<PAGE>
 
                                                                EXHIBIT 10(pppp)

                             CERTIFICATE OF SELLER
                             ---------------------


    THIS CERTIFICATE OF SELLER (this "Certificate") is made this 8th day of
July, 1998 by Madison Plaza Venture, an Illinois general partnership ("Seller"),
in favor of Overseas Partners (Madison Plaza) LLC, an Illinois limited liability
company.



                                  WITNESSETH:
                                  -----------


    WHEREAS, Seller and Overseas Partners Capital Corp., a Delaware corporation,
entered into that certain Purchase and Sale Agreement dated June 30, 1998 (the
"Agreement").  All capitalized terms used but not defined herein shall have the
meaning ascribed to such terms in the Agreement; and

    WHEREAS, Paragraph 4.2(g) of the Agreement requires Seller to deliver to
Purchaser this certificate at closing.

    NOW, THEREFORE, as part of the consideration for the purchase of the
Property by Purchaser, Seller hereby certifies that, except as set forth on
Exhibit A attached hereto, the representations and warranties of Seller
contained in the Agreement are true and correct in all material respects as of
the date hereof.

    IN WITNESS WHEREOF, this Certificate has been executed as of the date first
set forth above.

                              MADISON PLAZA VENTURE, an Illinois general
                              Partnership

                              By:   MW Associates, an Illinois general
                                    partnership, its Managing Venturer

                                    By:  The Equitable Life Assurance Society of
                                         the United States, its Managing
                                         Venturer

                                         By:  /s/ Michael A. Lunder
                                         Name:  Michael A. Lunder
                                         Title:  Investment Officer
<PAGE>
 
EXHIBIT A


1.   July rent delinquencies

                                       2
<PAGE>
 
<TABLE> 
<CAPTION> 
                                             AGED DELINQUENT AND PREPAID BALANCES                                   
                                                  EQUITABLE REAL ESTATE MGMT.

----------------------------------------------------------------------------------------------------------------------------
Invoice Date        Category     Source         Amount       Current          30            60           90          120
----------------------------------------------------------------------------------------------------------------------------
<S>                 <C>        <C>                           <C>         <C>               <C>          <C>         <C> 
269301-0002         000002     UNITED PARCEL SERVICE, INC.   Occupied    Day Due:   1    Delq. Day:   0
                               DAVE SMACIARZ                 0002        Last Payment:  10/28/97         900.00
                               (312) 990-2900
----------------------------------------------------------------------------------------------------------------------------
 01/01/97  BR        Base Rent      CH           50.00                                                               50.00
                     AUTOCHRG
 11/01/97  BR        Base Rent      CH          100.00                                                              100.00
                     AUTOCHRG
 12/01/97  BR        Base Rent      CH          100.00                                                              100.00
                     AUTOCHRG
 01/01/98  BR        Base Rent      CH          100.00                                                              100.00
                     AUTOCHRG
 02/01/98  BR        Base Rent      CH          100.00                                                 100.00
                     AUTOCHRG
 03/01/98  BR        Base Rent      CH          100.00                                   100.00
                     AUTOCHRG
 04/01/98  BR        Base Rent      CH          100.00                     100.00
                     AUTOCHRG
 05/01/98  BR        Base Rent      CH          100.00        100.00
                     AUTOCHRG
 06/01/98  BR        Base Rent      CH          100.00        100.00
                     AUTOCHRG
                     Total:                     850.00        100.00       100.00        100.00        100.00       450.00
----------------------------------------------------------------------------------------------------------------------------
269301-0003         000119     AIRBORNE EXPRESS              Occupied    Day Due:   1    Delq. Day:   0
                                                             0003        Last Payment:  01/05/98       400.00
----------------------------------------------------------------------------------------------------------------------------
 01/01/98  BR        Base Rent      CH          400.00                                                              400.00
                     97-98 ANNU
                     Total:                     400.00          0.00         0.00          0.00          0.00       400.00
----------------------------------------------------------------------------------------------------------------------------
269301-0125         000181     KARAD DRUG COMPANY, INC.      Occupied    Day Due:   1    Delq. Day:   0
                               ROGER RADEKE                  0125        Last Payment:  06/12/98     2,926.83
                               (312) 977-0330
----------------------------------------------------------------------------------------------------------------------------
 06/12/98   MNO      Misc. Non-     CR        1,458.83CR    1,458.83CR
                     UNALLOCATE
                     Total:                   1,458.83CR    1,458.83CR       0.00          0.00          0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-0130         000006     UNITED AIRLINES, INC.         Occupied    Day Due:   1    Delq. Day:   0
                               JIM KRAUSER                   0130        Last Payment:  06/19/98        17.90
                               (312) 294-4890
----------------------------------------------------------------------------------------------------------------------------
 06/01/98  OC        Escal-Op E     CH          603.68        603.68
                     AUTOCHRG
                     Total:                     603.68        603.68         0.00          0.00          0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-0520         000165     ADECCO EMPLOYMENT SERVICES    Occupied    Day Due:   1    Delq. Day:   0
                               R.E. ACCOUNTS PAYABLE         0520        Last Payment:  06/20/98        12.17
----------------------------------------------------------------------------------------------------------------------------
 03/05/98  MNO       Misc. Non-     CR          170.61CR                                                 170.61CR
                     UNALLOCATE
                     Total:                     170.61CR        0.00         0.00          0.00          170.61CR       0.00
----------------------------------------------------------------------------------------------------------------------------
269301-0590         000195     DELAWARE CHARTER/TRUST        Occupied    Day Due:   1    Delq. Day:   0
                               CONSULT                       0590        Last Payment:  06/23/98     4,323.75
----------------------------------------------------------------------------------------------------------------------------
 03/01/98  OC        Escal-Op       CH        2,008.28                                               2,008.28
                     AUTOCHRG
 03/01/98  RC        Esc-RE Tax     CH          540.49                                                 540.49
                     AUTOCHRG
 03/01/98  SVC       Service re     CH           15.00                                                  15.00
                     WORKORDER
 06/23/98  MNO       Misc. Non-     CR        2,470.62CR    2,470.62CR
                     UNALLOCATE
                     Total:                      93.15      2,470.62CR       0.00          0.00      2,563.77         0.00
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                        
                                                  EQUITABLE REAL ESTATE MGMT.

