<PAGE>
Current Page: 1
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[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary
09-05-2000 14:47:43
30 year deal for October
<TABLE>
<CAPTION>
Count Original Balance Current Balance Average Original Bal Gross WAC Gross Adjustments WA Gross Rate
----- ---------------- --------------- -------------------- --------- ----------------- -------------
318 129,183,651.00 129,182,177.24 406,237.90 8.498 .000 8.499
Sched. WAM Actual WAM WALTV WALA
---------- ---------- ----- ----
353.336 353.328 72.871 .011
STATE DISTRIBUTION LOAN AMORTIZATION DISTRIBUTION
------------------ ------------------------------
State Count Balance Percent Actual Months to Maturity Count Balance Percent
----- ----- ------- ------- ------------------------- ----- ------- -------
<S> <C> <C> <C> <C> <C> <C> <C>
CA 54 22,189,667.26 17.18 1-24 Months (1 Mo-2 Years) 4 2,260,000.00 1.75
CT 1 280,000.00 .22 25-48 Months (2-4 Years) 0 .00 .00
FL 36 15,048,525.82 11.65 49-72 Months (4-6 Years) 0 .00 .00
IL 6 2,016,200.00 1.56 73-96 Months (6-8 Years) 0 .00 .00
NJ 22 8,736,288.86 6.76 97-120 Months (8-10 Years) 0 .00 .00
NY 62 25,063,034.30 19.40 121-144 Months (10-12 Years) 0 .00 .00
TX 31 13,710,600.00 10.61 145-168 Months (12-14 Years) 0 .00 .00
Other 106 42,137,871.00 32.62 169-192 Months (14-16 Years) 0 .00 .00
-------------------------------------------------------- 193-216 Months (16-18 Years) 0 .00 .00
TOTAL: 318 129,182,177.24 100.00 217-240 Months (18-20 Years) 1 351,000.00 .27
241-264 Months (20-22 Years) 0 .00 .00
DOC TYPE DISTRIBUTION 265-288 Months (22-24 Years) 0 .00 .00
--------------------- 289-312 Months (24-26 Years) 0 .00 .00
Doc Type Count Balance Percent 313-336 Months (26-28 Years) 0 .00 .00
-------- ----- ------- ------- 337+ Months (28+ Years) 313 126,571,177.24 97.98
FULL 285 115,334,819.98 89.28 -------------------------------------------------------------------
NIV 33 13,847,357.26 10.72 TOTAL: 318 129,182,177.24 100.00
NO RATIO 0 .00 .00
NINA 0 .00 .00 LOAN 1st PAYMENT DISTRIBUTION
ALT 0 .00 .00 -----------------------------
Other 0 .00 .00 1st Payment Date Count Balance Percent
-------------------------------------------------------- ---------------- ----- ------- -------
TOTAL: 318 129,182,177.24 100.00 0 Months Old 307 124,518,851.00 96.39
1 Month Old 10 4,376,050.42 3.39
PROPERTY TYPE DISTRIBUTION 2 Months Old 0 .00 .00
-------------------------- 3 Months Old 0 .00 .00
Property Type Count Balance Percent 4 Months Old 0 .00 .00
------------- ----- ------- ------- 5 Months Old 1 287,275.82 .22
Single Family 231 93,468,032.24 72.35 6 Months Old 0 .00 .00
Multi Family 4 1,683,000.00 1.30 7 Months Old 0 .00 .00
COOP 7 2,817,250.00 2.18 8 Months Old 0 .00 .00
PUD 47 19,374,470.00 15.00 9 Months Old 0 .00 .00
Condo -High Rise 7 2,976,400.00 2.30 10 Months Old 0 .00 .00
