     A            0     4833 Hixson Pike                                         Chattanooga                 TN     37343  
12257     A            3     64-10 108th Street                                       Forest Hills (Queens)       NY     11375  
11851     A            0     1901-2009 Black Rock Turnpike                            Fairfield                   CT     06430  
11098     A            0     111-123 Bath Avenue                                      Long Branch                 NJ     07740  
11599     A            0     13810-14090 NE Sandy Boulevard                           Portland                    OR     97230  
11265     A            0     1615 16th Street and 1616 17th Street                    Santa Monica                CA     90403  
 5296     A            0     422 East 32nd Street                                     Holland                     MI     49423  
17741     A            0     314 Silent Valley Rd                                     Lockhart                    TX     78644  
12050     A            0     5415-55 Reistertown Road                                 Baltimore                   MD     21045  
11639     A            0     6822 Oak Hall Lane                                       Columbia                    MD     21045  
17187     A            0     1106-1112 North La Cienga Boulevard                      West Hollywood              CA     90069  
11272     A            0     5839 Green Valley Circle                                 Culver City                 CA     90232  
11384     A            0     5855 Green Valley Circle                                 Culver City                 CA     90232  
 9328     A            0     450 Domino Lane                                          Philadelphia                PA     19128  
16956     A            0     1415-1419 2nd Street                                     Santa Monica                CA     90401  
 6129     A            0     4502-4622 West Indian School Road                        Phoenix                     AZ     85031  
 8673                  0                                                              
 8673     A                  State Route 7                                            Unadilla                    NY     13820  
 8673     B                  County Route 11                                          Laurens                     NY     13820  
 6131     A            0     2465 South 19th Avenue                                   Phoenix                     AZ     85007  
 9436     A            0     3424 Simpson Ferry Road                                  Camp Allen                  PA     17011  
                                                                   
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION



                                                                                       Cut-Off         Cut-Off
                                             Year Built/          Square    # of       Balance         Balance                      
Loan#  Property ID       Property Type        Renovated            Feet     Units     Per Sq Ft        Per Unit      Occupancy      
- -----  -----------       -------------        ---------            ----     -----     ---------        --------      ---------      
<S>      <C>        <C>                   <C>                    <C>        <C>        <C>            <C>             <C> 
11969               Office                 
11969     A         Office                 1972                   390802                                                95.1%       
11969     B         Office                 1973                   251379                                                80.6%       
16464     A         Office                 1991                   215503                83.28                           99.7%       
 9691     A         Multifamily            Early 1980's                      584                       24,143.84        98.1%       
16462     A         Retail, Anchored       1997                   154668                74.79                          100.0%       
 8484     A         Retail, Anchored       1996                   206647                52.45                           89.6%       
16363     A         Multifamily            1979                              128                       81,774.55       100.0%       
17918     A         Hotel                  1995-1997/ $1.45MM                307                       30,944.63        83.1%       
 8747     A         Multifamily            1985-87                           284                       33,333.74        97.3%       
 9529     A         Mixed-Use              1997                    54752      26       171.36         360,851.87       100.0%       
17820     A         Office                 1925                   160279                49.89                           92.0%       
 9144     A         Multifamily            1997                              154                       48,805.85       100.0%       
 9100               Hotel                  
 9100     A         Hotel                  1989                               61                                        68.0%       
 9100     B         Hotel                  1997                               65                                        68.5%       
 9100     C         Hotel                  1992-1998                          67                                        63.9%       
 9100     D         Hotel                  1995                               79                                        61.7%       
16771     A         Multifamily            1995-1997                          99                       70,485.59        97.0%       
 9586     A         Retail, Anchored       1998                   101957                68.32                           82.8%       
11853     A         Multifamily            1967                              139                       46,614.00        97.8%       
 8722     A         Multifamily            1995-1996                         172                       37,079.19        98.8%       
 9412     A         Theater                1994                    51000               124.97                          100.0%       
16718     A         Hotel                  1978                              355                       18,028.17        89.3%       
 8548     A         Office                 1996-1998               63393                95.96                          100.0%       
11931     A         Office                 1985 - present         122100                49.30                           99.3%       
12073     A         Office                 1988                   107437                55.72                           96.6%       
 9291     A         Retail, Unanchored     1995 / 1988            128187                45.12                           93.9%       
16814     A         Retail, Unanchored     1996                    59620                93.88                           94.8%       
 5193     A         Office                 1998                    60001                92.51                           87.2%       
17735     A         Office                 1994-1997               57086                96.29                          100.0%       
 6073     A         Mixed-Use              1986                    36240               151.17                           84.6%       
11472     A         Hotel                  1996-1998                         272                       19,687.27        67.7%       
16823     A         Industrial/Warehouse   1986                   104202                48.37                           97.8%       
11423     A         Multifamily            1997/98                           324                       15,392.37        93.5%       
11516     A         Retail, Anchored       1996                   134788                36.93                          100.0%       
11721     A         Multifamily            1993-1998                         101                       49,234.20        97.0%       
 9056     A         Retail, Anchored       1965                    56297                83.13                          100.0%       
16561     A         Multifamily            1972                              168                       27,362.94        98.2%       
16496     A         Retail, Anchored       1987                   106625                42.21                          100.0%       
11839     A         Industrial/Warehouse   1991                   278000                15.81                          100.0%       
 9565     A         Office                 1963                    50710                84.48                           93.2%       
 9513     A         Retail, Anchored       1991                    46395                92.15                          100.0%       
 8939     A         Mixed-Use              1986                    61254                69.23                           96.5%       
17637               Multifamily            
17637     A         Multifamily            1972                               60                                       100.0%       
17637     B         Multifamily            1963-1966                         122                                       100.0%       
 9709     A         Retail, Anchored       1986                    26351               160.17                           96.7%       
 9424     A         Mobile Home Park       1978                              379                       11,111.77        99.2%       
 9556     A         Multifamily            1980                              108                       38,744.37        99.1%       
16936     A         Office                 1998                    44708                93.42                          100.0%       
12147     A         Retail, Anchored       1973                   103951                39.89                           97.8%       
16826     A         Industrial/Warehouse   1983                   114348                36.22                           87.2%       
11506     A         Multifamily            1967                              128                       32,159.80        95.3%       
11997     A         Multifamily            1987                               85                       48,091.38       100.0%       
12022     A         Multifamily            1974                              203                       19,660.65       100.0%       
 6561     A         Retail, Unanchored     1998                    46753                85.27                           96.1%       
11868     A         Office                 1990                    51539                77.35                          100.0%       
 9491     A         Mixed-Use              1998                    61567                63.82                           97.3%       
11895               Ministorage            
11895     A         Retail                 1991                    19359                                                96.4%       
11895     B         Ministorage            1988                    23244     415                                       100.0%       
16830     A         Industrial/Warehouse   1985                    85204                45.68                           98.6%       
12074     A         Mixed-Use              1998                     6735      42       577.78          92,650.75        92.9%       
11102     A         Industrial/Warehouse   1997                    77700                48.06                          100.0%       
11552     A         Mixed-Use              1987                    68054                54.19                           98.8%       
 8487     A         Retail, Unanchored     1996                    47956                72.87                          100.0%       
12075     A         Mixed-Use              1998                    15334      20       227.75         174,619.08        92.3%       
11279     A         Congregate Care        1986                   119875     135        29.13          25,864.61        98.5%       
17138     A         Hotel                  1996                               70                       49,391.18        74.5%       
 6019     A         Office                 1988                    34969                98.57                          100.0%       
17702     A         Retail, Unanchored     1979                    47609                69.25                           97.7%       
11978     A         Multifamily            1971                              306                       10,941.14        97.7%       
12252     A         Multifamily            1988                               62                       52,223.56       100.0%       
 9125     A         Multifamily            1998                               88                       35,664.04        97.7%       
11207     A         Industrial/Warehouse   1975                    88507                34.80                          100.0%       
17027     A         Retail                 1997                    80078                37.75                           86.4%       
16820     A         Industrial/Warehouse   1984                    61649                48.16                           97.0%       
12178     A         Office                 1980                    53574                53.97                          100.0%       
16609     A         Ministorage            1985                    82333     812        33.94           3,441.35        96.9%       
11162               Multifamily            
11162     A         Multifamily            1988                                8                                       100.0%       
11162     B         Multifamily            1988                               20                                       100.0%       
11162     C         Multifamily            1988                                7                                       100.0%       
12203               Multifamily            
12203     A         Multifamily            1974                               56                                       100.0%       
12203     B         Multifamily            1997-1998                          40                                       100.0%       
11999     A         Hotel                  1996                               66                       40,079.81        78.9%       
11116     A         Retail, Anchored       1987                    83850                31.41                           97.7%       
11411     A         Ministorage            1970                    57343     601        45.20           4,312.30        92.0%       
16393     A         Retail, Anchored       1997                   213365                11.64                           97.6%       
16498     A         Industrial/Warehouse   1985                   150280                16.40                          100.0%       
 9327     A         Multifamily            1961                              147                       16,531.59        97.3%       
 9382     A         Mixed-Use              1982                    29820                79.94                          100.0%       
11687     A         Multifamily            ongoing                           157                       14,926.74        99.4%       
 9422     A         Retail, Anchored       1996                   122009                19.12                          100.0%       
11845     A         Mixed-Use              1997                    74325      26        30.86          88,220.01        98.7%       
16829     A         Industrial/Warehouse   1985                    65292                34.77                           94.0%       
12033     A         Multifamily            1998                               43                       51,991.43       100.0%       
 9280     A         Retail, Anchored       1970, 1971              38139                57.48                          100.0%       
12253     A         Multifamily            1954                               50                       43,532.60        98.0%       
16957     A         Mixed-Use              1990                    14553       5       149.45         435,000.00       100.0%       
17417     A         Hotel                  1997                               65                       32,283.04        70.0%       
17137     A         Hotel                  1995                               57                       33,308.40        63.8%       
17140     A         Hotel                  1984                               42                       47,619.05        78.2%       
11647     A         Multifamily            1989                               34                       58,682.68       100.0%       
17194     A         Mixed-Use              1994                     6710      12       297.25         166,212.54       100.0%       
11260     A         Office                 1997                    19335               100.26                          100.0%       
 9072     A         Retail, Unanchored     1985                    17061               107.75                          100.0%       
17704     A         Hotel                  1994                               57                       32,075.04        67.0%       
12257     A         Retail, Anchored       1955                    49383                36.43                          100.0%       
11851     A         Retail, Anchored       1959-1970              106716                16.81                          100.0%       
11098     A         Multifamily            1953                               80                       22,089.82        97.5%       
11599     A         Retail, Unanchored     1987                    28191                59.31                           91.5%       
11265     A         Office                 1997                    14438               113.56                          100.0%       
 5296     A         Hotel                  1987                               71                       22,440.62        50.2%       
17741     A         Mobile Home Park       1984                              191                        7,853.40        93.2%       
12050     A         Retail, Unanchored     1993                    44000                33.82                          100.0%       
11639     A         Office                 1978                    40000                36.64                          100.0%       
17187     A         Retail, Unanchored     1989                    15316                98.55                          100.0%       
11272     A         Office                 1979                    30152                46.28                           97.1%       
11384     A         Office                 1978                    41006                34.03                           89.5%       
 9328     A         Multifamily            1963                               86                       16,147.13        96.5%       
16956     A         Office                 1995                    12200               106.56                          100.0%       
 6129     A         Industrial/Warehouse   1988                    83498                15.52                           96.6%       
 8673                                      
 8673     A         Mobile Home Park       1990                               54                                        97.4%       
 8673     B         Mobile Home Park       1990                               74                                        97.4%       
 6131     A         Industrial/Warehouse   1985                   174500                 6.05                           94.0%       
 9436     A         Retail, Unanchored     1983                    11220                65.77                          100.0%       
                    
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                                 Annual      Annual
                              Replacement Replacement                             Largest  Largest
                   Occupancy    Reserves    Reserves                              Tenant    Tenant
Loan# Property ID     Date      Per SqFt   Per Units       Largest Tenant          SqFt   Expiration   2nd Largest Tenant
- -----------------     ----      --------   ---------       --------------          ----   ----------   ------------------
<S>     <C>        <C>           <C>       <C>       <C>                         <C>      <C>        <C>
11969                         
11969    A          12/11/98      0.20                Fleet Bank                  148000   12/31/06   Phoenix Home Life
11969    B          11/30/98      0.20                Health Alliance Plan "HAP"   60626   01/01/99   Lutheran Social Service
16464    A          11/02/98         -                ITT Technical Institute      39534   02/01/09   Paychex
 9691    A          10/01/98                 250.00
16462    A          01/06/99         -                Auto Parts Club              42560   08/31/08   Office Depot
 8484    A          09/30/98         -                Ames                         77120   07/01/16   Olympus Gym
16363    A          11/09/98                 328.13
17918    A          10/31/98               1,078.30
 8747    A          07/31/98                      -
 9529    A          09/01/98      0.27       565.91   Grand Union                  44282   10/31/17   Health Net
17820    A          12/01/98      0.20                Mary McFadden                15100   06/30/02   One Notch Up
 9144    A          09/30/98                 300.00
 9100                         
 9100    A          10/31/98                 696.59
 9100    B          10/31/98                 720.61
 9100    C          10/31/98                 511.66
 9100    D          10/31/98                 692.96
16771    A          09/01/98                      -
 9586    A          10/16/98      0.11                Food Lion                    37909   11/30/17   Goodwill
11853    A          07/14/98                 250.00
 8722    A          07/31/98                      -
 9412    A          11/01/98      0.15                Crown Theaters L.P.          51000   11/30/14
16718    A          10/31/98                 815.66
 8548    A          08/12/98      0.05                DVI Inc.                     27604   08/14/07   Merrill Lynch
11931    A          12/01/98         -                Zara International, Ltd      18800   01/20/10   Lee, Lin & Tong
12073    A          10/13/98      0.15                Bell Atlantic                24176   04/30/01   Allstate
 9291    A          10/30/98      0.15                Supervalue                   43700   04/30/08   Office Depot
16814    A          09/30/98         -                US Martial Arts               6108   12/31/00   Bryn Mawr
 5193    A          10/01/98      0.15                Pejman Salimpour              6519   07/31/02   Indianer, Lasa, Rosen
17735    A          12/01/98      0.20                NYC OTB Corp                  4820   12/31/04   Christopher Designes
 6073    A          10/01/98      0.26                Country Road                  7750   03/31/03   Smatt Florence
11472    A          08/31/98                 509.68
16823    A          08/14/98      0.15                Frederick Klingenstein        8736   01/31/99   Robert Williams
11423    A          08/05/98                      -
11516    A          07/01/98      0.15                Victory Supermarket          60000   07/31/11   Ocean State Job Lot
11721    A          10/15/98                 250.00
 9056    A          10/28/98      0.15                Vons                         24600   02/01/02   Thrifty Drug
16561    A          12/07/98                 250.00
16496    A          09/11/98      0.07                Safeway                      42215   05/05/04   Walgreens
11839    A          09/16/98      0.10                Pitney Bowes                278000   09/30/02
 9565    A          10/01/98         -                Texas Cardiology             12342   11/30/02   The Arthritis Centers
 9513    A          09/11/98      0.15                Sears Home Life              36767   07/31/00   Pizzeria Uno
 8939    A          08/24/98      0.20                UC Davis Extension           21981   12/31/05   John Robert Powers
17637                         
17637    A          10/01/98                 250.00
17637    B          10/15/98                 250.00
 9709    A          09/30/98      0.18                Blockbuster Video             4524   08/31/02   Round Table Pizza
 9424    A          07/01/98                  50.00
 9556    A          06/30/98                 200.00
16936    A          10/01/98      0.15                Mobius Management
                                                        Systems Inc                44708   02/28/08
12147    A          09/18/98      0.15                Safeway                      37325   03/31/99   JC Penney's
16826    A          08/14/98      0.15                Jaycor                        6008   10/31/99   Implantech Association
11506    A          10/06/98                 225.00
11997    A          10/28/98                 265.00
12022    A          11/17/98                 250.00
 6561    A          09/10/98      0.15                Maxim Supermarket            19063   08/27/08   Goldilocks Bakery
11868    A          06/01/98         -                Duane Reade                   8800   05/01/06   Lucent Technology
 9491    A          08/13/98      0.15                Cabot Marsh                  22160   05/08/08   Bethlehem Beer Works
11895                         
11895    A          09/01/98      0.15
11895    B          09/21/98      0.15         8.39
16830    A          08/13/98      0.15                Classic Components            5064   04/01/00   RM Controls
12074    A          10/27/98      1.71       273.48   Delaware Eye Care             4375   05/31/13   Plant Wholesale
11102    A          05/01/98      0.15                Schlumberger Technologies    77700   04/15/03
11552    A          10/13/98      0.15                Sprouts                       8625   02/20/02   Fairmart Drugs
 8487    A          10/28/98      0.15                World Gym                    14993   07/14/07   Big M, Inc.
12075    A          10/27/98      0.48       365.08   The Learning Station         11460   08/31/08   Mellon Bank
11279    A          09/29/98         -            -
17138    A          08/31/98               1,100.00
 6019    A          08/01/98      0.21                Berlitz International        12275   06/30/06   Western Mutual Insurance
17702    A          11/19/98      0.15                El Camino Transmission        8300   07/31/03   Fender Mender
11978    A          11/25/98                 250.00
12252    A          10/05/98                 225.00
 9125    A          10/05/98                 252.84
11207    A          06/08/98      0.15                Department of Economic
                                                        Security (DES)             44987   06/30/02   John H. Harland Co.
17027    A          10/01/98      0.15                Jubilee Foods                36915   07/08/05   DeGraff Hospital
16820    A          08/14/98      0.15                World Circuit                11921   02/28/99   Paul Teagle
12178    A          07/09/98      0.10                Holiday Universal            20662   05/31/10   Tele America Media, Inc.
16609    A          08/16/98      0.15        15.21   N/A                                             N/A
11162                         
11162    A          10/07/98               1,093.76
11162    B          10/07/98                      -
11162    C          10/07/98                      -
12203                         
12203    A          11/01/98                 250.00
12203    B          11/01/98                 250.00
11999    A          04/01/98                 550.78
11116    A          09/24/98      0.15                Staples, Inc.                24000   01/31/02   Plaza Lanes
11411    A          11/14/98      0.15        13.84
16393    A          12/07/98         -                Vons                         49895   12/31/17   Ross Store
16498    A          10/21/98      0.20                Engine Supply Co.           150280   02/24/08
 9327    A          10/01/98                 225.00
 9382    A          11/24/98         -                Fine - Com Corporation        6540   04/15/01   La Fiesta Inc.
11687    A          09/01/98                 275.00
 9422    A          09/29/98      0.15                Kmart                        92039   11/30/01   A&P (Weiners)
11845    A          08/15/98      0.15       428.80   State of Maine               14296   05/15/08   Body Works
16829    A          08/14/98      0.15                Pamela Stephens               7000   08/31/99   Michael Janowski
12033    A          10/26/98                 268.00
 9280    A          09/30/98      0.15                Arbor Drugs                  10500   05/31/00   Panorama Videos
12253    A          10/06/98                 225.00
16957    A          12/28/98      0.17       494.81   Jigsaw                        5105   10/31/01   W/F Tudor House
17417    A          10/31/98                 791.37
17137    A          12/31/97                 718.00
17140    A          09/30/98                 991.88
11647    A          10/13/98                 202.00
17194    A          11/06/98      0.60       334.00   Rebecca's                     3250   01/31/04   Sit Still
11260    A          09/21/98      0.15                Radical Media                19335   06/30/07
 9072    A          10/13/98      0.23                Pho Kin                       2514   12/31/03   Apple Video
17704    A          09/30/98                 752.00
12257    A          10/22/98      0.15                Waldbaums Supermarket        20815   12/03/99   Rainbow
11851    A          10/13/98         -                Shaw's                       38675   01/31/01   United Home Care
11098    A          06/30/98                 250.00
11599    A          09/01/98      0.37                H&H Kids                      7400   09/30/07   Royal Garden Restaurant
11265    A          06/24/98      0.15                Adventure Film & Tape         7219   01/14/03   Admusic Inc.
 5296    A          09/30/98                 615.00
17741    A          11/01/98                  50.01
12050    A          07/01/98      0.15                Zion Temple                  12171   01/31/03   Murray's Steaks (Food Market)
11639    A          10/01/98      0.22                MAI - Chaimson, Inc.         40000   12/31/10
17187    A          12/21/98      0.33                LA Health Management          3800   08/30/03   Head Shot Photo
11272    A          11/02/98      0.25                Walker Associates West        5023   03/31/00   Transcriptions Unlimited
11384    A          11/02/98      0.21                Paragon                       2938   10/09/03   S.O.S. Enterprises
 9328    A          10/01/98                 225.00
16956    A          12/08/98      0.15                Silicon Graphics              8600   12/31/99   Silcon Graphics
 6129    A          10/01/98         -                Ariz Fitness                 13824   08/31/03   La Mansion
 8673                         
 8673    A          03/16/98                  50.00
 8673    B          03/16/98                  50.00
 6131    A          07/15/98         -                Smith Moulding               35750   01/31/03   Globe Furniture
 9436    A          07/06/98      0.16                Sunrise Computers             5400   05/31/02   Mr. Mattress
                  