============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
----------------------------------------------------------------------------------------------------------------------------
<S>                 <C>          <C>            <C>          <C>              <C>           <C>          <C>         <C> 
269301-0700         000188     COLUMN FINANCIAL INC.         Occupied  Day Due:   1    Delq. Day:   0
                               JENNIFER JOHNSON              0700  Last Payment:  06/20/98           6,317.43
----------------------------------------------------------------------------------------------------------------------------
 04/28/98   MNO      Misc. Non-     CR       79,559.01CR                              79,559.01CR                     0.00
                     UNALLOCATE
                     Total:                  79,559.01CR        0.00         0.00     79,559.01CR        0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-0800         000015     THE HARTFORD INSURANCE        Occupied  Day Due:   1    Delq. Day:   0
                               LAURAN CLOGSTON               0800  Last Payment:  05/29/98         239,330.44
                               (203) 547-2891
----------------------------------------------------------------------------------------------------------------------------
 01/30/98   MNO      Misc. Non-     CR        5,077.93CR                                                          5,077.93CR
                     UNALLOCATE
 02/27/98   MNO      Misc. Non-     CR       59,911.81CR                                                         59,911.81CR
                     UNALLOCATE
 03/31/98   MNO      Misc. Non-     CR        5,940.43CR                                             5,940.43CR
                     UNALLOCATE
 04/29/98   MNO      Misc. Non-     CR          447.56CR                                 447.56CR
                     UNALLOCATE
 05/29/98   MNO      Misc. Non-     CR          241.56CR                   241.56CR
                     UNALLOCATE
                     Total:                  71,619.29CR        0.00       241.56CR      447.56CR    5,940.43CR  64,989.74CR
----------------------------------------------------------------------------------------------------------------------------
269301-1020         000197     BEAR STEARNS & CO.            Occupied  Day Due:   1    Delq. Day:   0
                                                             1020  Last Payment:  06/19/98             295.80
----------------------------------------------------------------------------------------------------------------------------
 03/31/98   SVC      Service re     CH          360.00                                                 360.00
                     WORKORDER
 03/31/98   SVC      Service re     CH          190.00                                                 190.00
                     WORKORDER
 05/01/98   BR       Base Rent      CH        5,760.45                   5,760.45
                     AUTOCHRG
 05/01/98   OC       Escal -Op E    CH        5,471.49                   5,471.49

 05/01/98   RC       Esc - RE Tax   CH        7,605.14                   7,605.14
 
 05/01/98   SVC      Service re     CH          930.64                     930.64
                     WORKORDERS
 06/01/98   BR       Base Rent      CH        6,056.25      6,056.25
                     AUTOCHRG
 06/01/98   SVC      Service re     CH           18.00         18.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           16.00         16.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           15.00         15.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           15.00         15.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           89.70         89.70
                     WORKORDERS
 06/01/98   SVC      Service re     CH           89.70         89.70
                     WORKORDERS
 06/01/98   SVC      Service re     CH           10.00         10.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           40.00         40.00
                     WORKORDERS
 06/01/98   SVC      Service re     CH           30.00         30.00
                     WORKORDERS
                     Total:                  26,682.37      6,364.65    19,767.72          0.00        550.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-1300         000145     OFFICE OF THRIFT SUPERVISION  Occupied  Day Due:   1    Delq. Day:   0
                                                             1300  Last Payment:  06/19/98             100.00
----------------------------------------------------------------------------------------------------------------------------
 03/15/98   MNO      Misc. Non-     CR            1.00CR                                                 1.00CR
                     UNALLOCATE
 06/01/98   BR       Base Rent      CH       39,367.05     39,367.05
                     AUTOCHRG
 06/01/98   SRC      Cleaning - B   CH           25.00         25.00
                     AUTOCHRG
                     Tota:l:                 39,391.05     39,392.05         0.00          0.00          1.00CR         0.00
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION> 
                                             AGED DELINQUENT AND PREPAID BALANCES                        
                                                  EQUITABLE REAL ESTATE MGMT.