-Low Rise 18 6,603,025.00 5.11 11 Months Old 0 .00 .00
---------------------------------- 12 Months Old 0 .00 .00
Total Condo 25 9,579,425.00 7.42 1-2 Years (13-24 Months Old) 0 .00 .00
Condotels 0 .00 .00 2-3 Years (25-36 Months Old) 0 .00 .00
Manufac. House 0 .00 .00 3-4 Years (37-48 Months Old) 0 .00 .00
Other 4 2,260,000.00 1.75 4-6 Years (49-72 Months Old) 0 .00 .00
-------------------------------------------------------- 6-8 Years (73-96 Months Old) 0 .00 .00
TOTAL: 318 129,182,177.24 100.00 8-10 Years (97-120 Months Old) 0 .00 .00
10 + Years (121+ Months Old) 0 .00 .00
OCCUPANCY DISTRIBUTION -------------------------------------------------------------------
---------------------- TOTAL: 318 129,182,177.24 100.00
Occupancy Count Balance Percent
--------- ----- ------- -------
None 4 2,260,000.00 1.75
Primary 296 119,162,177.24 92.24
Vacation 18 7,760,000.00 6.01
Investor 0 .00 .00
Other 0 .00 .00
--------------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
PURPOSE DISTRIBUTION
--------------------
Purpose Count Balance Percent
------- ----- ------- -------
Cash Out Refi 40 16,157,368.49 12.51
Purchase 248 99,688,994.07 77.17
Rate Term Refi 30 13,335,814.68 10.32
Other 0 .00 .00
--------------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
</TABLE>
THE INFORMATION CONTAINED HEREIN WILL BE SUPERSEDED BY THE DESCRIPTION OF THE
MORTGAGE LOANS CONTAINED IN THE PROSPECTUS SUPPLEMENT. THE INFORMATION CONTAINED
HEREIN SUPERSEDES THE INFORMATION IN ALL PRIOR COLLATERAL TERM SHEETS, IF ANY.
<PAGE>
Current Page: 2
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[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary 09-05-2000 14:47:43
30 year deal for October
Count Original Balance Current Balance Average Original Bal
----- ---------------- --------------- --------------------
318 129,183,651.00 129,182,177.24 406,237.90
<TABLE>
<CAPTION>
LTV DISTRIBUTION ORIGINAL BALANCE DISTRIBUTION
---------------- -----------------------------
LTV Count Balance Percent Count Balance Percent
--- ----- ------- ------- ----- ------- -------
<S> <C> <C> <C> <C> <C> <C> <C>
0-50.00 19 8,712,000.00 6.74 0-50,000.00 0 .00 .00
50.01-60.00 20 9,585,596.12 7.42 50,000.01-100,000.00 0 .00 .00
60.01-70.00 43 20,075,011.23 15.54 100,000.01-150,000.00 0 .00 .00
70.01-75.00 32 14,023,875.00 10.86 150,000.01-200,000.00 0 .00 .00
75.01-80.00 161 62,857,888.89 48.66 200,000.01-225,000.00 0 .00 .00
80.01-85.00 7 2,519,856.00 1.95 225,000.01-252,700.00 0 .00 .00
85.01-90.00 23 7,667,200.00 5.94 252,700.01-350,000.00 158 48,062,160.01 37.20
90.01-95.00 13 3,740,750.00 2.90 350,000.01-400,000.00 57 21,596,250.00 16.72
95.01-100.00 0 .00 .00 400,000.01-500,000.00 52 23,901,317.23 18.50
100.01+ 0 .00 .00 500,000.01-650,000.00 31 18,163,400.00 14.06
--------------------------------------------------------- 650,000.01-1,000,000.00 19 16,094,050.00 12.46