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                     2nd Largest
                     2nd Largest       Tenant           Cross-                                   Release
Loan#  Property ID   Tenant SqFt     Expiration     Collateralized    Cross-Collateral Desc     Provisions?
- -----  -----------   -----------     ----------     --------------    ---------------------     -----------
<S>      <C>           <C>           <C>               <C>            <C>                          <C>
11969                                                    TRUE          Multiple Properties
11969     A             44882         05/31/02           TRUE          Multiple Properties          Yes
11969     B             37201         12/15/07           TRUE          Multiple Properties          Yes
16464     A             23329         03/01/01          FALSE                                       No
 9691     A                                             FALSE                                       No
16462     A             30686         04/30/12          FALSE                                       No
 8484     A             20000         02/01/02          FALSE                                       No
16363     A                                             FALSE                                       No
17918     A                                             FALSE                                       No
 8747     A                                             FALSE                                       No
 9529     A              4275         06/30/02          FALSE                                       No
17820     A              8500         05/31/04          FALSE                                       No
 9144     A                                             FALSE                                       No
 9100                                                    TRUE          Mutiple Properties
 9100     A                                              TRUE          Mutiple Properties           No
 9100     B                                              TRUE          Mutiple Properties           No
 9100     C                                              TRUE          Mutiple Properties           No
 9100     D                                              TRUE          Mutiple Properties           No
16771     A                                             FALSE                                       No
 9586     A             12000         09/30/03          FALSE                                       No
11853     A                                             FALSE                                       No
 8722     A                                             FALSE                                       No
 9412     A                                             FALSE                                       No
16718     A                                             FALSE                                       No
 8548     A              9610         04/30/08          FALSE                                       No
11931     A              9600         02/28/02          FALSE                                       No
12073     A             18118         09/30/02          FALSE                                       No
 9291     A             27256         07/01/10          FALSE                                       No
16814     A              5436         09/30/00          FALSE                                       No
 5193     A              4829         07/31/02          FALSE                                       No
17735     A              4098         04/30/00          FALSE                                       No
 6073     A              6198         06/30/03          FALSE                                       No
11472     A                                             FALSE                                       No
16823     A              5341         07/31/99          FALSE                                       No
11423     A                                             FALSE                                       No
11516     A             27768         02/28/03          FALSE                                       No
11721     A                                             FALSE                                       No
 9056     A             17000         08/31/21          FALSE                                       No
16561     A                                             FALSE                                       No
16496     A             13000         03/31/15          FALSE                                       No
11839     A                                             FALSE                                       No
 9565     A              6506         09/30/02          FALSE                                       No
 9513     A              6312         09/30/10          FALSE                                       No
 8939     A             10000         02/28/08          FALSE                                       No
17637                                                    TRUE          Mutiple Properties           Yes
17637     A                                              TRUE          Mutiple Properties           Yes
17637     B                                              TRUE          Mutiple Properties           Yes
 9709     A              4000         01/31/01          FALSE                                       No
 9424     A                                             FALSE                                       No
 9556     A                                             FALSE                                       No
16936     A                                             FALSE                                       No
12147     A             20200         03/01/04          FALSE                                       No
16826     A              5832         01/31/99          FALSE                                       No
11506     A                                             FALSE                                       No
11997     A                                             FALSE                                       No
12022     A                                             FALSE                                       No
 6561     A              2093         08/27/03          FALSE                                       No
11868     A              7200         06/30/00          FALSE                                       No
 9491     A              7511         04/19/08          FALSE                                       No
11895                                                    TRUE          Multiple Properties
11895     A                                              TRUE          Multiple Properties          No
11895     B                                              TRUE          Multiple Properties          No
16830     A              3474         09/30/00          FALSE                                       No
12074     A              1180         09/14/03          FALSE                                       No
11102     A                                             FALSE                                       No
11552     A              8000         01/31/00          FALSE                                       No
 8487     A              9815         01/31/03          FALSE                                       No
12075     A              1500         11/30/08          FALSE                                       No
11279     A                                             FALSE                                       No
17138     A                                             FALSE                                       No
 6019     A              8193         04/30/99          FALSE                                       No
17702     A              8260         03/31/04          FALSE                                       No
11978     A                                             FALSE                                       No
12252     A                                             FALSE                                       No
 9125     A                                             FALSE                                       No
11207     A             33076         08/01/00          FALSE                                       No
17027     A             12113         08/31/05          FALSE                                       No
16820     A              7632         11/30/98          FALSE                                       No
12178     A              6308         03/31/08          FALSE                                       No
16609     A                                             FALSE                                       No
11162                                                    TRUE          Multiple Properties
11162     A                                              TRUE          Multiple Properties          No
11162     B                                              TRUE          Multiple Properties          No
11162     C
12203                                                    TRUE          Mutiple Properties
12203     A                                              TRUE          Mutiple Properties           Yes
12203     B                                              TRUE          Mutiple Properties           Yes
11999     A                                             FALSE                                       No
11116     A             22500         09/30/01          FALSE                                       No
11411     A                                             FALSE                                       No
16393     A             30531         01/31/03          FALSE                                       No
16498     A                                             FALSE                                       No
 9327     A                                             FALSE                                       No
 9382     A              4477         07/31/04          FALSE                                       No
11687     A                                             FALSE                                       No
 9422     A             29970         09/30/04          FALSE                                       No
11845     A              9325         11/30/04          FALSE                                       No
16829     A              4840         04/30/00          FALSE                                       No
12033     A                                             FALSE                                       No
 9280     A              7650         12/31/00          FALSE                                       No
12253     A                                             FALSE                                       No
16957     A              3862         01/31/00          FALSE                                       No
17417     A                                             FALSE                                       No
17137     A                                             FALSE                                       No
17140     A                                             FALSE                                       No
11647     A                                             FALSE                                       No
17194     A              1100         09/25/99          FALSE                                       No
11260     A                                             FALSE                                       No
 9072     A              2226         12/20/98          FALSE                                       No
17704     A                                             FALSE                                       No
12257     A              7280         02/28/04          FALSE                                       No
11851     A             16550         07/31/00          FALSE                                       No
11098     A                                             FALSE                                       No
11599     A              4000         09/30/04          FALSE                                       No
11265     A              7219         01/31/08          FALSE                                       No
 5296     A                                             FALSE                                       No
17741     A                                             FALSE                                       No
12050     A             11000         07/31/02          FALSE                                       No
11639     A                                             FALSE                                       No
17187     A              3033         12/31/03          FALSE                                       No
11272     A              4858         09/30/03          FALSE                                       No
11384     A              2457         08/14/99          FALSE                                       No
 9328     A                                             FALSE                                       No
16956     A              3600         12/31/00          FALSE                                       No
 6129     A             20738         02/28/03          FALSE                                       No
 8673                                                   FALSE                                       No
 8673     A
 8673     B
 6131     A             33000         01/31/99          FALSE                                       No
 9436     A              4000         11/18/02          FALSE                                       No

</TABLE>

<TABLE>
<CAPTION>
                                                          BSCMSI 1999-C1
                                                PRELIMINARY COLLATERAL INFORMATION


                                                           Tax     Insurance   Replacement
Loan#  Property ID            Release Provision Terms     Escrow    Escrow       Escrow      Springing Escrow Description
- -----  -----------            -----------------------     ------    ------       ------      ----------------------------
<S>      <C>       <C>                                     <C>       <C>          <C>       <C>
11969
11969     A         1.38x DSCR at Par                       Yes       Yes          Yes
11969     B         1.38x DSCR at Par                       Yes       Yes          Yes
16464     A                                                 Yes        No          Yes       Insurance
 9691     A                                                 Yes       Yes          Yes
16462     A                                                 Yes        No          Yes       Insurance
 8484     A                                                 Yes       Yes           No       Replacement Reserve
16363     A                                                 Yes       Yes          Yes
17918     A                                                 Yes       Yes          Yes
 8747     A                                                 Yes       Yes           No       Replacement reserve
 9529     A                                                 Yes       Yes          Yes
17820     A                                                 Yes        No          Yes
 9144     A                                                 Yes       Yes          Yes
 9100
 9100     A                                                 Yes       Yes          Yes
 9100     B                                                 Yes       Yes          Yes
 9100     C                                                 Yes       Yes          Yes
 9100     D                                                 Yes       Yes          Yes
16771     A                                                 No         No           No       Replacement Reserve, Tax, Ins
 9586     A                                                 Yes       Yes          Yes
11853     A                                                 Yes       Yes          Yes
 8722     A                                                 Yes       Yes           No       Replacement Reserve
 9412     A                                                 Yes       Yes          Yes
16718     A                                                 Yes       Yes          Yes
 8548     A                                                 Yes       Yes          Yes
11931     A                                                 Yes       Yes          Yes       Replacement Reserve
12073     A                                                 Yes       Yes          Yes
 9291     A                                                 Yes       Yes          Yes
16814     A                                                 Yes        No          Yes
 5193     A                                                 Yes        No          Yes       Insurance
17735     A                                                 Yes       Yes          Yes
 6073     A                                                 Yes       Yes          Yes
11472     A                                                 Yes       Yes          Yes
16823     A                                                 Yes       Yes          Yes
11423     A
11516     A                                                 No         No          Yes       Tax and Ins
11721     A                                                 Yes       Yes          Yes
 9056     A                                                 Yes       Yes          Yes
16561     A                                                 Yes       Yes          Yes
16496     A                                                 Yes       Yes          Yes
11839     A                                                 No         No          Yes       Taxes & Insurance
 9565     A                                                 Yes       Yes           No       Rep Res
 9513     A                                                 Yes       Yes          Yes
 8939     A                                                 No         No          Yes       Tax, Ins., Ground Rent
17637               TRUE
17637     A                                                 Yes       Yes          Yes
17637     B                                                 Yes       Yes          Yes
 9709     A                                                 Yes       Yes          Yes
 9424     A                                                 Yes       Yes          Yes
 9556     A                                                 Yes        No          Yes       Insurance
16936     A                                                 Yes       Yes          Yes
12147     A                                                 Yes       Yes          Yes
16826     A                                                 Yes       Yes          Yes
11506     A                                                 Yes        No          Yes       Insurance
11997     A                                                 Yes        No          Yes       Insurance
12022     A                                                 Yes       Yes          Yes
 6561     A                                                 Yes       Yes          Yes
11868     A                                                 No         No           No       Replacement Reserve, Tax & Insurance
 9491     A                                                 Yes       Yes          Yes
11895
11895     A                                                 Yes       Yes          Yes
11895     B                                                 No         No           No
16830     A                                                 Yes       Yes          Yes
12074     A                                                 Yes       Yes          Yes
11102     A                                                 No         No          Yes       Tax and Ins
11552     A                                                 Yes       Yes          Yes       Replacement Reserve, Tax, Ins
 8487     A                                                 Yes       Yes          Yes
12075     A                                                 Yes       Yes          Yes
11279     A                                                 Yes        No           No       Replacement Reserve, insurance
17138     A                                                 Yes       Yes          Yes
 6019     A                                                 Yes       Yes          Yes
17702     A                                                 Yes       Yes          Yes
11978     A                                                 Yes        No          Yes
12252     A                                                 Yes        No          Yes       Insurance
 9125     A                                                 Yes       Yes          Yes
11207     A                                                 Yes       Yes          Yes
17027     A                                                 Yes       Yes          Yes
16820     A                                                 Yes       Yes          Yes
12178     A                                                 Yes        No          Yes       Insurance
16609     A                                                 Yes       Yes          Yes
11162
11162     A                                                 Yes       Yes          Yes       None
11162     B                                                 Yes       Yes          Yes       None
11162     C                                                 Yes       Yes          Yes       None
12203
12203     A         1.46x DSCR - 125% Defeasance Release    Yes       Yes          Yes
12203     B         1.46x DSCR - 125% Defeasance Release    Yes       Yes          Yes
11999     A                                                 Yes       Yes          Yes
11116     A                                                 Yes        No          Yes       Insurance
11411     A                                                 Yes       Yes          Yes
16393     A                                                 Yes        No          Yes       Insurance
16498     A                                                 Yes       Yes          Yes
 9327     A                                                 Yes        No          Yes       Insurance
 9382     A                                                 Yes       Yes           No       Replacement Reserve
11687     A                                                 Yes       Yes          Yes
 9422     A                                                 Yes       Yes          Yes
11845     A                                                 Yes       Yes          Yes
16829     A                                                 Yes       Yes          Yes
12033     A                                                 Yes       Yes          Yes
 9280     A                                                 Yes       Yes          Yes
12253     A                                                 Yes        No          Yes       Insurance
16957     A                                                 Yes       Yes          Yes
17417     A                                                 Yes       Yes          Yes
17137     A                                                 Yes       Yes          Yes
17140     A                                                 Yes       Yes          Yes
11647     A                                                 Yes        No          Yes       Insurance
17194     A                                                 Yes       Yes          Yes
11260     A                                                 Yes       Yes          Yes
 9072     A                                                 Yes       Yes          Yes
17704     A                                                 Yes       Yes          Yes
12257     A                                                 Yes        No          Yes       Springing to $20,000 per annum
11851     A                                                                                  Replacement Reserve, Tax, Ins
11098     A                                                 Yes       Yes          Yes
11599     A                                                 Yes       Yes          Yes
11265     A                                                 Yes       Yes          Yes
 5296     A                                                 Yes       Yes          Yes
17741     A                                                 Yes       Yes          Yes
12050     A                                                 Yes       Yes          Yes
11639     A                                                 Yes       Yes          Yes
17187     A                                                 Yes        No          Yes
11272     A                                                 Yes       Yes          Yes
11384     A                                                 Yes       Yes          Yes
 9328     A                                                 Yes        No          Yes       Insurance
16956     A                                                 Yes       Yes          Yes
 6129     A                                                 Yes        No           No       Insurance
 8673
 8673     A                                                 Yes       Yes          Yes
 8673     B                                                 Yes       Yes          Yes
 6131     A                                                 Yes        No           No       Insurance
 9436     A                                                 Yes       Yes          Yes