============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
----------------------------------------------------------------------------------------------------------------------------
<S>               <C>       <C>                             <C>        <C>                               <C>         <C> 
269301-1600       000018    NATIONAL FUTURES ASSOCIATION    Occupied   Day Due:   1    Delq. Day:   0
                            CANDICE  EDWARDS                1600       Last Payment:  06/20/98         20.00
                            (312) 781-1300
----------------------------------------------------------------------------------------------------------------------------
 05/23/98   MNO      Misc. Non-     CR          295.00CR                   295.00CR
                     UNALLOCATE
                     Total:                     295.00CR        0.00       295.00CR       0.00          0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-1835       000021    ACCUWORD INTERNATIONAL          Occupied   Day Due:   1    Delq. Day:   0
                            KELLY KEELEAN                   1835       Last Payment:  06/08/98      4,727.35
                            (203) 236-2351
----------------------------------------------------------------------------------------------------------------------------
 06/15/98   BR       Base Rent      NC        2,422.22CR    2,422.22CR
                     REMOVE CHA
 06/15/98   OC       Escal-Op E     NC           54.59CR       54.59CR
                     REMOVE CHA
 06/15/98   SA       Base Rent      NC           50.00CR       50.00CR
                     REMOVE CHA
                     Total:                   2,526.81CR    2,526.81CR       0.00          0.00          0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-1840       000022    FAIRCHILD COMMUNICATIONS        Occupied  Day Due:   1    Delq. Day:   0
                            TRACY MILLINCAMP                1840  Last Payment:  06/19/98           4,417.00
                            (708) 947-7000
----------------------------------------------------------------------------------------------------------------------------
 04/01/98   MIT      Misc Oper      CH          591.03                                   591.03
                     AUTOCHRG
 06/01/98   SVC      Service re     CH           89.70         89.70
                     WORKORDERS
 06/01/98   SVC      Service re     CH          305.67        305.67
                     WORKORDERS
 06/01/98   SVC      Service re     CH          418.60        418.60
                     WORKORDERS
 06/01/98   SVC      Service re     CH          119.60        119.60
                     WORKORDERS
 06/01/98   SVC      Service re     CH          301.30        301.30
                     WORKORDERS
                     Total:                   1,825.90      1,234.87         0.00        591.03          0.00         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-1900       000170    SCA CONSULTING                  Occupied   Day Due:   1    Delq. Day:   0
                            JIM KNIGHT                      1900       Last Payment:  06/19/98          10.00
----------------------------------------------------------------------------------------------------------------------------
 02/23/98   MNO      Misc. Non-     CR        1,227.06CR                                                          1,227.06CR
                     UNALLOCATE
 03/03/98   MNO      Misc. Non-     CR          786.92CR                                               786.92CR
                     UNALLOCATE
                     Total:                   2,013.98CR        0.00         0.00          0.00        786.92CR   1,227.06CR
----------------------------------------------------------------------------------------------------------------------------
269301-1950       000028    ROSENBLUM & SMITH               Occupied   Day Due:   1    Delq. Day:   0
                            BRIAN VANDENBERG                1950       Last Payment:  06/23/98       8,650.71
                            (312) 977-9000
----------------------------------------------------------------------------------------------------------------------------
 03/01/98   BR       Base Rent      CH        1,064.92                                               1,064.92
                     AUTOCHRG
 06/01/98   BR       Base Rent      CH       10,396.26     10,396.26
                     AUTOCHRG
 06/01/98   SVC      Service re     CH           10.00         10.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH           25.00         25.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH           50.00         50.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH           45.00         45.00
                     WORKORDERS
  06/23/98  MNO      Misc. Non-     CR         77.48CR       77.48CR
                     UNALLOCATE
                     Total:                  11,513.70     10,448.78         0.00          0.00      1,064.92         0.00
----------------------------------------------------------------------------------------------------------------------------
269301-1970       000129    KELLEY DRYE & WARREN            Occupied   Day Due:   1    Delq. Day:   0
                            JEFFREY M. CROSS                1970       Last Payment:  06/08/98       1,404.88
                            (312) 346-6350
----------------------------------------------------------------------------------------------------------------------------
 03/23/98   MNO      Misc. Non-     CR            0.01CR                                            
                                                  0.01CR

</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                                       
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>          <C>            <C>          <C>           <C>           <C>         <C>           <C> 
KELLEY DRYE & WARREN Continued:
                      UNALLOCATE
                        Total:                    0.01CR        0.00         0.00          0.00          0.01CR       0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-1975            000128  SATO TRAVEL             Occupied     Day Due:   1    Delq. Day:   0
                               ROSEMARIE ROSSI         1975         Last Payment:  06/19/98            834.41
                               703 346-6350
-------------------------------------------------------------------------------------------------------------------------------
  05/01/98  RC       Esc  RE Tax    CH          983.97                     983.97
                     AUTOCHRG
  06/01/98  PC       Parking In     CH          350.00        350.00
                     AUTOCHRG
                       Total:                 1,333.97        350.00       983.97          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2020            000140  OFFICE OF THE BUILDING  Occupied     Day Due:   1    Delq. Day:   0
                                                       2020         Last Payment:  06/19/98         15,980.48
-------------------------------------------------------------------------------------------------------------------------------
  05/01/98  BR       Base Rent      CH        6,383.20      6,383.20
                     AUTOCHRG
  06/01/98  OC       Escal Op E     CH          187.68        187.68
                     AUTOCHRG
                       Total:                 6,570.88      6,570.88         0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2060            000122  PRO STAFF PERSONNEL     Occupied     Day Due:   1    Delq. Day:   0
                               SERVICES                2060         Last Payment:  02/20/98         11,445.18
-------------------------------------------------------------------------------------------------------------------------------
 11/24/97   MNO      Misc. Non-     CR          515.77CR                                                            515.77CR
                     UNALLOCATE
                       Total                    515.77CR        0.00         0.00          0.00          0.00       515.77CR
-------------------------------------------------------------------------------------------------------------------------------
269301-2100            000137  FMC FOODTECH            Occupied     Day Due:   1    Delq. Day:   0
                               CINDY SHIAO             2100         Last Payment:  06/23/98         70,562.17
                               (312) 861-5715
-------------------------------------------------------------------------------------------------------------------------------
 02/23/98   MNO      Misc. Non-     CR        5,612.46CR    5,612.46CR
                     UNALLOCATE
                       Total:                 5,612.46CR    5,612.46CR       0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2150            000171  SLP STATISTICS, INC.    Occupied     Day Due:   1    Delq. Day:   0
                               GREG SPURRIER           2150         Last Payment:  06/23/98         10,004.74
-------------------------------------------------------------------------------------------------------------------------------
  10/01/97  BR       Base Rent      CH        1,156.38                                                            1,156.38
                     AUTOCHRG
  10/01/97  OC       Escal Op E     CH        1,390.15                                                            1,390.15
                     AUTOCHRG
  10/01/97  RC       Esc-RE Tax     CH        1,886.94                                                            1,886.94
                     AUTOCHRG
  10/01/97  SR       Base Rent      CH          329.00                                                              329.00
                     AUTOCHRG
  10/01/97  SRC      Cleaning B     CH           10.00                                                               10.00
                     WORKORDER
  10/01/97  SRC      Cleaning B     CH            3.00                                                                3.00
                     WORKORDER
  11/01/97  BR       Base Rent      CH        1,261.50                                                            1,261.50
                     AUTOCHRG
  11/01/97  OC       Escal Op E     CH        1,390.15                                                            1,390.15
                     AUTOCHRG
  11/01/97  RC       Esc-RE Tax     CH        1,886.94                                                            1,886.94
                     AUTOCHRG
  11/01/97  SR       Base Rent      CH          329.00                                                              329.00
                     AUTOCHRG
  11/01/97  SVC      Service re     CH           35.00                                                               35.00
                     WORKORDER
  02/01/98  BR       Base Rent      CH          924.92                                                              924.92
                     AUTOCHRG
  06/23/98  MNO      Misc. Non-     CR        4,994.87CR    4,994.87CR
                     UNALLOCATE
                       Total:                 5,608.11      4,994.87CR       0.00          0.00          0.00    10,602.98
</TABLE> 