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                                      Capital                                           Capital
Loan# Property ID End of Annex A   Revenue 1      Expense 1       Expenditures 1      Revenue 2        Expense 2    Expenditures 2
- ----- ----------- --------------   ---------      ---------       --------------      ---------        ---------    --------------
<S>     <C>         <C>         <C>            <C>                 <C>             <C>             <C>             <C>
11969             
11969    A                       4,606,618.00   (2,448,227.00)             -        4,439,914.00    (2,309,536.00)  (1,931,982.00)
11969    B                               -               -                 -        2,440,576.00    (1,493,142.00)    (195,547.00)
16464    A                       3,250,935.00   (1,119,079.00)             -        3,243,627.00    (1,274,586.00)    (347,551.00)
 9691    A                       4,308,573.00   (2,408,687.00)             -        4,276,939.00    (2,503,812.00)           -
16462    A                       1,237,732.00     (267,274.00)             -          769,225.00      (261,159.00)           -
 8484    A                               -               -                 -        3,922,181.00    (1,396,513.00)        (820.00)
16363    A                       2,765,203.00   (1,263,552.00)             -        2,517,685.00    (1,266,545.00)     (70,000.00)
17918    A                       7,628,282.00   (4,522,263.00)    (1,435,744.00)    6,702,102.00    (4,225,118.00)    (883,267.00)
 8747    A                       2,053,554.00     (868,165.00)      (388,048.00)    2,116,091.00      (877,085.00)    (192,221.00)
 9529    A                       1,269,424.00     (297,710.00)             -                -                -               -
17820    A                       2,257,861.00   (1,229,916.00)             -        2,239,445.00    (1,205,321.00)           -
 9144    A                       1,782,360.00     (504,834.00)             -        1,546,586.00      (534,976.00)    (165,000.00)
 9100             
 9100    A                         849,843.00     (352,104.00)       (45,800.00)      846,122.00      (458,727.00)     (71,964.00)
 9100    B                         939,127.00     (370,110.00)       (32,041.00)      908,884.00      (385,636.00)     (82,316.00)
 9100    C                         685,612.00     (356,342.00)       (25,302.00)      743,445.00      (387,423.00)     (67,744.00)
 9100    D                       1,095,044.00     (626,985.00)       (34,846.00)    1,050,904.00      (597,276.00)     (36,689.00)
16771    A                               -               -                 -        1,734,195.00      (515,976.00)           -
 9586    A                               -               -                 -                -                -               -
11853    A                       1,355,779.00     (531,757.00)       (26,000.00)    1,313,250.00      (591,262.00)           -
 8722    A                       1,356,210.00     (547,549.00)       (56,507.00)    1,344,126.00      (561,841.00)     (71,792.00)
 9412    A                               -               -                 -                -                -               -
16718    A                       6,295,205.00   (4,273,879.00)      (362,654.00)    6,456,074.00    (4,389,168.00)    (352,113.00)
 8548    A                               -               -                 -           60,608.00       (54,504.00)           -
11931    A                               -               -                 -        2,167,792.00      (697,936.00)    (371,393.00)
12073    A                       1,517,871.00     (564,213.00)      (497,955.00)            -                -               -
 9291    A                       1,188,973.00     (241,803.00)      (190,277.00)    1,231,141.00      (246,858.00)    (132,815.00)
16814    A                       1,070,352.00     (197,146.00)             -          998,935.00      (295,406.00)           -
 5193    A                         797,606.00     (492,420.00)             -        1,302,307.00      (425,925.00)     (63,913.00)
17735    A                       1,784,878.00     (514,788.00)             -        1,773,051.00      (572,941.00)           -
 6073    A                       1,248,280.00     (389,165.00)             -        1,183,712.00      (355,827.00)           -
11472    A                       4,576,065.00   (3,498,472.00)      (164,632.00)    4,429,854.00    (3,353,262.00)    (156,558.00)
16823    A                         849,891.00     (197,488.00)      (100,635.00)      843,804.00      (216,424.00)     (75,825.00)
11423    A                       2,168,092.00     (976,750.00)             -        2,159,522.00      (936,840.00)     (86,715.00)
11516    A                       1,415,625.00     (313,817.00)             -        1,300,913.00      (277,675.00)     (16,770.00)
11721    A                         921,995.00     (286,583.00)             -          890,913.00      (313,703.00)           -
 9056    A                         508,411.00     (105,272.00)        (8,533.00)      492,281.00      (171,783.00)           -
16561    A                       1,274,251.00     (625,526.00)       (28,678.00)    1,287,278.00      (628,385.00)     (17,902.00)
16496    A                         998,711.00     (534,920.00)        (5,242.00)    1,055,973.00      (505,878.00)           -
11839    A                               -               -                 -          916,667.00      (100,317.00)      (8,266.00)
 9565    A                               -               -                 -        1,087,566.00      (404,318.00)           -
 9513    A                               -               -                 -          723,995.00      (172,664.00)           -
 8939    A                         863,986.00     (401,216.00)             -          835,620.00      (458,430.00)     (56,169.00)
17637             
17637    A                         476,959.00     (233,012.00)       (40,750.00)      484,252.00      (231,493.00)     (87,449.00)
17637    B                         606,119.00     (288,683.00)       (13,034.00)            -                -               -
 9709    A                         941,332.00     (277,380.00)       (12,402.00)      717,661.00      (244,504.00)           -
 9424    A                               -               -                 -          896,901.00      (321,427.00)           -
 9556    A                       1,167,315.00     (446,732.00)             -        1,128,621.00      (411,662.00)           -
16936    A                         965,693.00     (248,442.00)             -                -                -               -
12147    A                         723,827.00     (170,060.00)       (27,322.00)      682,316.00      (159,664.00)     (35,489.00)
16826    A                         713,971.00     (204,978.00)      (135,936.00)      700,355.00      (201,941.00)     (91,996.00)
11506    A                         919,980.00     (383,499.00)       (25,600.00)            -                -               -
11997    A                         759,400.00     (229,600.00)             -                -                -               -
12022    A                       1,198,302.00     (680,911.00)      (140,768.00)    1,175,363.00      (673,303.00)           -
 6561    A                               -               -                 -                -                -               -
11868    A                               -               -                 -        1,298,053.00      (799,556.00)     (56,749.00)
 9491    A                         741,360.00     (214,922.00)        (8,999.00)            -                -               -
11895             
11895    A                         471,889.00      (96,043.00)             -          437,231.00      (100,681.00)           -
11895    B                         329,249.00     (153,231.00)             -          334,565.00      (162,394.00)           -
16830    A                         672,217.00     (172,077.00)       (36,507.00)      680,611.00      (147,951.00)     (23,514.00)
12074    A                               -               -                 -                -                -               -
11102    A                         594,405.00       (7,352.00)             -          634,935.00       (90,072.00)           -
11552    A                               -               -                 -        1,021,564.00      (357,355.00)    (134,113.00)
 8487    A                         770,165.00     (262,430.00)       (11,971.00)      717,511.00      (217,381.00)    (245,247.00)
12075    A                               -               -                 -                -                -               -
11279    A                       2,604,788.00   (1,489,528.00)      (125,341.00)    2,507,702.00    (1,467,358.00)    (174,478.00)
17138    A                       1,654,178.00     (795,592.00)       (34,786.00)    1,500,679.00      (691,913.00)     (57,421.00)
 6019    A                               -               -                 -        1,001,434.00      (244,813.00)      (9,120.00)
17702    A                         727,923.00     (150,533.00)             -          655,751.00      (142,045.00)           -
11978    A                       1,159,311.00     (667,138.00)             -        1,048,755.00      (697,155.00)    (156,598.00)
12252    A                               -               -                 -          584,378.00      (188,471.00)      (6,199.00)
 9125    A                               -               -                 -          619,266.00      (281,134.00)           -
11207    A                         824,639.00     (314,542.00)      (129,520.00)      802,521.00      (318,676.00)    (123,960.00)
17027    A                         840,948.00     (219,623.00)             -          656,071.00      (215,560.00)           -
16820    A                         512,885.00     (124,240.00)       (52,763.00)      510,591.00      (121,921.00)     (41,265.00)
12178    A                         922,408.00     (535,821.00)             -          825,012.00      (548,771.00)           -
16609    A                         796,969.00     (225,451.00)        (6,866.00)      603,587.00      (254,383.00)      (9,258.00)
11162             
11162    A                               -               -                 -           52,600.00       (33,793.00)           -
11162    B                               -               -                 -          187,051.00       (85,389.00)           -
11162    C                               -               -                 -          216,741.00      (105,990.00)           -
12203             
12203    A                         360,774.00     (128,069.00)             -          305,576.00      (119,860.00)           -
12203    B                         274,511.00     (101,747.00)             -          293,807.00      (102,661.00)           -
11999    A                         882,426.00     (392,651.00)       (82,467.00)    1,210,923.00      (584,691.00)    (124,680.00)
11116    A                         854,873.00     (284,318.00)       (93,547.00)      749,851.00      (270,713.00)           -
11411    A                         521,983.00     (113,894.00)             -          486,369.00      (114,339.00)           -
16393    A                       3,195,326.00     (684,008.00)             -        2,184,057.00      (618,747.00)           -
16498    A                               -               -                 -                -                -               -
 9327    A                       1,094,732.00     (510,513.00)             -          989,097.00      (545,981.00)           -
 9382    A                         499,528.00     (168,815.00)        (9,226.00)      464,194.00      (167,432.00)      (4,963.00)
11687    A                       1,228,353.00     (562,723.00)       (31,214.00)    1,203,424.00      (590,259.00)     (63,487.00)
 9422    A                         510,174.00      (71,799.00)             -          448,348.00       (91,755.00)           -
11845    A                               -               -                 -          492,741.00      (156,571.00)     (38,747.00)
16829    A                         400,888.00     (102,875.00)       (39,547.00)      405,026.00      (108,559.00)     (36,256.00)
12033    A                         484,562.00     (211,252.00)             -                -                -               -
 9280    A                         405,956.00      (69,894.00)             -          397,449.00       (93,931.00)      (7,469.00)
12253    A                         430,401.00     (160,631.00)             -          407,947.00      (163,476.00)           -
16957    A                         521,214.00     (116,406.00)             -          546,433.00      (118,761.00)           -
17417    A                       1,028,773.00     (527,732.00)       (64,363.00)      373,847.00      (232,507.00)     (29,980.00)
17137    A                         885,687.00     (387,468.00)       (35,041.00)      818,013.00      (370,719.00)     (43,437.00)
17140    A                         887,900.00     (421,150.00)       (49,721.00)      862,973.00      (390,440.00)     (50,216.00)
11647    A                         353,747.00     (106,520.00)             -          352,386.00       (87,183.00)     (12,000.00)
17194    A                               -               -                 -          350,498.00       (42,490.00)           -
11260    A                         488,257.00      (72,763.00)             -                -                -               -
 9072    A                         466,234.00      (67,022.00)             -          460,193.00      (105,272.00)      (2,306.00)
17704    A                         857,329.00     (423,580.00)       (58,188.00)      894,434.00      (420,997.00)     (29,758.00)
12257    A                         832,297.00     (361,226.00)             -          830,869.00      (361,742.00)     (15,828.00)
11851    A                               -               -                 -        1,330,641.00      (293,762.00)     (24,499.00)
11098    A                               -               -                 -          529,334.00      (486,422.00)     (40,142.00)
11599    A                         284,551.00      (54,019.00)        (4,275.00)      232,302.00       (48,739.00)     (44,069.00)
11265    A                         330,663.00      (49,464.00)             -                -                -               -
 5296    A                         921,733.00     (415,626.00)       (89,729.00)      718,339.00      (304,472.00)     (80,970.00)
17741    A                         422,718.00     (113,079.00)             -          390,266.00      (111,900.00)           -
12050    A                               -               -                 -          382,008.00      (117,730.00)     (58,341.00)
11639    A                               -               -                 -                -                -               -
17187    A                               -               -                 -          297,978.00       (99,134.00)           -
11272    A                         492,707.00     (168,075.00)        (8,764.00)      451,064.00      (208,434.00)           -
11384    A                         648,744.00     (234,242.00)       (12,936.00)      592,823.00      (248,183.00)           -
 9328    A                         593,860.00     (299,268.00)             -          539,581.00      (286,263.00)           -
16956    A                         352,506.00      (70,184.00)             -          344,252.00       (72,960.00)           -
 6129    A                               -               -                 -          613,901.00      (342,515.00)     (30,114.00)
 8673             
 8673    A                               -               -                 -          120,904.00       (53,708.00)           -
 8673    B                               -               -                 -          165,667.00       (73,589.00)           -
 6131    A                               -               -                 -          560,710.00      (252,894.00)      (8,631.00)
 9436    A                               -               -                 -          122,298.00       (28,055.00)           -

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                                                        Capital                                       U/W Capital
Loan#  Property ID    Revenue 3       Expense 3     Expenditures 3     U/W Revenue     U/W Expense    Expenditures    ApComitTreas
- -----  -----------    ---------       ---------     --------------     -----------     -----------    ------------    ------------
<S>      <C>        <C>            <C>              <C>              <C>             <C>               <C>               <C>       
11969                
11969     A          3,929,506.00  (2,316,938.00)     (894,662.00)    4,641,525.00   (2,451,762.00)    (330,916.00)
11969     B          2,620,829.00  (1,518,928.00)     (132,656.00)    2,322,636.00   (1,395,437.00)    (260,546.00)
16464     A          3,088,417.00  (1,275,588.00)   (1,010,849.00)    3,356,609.00   (1,156,343.00)     (45,256.00)
 9691     A          4,234,902.00  (2,564,792.00)            -        4,275,498.00   (2,388,021.00)    (146,000.00)       4.750%
16462     A                  -              -                -        1,646,195.00     (298,716.00)     (58,435.00)
 8484     A          2,690,077.00    (858,425.00)      (63,956.00)    4,538,746.00   (1,634,756.00)    (117,672.00)       5.850%
16363     A          2,332,151.00  (1,205,269.00)     (103,525.00)    2,774,018.00   (1,335,170.00)     (43,264.00)       4.370%
17918     A          5,331,844.00  (3,685,859.00)     (856,284.00)    6,620,739.00   (4,160,098.00)  (1,012,162.00)       5.000%
 8747     A          2,044,341.00    (892,062.00)     (165,812.00)    2,050,710.00     (851,467.00)     (71,000.00)
 9529     A                  -              -                -        1,356,337.00     (306,231.00)     (23,814.00)       5.600%
17820     A          2,350,596.00  (1,290,230.00)            -        2,303,716.00   (1,253,902.00)     (32,056.00)       4.800%
 9144     A          1,243,304.00    (816,324.00)            -        1,735,930.00     (631,240.00)     (45,892.00)       6.800%
 9100                                                                                                                     4.800%
 9100     A            862,142.00    (373,714.00)      (74,608.00)      849,843.00     (417,006.00)     (89,965.00)
 9100     B            937,143.00    (406,147.00)      (91,476.00)      936,792.00     (475,146.00)     (98,840.00)
 9100     C            661,899.00    (361,061.00)      (47,660.00)      685,612.00     (386,122.00)     (59,583.00)
 9100     D            967,221.00    (457,989.00)      (48,865.00)    1,095,044.00     (658,937.00)     (89,598.00)
16771     A          1,494,023.00    (569,140.00)            -        1,949,390.00     (643,447.00)     (24,750.00)
 9586     A                  -              -                -        1,005,086.00     (197,084.00)     (36,991.00)
11853     A          1,258,502.00    (579,560.00)            -        1,487,983.00     (682,947.00)     (34,750.00)
 8722     A          1,172,662.00    (405,292.00)      (84,451.00)    1,323,848.00     (527,588.00)     (43,000.00)
 9412     A                  -              -                -          839,325.00      (33,573.00)     (40,654.00)
16718     A          5,785,460.00  (4,178,142.00)     (384,155.00)    5,791,183.00   (4,085,004.00)    (639,170.00)       5.000%
 8548     A             40,405.00     (36,336.00)            -        1,097,004.00     (274,906.00)     (50,166.00)
11931     A            922,416.00    (548,004.00)     (268,971.00)    2,687,326.00   (1,144,066.00)    (253,348.00)       4.700%
12073     A                  -              -                -        1,672,042.00     (486,238.00)    (193,722.00)       5.650%
 9291     A          1,119,814.00    (137,156.00)     (111,129.00)    1,223,079.00     (314,747.00)     (65,011.00)
16814     A            725,380.00    (300,813.00)            -        1,037,327.00     (234,171.00)     (37,672.00)       4.950%
 5193     A          1,200,776.00    (398,785.00)      (63,913.00)    1,200,776.00     (420,302.00)     (70,486.00)
17735     A          1,649,286.00    (564,328.00)            -        1,711,236.00     (602,765.00)     (90,981.00)       4.950%
 6073     A          1,103,355.00    (364,104.00)            -        1,333,549.00     (378,469.00)     (89,769.00)
11472     A          3,717,836.00  (3,093,048.00)     (160,028.00)    4,576,065.00   (3,442,526.00)    (294,895.00)
16823     A            823,251.00    (186,688.00)      (77,053.00)      874,139.00     (226,883.00)     (62,813.00)
11423     A          2,075,155.00    (869,347.00)      (60,099.00)    2,158,133.00   (1,004,957.00)     (81,324.00)
11516     A          1,222,190.00    (341,088.00)       (8,066.00)    1,161,808.00     (307,226.00)     (56,136.00)
11721     A            824,899.00    (340,118.00)            -          956,951.00     (307,125.00)     (25,250.00)
 9056     A            417,274.00     (98,843.00)            -          877,809.00     (166,276.00)     (20,805.00)
16561     A          1,242,673.00    (645,324.00)      (19,579.00)    1,281,065.00     (644,751.00)     (42,000.00)       5.100%
16496     A          1,267,996.00    (526,075.00)            -        1,126,805.00     (564,117.00)     (26,215.00)       4.980%
11839     A          1,083,333.00     (90,224.00)      (87,337.00)      950,000.00      (80,922.00)    (118,873.00)       5.550%
 9565     A          1,025,099.00    (381,284.00)      (38,000.00)    1,106,471.00     (447,950.00)     (90,808.00)
 9513     A            684,965.00    (202,886.00)            -          745,558.00     (194,173.00)     (27,871.00)
 8939     A            641,893.00    (487,732.00)     (182,112.00)    1,096,032.00     (461,249.00)     (68,134.00)
17637                                                                                                                     5.000%
17637     A            400,754.00    (250,176.00)            -          466,416.00     (217,420.00)     (15,000.00)
17637     B            593,545.00    (258,616.00)      (30,000.00)      623,188.00     (310,623.00)     (30,500.00)
 9709     A            879,136.00    (264,381.00)      (22,945.00)      765,797.00     (227,221.00)     (28,595.00)
 9424     A            839,955.00    (339,249.00)            -          904,069.00     (346,462.00)     (18,950.00)
 9556     A          1,073,918.00    (375,357.00)            -        1,081,262.00     (442,874.00)     (54,908.00)
16936     A                  -              -                -          917,408.00     (248,867.00)     (53,414.00)       4.750%
12147     A            644,714.00    (159,328.00)       (5,000.00)      713,198.00     (191,710.00)     (37,562.00)       4.650%
16826     A            758,441.00    (202,594.00)      (97,690.00)      776,979.00     (225,803.00)     (63,095.00)
11506     A                  -              -                -          940,800.00     (402,685.00)     (32,000.00)
11997     A                  -              -                -          765,054.00     (245,361.00)     (22,525.00)
12022     A          1,138,060.00    (646,602.00)            -        1,179,995.00     (629,511.00)     (50,750.00)       5.600%
 6561     A                  -              -                -          914,459.00     (260,203.00)     (34,989.00)
11868     A          1,253,128.00    (812,846.00)      (19,425.00)    1,311,204.00     (787,208.00)     (10,319.00)
 9491     A                  -              -                -          791,702.00     (197,865.00)     (51,594.00)
11895                                                                                                                     4.900%
11895     A            427,648.00    (104,131.00)            -          492,990.00     (113,894.00)     (17,861.00)
11895     B            307,092.00    (132,161.00)            -          329,403.00     (123,916.00)      (3,487.00)
16830     A            660,060.00    (157,643.00)      (61,650.00)      675,229.00     (162,071.00)     (55,802.00)
12074     A                  -              -                -          598,653.00     (144,275.00)     (12,478.00)
11102     A            269,233.00     (44,233.00)            -          564,685.00      (28,234.00)     (38,928.00)
11552     A            983,520.00    (378,878.00)      (37,657.00)    1,229,249.00     (413,602.00)     (74,831.00)
 8487     A            621,525.00    (236,594.00)      (10,387.00)      751,253.00     (243,449.00)     (26,882.00)       5.650%
12075     A                  -              -                -          522,177.00     (107,287.00)      (8,953.00)
11279     A          2,519,713.00  (1,410,745.00)      (17,966.00)    2,563,379.00   (1,545,151.00)     (37,125.00)
17138     A                  -              -                -        1,540,234.00     (880,816.00)    (127,926.00)       4.950%
 6019     A          1,254,627.00    (218,541.00)     (521,720.00)      832,684.00     (260,498.00)     (46,214.00)
17702     A            637,567.00    (159,791.00)            -          640,867.00     (154,667.00)     (39,343.00)       4.700%
11978     A            993,291.00    (597,743.00)     (406,104.00)    1,262,309.00     (681,081.00)     (76,500.00)       5.250%
12252     A            572,056.00    (181,186.00)      (10,795.00)      596,281.00     (200,330.00)     (15,500.00)
 9125     A            625,718.00    (325,185.00)            -          644,031.00     (283,499.00)     (22,000.00)
11207     A            809,815.00    (301,301.00)      (42,022.00)      776,770.00     (362,818.00)     (45,419.00)
17027     A            632,241.00    (266,553.00)            -          746,190.00     (274,614.00)     (46,642.00)       4.250%
16820     A            475,940.00    (116,733.00)      (34,960.00)      506,754.00     (130,874.00)     (32,816.00)
12178     A                  -              -                -          916,730.00     (533,650.00)     (10,715.00)
16609     A            542,252.00    (144,216.00)       (3,977.00)      888,337.00     (250,278.00)     (12,350.00)
11162                
11162     A             50,769.00     (27,836.00)            -           70,621.00      (35,844.00)      (2,024.00)
11162     B            187,983.00     (77,267.00)            -          240,249.00      (89,303.00)      (5,020.00)
11162     C            164,363.00     (89,070.00)            -          283,500.00     (109,251.00)      (1,750.00)
12203                                                                                                                     4.900%
12203     A            229,182.00     (89,896.00)            -          363,575.00     (162,926.00)     (14,000.00)
12203     B            220,355.00     (84,329.00)            -          280,211.00     (121,672.00)     (10,000.00)
11999     A            913,500.00    (586,523.00)      (58,754.00)    1,211,720.00     (593,065.00)    (188,451.00)       4.950%
11116     A            740,103.00    (326,886.00)            -          890,079.00     (294,345.00)     (41,245.00)
11411     A            420,794.00    (101,794.00)            -          521,983.00     (156,037.00)      (8,332.00)
16393     A          2,238,500.00    (645,510.00)            -          384,713.00      (74,997.00)     (14,440.00)
16498     A                  -              -                -          398,605.00      (17,714.00)     (59,286.00)
 9327     A            985,190.00    (541,873.00)            -        1,101,941.00     (566,513.00)     (36,750.00)
 9382     A            409,417.00    (142,208.00)            -          522,673.00     (170,345.00)     (34,087.00)       5.950%
11687     A          1,176,693.00    (626,295.00)      (58,366.00)    1,201,293.00     (609,299.00)     (43,175.00)
 9422     A            404,585.00    (103,455.00)            -          446,694.00      (98,599.00)     (40,092.00)
11845     A            407,622.00    (165,007.00)     (266,064.00)      513,124.00     (166,179.00)     (45,595.00)       5.750%
16829     A            370,794.00    (108,158.00)      (48,844.00)      416,066.00     (117,789.00)     (36,391.00)
12033     A                  -              -                -          500,496.00     (220,864.00)     (11,527.00)       4.600%
 9280     A            375,764.00     (84,212.00)       (7,459.00)      373,853.00      (95,829.00)     (21,375.00)
12253     A            385,950.00    (145,205.00)            -          437,546.00     (166,320.00)     (12,500.00)
16957     A            485,576.00    (119,821.00)            -          506,473.00     (121,786.00)     (27,503.00)       4.900%
17417     A                  -              -                -        1,028,773.00     (584,738.00)     (85,599.00)       4.800%
17137     A            879,044.00    (371,245.00)      (34,762.00)      818,013.00     (449,635.00)     (81,834.00)       4.950%
17140     A            720,142.00    (343,413.00)      (36,584.00)      832,111.00     (411,540.00)     (92,085.00)       4.750%
11647     A                  -              -                -          352,205.00     (100,338.00)      (8,500.00)
17194     A            359,107.00     (42,408.00)            -          383,826.00      (70,008.00)     (12,410.00)       4.500%
11260     A                  -              -                -          491,985.00     (103,970.00)     (20,436.00)
 9072     A            454,843.00     (98,921.00)       (3,961.00)      425,321.00     (108,136.00)     (15,153.00)
17704     A            991,807.00    (414,276.00)      (76,016.00)      857,329.00     (426,160.00)     (98,230.00)       4.900%
12257     A            847,424.00    (312,645.00)      (15,663.00)      820,239.00     (385,718.00)     (40,903.00)       5.700%
11851     A          1,381,543.00    (430,741.00)      (26,999.00)    1,275,899.00     (384,703.00)     (84,160.00)
11098     A            520,578.00    (481,484.00)      (40,142.00)      581,254.00     (304,279.00)     (20,056.00)
11599     A            170,740.00     (42,569.00)       (2,429.00)      345,367.00      (99,230.00)     (26,710.00)       5.600%
11265     A                  -              -                -          368,666.00      (75,721.00)     (11,987.00)
 5296     A                  -              -                -          921,733.00     (502,625.00)    (103,728.00)
17741     A            340,178.00     (86,270.00)            -          393,766.00     (132,165.00)      (9,550.00)       4.750%
12050     A            366,030.00    (124,529.00)      (74,490.00)      394,347.00     (130,449.00)     (20,223.00)
11639     A                  -              -                -          386,650.00      (19,333.00)      (8,000.00)
17187     A            308,931.00    (144,747.00)            -          326,825.00     (117,947.00)     (18,024.00)       4.600%
11272     A            432,119.00    (189,278.00)            -          435,806.00     (209,262.00)     (37,556.00)
11384     A            577,622.00    (241,369.00)            -          531,413.00     (249,650.00)     (45,445.00)
 9328     A            513,016.00    (299,673.00)            -          579,524.00     (298,478.00)     (21,500.00)
16956     A            334,278.00     (68,251.00)       (3,000.00)      349,496.00      (80,944.00)     (21,448.00)       4.900%
 6129     A            631,814.00    (408,293.00)      (21,504.00)      692,897.00     (358,089.00)     (62,918.00)
 8673                
 8673     A            122,494.00     (57,835.00)            -          129,565.00      (57,507.00)      (2,763.00)
 8673     B            167,844.00     (79,248.00)            -          177,535.00      (78,797.00)      (3,787.00)
 6131     A            567,686.00    (226,241.00)       (6,415.00)      604,829.00     (261,010.00)     (65,557.00)
 9436     A            115,061.00     (42,267.00)            -          140,012.00      (28,900.00)     (10,075.00)       5.750%