<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>          <C>           <C>         <C>             <C>           <C>          <C>          <C> 
269301-2210            000194  VERIO-MIDWEST INC.      Occupied     Day Due:   1    Delq. Day:   0
                                                       2210         Last Payment:  06/23/98         13,667.85
-------------------------------------------------------------------------------------------------------------------------------
  04/27/98  MNO      Misc. Non-     CR          478.91CR                                 478.91CR
                     UNALLOCATE
  06/23/98  MNO      Misc. Non-     CR           20.00CR       20.00CR
                     UNALLOCATE
                        Total                   498.91CR       20.00CR       0.00        478.91CR        0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2260            000034  SULLIVAN, COTTER,       Occupied     Day Due:   1    Delq. Day:   0
                                 & ASSOC.              2260         Last Payment:  06/23/98          3,995.98
-------------------------------------------------------------------------------------------------------------------------------
 06/23/98   MNO      Misc. Non-     CR        3,885.35CR    3,885.35CR
                     UNALLOCATE
                        Total:                3,885.35CR    3,885.35CR       0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2420            000036  MG. METALS CORPORATION  Occupied     Day Due:   1    Delq. Day:   0
                                                       2420         Last Payment:  06/23/98          3,330.08
-------------------------------------------------------------------------------------------------------------------------------
 03/01/98   SVC      Service re     CH          758.20                                                 758.20
                     WORKORDER
                        Total:                  758.20          0.00         0.00          0.00        758.20         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2450            000180  THE HUNTER GROUP, INC.  Occupied     Day Due:   1    Delq. Day:   0
                               ACCOUNTS PAYABLE        2450         Last Payment:  06/19/98          2,553.56
                               (410)576-1515
-------------------------------------------------------------------------------------------------------------------------------
 05/01/98   OC       Escal-Op E     CH           15.00                      15.00
                     AUTOCHRG
                        Total:                   15.00          0.00        15.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2600            000039  U.S. SPRINT             Occupied     Day Due:   1    Delq. Day:   0
                               SHERRY BURTON           2600         Last Payment:  06/20/98            298.73
                               (708) 318-3000
-------------------------------------------------------------------------------------------------------------------------------
  03/01/97  MR       Esc-Misc/P     NC          452.08CR                                                            452.08CR
                     96 0/E ESC
  03/25/97  RR       Esc-RE Tax     NC        1,690.18CR                                                          1,690.18CR
                     91 R/E TAX
  03/01/98  RC       Esc-RE Tax     NC        1,939.28CR                                             1,939.28CR
                     CIRCUL. TAX
  03/01/98  RC       Esc-RE Tax     NC        1,880.44CR                                             1,880.44CR
                     CIRCULATOR
                        Total:                5,961.98CR        0.00         0.00          0.00      3,819.72CR   2,142.26CR
-------------------------------------------------------------------------------------------------------------------------------
269301-2610            000121  BARNES & THORNBURG      Occupied     Day Due:   1    Delq. Day:   0
                               CLAUDIA SCOTT           2610         Last Payment:  06/19/98          1,564.39
-------------------------------------------------------------------------------------------------------------------------------
 02/25/98   RC       Esc-RE Tax     CH          120.00                                                              120.00
                     2/15-2/28
                        Total:                  120.00          0.00         0.00          0.00          0.00       120.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2670            000134  BENEFITS COMMUNICATION  Occupied     Day Due:   1    Delq. Day:   0
                                CORP.                  2670         Last Payment:  06/19/98            725.84
                               NANCY COLE  
                               (312) 419-9030 ext. 108
-------------------------------------------------------------------------------------------------------------------------------
 05/23/98   MNO      Misc. Non-     CH          302.27CR                   302.27CR
                     UNALLOCATE
                        Total:                  302.27CR        0.00       302.27CR        0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2720            000044  FPL ADVISORY GROUP CO.  Occupied     Day Due:   1    Delq. Day:   0
                                                       2720         Last Payment:  06/18/98         16,143.58
-------------------------------------------------------------------------------------------------------------------------------
 06/01/98  SVC       Services re    CH           10.00         10.00
                     WORKORDERS
 06/18/98  MNO       Misc. Non-     CR            7.00CR        7.00CR
                     UNALLOCATE
                        Total:                    3.00          3.00         0.00          0.00          0.00         0.00
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                         
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                <C>           <C>            <C>           <C>          <C>           <C>          <C>           <C> 
269301-2805            000046  O'BRIEN KREITZBERG      Occupied     Day Due:   1    Delq. Day:   0
                                                       2805         Last Payment:  06/19/98          8,178.48
-------------------------------------------------------------------------------------------------------------------------------
 06/02/98   MNO      Misc. Non-     CR           43.93CR       43.93CR
                     UNALLOCATE
                        Total:                   43.93CR       43.93CR       0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2850            000047  SUSAN E. LOGGANS        Occupied     Day Due:   1    Delq. Day:   0
                               & ASSOCIATES            2850         Last Payment:  06/19/98            835.42
                               SUSAN LOGGANS                      
-------------------------------------------------------------------------------------------------------------------------------
  06/01/98  BR       Base Rent      CH        1,374.50      1,374.50
                     AUTOCHRG
  06/01/98  OC       Escal-Op E     CH        5,651.31      5,651.31
                     AUTOCHRG
  06/01/98  RC       Esc-Re Tax     CH        7,855.08      7,855.08
                     AUTOCHRG
  06/01/98  SRC      Cleaning-B     CH          158.00        158.00
                     AUTOCHRG
  06/01/98  SVC      Service re     CH           30.00         30.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH           90.00         90.00
                     WORKORDERS
                        Total:               15,158.89     15,158.89         0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-2900            000049  HYATT CORPORATION       Occupied     Day Due:   1    Delq. Day:   0
                               RON DEBIASE             2900         Last Payment:  06/30/98         54,067.54
                               (312) 750-8128
-------------------------------------------------------------------------------------------------------------------------------
 02/25/98   MNO      Misc. Non-     CR        1,427.84CR                                                          1,427.84CR
                     UNALLOCATE
                        Total:                1,427.84CR        0.00         0.00          0.00          0.00     1,427.84CR
-------------------------------------------------------------------------------------------------------------------------------
269301-3000            000050  HYATT CORPORATION       Occupied     Day Due:   1    Delq. Day:   0
                               RON DEBIASE             3000         Last Payment:  06/30/98         42,119.00
                               (312) 750-8128
-------------------------------------------------------------------------------------------------------------------------------
 02/25/98   MNO      Misc. Non-     CR        3,629.71CR                                                          3,629.71CR
                     UNALLOCATE
                        Total:                3,629.71CR        0.00         0.00          0.00          0.00     3,629.71CR
-------------------------------------------------------------------------------------------------------------------------------
269301-3300            000102  TOWERS PERRIN           Occupied     Day Due:   1    Delq. Day:   0
                               MARIA PILLOT            3300         Last Payment:  06/19/98          1,106.54
                               (215) 246-3936
-------------------------------------------------------------------------------------------------------------------------------
  04/01/98  RC       Esc-RE Tax     CH       15,508.75                                15,508.75
                     AUTOCHRG
  06/01/98  PC       Parking In     CH          350.00        350.00
                     AUTOCHRG
  06/01/98  SR       Base Rent      CH        1,905.00      1,905.00
                     AUTOCHRG
  06/01/98  SRC      Cleaning-B     CH        1,908.54      1,908.54
                     AUTOCHRG
  06/01/98  SVC      Service re     CH          160.09        160.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH          315.00        315.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH          400.00        400.00
                     WORKORDERS
  06/15/98  BR       Base Rent      NC           41.50CR       41.50CR
                     REMOVE CHA
                        Total:               20,505.88      4,997.13         0.00     15,508.75          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-3440            000153  CENTURA SOFTWARE        Occupied     Day Due:   1    Delq. Day:   0
                               CORPORATION             3440         Last Payment:  06/19/98             10.00
                               ROGER SPIELER
                               (415) 617-3962
-------------------------------------------------------------------------------------------------------------------------------
 05/01/98   BR       Base Rent      CH          129.46                     129.46
                     AUTOCHRG
                        Total:                  129.46          0.00       129.46          0.00          0.00         0.00 
-------------------------------------------------------------------------------------------------------------------------------
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                         
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                <C>          <C>            <C>           <C>          <C>            <C>         <C>             <C> 
269301-3550            000146  DECISIONQUEST, INC.     Occupied     Day Due:   1    Delq. Day:   0
                                                       3550         Last Payment:  06/03/98          5,842.82
-------------------------------------------------------------------------------------------------------------------------------
  06/01/98  SVC      Service re     CH           30.00         30.00
                     WORKORDERS
  06/01/98  SVC      Service re     CH           20.00         20.00
                     WORKORDERS
                        Total:                   50.00         50.00         0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-3630            000054  MIDWEST MORTGAGE        Occupied     Day Due:   1    Delq. Day:   0
                               MANAGEMENT CO           3630         Last Payment:  05/04/98          1,724.13
                               SCOTT CLEAVE 
                               (312)  407-6999     
-------------------------------------------------------------------------------------------------------------------------------
  06/01/98  BR       Base Rent      CH        1,645.08      1,645.08
                     AUTOCHRG
  06/01/98  OC       Escal-Op E     CH           20.20         20.20
                     AUTOCHRG
  06/01/98  RC       Esc-Re Tax     CH           58.85         58.85
                     AUTOCHRG
                        Total                 1,724.13      1,724.13         0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-3650            000056  THE BRENNER GROUP       Occupied     Day Due:   1    Delq. Day:   0
                               RICHARD HOGAN           3650         Last Payment:  06/23/98          4,837.93
                                  (312) 726-2525
-------------------------------------------------------------------------------------------------------------------------------
  04/01/98  BR       Base Rent      CH          277.78                                   277.78
                     AUTOCHRG
  05/01/98  BR       Base Rent      CH        6,295.18                   6,295.18
                     AUTOCHRG
  05/01/98  PC       Parking In     CH          350.00                     350.00
                     AUTOCHRG
  06/01/98  BR       Base Rent      CH        6,295.18      6,295.18
                     AUTOCHRG
  06/01/98  PC       Parking In     CH          350.00        350.00
                     AUTOCHRG
  06/23/98  MNO      Misc. Non-     CR        4,837.93CR    4,837.93CR
                     UNALLOCATE
                        Total:                8,730.21      1,807.25     6,645.18        277.78          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-3900            000059  HYATT CORPORAION        Occupied     Day Due:   1    Delq. Day:   0
                               RON DEBIASE             3900         Last Payment:  06/30/98        205,993.36
                                 (312) 750-8128
-------------------------------------------------------------------------------------------------------------------------------
  06/01/98  PC       Parking In     CH        7,310.00      7,310.00
                     AUTOCHRG
  06/01/98  SRC      Cleaning-B     CH        5,905.00      5,905.00
                     AUTOCHRG
  06/30/98  MNO      Misc. Non-     CR        1,495.14CR    1,495.14CR
                     UNALLOCATE
                        Total:               11,719.86     11,719.86         0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-5001            000095  THE HARTFORD            Occupied     Day Due:   1    Delq. Day:   0
                               WORK ORDERS             5001         Last Payment:  06/20/98            771.20
                               LARRY SANDLIN                  
                               (312) 704-4284
-------------------------------------------------------------------------------------------------------------------------------
 06/12/98   MNO      Misc. Non-     CR          262.20CR      262.20CR
                     UNALLOCATE
                        Total:                  262.20CR      262.20CR       0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-5004            000098  BAIRD & WARNER          Occupied     Day Due:   1    Delq. Day:   0
                               WORK ORDERS             5004         Last Payment:  06/29/98            110.00
                               JAMES L. MANN                    
                               (312) 368-1855
-------------------------------------------------------------------------------------------------------------------------------
  12/01/98  SVC      Service re     CH           45.00                                                               45.00
                     WORKORDERS
  01/01/98  SRC      Cleaning-B     CH           45.00                                                               45.00
                     AUTOCHRG
  01/01/98  SRC      Cleaning-B     CH           20.00                                                               20.00
                     AUTOCHRG
  01/01/98  SRC      Cleaning-B     CH           15.00                                                               15.00
                     WORKORDER
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES       
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                <C>          <C>            <C>          <C>           <C>           <C>           <C>          <C> 
BAIRD & WARNER  WORK ORDERS Continued:
  01/01/98  SRC      Cleaning-B     CH           15.00                                                               15.00
                     WORKORDER
  01/01/98  SRC      Cleaning-B     CH           45.00                                                               45.00
                     WORKORDER
  01/01/98  SRC      Cleaning-B     CH           20.00                                                               20.00
                     WORKORDER
  01/01/98  SRC      Cleaning-B     CH           20.00                                                               20.00
                     WORKORDER
  01/01/98  SRC      Cleaning-B     CH           30.00                                                               30.00
                     WORKORDER
  02/01/98  SVC      Service re     CH           95.00                                                               95.00
                     WORKORDER
  02/01/98  SVC      Service re     CH           30.00                                                               30.00
                     WORKORDER
  03/01/98  SVC      Service re     CH           45.00                                                  45.00
                     WORKORDER
  03/01/98  SVC      Service re     CH           90.00                                                  90.00
                     WORKORDER
  03/01/98  SVC      Service re     CH           45.00                                                  45.00
                     WORKORDER
  05/01/98  SVC      Service re     CH           65.00                      65.00
                     WORKORDER
  05/01/98  SVC      Service re     CH           15.00                      15.00
                     WORKORDER