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


                      Min U/W     Refi      Maximum     Original      Original       Original
Loan#  Property ID     DSCR     Constant      LTV       Balance 2      Term 2     Amortization 2   End Of Calc
- -----  -----------     ----     --------      ---       ---------      ------     --------------   -----------
<S>      <C>          <C>        <C>        <C>          <C>           <C>          <C>              <C>
11969                  1.19       9.30%      74.30%
11969     A
11969     B
16464     A            1.24       9.30%      60.00%
 9691     A            1.32       8.90%      67.00%
16462     A            1.2        9.30%      74.80%
 8484     A            2.52       9.30%      45.00%
16363     A            1.5        8.90%      64.00%
17918     A            1.45      10.50%      68.87%
 8747     A            1.32       8.90%      68.00%
 9529     A            1.18       9.21%      75.80%
17820     A            1.38       9.30%      70.00%
 9144     A            1.51       9.24%      58.90%
 9100                  1.89      10.50%      75.00%
 9100     A
 9100     B
 9100     C
 9100     D
16771     A            2          8.90%      43.70%
 9586     A            1.2        9.30%      61.95%
11853     A            1.27       8.90%      73.03%
 8722     A            1.29       8.90%      73.99%
 9412     A            1.23       9.70%      74.85%
16718     A            1.6       10.50%      60.00%
 8548     A            1.3        9.30%      75.00%
11931     A            2.58       9.30%      37.70%
12073     A            1.75       9.30%      55.00%
 9291     A            1.47       9.70%      60.00%
16814     A            1.4        9.70%      70.00%
 5193     A            1.35       9.30%      65.60%
17735     A            1.73       9.30%      55.00%
 6073     A            1.71       9.24%      59.10%
11472     A            1.48      10.50%      70.00%
16823     A            1.26       9.30%      75.00%
11423     A            2.51       8.90%      50.00%
11516     A            1.6        9.30%      65.00%
11721     A            1.37       8.90%      61.73%
 9056     A            1.55       9.30%      62.67%
16561     A            1.45       8.90%      65.00%
16496     A            1.28       9.30%      71.50%
11839     A            1.59       9.30%      50.00%
 9565     A            1.41       9.30%      69.92%
 9513     A            1.2        9.30%      71.67%     375000           84                84
 8939     A            1.38       9.30%      70.80%
17637                  1.4        8.90%      75.00%
17637     A
17637     B
 9709     A            1.25       9.30%      61.27%
 9424     A            1.43       8.90%      65.00%
 9556     A            1.56       8.90%      71.19%
16936     A            1.57       9.30%      63.60%
12147     A            1.26       9.30%      73.10%
16826     A            1.28       9.30%      75.00%
11506     A            1.33       8.90%      78.30%
11997     A            1.39       8.90%      78.24%
12022     A            1.42       8.90%      67.00%
 6561     A            1.53      10.10%      51.00%
11868     A            1.37       9.30%      53.33%
 9491     A            1.33       9.30%      73.15%
11895                  1.4       10.30%      60.40%
11895     A
11895     B
16830     A            1.27       9.30%      72.00%
12074     A            1.31       8.90%      80.00%
11102     A            1.43       9.30%      71.00%
11552     A            1.98       9.30%      41.11%
 8487     A            1.34      10.10%      70.00%
12075     A            1.23       8.90%      80.00%
11279     A            3         10.50%      34.80%
17138     A            1.46      10.50%      70.00%
 6019     A            1.57       9.30%      50.80%
17702     A            1.34      10.10%      70.00%
11978     A            1.64       8.90%      50.00%
12252     A            1.37       8.90%      75.00%
 9125     A            1.22       8.90%      75.00%
11207     A            1.26       9.30%      72.09%
17027     A            1.4        9.30%      65.00%
16820     A            1.25       9.30%      75.00%
12178     A            1.3        9.30%      72.50%
16609     A            2.1       10.65%      44.00%
11162                  1.23       8.90%      80.00%
11162     A
11162     B
11162     C
12203                  1.4        8.90%      75.00%
12203     A
12203     B
11999     A            1.55      10.50%      68.80%
11116     A            2.19       9.70%      30.50%
11411     A            1.3       10.65%      65.00%
16393     A            1.4        9.30%      70.00%
16498     A            1.31       9.30%      73.60%
 9327     A            2.03       8.90%      55.87%
 9382     A            1.4        9.30%      68.00%
11687     A            2.55       8.90%      42.00%
 9422     A            1.38       9.30%      69.00%
11845     A            1.3       10.10%      66.67%
16829     A            1.25       9.30%      72.00%
12033     A            1.32       8.90%      74.20%
 9280     A            1.25       9.30%      78.57%
12253     A            1.3        8.90%      77.52%
16957     A            1.78       9.30%      55.00%
17417     A            1.63      10.50%      63.60%
17137     A            1.45      10.50%      70.00%
17140     A            1.56      10.50%      53.00%
11647     A            1.39       8.90%      67.80%
17194     A            1.3       11.33%      54.00%
11260     A            1.97       9.30%      60.00%
 9072     A            1.5       10.10%      54.41%
17704     A            1.54      10.50%      64.00%
12257     A            2.24       9.30%      28.80%
11851     A            4.78       9.30%      18.37%
11098     A            1.61       8.90%      61.00%
11599     A            1.33       9.70%      64.00%
11265     A            1.84       9.30%      60.00%
 5296     A            1.63      10.50%      69.60%
17741     A            1.52       8.90%      70.00%
12050     A            1.52      10.10%      65.00%
11639     A            2.59       9.30%      36.50%
17187     A            1.3       10.10%      75.00%
11272     A            1.43       9.30%      57.10%
11384     A            1.89       9.30%      40.00%
 9328     A            1.99       8.90%      59.00%
16956     A            2.1        9.50%      55.00%
 6129     A            1.96       9.30%      34.87%
 8673                  1.32       8.90%      76.40%
 8673     A
 8673     B
 6131     A            2.18       9.30%      27.50%
 9436     A            1.35      10.10%      70.50%

</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION


Loan#  Property ID                                 Borrower Entity                                        Entity Type     
- -----  -----------                                 ---------------                                        -----------     
<S>       <C>       <C>                                                                            <C>
11969               Founders 14, LLC                                                               LLC                    
11969     A         Founders 14 LLC                                                                LLC
11969     B         Founders 14 LLC                                                                LLC
16464     A         Pacific Oceanside Holdings, LP                                                 LP                     
 9691     A         Intown West Associates, LP                                                     Limited Partnership    
16462     A         Pacific National City Holdings, LP                                             LP                     
 8484     A         Eden Center, Inc.                                                              Corporation            
16363     A         What Cheer Realty Co., LP                                                      LP                     
17918     A         Seven Seas Assoc., LLC                                                         LLC                    
 8747     A         Hamilton Station LLC                                                           LLC                    
 9529     A         ETC Properties, LP                                                             LP                     
17820     A         Nassau Bay Associates LP                                                       Limited Partnership    
 9144     A         Regent Place Apartments                                                        LLC                    
 9100                                                                                                                     
 9100     A         OHM Associate, Inc.                                                            Corporation
 9100     B         Shree Sava, LLC                                                                LLC
 9100     C         Maggan and Patidar Associates, Inc.                                            Corporation
 9100     D         HARI OM Associates, Inc.                                                       Corporation
16771     A         J&R Kalimian Trust                                                             Trust                  
 9586     A         Beiser Group, LLC                                                              LLC
11853     A         University Residence, Inc.                                                     Corporation            
 8722     A         The Lakes Apartments, LLC                                                      LLC                    
 9412     A         Quarry Road 2, LLC                                                             LLC                    
16718     A         Gateway Inn, LLC                                                               LLC                    
 8548     A         HPRA, L.P.                                                                     LP                     
11931     A         Broad Prince Realty Corp.                                                      Corporation            
12073     A         MERS-Stoneridge Limited Partnership                                            LP                     
 9291     A         Columbus Southside, LLC                                                        LLC                    
16814     A         Mart Limited Partnership                                                       LP
 5193     A         Encino Medical Towers, LLC                                                     LLC                    
17735     A         Elo Realty Corporation                                                         Corporation            
 6073     A         BFB Partners, LLC                                                              LLC
11472     A         Sat Naam Resorts, Inc.                                                         Corporation            
16823     A         Simi C.C., LLC                                                                 LLC
11423     A         The Nevada Tropicana Royale Partners, LLC                                      LLC                    
11516     A         Kingsbury Square, Inc.                                                         Corporation            
11721     A         Strathmore/Orkney LLC                                                          LLC                    
 9056     A         Highlander Center, LLC                                                         LLC                    
16561     A         Newton West Limited                                                            Limited Partnership    
16496     A         Tiffany Corners, LLC                                                           LLC                    
11839     A         Seymour R. Powers, Trustee and Danbury Industrial Corporation                  Corporation and Trust  
 9565     A         Washington Tower LP                                                            LP                     
 9513     A         J.G.M.C.J. Corp.                                                               Corporation            
 8939     A         RPD Properties II, LLC                                                         LLC                    
17637               Duluth Highland Chateau Apts, Inc. and Georgetown Apts, Inc.                   Corporation            
17637     A         Georgetown Apartments, Inc.                                                    Corporation
17637     B         Georgetown Apartments, Inc.                                                    Corporation
 9709     A         Evergreen Valley Plaza LLC                                                     LLC                    
 9424     A         Brookwood Associates, LP                                                       LP                     
 9556     A         Victoria Partners, Ltd LLLP                                                    LLLP                   
16936     A         Old Post Road Associates, LLC                                                  LLC
12147     A         Kingman Square, Inc.                                                           Corporation            
16826     A         V.B.P. II, LLC                                                                 LLC                    
11506     A         Marlton Meadows Investors, LP                                                  LP                     
11997     A         Kittridge Properties, LLC                                                      LLC                    
12022     A         Madison Park, LP                                                               LP                     
 6561     A         Evergreen Valley Estates, LLC                                                  LLC                    
11868     A         Davidim, AG (Ltd)                                                              Corporation            
 9491     A         Rubel Street Partnership                                                       LP                     
11895               Sunnyvale Alberta, LLC                                                         LLC                    
11895     A         David and Sandra Wilson
11895     B         David and Sandra Wilson
16830     A         N.P.C.C., LLC                                                                  LLC                    
12074     A         325 East Main, LLC                                                             LLC                    
11102     A         1509 Glen Avenue Associates LLC                                                LLC                    
11552     A         Lake Hills Shopping Center                                                     LLC                    
 8487     A         MILJER, LLC                                                                    LLC                    
12075     A         123 East Main, LLC                                                             LLC                    
11279     A         The Springs of Scottsdale, LLC                                                 LLC                    
17138     A         Hamilton Hospitality Inc.                                                      Corporation            
 6019     A         Cardinal Broadway Partners                                                     GP                     
17702     A         Encinitas Center Partners                                                      Limited Partnership    
11978     A         Timber Creek Associates, LP                                                    LP
12252     A         Haverford Avenue Associates, LP                                                LP                     
 9125     A         SAS Wyndmoor Properties LP                                                     LP                     
11207     A         Encanto Plaza, LLC                                                             LLC                    
17027     A         Budwey Supermakets, Inc.                                                       Corporation            
16820     A         S.B.P.W., LLC                                                                  LLC                    
12178     A         AE-Drexel Assoc., LP                                                           LP                     
16609     A         Simi Lock-Up, LLC                                                              LLC                    
11162               105 East 37th Street LLC, 37 Charles Street LLC, 234 East 81st Street LLC      LLC                    
11162     A         Pine Beil                                                                      LLC
11162     B         Pine Beil                                                                      LLC
11162     C                                                                                        LLC
12203               RHG Properties, Inc. and Terrace Rex, Inc.                                     Corporation            
12203     A         RHG Properties, Inc.                                                           Corporation
12203     B         Terrace Rex, Inc.                                                              Corporation
11999     A         Indrapat Enterprise, LLC                                                       LLC                    
11116     A         HS Investors                                                                   LLC                    
11411     A         Peoples Storage Everett, LLC                                                   LLC                    
16393     A         Pacific Solana Beach Holdings, LP                                              Limited Partnership    
16498     A         White Brothers Investments, LLC                                                LLC                    
 9327     A         The Shawmont Limited Partnership                                               LP                     
 9382     A         Grand Pacific Seattle LLC                                                      LLC                    
11687     A         Nicollet Village, LLC                                                          LLC                    
 9422     A         Houma Plaza Management Corp.                                                   LLC                    
11845     A         Kenneth S. Ray, Inc.
16829     A         V.B.P. III, LLC                                                                LLC                    
12033     A         Montclair Arms, L.L.C.                                                         LLC                    
 9280     A         State Center Saginaw Associates, LLC                                           LLC                    
12253     A         Merion Court Investors, LP                                                     LP                     
16957     A         TBD                                                                            LLC                    
17417     A         Vishal, Inc.                                                                   Corporation            
17137     A         Shree Hari Ltd.                                                                Corporation
17140     A         Augustinus Wenas                                                                                      
11647     A         Castle Properties, LLC                                                         LLC                    
17194     A         Broadway Ocean Enterprise                                                      Limited Partnership    
11260     A         12th Street Entertainment Associates                                           LLC                    
 9072     A         Tully Commercial LLC                                                           LLC                    
17704     A         Hixon Hotel Partners                                                           Limited Partnership    
12257     A         Yellowstone Shopping Center Co., LLC                                           LLC                    
11851     A         Turnpike Shopping Center, LLC                                                  LLC                    
11098     A         Lowden Gardens, Inc.                                                           Corporation            
11599     A         Sandy Plaza, LLC                                                               LLC                    
11265     A         Multi-Media Development Associates                                             LLC                    
 5296     A         Holland Hotels Inc.                                                            Corporation and LP     
17741     A         SVMHC, LP                                                                      LP                     
12050     A         Hilltop Center Limited Partnership                                             LP                     
11639     A         Oak Hall, LLC                                                                  LLC                    
17187     A         North La Cienga Associates, LLC                                                LLC                    
11272     A         J & C Associates II, LLC                                                       LLC                    
11384     A         J & C Associates I, LLC                                                        LLC                    
 9328     A         Domino Limited Partnership                                                     LP                     
16956     A         TBD                                                                            LLC                    
 6129     A         Phoenix Santa Fe Partners, LP                                                  LP                     
 8673               Pittsford Capital Mobile Home Parks, LP                                        LP                     
 8673     A         
 8673     B         
 6131     A         Phoenix 19th Avenue Partners, LP                                               LP                     
 9436     A         Camphill Equities, LP                                                          LP                     
                    
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

Loan#  Property ID                GP                           Actual Funding Date    Grace Period        3rd Largest Tenant
- -----  -----------                --                           -------------------    ------------        ------------------
<S>      <C>       <C>                                              <C>                    <C>           <C>
11969              RPD Properties V, LLC                            08/07/98               10
11969     A                                                                                              Sprint
11969     B                                                                                              DAC of the United
                                                                                                           Methodist Church
16464     A        Ernest Rady Trust                                09/11/98               10            SCT
 9691     A        Howard Chamberlain                               01/04/99                5
16462     A        Ernest Rady Trust                                10/01/98               10            Ross Stores, Inc.
                     Inc. / Traco I                                 08/14/98               10
 8484     A        Norman Ebenstein                                 05/28/98                5            Ritz
16363     A        Two Forty-Seven East 28th Corp.                  09/29/98                5
17918     A        Eric Horodas                                     01/05/99                5
 8747     A        Hamilton Station Management Co.                  09/11/98                5
 9529     A        Alfred Cullere                                   10/30/98                5            Pet Valu
17820     A        Robert Tannenheuser                              12/30/98                5            Emuna
 9144     A        Curtis S. Tamkin & Penobscot Inc.                07/13/98                5
 9100              Mahesh Patidar                                   01/11/99         
 9100     A        
 9100     B        
 9100     C        
 9100     D        
16771     A        Ataollah "Ed" Kalimian                           09/28/98               10
 9586     A                                                         10/20/98                5            Aaron Rents
11853     A        Michael Jaffe                                    10/02/98               10
 8722     A        George C. Woodruff, Jr.                          09/11/98                5
 9412     A        Robert D. Scinto                                 09/22/98                5
16718     A        Gerald Miller                                    01/05/99                5
 8548     A        Walter Smerconish & HPRA                         09/23/98                5            Glenn A. DeBias, D.O.
11931     A        Richard Feldman                                  12/23/98                5            DIB Management
12073     A        N.G.U. Corporation                               10/16/98                5            Electronic Data Systems
 9291     A        Billy Ivey & HI                                  09/18/98                5            Mustard Seed
16814     A                                                         12/11/98                5            Mattress Palace
 5193     A        Richard M. Pachulski                             11/12/98               10            Shiener, Allen M.D.
17735     A        Jack Elo                                         12/30/98                5            Alex Sepicus
 6073     A                                                         10/19/98                5            Alessi
11472     A        Bhupinder Singh Sakaria                          09/29/98                5
16823     A        Gary Leff & Leff Family Trust &
                     Belfield Family Trust                          10/07/98                5            New Life Center
11423     A        Stanley Scherdorf                                10/05/98                5
11516     A        Brian S. Tedeschi & Kingsbury SPM                09/25/98                5            Fashion Bug
11721     A        Bruce Percelay                                   09/17/98                5
 9056     A        DHM Development                                  07/30/98               10            Hill Top Cleaners
16561     A        Alfred Cullere                                   12/22/98                5
16496     A        John Bentley                                     11/06/98                5            Greenbacks
11839     A        Seymour Powers                                   11/04/98                5
 9565     A        W. Robert Dyer, Jr. & WT GP                      08/26/98               10            Tunell & Herzog, MD
 9513     A        John B. Sullivan                                 09/14/98                5            Currer Graphics
 8939     A        Richard M. Pachulski                             10/14/98               10            Blockbuster
17637              George Sherman                                   12/24/98                5
17637     A        
17637     B        
 9709     A        Lawrence Allen Krause & Martin Landis            07/01/98                5            Yuri Japanese
 9424     A        William R. Block                                 09/23/98                5
 9556     A        John A. Moritz                                   09/30/98                5
16936     A                                                         11/23/98               10
12147     A        James Cheston                                    11/13/98                5            Hasting Books & Music
16826     A        Gary Leff                                        10/15/98                5            Coalition Against
11506     A        Malton Meadows Investors Inc.                    06/24/98                5
11997     A        Raymond Torbati & Task International
                     Group, Inc.                                    09/17/98               10
12022     A        Mark Knoblach                                    10/30/98                5
 6561     A        Woo Properties, L.P.                             10/09/98                5            Mien Trung Vietnamese
                                                                                                           Restaurant
11868     A        Ernst Nussbaumer                                 10/09/98                5            Jenelo Corporation
 9491     A        Louis P. Pektor, III                             08/20/98                5            Ashley Development
11895              David Wilson                                     12/31/98                5
11895     A        
11895     B        
16830     A        Gary Leff                                        10/07/98                5            Phillips Ltd.
12074     A        Brock Vinton                                     11/04/98                5
11102     A        William Goldstein                                07/14/98               10
11552     A        Samuel I. Roberts                                09/15/98               10            Harper Fires
 8487     A        Andrew L. Miller                                 11/09/98                5            Tilton Beauty Supply
12075     A        Brock Vinton & 123 East Main Manager, Inc.       11/04/98                5            Sasha Temko
11279     A        TSOS, Inc.                                       10/23/98                5
17138     A        Atul Patel                                       12/23/98                5
 6019     A        Joe Crail                                        06/01/98               10            Determined Productions
17702     A        K-M Management, Inc.                             12/31/98                5            Precision Tune
11978     A                                                         12/21/98                5
12252     A        Alan Scott Fagan                                 10/14/98                5
 9125     A        Robert A. Shoemaker                              10/16/98                5
11207     A        Richard  B. Sheinfeld                            07/09/98                5            Data Systems of Arizona
17027     A        Frank Budwey                                     12/10/98               10            Mt. Mary
16820     A        Gary Leff                                        10/07/98                5            Circuit Express
12178     A        David Marshall                                   09/25/98                5            Alstin Advertising Inc.
16609     A        Gary Leff                                        10/07/98                5            N/A
11162              Stanley Pine - 50%                               07/22/98                5
11162     A        
11162     B        
11162     C        
12203              Mark Rodberg                                     12/22/98                5
12203     A        
12203     B        
11999     A        Suman V. Patel                                   11/05/98                5
11116     A        Morton A. Seigler Ins. Trust                     08/20/98                5            Marty's Shoes
11411     A        Ben G. Holt                                      10/19/98                5
16393     A        Pacific Solana Beach Assets, Inc.                04/29/98               10            WE-R-Fabrics
16498     A        Morton White                                     10/23/98                5
 9327     A        Michael Asbell                                   06/03/98                5
 9382     A        1888 LLC                                         12/29/99                5            Seattle Post & Production
11687     A        David Charles McGuire                            09/25/98                5
 9422     A        Saul Tawil                                       07/01/98                5
11845     A                                                         10/29/98                5            Goodwill Industries
16829     A        Gary Leff                                        10/15/98                5            California State Lottery
12033     A        Harold P. Cook III                               11/12/98                5
 9280     A        Carl Ruby                                        10/09/98                5            Healthcare Solutions
12253     A        Alan Scott Fagan                                 08/26/98                5
16957     A        Steaven Jones                                    01/11/98                0            David Koepp, Inc.
17417     A        Bharat Patel                                     12/07/98                5
17137     A                                                         12/30/98                5
17140     A        Augustinus Wenas                                 12/22/98                5
11647     A        Raymond Torbati                                  10/07/98               10
17194     A        John Makhani                                     12/31/98                5            Gift & Photo
11260     A        Steaven K. Jones                                 09/23/98                5
 9072     A        Patrick Ng                                       07/28/98                5            Der Wiener Schnitzel
17704     A        Harivadan Patel                                  12/31/98                5
12257     A        Herb Punia                                       12/09/98                5            Republic of National Bank
11851     A        Samuel I. Roberts                                09/30/98                5            Eastern Mountain Sports
11098     A        Lowden Gardens, Inc.                             07/27/98                5
11599     A        Steve Morrison                                   11/20/98                5            Plaid Pantries
11265     A        Steaven K. Jones                                 09/23/98                5
 5296     A        Raxit N. Shah                                    09/10/98                5
17741     A        Fred Wiggington                                  01/06/99                5
12050     A        Steven Sibel                                     10/14/98                5            Beauty Club
11639     A        Hanan Sibel                                      09/14/98                5
17187     A        Richard M. Pachulski                             12/22/98               10            Gymnasium for Children
11272     A        Steaven K. Jones                                 09/23/98                5            Video Bliss
11384     A        Steaven K. Jones                                 09/23/98                5            Famous Frames
 9328     A        Michael Asbell                                   06/03/98                5
16956     A        Steaven Jones                                    01/11/99                0
 6129     A        James D. Harrison, Jr.                           06/16/98                5            Department of Economic
                                                                                                           Security
 8673              Robert Morgan                                    08/28/98                5
 8673     A        
 8673     B        
 6131     A        James D. Harrison, Jr.                           06/23/98                5            Forward Air
 9436     A        Craig W. Rohner                                  10/19/98                5            Pella Windows & Doors
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                    3rd Largest   
Loan#  Property ID    3rd Largest Tenant SqFt   Tenant Expiration  Appraisal Date    # of Buildings   Maximum Stories  Land Area
- -----  -----------    -----------------------   -----------------  --------------    --------------   ---------------  ---------
<S>       <C>                 <C>                     <C>             <C>                   <C>              <C>         <C>
11969              
11969     A                   13958                   09/30/08        07/28/98              2                19          20.174
11969     B                    9736                   09/30/00        07/30/98              1                14            3.83
16464     A                   18533                   11/01/02        09/23/98              3                 6            3.41
 9691     A                                                           07/15/98             41                 4           17.53
16462     A                   27125                   01/31/08        10/01/98              7                 1            12.6
 8484     A                    9600                   10/31/04        03/20/98              4                 1          15.321
16363     A                       0                                   05/03/98              1                17          0.3194
17918     A                                                           09/15/98              6                 2              12
 8747     A                                                           06/26/98             17                 3           27.49
 9529     A                    2860                   10/31/02        07/02/98              2                 3             6.6
17820     A                    8100                   11/30/00        11/25/98              1                17            0.22
 9144     A                                                           04/06/98              4                 3            3.19
 9100                
 9100     A                       0                                   05/19/98              1                 2           9.557
 9100     B                       0                                   05/27/98              1                 2          2.6081
 9100     C                       0                                   07/08/98              3                 2            4.48
 9100     D                       0                                   05/28/98              2                 2           4.808
16771     A                                                           09/09/98              1                12            0.15
 9586     A                    7280                   05/31/03        05/01/98              3                 1           15.26
11853     A                                                           09/15/98              1                16           52933
 8722     A                                                           05/15/98              9                 3              21
 9412     A                                                           06/23/98              1                 1         13.9079
16718     A                                                           07/06/98              1                 2             8.9
 8548     A                    7500                   05/31/03        04/14/98              5                 2           13.21
11931     A                    9600                   02/28/00        11/16/98              1                12           0.218
12073     A                   13143                   07/31/01        08/13/98              3                 1          10.447
 9291     A                   13202                   10/31/02        05/27/98              2                 1           18.89
16814     A                    3416                   10/31/03        10/29/98              1                 2             3.5
 5193     A                    3750                   07/31/03        10/08/98              1                 8             1.3
17735     A                    4000                   03/31/02        12/01/98              1                16          0.1107
 6073     A                    3407                   08/31/08        10/14/98                                                0
11472     A                                                           08/19/98              2                 3           8.217
16823     A                    6384                   04/30/99        09/01/98              5                 2               6
11423     A                                                           08/06/98             35                 2           12.92
11516     A                   10904                   01/31/02        07/10/98              1                 1           30.55
11721     A                                                           07/09/98              4                 4            0.47
 9056     A                    1800                   08/31/04        04/29/98              3                 1            5.25
16561     A                       0                                   11/25/98             11                 2           11.85
16496     A                   13000                   01/31/04        08/03/98              1                 1            9.53
11839     A                                                           09/01/98              1                 2            12.1
 9565     A                    6073                   02/28/99        07/13/98              1                 5           77425
 9513     A                    1896                   08/18/03        07/01/98              1                 1            7.07
 8939     A                    7960                   10/31/00        10/01/98              2                 2            2.78
17637                
17637     A                                                           10/30/98              1                 3            4.23
17637     B                                                           11/05/98              3                 3            1.75
 9709     A                    3200                   05/31/03        05/04/98              5                 1             3.2
 9424     A                                                           01/21/98                                            67.94
 9556     A                                                           08/28/98              5                 3           4.125
16936     A                                                           10/22/98              1                 2             5.3
12147     A                   15950                   07/31/03        08/26/98              7                 1              10
16826     A                    5296                   01/31/00        09/01/98              6                 2           6.582
11506     A                                                           06/25/98             10                 2            9.92
11997     A                                                           08/17/98              1                 3             1.2
12022     A                                                           08/31/98              1                 3           11.43
 6561     A                    2000                   08/27/08        01/16/98              3                 2             3.9
11868     A                    6500                   09/01/00        08/11/98              1                 8            0.16
 9491     A                    6865                   06/30/03        04/10/98              1                 3             0.9
11895                
11895     A                                                           08/17/98                                                0
11895     B                                                           08/21/98                                                0
16830     A                    2328                   09/30/00        09/01/98              3                 1            4.98
12074     A                                                           09/09/98              1                 4             1.7
11102     A                                                           05/26/98              1                 1           6.045
11552     A                    8175                   09/30/02        06/30/98              3                 2            5.37
 8487     A                    6029                   05/31/01        02/04/98              2                 1             4.4
12075     A                    1200                   11/30/03        09/02/98              1                 3            1.14
11279     A                                                           08/17/98              1                 3             3.1
17138     A                       0                                   06/18/98              1                 3            1.98
 6019     A                    3115                   07/31/01        24-0ct-97             1                 3            1.03
17702     A                    6423                   12/31/01        12/07/98              7                 2             2.8
11978     A                                                           10/23/98              5                 3           10.61
12252     A                                                           09/16/98              1                 3             0.7
 9125     A                                                           01/28/98              5                 2            3.24
11207     A                   10444                   02/01/03        06/11/98              1                 1          5.2446
17027     A                    5000                   03/31/00        12/01/98              1                 1             8.5
16820     A                    5031                   01/31/99        09/01/98              2                 2            3.28
12178     A                    6264                   12/31/99        08/25/98              1                 7            0.16
16609     A                                                           09/22/98              9                 1            3.81
11162                
11162     A                                                           05/11/98              1                 4               0
11162     B                                                           05/11/98              1                 5               0
11162     C                                                           05/11/98              1                 5               0
12203                
12203     A                       0                                   09/29/98              3                 2            3.75
12203     B                                                           09/29/98              3                 2            3.77
11999     A                                                           09/23/98              1                 2            2.01
11116     A                    6000                   01/31/03        06/24/98              2                 1            7.82
11411     A                                                           07/14/98              6                 3             3.3
16393     A                   13926                   03/31/99        03/05/98              8                 2           19.76
16498     A                                                           08/07/98              4                 2             7.4
 9327     A                                                           03/30/98              2                 3            4.12
 9382     A                    4221                   07/31/00        08/12/98              1                 6            0.73
11687     A                                                           07/23/98             23                 2           8.677
 9422     A                                                           04/24/98              1                 1            9.08
11845     A                    6652                   06/30/04        08/13/98              2                 2            1.17
16829     A                    3922                   08/31/00        09/01/98              2                 1            3.37
12033     A                                                           08/18/98              1                 4            0.63
 9280     A                    5760                   10/31/00        12/23/97              3                 1            4.29
12253     A                                                           08/11/98              3                 2            1.83
16957     A                    2547                   11/30/02        12/01/98              1                 2           0.172
17417     A                       0                                   11/21/98              1                 3            4.62
17137     A                       0                                   12/18/98              1                 2            1.29
17140     A                       0                                   11/13/98              1                 3            0.98
11647     A                                                           07/09/98              1                 4            0.31
17194     A                     600                   04/30/00        06/17/98              2                 3          0.1722
11260     A                                                           07/15/98              2                 1            0.71
 9072     A                    1626                   08/01/05        06/02/98              3                 1            1.69
17704     A                                                           09/01/98              1                 2             1.2
12257     A                    5260                   03/31/08        09/03/98              2                                 0
11851     A                    8400                   08/31/99        07/28/98              2                 2            6.49
11098     A                                                           04/20/98              5                 2            4.28
11599     A                    2500                   11/30/06        08/10/98              2                 1            2.15
11265     A                                                           07/15/98              1                 1            0.35
 5296     A                                                           03/30/98              1                 2            2.04
17741     A                                                           11/23/98                                             29.2
12050     A                    7622                   11/30/02        08/14/98              1                 2            2.85
11639     A                                                           07/31/98              1                 1           3.846
17187     A                    2337                   06/30/04        12/01/98              1                 2             0.5
11272     A                    3641                   12/31/02        06/25/98              1                 2            1.32
11384     A                    1934                   04/30/00        06/25/98              1                 3            1.58
 9328     A                                                           05/11/98              9                 3            2.02
16956     A                       0                                   12/01/98              1                 2            0.19
 6129     A                    7788                   06/30/00        03/19/98              4                 1            14.6
 8673                                                                 03/10/98                                               48
 8673     A          
 8673     B          
 6131     A                   27000                   05/31/03        03/19/98              6                 1              12
 9436     A                    1820                   11/30/98        08/21/98              1                 1            2.08
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                                                                     Initial        Initial Deferred
Loan#  Property ID  # of Parking Spaces          Appraiser                      Appraiser Cap   Replacement Escrow    Maint Escrow
- -----  -----------  -------------------          ---------                      -------------   ------------------    ------------
<S>      <C>               <C>           <C>                                         <C>             <C>               <C>
11969                                                                                                       
11969     A                1491          CB - Richard Ellis                          0.0889          6,501.77          580,000.00
11969     B                 830          Cushman & Wakefield                         0.1042          4,194.72           18,875.00
16464     A                 862          Cushman & Wakefield                         0.0712         51,720.72           58,750.00
 9691     A                 609          Amadon & Associates, Inc.                   N/A            12,166.67           15,025.00
16462     A                 805          Cushman & Wakefield                         0.0874         13,287.30                -
 8484     A                 882          Mertzbower, Watts, Hulting                  0.0988              -                   -
16363     A                   0          KTR                                         0.0875          3,500.00           18,313.00