  05/01/98  SVC      Service re     CH          383.00                     383.00
                     WORKORDER
  06/29/98  MNO      Misc. Non-     CR           35.00CR         35.00CR
                     UNC/ WO #
  06/29/98  MNO      Misc. Non-     CR          110.00CR        110.00CR
                     UNALLOCATE
                        Total:                  878.00          145.00CR   463.00          0.00        180.00       380.00
-------------------------------------------------------------------------------------------------------------------------------
269301-5007            000101  HYATT CORPORATION       Occupied     Day Due:   1    Delq. Day:   0
                               WORK ORDER              5007         Last Payment:  06/3098             605.00
                               CHRIS GILBERT  
                               (312) 750-8128      
-----------------------------------------------------------------------------------------------------------------------------
 03/06/98   MNO      Misc. Non-     CR            8.93CR                                                 8.93CR
                     UNC/ WO # 87
                        Total:                    8.93CR          0.00         0.00          0.00        8.93CR         0.00
-----------------------------------------------------------------------------------------------------------------------------
269301-5025            000201  USSNET                  Occupied     Day Due:   1    Delq. Day:   0
                                                       5025         Last Payment:
-----------------------------------------------------------------------------------------------------------------------------
  02/25/98  MNO      Misc. Non-     CH        1,000.00                                                            1,000.00
                     2/98 LICEN
  03/01/98  MNO      Misc. Non-     CH        1,000.00                                               1,000.00
                     AUTOCHRG
  04/01/98  MNO      Misc. Non-     CH        1,000.00                                 1,000.00
                     AUTOCHRG
  05/01/98  MNO      Misc. Non-     CH        1,000.00                   1,000.00
                     AUTOCHRG
  06/01/98  MNO      Misc. Non-     CH        1,000.00      1,000.00
                     AUTOCHRG
                        Total:                5,000.00      1,000.00     1,000.00      1,000.00      1,000.00     1,000.00
-----------------------------------------------------------------------------------------------------------------------------
269301-6006            000073  MERCANTILE CAPITAL      Occupied    Day Due:   1    Delq. Day:   0
                               MARKETS                 6006        Last Payment:  06/19/98              70.23
-----------------------------------------------------------------------------------------------------------------------------
 04/01/98   RC       Esc-Re Tax     CH          151.53                                   151.53
                     AUTOCHRG
                        Total:                  151.53          0.00         0.00        151.53          0.00         0.00
-----------------------------------------------------------------------------------------------------------------------------
269301-6008            000073  BRADLEY UNIVERSITY      Occupied     Day Due:   1    Delq. Day:   0
                                                       6008         Last Payment:  06/12/98          2,008.64
-----------------------------------------------------------------------------------------------------------------------------
 03/30/98   MNO      Misc. Non-     CR        1,583.32CR                                             1,583.32CR
                     UNALLOCATE
                        Total:                1,583.32CR        0.00         0.00          0.00      1,583.32CR       0.00
-----------------------------------------------------------------------------------------------------------------------------
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                     
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                <C>          <C>            <C>          <C>           <C>           <C>           <C>         <C> 
269301-6009            000076  CPC ELECTRICAL SUPPLY   Occupied     Day Due:   1    Delq. Day:   0
                               COMPANY                 6009         Last Payment:  06/2098              67.94
-------------------------------------------------------------------------------------------------------------------------------
  01/01/98  BR       Base Rent      CH        1,260.00                                                            1,260.00
                     AUTOCHRG
  02/01/98  BR       Base Rent      CH        1,260.00                                                            1,260.00
                     AUTOCHRG
  03/01/98  BR       Base Rent      CH        1,260.00                                               1,260.00
                     AUTOCHRG
  04/01/98  BR       Base Rent      CH        1,260.00                                 1.260.00
                     AUTOCHRG
  04/01/98  RC       Esc-RE Tax     CH           52.17                                    52.17
                     AUTOCHRG
  05/01/98  BR       Base Rent      CH        1,260.00                   1,260.00
                     AUTOCHRG
  05/01/98  RC       Esc-RE Tax     CH           52.17                      52.17
                     AUTOCHRG
  06/12/98  MNO      Misc. Non-     CR           15.77CR       15.77CR
                     AUTOCHRG
                        Total:                6,388.57         15.77CR   1,312.17      1.312.17      1,260.00     2,520.00
-------------------------------------------------------------------------------------------------------------------------------
269301-6010            000077  RICHARD L. GERBER       Occupied     Day Due:   1    Delq. Day:   0
                                                       6010         Last Payment:  06/12/98             19.96
-------------------------------------------------------------------------------------------------------------------------------
  01/01/98  BR       Base Rent      CH        1,069.67                                                            1,069.67
                     AUTOCHRG
  01/01/98  SRC      Cleaning-B     CH          149.50                                                              149.50
                     WORKORDER
  02/01/98  BR       Base Rent      CH        1,192.75                                                            1,192.75
                     AUTOCHRG
                        Total                 2,411.92          0.00         0.00          0.00          0.00     2,411.92
-------------------------------------------------------------------------------------------------------------------------------
269301-6011            000078  LISA KOTRA &            Occupied     Day Due:   1    Delq. Day:   0
                               ASSOCIATES              6011         Last Payment:  06/12/98          1,672.05
-------------------------------------------------------------------------------------------------------------------------------
  02/23/98  MNO      Misc. Non-     CH           42.93CR                                                             42.93CR
                     UNALLOCATE
  03/01/98  OC       Misc. Non-     NC          178.35CR                                               178.35CR
                     1997 OP. E
  03/23/98  MNO      Misc. Non-     CR           43.93CR                                                43.93CR
                     UNALLOCATE
  04/23/98  MNO      Misc. Non-     CR           76.43CR                                  76.43CR
                     AUTOCHRG
                        Total:                  341.64CR        0.00         0.00         76.43CR      222.28CR      42.93CR
-------------------------------------------------------------------------------------------------------------------------------
269301-7001            000092  LASALLE NATIONAL BANK   Occupied     Day Due:   1    Delq. Day:   0
                               ANTODRA ROUSE           7001         Last Payment:  06/11/98            275.00
-------------------------------------------------------------------------------------------------------------------------------
 06/11/98   MNO      Misc. Non-     CR          275.00CR      275.00CR
                     UNALLOCATE
                        Total:                  275.00CR      275.00CR       0.00          0.00          0.00         0.00
-------------------------------------------------------------------------------------------------------------------------------
269301-8013            000148  BEAR CONSTRUCTION       Occupied     Day Due:   1    Delq. Day:   0
                               (708) 593-6400          8013         Last Payment:  07/21/98            159.80
-------------------------------------------------------------------------------------------------------------------------------
 05/07/98   MNO      Misc. Non-     CR          148.00CR                                                            148.00CR
                     UNALLOCATE
                        Total:                  148.00CR        0.00         0.00          0.00          0.00       148.00CR
-------------------------------------------------------------------------------------------------------------------------------
</TABLE> 
<PAGE>
 