17918     A                 299          CB Richard Ellis                                           27,586.42           75,425.00
 8747     A                 628          Porter Associates / Southeast               0.0916              -               7,350.00
 9529     A                 408          Cushman & Wakefield of New Jersey, Inc.     0.089           1,226.13                -
17820     A                   0          CB Commercial                                               2,671.32           61,875.00
 9144     A                 235          CB Commercial                               N/A             3,850.00           12,500.00
 9100                                                                                                       
 9100     A                  72          Aaron & Wright                              0.116           3,541.00            5,006.00
 9100     B                  80          Aaron & Wright                                              3,903.33            1,206.00
 9100     C                  90          Aaron & Wright                                              2,856.75           12,925.00
 9100     D                  91          Aaron & Wright                                              4,562.00            2,081.00
16771     A                   0          Ard Appraisal                               N/A                 -                   -
 9586     A                   0          Cornerstone Appraisal Group, Inc.           0                 902.33                -
11853     A                  77          Lane Appraisals, Inc.                       0.087           2,895.83           17,875.00
 8722     A                 299          Porter Associates                           0.0912              -                   -
 9412     A                1026          Cushman & Wakefield                         N/A               637.50                -
16718     A                 396          Chief Appraisal Services, Inc.              0              24,129.92            2,500.00
 8548     A                 378          Joseph Dennis Pasquarella & Co.             0.0992            264.14                -
11931     A                   0          Cushman & Wakefield                         0              18,000.00           18,652.00
12073     A                 429          Insignia/ESG Jackson Cross                  0.0916          1,342.96                -
 9291     A                 779          Porter Associates                           0.0971          1,602.34            7,125.00
16814     A                 279          CB Richard Ellis                            0.094          17,850.00                -
 5193     A                 325          CB - Richard Ellis                          0.095             750.01           17,500.00
17735     A                   0          Brown Harris Stevens Appraisal 
                                           & Consulting, LLC                       951.00            5,000.00
 6073     A                   0          Cushman & Wakefield                         0.0924            781.49           12,187.50
11472     A                 338                                                      0.113          11,552.75                -
16823     A                 308          MT Associates                               0.09            1,302.53                -
11423     A                 487          CB Richard Ellis                            0.0961              -              48,000.00
11516     A                 821          CB Richard Ellis                            0.0982          1,684.85
11721     A                   8          CB Richard Ellis                            0.085           2,104.17           13,387.50
 9056     A                 267          RGW & Associates                            0.048             703.71           22,281.25
16561     A                 285          Cushman & Wakefield                         0.095           3,500.00            5,688.00
16496     A                 495          CB Richard Ellis                            0.0955            580.13                -
11839     A                 500          Cushman & Wakefield                         0.0955          2,316.67                -
 9565     A                 205          Realty Services International, Inc.         0.0958              -                   -
 9513     A                 204          CB Whittier                                 0.0907            579.94           25,000.00
 8939     A                 320          CB Richard Ellis                            0.095           1,020.83            7,500.00
17637                                                                                                       
17637     A                 102          Kramer, Geisler, Strand & Goff 
                                           - Minneapolis                         1,250.00            4,000.00
17637     B                  99          Diversified Real Estate Services                            2,542.00           13,112.50
 9709     A                 491          CB Commercial                               0.0964            404.08            4,062.50
 9424     A                   0          Bakken & Liedl                              N/A             1,579.17           14,406.00
 9556     A                 193          Apartment Appraisers & Consultants          0.0866          1,800.00                -
16936     A                 145          CB Richard Ellis                            0                 558.85            5,000.00
12147     A                 400          Ralph J. Brenkan & Co.                      0.0934          1,299.39                -
16826     A                 286          MT Associates                               0.09            1,429.35                -
11506     A                 204          Joseph Dennis Pasquarella & Co.             N/A             2,400.00           91,000.00
11997     A                 157          Bristol Realty Counselors                   N/A             1,877.08           15,000.00
12022     A                 314          KGS Appraisal Company                       N/A             4,229.17                -
 6561     A                 243          CB Richard Ellis                            0.101             577.78                -
11868     A                   0          KTR                                         0.083               -              10,250.00
 9491     A                 105          Imperial Realty                             0.103             759.15            5,000.00
11895                                                                                                       
11895     A                   1          CB Commercial                               0.108             244.25           21,515.00
11895     B                   8          CB Commercial                               N/A               290.00            7,606.25
16830     A                 222          MT Associates                               0.09            1,065.05                -
12074     A                 106          Joseph D. Pasquarella & Co                  0.0909            957.19
11102     A                 221          Cushman & Wakefield                         0.1023            971.25                -
11552     A                 340          Cushman & Wakefield of Connecticut          0.095               -                   -
 8487     A                 240          Joseph D. Pasquarella & Co.                 0.105             599.36            7,500.00
12075     A                  51          John D. Pasquarella & Co.                   0.0902            608.47
11279     A                 108          CB Richard Ellis                            0.1026              -                   -
17138     A                  78          Deverick & Associates                       0               6,417.00                -
 6019     A                 101          S.S Herron and Associates                   0.086             611.96            2,625.00
17702     A                 139          Property Advisory Consultants                                 595.11           25,062.00
11978     A                 401          CB - Richard Ellis                          0.0975          6,375.00                -
12252     A                  12          Joseph Dennis Pasquarella & Co.             N/A             1,162.50            6,250.00
 9125     A                  21 garages  Joseph Dennis Pasquarella & Co.             N/A             1,854.17           62,500.00
11207     A                 331          CB Commercial                               0.1065          1,106.34                -
17027     A                 400          CB Commercial                               0                   -               1,001.00
16820     A                 146          MT Associates                               0.09              770.61                -
12178     A                   0          Joseph Dennis Pasquarella & Co.             0.0858            446.45            5,000.00
16609     A                   3          MT Associates                               0.095           1,029.16                -
11162                                                                                                       
11162     A                   0          Ard Appraisal Co.                           N/A               729.17           43,750.00
11162     B                   0          Ard Appraisal Co.                           N/A                 -                   -
11162     C                   0          Ard Appraisal Co.                           N/A                 -                   -
12203                                                                                                       
12203     A                 112          The Cornerstone Group of S. Florida         0.1             2,000.00           32,125.00
12203     B                  74          The Cornerstone Group of S. Florida                             -              61,575.00
11999     A                  86          CB Commercial                               0.119           3,404.30                -
11116     A                 360          Krauser, Welsh & Cirz, Inc.                 0.0878          1,047.19                -
11411     A                   6          Schueler, McKown & Keenan                   0.0975            693.18           12,125.00
16393     A                 780          CB Commercial                               0.085          29,973.02           37,500.00
16498     A                 106          Appraisal Technology, Inc                   N/A             2,563.00           71,250.00
 9327     A                 152          Joseph Dennis Pasquarella & Co.             N/A             2,756.25                -
 9382     A                   7          Shuler McKown & Keenan, Inc.                0.0925              -               4,375.00
11687     A                 104          KGS Appraisal Company                       N/A             3,597.92           40,639.00
 9422     A                 390          CB Commercial                               0.1163          1,525.11           20,000.00
11845     A                              MaineLand Consultants                       0.112             929.06           13,750.00
16829     A                 138          MT Associates                               0.09              816.15                -
12033     A                   0          Cushman & Wakefield                         N/A               960.33           32,625.00
 9280     A                 167          Dean Appraisal Co.                          N/A               476.74           72,102.00
12253     A                  64          Joseph Dennis Pasquarella & Co.             N/A               937.50           57,500.00
16957     A                   0          Cushman & Wakefield                         0                   -                   -
17417     A                  72          Kirkland & Company                          0               4,300.00                -
17137     A                  65          Deverick & Associates                       0               3,410.50            1,750.00
17140     A                  68          CB Richard Ellis                            0               3,471.58            6,437.50
11647     A                  62          Grubb & Ellis                               0.084             572.33           15,000.00
17194     A                   0          Property Sciences                           0                 334.00            4,050.00
11260     A                  35          Cushman & Wakefield                         0.09              241.69                -
 9072     A                  85          CB - Richard Ellis                          0.1               327.00           30,250.00
17704     A                  64          Hospitality Appraisal Services, LLC                         3,572.00            2,125.00
12257     A                 113          Cushman & Wakefield                         0.0897              -              19,471.00
11851     A                 428          Cushman & Wakefield                         0.097               -              12,344.00
11098     A                  80          Izenberg Appraisal Assoc.                   N/A             1,666.67           18,687.50
11599     A                  86          Palmer, Groth & Pietka                      N/A               869.22            9,272.50
11265     A                  28          Cushman & Wakefield                         0.09              180.48                -
 5296     A                  75          Cushman & Wakefield                         0.0968          3,638.75            3,562.50
17741     A                              CB Richard Ellis                                              796.00           13,125.00
12050     A                 180          CB Commercial                               0.11              550.00           13,750.00
11639     A                 142          CB Commercial                               N/A               733.33            7,506.25
17187     A                  87          Cushman & Wakefield                         0                 421.08            5,187.50
11272     A                 107          Cushman & Wakefield                         0.095             638.58          138,750.00
11384     A                 140          Cushman & Wakefield                         0.095             717.61           85,000.00
 9328     A                  97          Joseph Dennis Pasquarella & Co.             N/A             1,612.50          277,500.00
16956     A                   0          Cushman & Wakefield                         0                   -                   -
 6129     A          approx 400          CB - Richard Ellis                          0.1055              -               1,250.00
 8673                         0          CB Commercial                               0.092
 8673     A                                                                                            225.01           18,458.00
 8673     B                                                                                            308.32           25,292.00
 6131     A         Approx. 200          CB - Richard Ellis                          0.094               -               3,750.00
 9436     A                  58          Jackson Cross Valuation Service             0.108             149.60            6,250.00
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                       Initial           Monthly             Monthly                                                    Title 
Loan#  Property ID   Other Escrow   Replacement Escrow    Other Escrow          Title Insurance Issuer             Insurance Amount
- -----  -----------   ------------   ------------------    ------------          ----------------------             ----------------
<S>      <C>            <C>               <C>               <C>           <C>                                        <C>
11969                                                                                                           
11969     A             20,287.33         6,501.77          20,287.33     First American Title                       16,750,000.00
11969     B             18,238.67         4,194.72          18,238.67     First American Title                        9,250,000.00
16464     A                  -                -                  -                                              
 9691     A                  -           12,166.67               -                                              
16462     A            100,200.00             -                  -                                              
 8484     A                  -                -                  -        Commonwealth Land Title                    11,000,000.00
16363     A                  -            3,500.00               -        General Accident                          493,411,565.00
17918     A          1,000,000.00        27,586.41                        Fidelity National                     
 8747     A                  -                -                  -        Lawyer's Title Insurance                    9,500,000.00
 9529     A              6,500.00         1,226.13           6,500.00     Chicago Title                               9,400,000.00
17820     A            350,000.00         2,671.00                                                              
 9144     A             24,966.25         3,850.00               -                                                    6,100,000.00
 9100                                                                                                           
 9100     A                  -            3,541.00               -                                                            -
 9100     B                  -            3,903.33               -                                                            -
 9100     C                  -            2,856.75               -                                                            -
 9100     D                  -            4,562.00               -                                                            -
16771     A                  -                -                  -        Chicago Title                               7,000,000.00
 9586     A                  -              902.33               -        Ticor Title Insurance Company               5,100,000.00
11853     A            300,000.00         2,895.83               -        Commonwealth Land Title Insurance Co.       6,500,000.00
 8722     A                  -                -                  -        Lawyer's Title Insurance Co.          
 9412     A                  -              637.50               -        First American Title                        6,400,000.00
16718     A            150,000.00        24,129.92               -                                                            -
 8548     A                  -              264.14               -        Stewart Title                               6,100,000.00
11931     A                  -                -                  -                                                            -
12073     A                  -            1,342.96               -        First American Title Insurance Co.          6,000,000.00
 9291     A             50,000.00         1,602.34               -        Lawyer's Title                              5,800,000.00
16814     A                  -                -                  -                                              
 5193     A                  -              750.01               -        Chicago Title Insurance Co.                 5,725,000.00
17735     A                                 951.43                                                              
 6073     A             70,000.00           781.49               -        Chicago Title Insurance Co.                 5,500,000.00
11472     A             50,000.00        11,552.75               -        Lawyers Title                               5,375,000.00
16823     A                  -            1,302.53               -        Stewart Title                               4,975,000.00
11423     A                  -                -                  -        Chicago Title Insurance Co.                 5,000,000.00
11516     A            250,000.00         1,684.85               -                                               9000000 (owners),
                                                                                                                  5,000,000 (loan)
11721     A                  -            2,104.17               -        Lawyers Title                               5,000,000.00
 9056     A          1,500,000.00           703.71               -        North American Title Company                4,700,000.00
16561     A                  -            3,500.00               -                                                            -
16496     A            125,000.00           580.13           6,944.44     First American Title                        4,505,000.00
11839     A          1,003,475.00         2,316.67           3,475.00     Commonwealth Title                          4,400,000.00
 9565     A                  -                -                  -        Commonwealth Title                          4,300,000.00
 9513     A              8,809.52           579.94           8,809.52     First American Title                        4,300,000.00
 8939     A                  -            1,020.83               -        Lawyers Title                               4,100,000.00
17637                                                                                                           
17637     A            130,000.00         1,250.00                        Commercial Partners Title             
17637     B             80,000.00         2,541.67                                                              
 9709     A              2,591.00           404.08           2,591.00     Chicago Title                         
 9424     A                  -            1,579.17               -        First American                              4,225,000.00
 9556     A                  -            1,800.00               -                                              
16936     A            125,000.00           558.85           3,000.00     Common Wealth                               4,400,000.00
12147     A                  -            1,299.39               -        Chicago Title                               4,150,000.00
16826     A                  -            1,429.35               -        Stewart Title                               3,000,000.00
11506     A                  -            2,400.00               -        Lawyer's Title Insurance Company            4,150,000.00
11997     A                  -            1,877.08               -                                                    4,100,000.00
12022     A                  -            4,229.17               -        Commonwealth Land Title                     4,000,000.00
 6561     A            200,000.00           577.78               -        Chicago Title                               4,000,000.00
11868     A                  -                -                  -        Chicago Title                               4,000,000.00
 9491     A                  -              759.15               -        First American Title                        3,950,000.00
11895                                                                                                           
11895     A                  -              244.25               -        First American Title                        1,400,000.00
11895     B                  -              290.00               -        First American Title                        1,400,000.00
16830     A                  -            1,065.05               -        Stewart Title                               3,900,000.00
12074     A                                 957.19                        Lawyer's Title Insurance Company            3,900,000.00
11102     A              2,436.00           971.25           2,436.00     Lawyers Title                               3,750,000.00
11552     A                  -              850.68               -        First American Title                        3,700,000.00
 8487     A              2,125.00           599.36           2,125.00     Commonwealth Land Title Insurance           3,500,000.00
12075     A            450,000.00           608.47                        Lawyer's Title Insurance Corporation        3,500,000.00
11279     A                  -                -                  -        Chicago Title Insurance Co.                 3,500,000.00
17138     A             50,000.00         6,416.67                        Stewart Title                               3,460,000.00
 6019     A                  -              611.96               -        First American Title Insurance              3,500,000.00
17702     A                                 595.11                        First American                        
11978     A                  -            6,375.00               -                                              
12252     A                  -            1,162.50               -        Commonwealth Title Insurance Co.            3,250,000.00
 9125     A                  -            1,854.17               -        First American Title                        3,400,000.00
11207     A                  -            1,106.34               -        Transnation Title                           3,100,000.00
17027     A              1,000.00         1,001.00               -        Chicago Title                               3,025,000.00
16820     A                  -              770.61               -        Stewart Title                               2,975,000.00
12178     A             12,000.00           446.45               -        First American Title                        2,900,000.00
16609     A                  -            1,029.16               -        Stewart Title                               2,800,000.00
11162                                                                     First American Title                        2,750,000.00
11162     A             15,000.00           729.17               -                                              
11162     B                  -                -                  -                                              
11162     C                  -                -                  -                                              
12203                                                                                                           
12203     A                  -            1,166.67               -                                                            -
12203     B                                 833.33                                                              
11999     A                  -            3,029.30               -        Chicago Title Insurance                     2,650,000.00
11116     A             19,440.00         1,047.19               -        Stewart Title                               2,650,000.00
11411     A                  -              693.18               -        First American Title Ins. Co.               2,600,000.00
16393     A                  -                -                  -        First American Title                       23,900,000.00
16498     A            100,000.00         2,563.00               -                                              
 9327     A                  -            2,756.25               -        Lawyer's Title                              2,450,000.00
 9382     A            165,000.00             -              2,500.00     Transnation Title Insurance Conpany         3,000,000.00
11687     A                  -            3,597.92               -        Commonwealth                                2,400,000.00
 9422     A            125,000.00         1,525.11               -        Chicago Title Insurance Co.                 2,350,000.00
11845     A            103,116.67           929.06           3,116.67                                                 2,300,000.00
16829     A                  -              816.15               -        Stewart Title                               2,275,000.00
12033     A                  -              960.33               -                                              
 9280     A            100,000.00           476.74               -        Chicago Title Insurance                     2,200,000.00
12253     A                  -              937.50               -        Lawyer's Title                              2,190,000.00
16957     A                  -              206.17               -                                                            -
17417     A             50,000.00         4,286.59           4,166.00                                                         -
17137     A             60,000.00         3,410.50           3,408.00     Stewart Title                               1,900,000.00
17140     A                  -            3,471.58               -                                                            -
11647     A                  -              572.33               -        Chicago Title Insruance Co.                 2,000,000.00
17194     A                  -              334.00               -        Fidelity National Title Co.                 2,000,000.00
11260     A                  -              241.69               -        Fidelity National Title                     1,945,000.00
 9072     A                  -              327.00               -        Chicago Title Insurance Co.                 1,850,000.00
17704     A                               3,572.00                                                              
12257     A                  -              617.25               -                                              
11851     A             25,000.00             -                  -        First American Title                        1,800,000.00
11098     A                  -            1,666.67               -        Commonwealth Title                          1,775,000.00
11599     A              7,500.00           869.22           1,363.00                                           
11265     A                  -              180.48               -        Fidelity National Title Insurance Co.       1,645,000.00
 5296     A             65,000.00         3,638.75               -        Commonwealth Land Title                     1,600,000.00
17741     A            150,000.00           796.00                                                              
12050     A                  -              550.00               -        Stewart Title                               1,500,000.00
11639     A                  -              733.33               -        Stewart Title                               1,500,000.00
17187     A                  -              421.08               -                                              