<TABLE> 
<CAPTION>
                                             AGED DELINQUENT AND PREPAID BALANCES                  
                                                  EQUITABLE REAL ESTATE MGMT.

===============================================================================================================================
Invoice Date        Category     Source         Amount       Current          30            60           90          120
-------------------------------------------------------------------------------------------------------------------------------
<S>                <C>           <C>      <C>           <C>             <C>            <C>         <C>            <C> 
Totals:
          BR      Base Rent                95,736.81     69,153.80      13.545.09      1,637.78      2,424.92     8,975.22
          MIT     Misc Oper Income-
                    tenant                    591.03          0.00           0.00        591.03          0.00         0.00
          MNO     Misc. Non-operating     182,518.52CR   24,601.58CR       161.17     79,561.91CR    7,535.15CR  70,981.05CR
          MR      Esc-Misc/Pr Yr Adj          452.08CR        0.00           0.00          0.00          0.00       452.08CR
          OC      Escal-Op Exp/ Cur        16,505.00      6,408.28       5,486.49          0.00      1,829.93     2,780.30
                    Yr Est 
          PC      Parking Income-           8,710.00      8,360.00         350.00          0.00          0.00         0.00
                    Contract
          RC      Esc-RE Taxes/Cur         32,882.31      7,913.93       8,641.25     15,712.45      3,279.23CR   3,893.88
                    Yr Est
          RR      Esc-RE Taxes/Pr           1,690.18CR        0.00           0.00          0.00          0.00     1,690.18CR
                    Yr Adj
          SR      Base rent-storage         2,513.00      1,855.00           0.00          0.00          0.00       658.00
          SRC     Cleaning-Billed 
                    to Ten.                 8,369.04      7,996.54           0.00          0.00          0.00       372.50
          SVC     Service recovery          5,830.20      2,728.36       1,393.64          0.00      1,503.20       205.00
                    income
                         Total             13,523.39CR   79,814.33      29,577.67     61,620.65CR    5,056.33CR  56,238.41CR
</TABLE>