11272     A                  -              638.58               -        Fidelity National Title                     1,400,000.00
11384     A                  -              717.61               -        Fidelity National Title                     1,400,000.00
 9328     A                  -            1,612.50               -        Lawyer's Title                              1,400,000.00
16956     A             75,000.00           152.50               -                                                            -
 6129     A                  -                -                  -        Fidelity National Title                     1,350,000.00
 8673                                                            -
 8673     A                844.00           225.01                        First American Title                          548,467.00
 8673     B              1,156.00           308.32                        First American Title                          751,533.00
 6131     A                                   -                  -        Fidelity National Title                     1,100,000.00
 9436     A                706.92           149.60             706.92     Chicago Title Insurance Company               740,000.00
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                          Umbrella             Umbrella 
Loan#  Property ID      Umbrella Insurance Issuer     Insurance Amount   Insurance Expiration          Property Insurance Issuer
- -----  -----------      -------------------------     ----------------   --------------------          -------------------------
<S>      <C>        <C>                                 <C>                    <C>               <C>
11969               
11969     A         Athena Assurance Co. Gen.
                      Aggregate                         25,000,000.00          12/31/99          National Surety Corp.
11969     B         Fireman's Fund Ins. Co.             10,000,000.00          03/01/99          Fireman's Fund Ins. Co.
16464     A         IU Insurance                        10,000,000.00          10/01/99          Fireman's Fund
 9691     A         Reliance National                   10,000,000.00          01/31/99          various carriers
16462     A         AIV Ins.                            10,000,000.00          10/01/99          Fireman's Fund (Blanket)
 8484     A         -                                            -              -                Kemper
16363     A         Federal Ins. Co.                    25,000,000.00          10/31/00          General Accident
17918     A         St Paul Fire & Marine Ins. Co.      10,000,000.00          03/30/99          St. Paul Fire & Marine Ins. Co.
 8747     A         Utica Mutual Insurance              10,000,000.00          01/01/99          Republic Franklin Insurance Co.
 9529     A         Ramapo Insurance                     5,000,000.00          10/23/99          Selective Ins. Co.
17820     A         -                                            -              -                USF&G
 9144     A         Hartford Fire Ins. Co.               5,000,000.00          01/23/99          Hartford Fire Ins. Co.
 9100                                                 
 9100     A                                                      -                               Vesta Ins. Co.
 9100     B                                                      -                               Citizens Ins.
 9100     C         CNA Insurance                        2,000,000.00          09/17/99          CNA Insurance
 9100     D                                                      -                               Citizens Ins.
16771     A         Cigna                               20,000,000.00          06/20/99          Greater NY Mutual
 9586     A         Millers Mutual Insurance Company     5,000,000.00          12/17/99          Millers Mutual Insurance Company
11853     A         Greater New York Mutual              5,000,000.00          04/02/99          Travellers' Indemnity
 8722     A         Utica Mutual Insurance Co.          10,000,000.00          01/01/99          Republic Franklin Insurance Co.
 9412     A         The Travelers                       25,000,000.00          07/11/99          The Travelers
16718     A         -                                            -              -                Commerce & Industry
 8548     A         Maryland Casualty Ins.               2,000,000.00          04/30/99          Assurance Co. of America
11931     A         Greater New York Mutual              5,000,000.00          09/10/99          Greater New York Mutual
12073     A         Fireman's Fund Insurance Corp.       1,000,000.00          04/29/99          Fireman's Fund Insurance Corp.
 9291     A         Fireman's Fund                       4,000,000.00          07/08/99          Fireman's Fund
16814     A         Royal Ins. Company                   4,000,000.00          03/15/99          Federal Ins. Co.
 5193     A         Hartford of Midwest                  5,000,000.00          12/09/99          Fireman's Fund
17735     A         Traveler's Prop. & Casualty         10,000,000.00          02/15/99          Travelers
 6073     A         Greater New York Mutual              5,000,000.00          10/01/99          8000000
11472     A         Waysau Insurance                    10,000,000.00          04/01/99          Waysau Insurance
16823     A         Fireman's Fund                      10,000,000.00          09/30/99          Fireman's Fund
11423     A         TIG Insurance Co.                   25,000,000.00          10/31/99          Gerling Global (Blanket)
11516     A         -                                            -              -                Liberty Mutual (Blanket)
11721     A         General Accidental Insurance         5,000,000.00          03/30/99          General Accidental Insurance
 9056     A         Mid Century Insurance                1,000,000.00          02/26/99          Mid-Century Insurance
16561     A         Cigna Indemnity                      5,000,000.00          12/21/99          MerrimackMutu
16496     A                                           
11839     A         Kemper Insurance                    20,000,000.00          05/01/99          Kemper Insurance
 9565     A         -                                            -              -                Hanover Lloyds Ins. Co.
 9513     A         Zurich                               2,000,000.00          08/15/99          Zurich
 8939     A         Fireman's Fund                      10,000,000.00          06/01/99          Fireman's Fund
17637                                                 
17637     A         Royal of America                     4,000,000.00          01/01/99          American Casualty
17637     B         Royal of America                     4,000,000.00          01/01/99          American Casualty
 9709     A         Scottsdale Insurance Co.            20,000,000.00          12/06/99          Pacific Indemnity (Blanket)
 9424     A         Dakota First Insurance Co.           1,000,000.00          12/01/99          Employers' Mutual
 9556     A         State Farm                           5,000,000.00          05/17/99          State Farm
16936     A         Chubb Insurance Co.                 10,000,000.00          07/01/99          -
12147     A         -                                            -              -                -
16826     A         Fireman's Fund                      10,000,000.00          09/30/99          Fireman's Fund
11506     A         Several Cos. Affording Coverage    150,000,000.00          06/30/99          Several
11997     A         Various (Blanket Policy)           100,000,000.00          12/10/99          General Accident Insurance Co.
12022     A         Cincinnati Insurance Co.            10,000,000.00          07/01/00          Cincinnati Insurance Co.
 6561     A         -                                            -              -                The St. Paul Insurance Co.
11868     A         Traveler's Prop. & Casualty          1,000,000.00          07/03/99          Traveler's Prop. & Casualty
 9491     A         Harleysville Mutual Ins. Co.
                     (Blanket)                           2,000,000.00          08/03/99          Harleysville Mutual Ins. Co.
11895               -                                            -              -
11895     A         -                                            -              -                Greenwich Insurance
11895     B         -                                            -              -                Greenwich Insurance
16830     A         -                                            -              -                Fireman's Fund
12074     A         TIG Insurance Co.                    3,000,000.00          11/04/99          Kemper National Insurance Co.
11102     A         St. Paul Fire & Marine               1,000,000.00          02/05/99          Allendale Insurance Co.
11552     A         American Casualty Co.               10,000,000.00          07/23/99          CAN Insurance Co.
 8487     A         Hartford of Midwest                  5,000,000.00          12/09/99          Hartford of Midwest
12075     A                                                                                      Kemper National Insurance Co.
11279     A         Burns & Wilcox, Ltd.                 4,000,000.00          09/01/99          Travelers Indemnity Co. of Illinois
17138     A         Erie Insurance                       5,000,000.00          11/01/99          Erie Insurance
 6019     A         National Union                      25,000,000.00          12/28/99          United State Fire Ins.  
                                                                                                   (Blanket Policy)
17702     A         -                                            -              -                General Insurance of Trieste
11978     A         Maryland Casualty                    4,000,000.00          10/31/99          Maryland Casualty
12252     A         Royal Indemnity Company            150,000,000.00          06/30/99
 9125     A         National Union Fire                 25,000,000.00          03/01/99          Legion Insurance Co.
11207     A         -                                            -              -                Yasuda Insurance Co.
17027     A         Traveler's Prop. & Casualty          3,000,000.00          10/01/99          Traveler's Prop. & Casualty
16820     A         Fireman's Fund                      10,000,000.00          09/30/99          Fireman's Fund
12178     A         Illinois National Insurance Co.     20,000,000.00          06/01/99          USF&G
16609     A         -                                            -              -                Deans & Homer
11162               Reliance National Indemnity Co.      5,000,000.00          07/01/99          Reliance National  Indemnity
11162     A         Reliance National Indemnity Co.     50,000,000.00          07/01/99          Reliance National  Indemnity
11162     B         Reliance National Indemnity Co.     50,000,000.00          07/01/99          Reliance National  Indemnity
11162     C         Reliance National Indemnity Co.     50,000,000.00          07/01/99          Reliance National  Indemnity
12203               Interstate Fire and Casualty         3,000,000.00          12/18/99          Interstate Fire and Casualty
12203     A                                                      -                               Slaton Insurance
12203     B                                                                                      Slaton Insurance
11999     A         TIG Insurance Co.                   10,000,000.00          03/01/99          Hartford Steam Boiler Inspection
                                                                                                   and Insurance Co.
11116     A         Quincy Mutual Fire Insurance Co.     9,000,000.00          07/01/99          Quincy Mutual Fire Insurance Co.
11411     A         -                                            -              -                Safeco.Ins. Company
16393     A                                           
16498     A         Chubb Ins. Group                     5,000,000.00          04/01/99          C.N.A.
 9327     A         Chubb Insurance Co.                150,000,000.00          06/30/99          Kemper Insurance
 9382     A         Safeco Insurance                     3,000,000.00          03/09/99          Safeco.Ins. Company
11687     A         Midwest Family Mutual               10,000,000.00          05/31/99          Midwest Family Mutual
 9422     A         RUI & Twin City Fire                30,000,000.00          12/10/99          Zurich
11845     A         Commercial Union                     5,000,000.00          05/04/99          Commercial Union
16829     A         Fireman's Fund                      10,000,000.00          09/30/99          Fireman's Fund
12033     A         Chubb Insurance Co.                  2,000,000.00          04/24/99          Legion Insurance Co.
 9280     A         Travelers                            2,000,000.00          01/21/99          Travelers Property & Casualty Co.
12253     A         Several Companies Affording
                      Coverage                         150,000,000.00          06/30/99
16957     A         -                                            -              -                Chubb Custom Insurance Co.
17417     A         Indiana Insurance                    5,000,000.00          06/23/99          Indiana Insurance
17137     A         Auto Owners                          5,000,000.00          05/20/99          Great American
17140     A         Farmer's Insurance                   4,000,000.00                            Farmer's Insurance
11647     A         Various (Blanket Policy)           100,000,000.00          12/10/99          General Accident Insurance Co.
17194     A         Fireman's Fund                       3,000,000.00          12/30/99          Fireman's Fund
11260     A         RLI Insurance Co.                    4,000,000.00          06/30/99          Chubb Custom Insurance Co.
                                                                                                   (Blanket)
 9072     A                                                                                      Cigna Insurance Co.
17704     A         Allied Group                         5,000,000.00          08/04/99          Allied Group Insurance
12257     A         Royal Ins. Company                  50,000,000.00          01/01/99          Chubb Group
11851     A         American Casualty                   10,000,000.00          07/23/99          CAN Insurance Co.
11098     A         State Farm                          10,000,000.00          12/07/99          State Farm
11599     A         Fireman's Fund                       4,000,000.00          01/01/99          Fireman's Fund
11265     A         RLI Insurance Co.                    4,000,000.00          06/30/99          Chubb Custom Insurance Co.
                                                                                                   (Blanket)
 5296     A         Citizens Insurance Co.               4,000,000.00          04/15/99          Citizens Insurance Co. (Blanket)
17741     A                                                      -              -                -
12050     A         Federal Insurance Company           10,000,000.00          02/01/99          Transportation Insurance Co.
                                                                                                   (Blanket Policy)
11639     A         US Fire Insurance Co.               10,000,000.00          01/01/99          United States Fire Insurance Co.
17187     A         Fireman's Fund                      10,000,000.00          03/01/99          Fireman's Fund
11272     A         RLI Insurance Co.                    4,000,000.00          06/30/99          Chubb Custom Insurance Co.
                                                                                                   (Blanket)
11384     A         -                                            -              -                Chubb Custom
 9328     A         (several)                          150,000,000.00          06/30/99          -
16956     A         -                                            -              -                Chubb Custom Insurance Co.
 6129     A         -                                            -              -                Fireman's Fund
 8673               -                                            -              -                Fireman's Fund
 8673     A         
 8673     B         
 6131     A         Fireman's Fund Insurance Co.         5,000,000.00          06/01/99          Fireman's Fund Insurance Co.
 9436     A         -                                            -              -                Fireman's Fund
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                        Property
                          Property      Insurance          Special Hazard          Special Hazard                Special Hazard 
Loan#  Property ID    Insurance Amount  Expiration        Insurance Issuer        Insurance Amount            Insurance Expiration
- -----  -----------    ----------------  ----------        ----------------        ----------------            --------------------
<S>      <C>            <C>              <C>           <C>                      <C>                                  <C>
11969               
11969     A             64,637,500.00    12/31/99      Flood - Not Surety       50,000,000 (EQ - 50,000,000)
11969     B             23,103,000.00    03/01/99                              
16464     A            215,138,671.00    10/01/99                              
 9691     A            100,000,000.00    03/01/99      -                                 -                           -
16462     A            215,138,671.00    10/01/99                              
 8484     A             14,050,000.00    04/05/99      Kemper                     15000000 (Flood and EQ)           04/05/99
16363     A            518,411,565.00    31-Sep-00                                       -
17918     A             30,095,000.00    03/30/99                              
 8747     A              6,387,000.00    01/01/99      -                                 -                           -
 9529     A              9,400,000.00    10/23/99      -                                 -                           -
17820     A             99,303,000.00    08/14/99      USF & G                   5,000,000.00                       08/14/99
 9144     A              9,240,000.00    01/23/99      -                                 -                           -
 9100                                                                                                                -
 9100     A              2,030,000.00    03/02/99      -                                 -                           -
 9100     B              5,834,000.00    03/02/99      -                                 -                           -
 9100     C              2,105,000.00    09/17/99      -                                 -                           -
 9100     D              5,974,000.00    03/02/99      -                                 -                           -
16771     A              8,750,000.00    12/19/99      Greater NY Mutual         4,000,000.00                       12/19/99
 9586     A              1,820,000.00    12/17/99      -                                 -                           -
11853     A             13,000,000.00    09/02/99                              
 8722     A              6,387,000.00    01/01/99      -                                 -                           -
 9412     A              6,000,000.00    07/11/99      -                                 -                           -
16718     A              8,061,470.00    04/30/99      -                                 -
 8548     A              9,004,000.00    08/10/99                                                                    -
11931     A             11,650,000.00    09/10/99      -                                 -
12073     A              8,000,000.00    04/29/99                              
 9291     A              7,200,000.00    07/08/99      -                                 -                           -
16814     A             20,000,000.00    03/15/99      Royal                    17,300,000.00                       03/15/99
 5193     A              6,500,000.00    03/01/99      Fireman's Fund 
                                                         (EQ & Flood)                                                -
17735     A             11,000,000.00    02/15/99      -                                 -
 6073     A              8,000,000.00    10/01/99                                                                    -
11472     A              8,230,000.00    04/01/99                              
16823     A              5,994,004.00    02/11/99      -                                 -
11423     A            361,265,000.00    10/31/99
11516     A            111,122,105.00    01/01/99      -                                 -
11721     A              4,130,240.00    03/30/99                              
 9056     A              3,120,000.00    02/26/99      Golden Bear Insurance 
                                                         (Earthquake)            3,697,000.00                       08/01/99
16561     A             11,567,000.00    12/24/99                                        -
16496     A                                                                    
11839     A              5,459,000.00    05/01/99      National Flood              242,000.00                       10/11/99
 9565     A              4,800,000.00    03/21/99      -                                 -                           -
 9513     A              3,240,000.00    08/15/99      -                                 -                           -
 8939     A              6,000,000.00    06/01/99      -                                 -                           -
17637                                                                          
17637     A             28,638,000.00    01/01/99      American Casualty         2,000,000.00                       01/01/99
17637     B             28,638,000.00    01/01/99      American Casualty         2,000,000.00                       01/01/99
 9709     A             10,000,000.00    12/06/99      -                                 -                           -
 9424     A              1,440,000.00    12/01/99      -                                 -                           -
 9556     A              3,546,200.00    05/17/99      -                                 -                           -
16936     A                      -        -            -                                 -
12147     A                      -        -            -                                 -                           -
16826     A              4,334,828.00    02/11/99      -                                 -
11506     A            130,609,928.00    06/30/99      Flood - EQ              125,000,000.00                       06/30/99
11997     A              4,900,000.00    12/10/99      -                                 -
12022     A              3,626,100.00    07/01/01                              
 6561     A              4,000,000.00    10/07/99                                                                    -
11868     A              6,835,000.00    07/03/99                              
 9491     A              6,000,000.00    08/03/99      -                                 -                           -
11895                                                  -                                 -
11895     A              2,265,000.00    07/25/99      -                                 -
11895     B              1,014,000.00    09/25/99      -                                 -
16830     A              3,418,000.00    09/30/99      -                                 -
12074     A              3,900,000.00    09/17/99      -                                 -
11102     A              4,000,000.00    01/01/99      -                                 -
11552     A              1,982,402.00    07/01/00      -                                 -
 8487     A              2,700,000.00    12/09/99                                                                    -
12075     A              3,500,000.00    09/17/99      -                                 -
11279     A              5,074,000.00    09/01/99      -                                 -
17138     A              3,792,000.00    11/01/99      -                                 -
 6019     A            500,000,000.00    12/28/99                                                                    -
17702     A              3,921,000.00    08/15/99      El Camino Insurance         500,000.00                       12/07/99
11978     A             19,444,000.00    10/31/99      -                                 -                           -
12252     A                                                                    
 9125     A              5,300,000.00    03/01/99      -                                 -                           -
11207     A              4,180,000.00    08/01/99      -                                 -
17027     A            371,334,012.00    01/01/99      -                                 -                           -
16820     A              2,871,928.00    02/11/99      -                                 -                           -
12178     A              6,000,000.00    12/01/99      Flood - USF&G & Co.      50,000,000.00                       12/01/99
16609     A              3,000,000.00    09/30/99      -                                 -
11162                     1,025,00       12/23/00      -                                 -
11162     A                400,000.00    12/23/00      -                                 -
11162     B                625,000.00    12/23/00      -                                 -
11162     C              1,150,000.00    06/30/99      -                                 -
12203                    1,012,800.00    12/18/99      National Flood              250,000.00                       12/18/99
12203     A              2,250,000.00    04/11/99                                        -
12203     B              1,758,000.00    03/05/99      Slaton Insurance            750,000.00                       03/05/99
11999     A              3,500,000.00    11/04/99      Federal Flood               500,000.00
11116     A              5,040,000.00    07/01/99      -                                 -
11411     A              2,750,000.00    10/09/99      Safeco. Ins. Company        450,000.00                       10/09/99
16393     A                                                                    
16498     A              5,920,000.00    04/01/99                              
 9327     A              2,000,000.00    06/30/99      -                                 -                           -
 9382     A              8,912,000.00    03/09/99      -                                 -                           -
11687     A              6,000,007.00    09/30/99      -                                 -
 9422     A              3,000,000.00    06/01/99                                                                    -
11845     A              3,280,000.00    05/04/99                              
16829     A              2,116,068.00    02/11/99      -                                 -
12033     A              5,377,000.00    04/24/99                              
 9280     A              1,060,900.00    01/21/99      -                                 -                           -
12253     A                                                                    
16957     A             21,633,000.00    06/30/99      Lloyd's                     500,000.00                       12/30/99
17417     A              2,200,000.00    06/23/99      -                                 -
17137     A              1,787,000.00    05/20/99      -                                 -
17140     A              2,030,000.00                  -                                 -
11647     A              4,900,000.00    12/10/99      -                                 -
17194     A              1,000,000.00    05/31/99      RLI Insurance             1,000,000.00                       12/30/99
11260     A             15,885,000.00    06/30/99      -                                 -
 9072     A              1,700,000.00    10/01/99                                                                    -
17704     A              1,830,000.00    08/04/99      -                                 -                           -
12257     A             20,000,000.00    01/01/99      Royal                      19250000 (including 2.5 
                                                                                      million quake)                01/01/99
11851     A              6,329,700.00    07/01/00      C.N.A. Flood; C.N.A. 
                                                         EQ (4,000,000)          1,000,000.00                       07/01/00
11098     A              2,972,000.00    12/07/99      National Flood              250,000.00                       12/17/99
11599     A             23,038,619.00    01/01/99      -                                 -
11265     A             15,855,000.00    06/30/99      -                                 -
 5296     A              1,800,000.00    04/15/99                                                                    -
17741     A                      -        -            -                                 -
12050     A             28,611,565.00    02/01/99                              
11639     A             15,828,610.00    01/01/99      US Fire Ins.              1,000,000.00                       01/01/99
17187     A              1,500,000.00    03/01/99      St Paul's Surplus         5,000,000.00                       03/01/99
11272     A             15,885,000.00    06/30/99      -                                 -
11384     A             15,895,000.00    06/30/99      -                                 -
 9328     A                      -        -            -                                 -                           -
16956     A             21,633,000.00    06/30/99      Lloyd's                     500,000.00                       12/30/99
 6129     A                              06/01/99                                                                    -
 8673                       97,000.00    07/26/99      -                                 -                           -
 8673     A         
 8673     B         
 6131     A             28,499,271.00    06/01/99                                                                    -
 9436     A                799,000.00    10/08/99      -                                 -                           -
</TABLE>

<TABLE>
<CAPTION>
                                                           BSCMSI 1999-C1
                                                 PRELIMINARY COLLATERAL INFORMATION

                                                           Liability           Liability
Loan#  Property ID  Liability Hazard Insurance Issuer   Insurance Amount  Insurance Expiration           Manager Name
- -----  -----------  ---------------------------------   ----------------  --------------------           ------------
<S>      <C>        <C>                                   <C>                   <C>            <C>
11969               
11969     A         National Surety Corp.                 2,000,000.00                         CB Richard Ellis
11969     B         Fireman's Fund Ins. Co.               2,000,000.00          03/01/99       Finsilver/Friedman Management Co.
16464     A         Fireman's Fund                        2,000,000.00          10/01/99       American Assets, Inc.
 9691     A         Reliance National                    12,000,000.00          01/31/99       Intown Management Company
16462     A         Fireman's Fund                        2,000,000.00          10/01/99       American Assets, Inc.
 8484     A         Kemper                                7,500,000.00          04/05/99       Capital Commercial Properties, Inc.
16363     A         General Accident                      2,000,000.00          10/31/00       Beckville Management Corp
17918     A         St. Paul Fire & Marine Ins. Co.       2,000,000.00          03/30/99       Joseph Toczlowski
 8747     A         Republic Franklin Insurance Co.       2,000,000.00          01/01/99       Woodruff Property Management Co.
 9529     A         Selective Ins. Co.                    2,000,000.00          10/23/99       James E. Hanson Management Co
17820     A         -                                             -              -             Alan Kahn Associates
 9144     A         Hartford Fire Ins. Co.                5,000,000.00          01/23/99       Charles Dunn & Co.
 9100               
 9100     A         Vesta Ins. Co.                        2,000,000.00          03/02/99       Ramesh Patel
 9100     B         Citizens Ins.                         2,000,000.00          03/02/99       Suresh Patel
 9100     C         CAN Insurance                         1,000,000.00          09/17/99       Raju Patel
 9100     D         Citizens Ins.                         2,000,000.00          03/02/99       Navin Patel
16771     A         Greater NY Mutual                     2,000,000.00          12/19/99       ATA Enterprises
 9586     A         Millers Mutual Insurance Company      2,000,000.00          12/17/99       Self Managed
11853     A         Greater New York Mutual               2,000,000.00          04/02/99       Michael Jaffe
 8722     A         Republic Franklin Insurance Co.       2,000,000.00          01/01/99       Woodruff Property Management
 9412     A         The Travelers                         2,000,000.00          07/11/99       N/A
16718     A         Commerce & Industry                   2,000,000.00          04/30/99       All Florida Hospitality
                                                                                                 Management, Inc.
 8548     A         Assurance Co. of America              2,000,000.00          06/10/99       Main Street Cos.
11931     A         National Surety Corp.                 5,000,000.00          10/09/99       Self Managed
12073     A         Fireman's Fund Insurance Corp.        4,000,000.00          04/29/99       James H. Simon, Jr.
 9291     A         Fireman's Fund                        4,000,000.00          07/08/99       Woodruff Property Management
16814     A         Royal ns. Co.                         2,000,000.00          03/15/99       Vicky McMahon
 5193     A         -                                             -              -             Rubin-Pachulski-Dew Properties, Inc.
17735     A         Travelers                             2,000,000.00          02/15/99       Jack Elo
 6073     A         Greater NY Mutual                     2,000,000.00          10/01/99       Synchron Corporation
11472     A         Wausau Insurance                     20,000,000.00          04/01/99       Lorrain Management
16823     A         Fireman's Fund                        2,000,000.00          09/30/99       Mid Valley Properties
11423     A         Gerling Global                        2,000,000.00          10/01/99       RMI
11516     A         Liberty Mutual                        1,000,000.00          01/01/99       Tedeschi Realty Corp.
11721     A         General Accidental Insurance          2,000,000.00          03/30/99       The Mount Vernon Co.
 9056     A         Mid Century Ins.                      2,000,000.00          02/26/99       Globe Properties/DMM Development
16561     A         Merrimack                             2,000,000.00          12/24/99       James Hanson Management Co.
16496     A                                                                                    Rubin Properties Inc
11839     A         Kemper Insurance                      2,000,000.00          05/01/99       M & M Powers
 9565     A         Hanover Lloyds Ins. Co.               2,000,000.00          03/21/99       IPL Management Co.
 9513     A         Zurich                                2,000,000.00          08/15/99       John B. Sullivan, Jr. Corp.
 8939     A         Fireman's Fund                        2,000,000.00          06/01/99       Separovich Domich
17637               
17637     A         American Casualty                     2,000,000.00          01/01/99       Georgetown Apartments, Inc.
17637     B         American Casualty                     2,000,000.00          01/01/99       Georgetown Apartments, Inc.
 9709     A         Scottsdale Insurance Co.              2,000,000.00          12/06/99       Sylvia Inc.
 9424     A         Dakota Fire Insurance Co.             2,000,000.00          12/01/99       Saramar Enterprises, Inc.
 9556     A         State Farm                            2,000,000.00          05/17/99       Countryside Asset Management Corp.
16936     A         Chubb Insurance                       2,000,000.00          07/01/99       Alfred Weissman Real Estate, Inc.
12147     A         Clarendon National Ins. Co.           2,000,000.00          05/15/99       Realty Trust Group
16826     A         Fireman's Fund                        2,000,000.00          09/30/99       Mid Valley Properties
11506     A         Royal Indemnity Co.                   2,000,000.00          06/30/99       Metropolitan Management Corp.
11997     A         General Accident Insurance Co.        2,000,000.00          12/10/99       Raymond Torbati
12022     A         Cincinnati Insurance Co.              1,000,000.00          07/01/00       Mid Continental Management Corp.
 6561     A         St. Paul Insurance Co.                2,000,000.00          10/07/99       Woo Properties, LP
11868     A         Travelers Property & Casualty Co.     2,000,000.00          07/03/99       Dr. Ernst A. Nussbaumer
 9491     A         Harleysville Mutual                   2,000,000.00          08/03/99       Summit Management and Realty Co.
11895               
11895     A         Greenwich Insurance Co                3,000,000.00          07/25/99       Principals
11895     B         Greenwich Insurance Co                3,000,000.00          09/25/99       Principals
16830     A         Fireman's Fund                        2,000,000.00          09/30/99       Mid Valley Properties
12074     A         United National Insurance Company     2,000,000.00          09/09/99       The Commonwealth Group
11102     A         St. Paul Fire & Marine                2,000,000.00          02/05/99       William Goldstein
11552     A         American Casualty                     2,000,000.00          07/23/00       Turnpike Properties, LLC
 8487     A         Hartford of Midwest                   1,000,000.00          09/12/99       Miller Realty
12075     A         United National Insurance Company     2,000,000.00          09/09/99       The Commonwealth Group
11279     A         Burns & Wilcox, Ltd.                  2,000,000.00          09/01/99       Monticello Management
17138     A         Erie Insurance Ex.                    2,000,000.00          11/01/99       Atul Patel
 6019     A         Zurich Insurance                      2,000,000.00          12/28/99       Joe Crail
17702     A         General Insurance of Trieste          5,000,000.00          08/15/99       Kurtin Properties & Management Co.
11978     A         Maryland Casualty                     2,000,000.00          10/31/99       Martin & Robert
12252     A         Zurich Insurance Company              2,000,000.00          06/30/01       Metropolitan Management Corp.
 9125     A         National Union Fire Insurance         2,000,000.00          03/01/99       Brandywine Construction &
                                                                                                 Management Inc.
11207     A         Yasuda Insurance Co.                  2,000,000.00          08/01/99       Top 10 Properties
17027     A         Traveller's Insurance Co              6,050,050.00          10/01/99       Frank Budwey
16820     A         Fireman's Fund                        2,000,000.00          09/30/99       Mid Valley Properties
12178     A         USF&G Co.                             2,000,000.00          12/01/99       Amerimar Enterprises, Inc.
16609     A         Deans & Homer (Greenwich Ins.)        1,000,000.00          09/30/99       Mid Valley Properties
11162               Reliance Insurance Co.                1,000,000.00          07/01/99
11162     A                                                                                    Marin Management Corp.
11162     B                                                                                    Marin Management Corp.
11162     C                                                                                    Marin Management Corp.
12203               Interstate Fire & casualty            2,000,000.00          12/18/99
12203     A         Slaton Insurance                      3,000,000.00          04/11/99       Rodberg Property Management
12203     B         Slaton Insurance                      3,000,000.00          03/05/99       Rodberg Property Management
11999     A         Republic Western                      2,000,000.00          11/04/99       N/A
11116     A         Quincy                                2,000,000.00          07/01/99       The Heller Group
11411     A                                                                                    John & Katherine Cornelius
16393     A                                                                                    American Assets
16498     A         Cigna Companies                       2,000,000.00          04/01/99       White Brothers Investments
 9327     A         Royal Indemnity Co.                   1,000,000.00          06/30/99       Metropolitan Management Corp.
 9382     A         Safeco Insurance                      2,000,000.00          03/09/99       Martin Smith Inc.
11687     A         Midwest Family Mutual                 2,000,000.00          09/30/99       Nicollet Village
 9422     A         Travelers' Insurance                  2,000,000.00          06/01/99       Wharton Realty Group, Inc.
11845     A         Commercial Union                      2,000,000.00          05/04/99       Kenneth S. Ray
16829     A         Fireman's Fund                        2,000,000.00          09/30/99       Mid Valley Properties
12033     A         Legion Insurance Co.                  2,000,000.00          04/24/99       Progressive Build Management Company
 9280     A         Travelers Property & Casualty Co.     2,000,000.00          01/21/99       Woodland Management
12253     A         Royal Indemnity Co.                   2,000,000.00          06/30/01       Metropolitan Management Corp.
16957     A         -                                             -              -             Steaven Jones Development Co.
17417     A         Indiana Insurance                     2,000,000.00          06/23/99       Joseph Sindeldecker
17137     A         Great American Insurance              2,000,000.00          05/20/99       Self Managed
17140     A         Farmer's Fund                         2,000,000.00                         Barry Jensen
11647     A         General Accident Insurance Co.        2,000,000.00          12/10/99       Task International Group, Inc.
17194     A         Fireman's Fund                        4,000,000.00          05/31/99       Self Managed
11260     A         Chubb                                 2,000,000.00          06/30/99       Steaven Jones Development Co.
 9072     A         Cigna Insurance Co.                   2,000,000.00          10/01/99       Gloria Tam & Tenny Tsai-Eng
17704     A         Allied Group Insurance                5,000,000.00          08/04/99       Harivaden Patel
12257     A         Royal Ins. Co.                        3,000,000.00          01/01/99       Punia & Marx
11851     A         American Casualty Co.                 2,000,000.00          07/01/00       Turnpike Properties, LLC
11098     A         State Farm                            2,972,100.00          12/07/99       Sharon Rozsay
11599     A         Fireman's Fund                        2,000,000.00          01/01/99       Norris & Stevens
11265     A         Chubbs                                2,000,000.00          06/30/99       Steaven Jones Development Co.
 5296     A         Citizens Insurance Co.                2,000,000.00          04/15/99       Holland Hospitality Inc.
17741     A         American Modern Llouds                2,000,000.00          04/30/99       Wigg Enterprises, Inc.
12050     A         Transportation Insurance Company      2,000,000.00          02/01/99       Metropolitan Management Company
11639     A         US Fire Insurance Co.                 2,000,000.00          01/01/99       Manekin
17187     A         Fireman's Fund                        2,000,000.00          03/01/99       Ruben Pachulski Dew Properties, LLC
11272     A         Chubb                                 2,000,000.00          06/30/99       Steaven Jones Development Co.
11384     A                                                                                    Steaven Jones Development Co.
 9328     A         National Union Fire Ins. Co.   
                      of Pittsburgh, PA                   1,000,000.00          06/30/99       Metropolitan Management Corp.
16956     A         -                                             -              -             Steaven Jones Development Co.
 6129     A         Fireman's Fund                                              06/01/99       Jim Harrison
 8673               Fireman's Fund                        2,000,000.00          07/26/99       Pittsford Management, Inc.
 8673     A         
 8673     B         
 6131     A         Fireman's Fund                        2,000,000.00          06/01/99       N/A
 9436     A         Fireman's Fund                        2,000,000.00          10/08/99       Professional Property Management Co.
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