TOTAL: 318 129,182,177.24 100.00 1,000,000.01+ 1 1,365,000.00 1.06
-----------------------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
NOTE RATE DISTRIBUTION
----------------------
Note Gross WA Gross Note Gross WA Gross
---- ----- -------- ---- ----- --------
Rate Adjmts Rate Cnt Balance Percent Rate Adjmts Rate Cnt Balance Percent
---- ------ ---- --- ------- ------- ---- ------ ---- --- ------- -------
<5.750 .0000 .0000 0 .00 .00 9.375 .0000 .0000 0 .00 .00
5.750 .0000 .0000 0 .00 .00 9.500 .0000 .0000 0 .00 .00
5.875 .0000 .0000 0 .00 .00 9.625 .0000 .0000 0 .00 .00
6.000 .0000 .0000 0 .00 .00 9.750 .0000 .0000 0 .00 .00
6.125 .0000 .0000 0 .00 .00 9.875 .0000 .0000 0 .00 .00
6.250 .0000 .0000 0 .00 .00 10.000 .0000 .0000 0 .00 .00
6.375 .0000 .0000 0 .00 .00 10.125 .0000 .0000 0 .00 .00
6.500 .0000 .0000 0 .00 .00 10.250 .0000 .0000 0 .00 .00
6.625 .0000 .0000 0 .00 .00 10.375 .0000 .0000 0 .00 .00
6.750 .0000 .0000 0 .00 .00 10.500 .0000 .0000 0 .00 .00
6.875 .0000 .0000 0 .00 .00 10.625 .0000 .0000 0 .00 .00
7.000 .0000 .0000 0 .00 .00 10.750 .0000 .0000 0 .00 .00
7.125 .0000 .0000 0 .00 .00 10.875 .0000 .0000 0 .00 .00
7.250 .0000 .0000 0 .00 .00 11.000 .0000 .0000 0 .00 .00
7.375 .0000 .0000 0 .00 .00 11.125 .0000 .0000 0 .00 .00
7.500 .0000 .0000 0 .00 .00 11.250 .0000 .0000 0 .00 .00
7.625 .0000 7.6250 1 950,000.00 .74 11.375 .0000 .0000 0 .00 .00
7.750 .0000 7.7500 1 311,920.00 .24 11.500 .0000 .0000 0 .00 .00
7.875 .0000 7.8750 4 1,382,750.00 1.07 11.625 .0000 .0000 0 .00 .00
8.000 .0000 8.0000 13 4,835,750.00 3.74 11.750 .0000 .0000 0 .00 .00
8.125 .0000 8.1250 18 6,945,563.26 5.38 11.875 .0000 .0000 0 .00 .00
8.250 .0000 8.2500 38 16,271,550.00 12.60 12.000 .0000 .0000 0 .00 .00
8.375 .0000 8.3750 49 18,968,650.00 14.68 12.125 .0000 .0000 0 .00 .00
8.500 .0000 8.5000 72 28,393,408.86 21.98 12.250 .0000 .0000 0 .00 .00
8.625 .0000 8.6250 44 17,943,280.00 13.89 12.375 .0000 .0000 0 .00 .00
8.750 .0000 8.7500 40 17,070,186.23 13.21 12.500 .0000 .0000 0 .00 .00
8.875 .0000 8.8750 30 12,804,868.89 9.91 12.625 .0000 .0000 0 .00 .00
9.000 .0000 9.0000 4 1,706,000.00 1.32 12.750 .0000 .0000 0 .00 .00
9.125 .0000 9.1250 2 1,018,250.00 .79 12.875 .0000 .0000 0 .00 .00
9.250 .0000 9.2500 2 580,000.00 .45 >12.875 .0000 .0000 0 .00 .00
Other: WAC 0 .0000 .0000 0 .00 .00
---------------------------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
</TABLE>
THE INFORMATION CONTAINED HEREIN WILL BE SUPERSEDED BY THE DESCRIPTION OF THE
MORTGAGE LOANS CONTAINED IN THE PROSPECTUS SUPPLEMENT. THE INFORMATION CONTAINED
HEREIN SUPERSEDES THE INFORMATION IN ALL PRIOR COLLATERAL TERM SHEETS, IF ANY.
<PAGE>
Current Page: 3
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[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary 09-05-2000 14:47:43
30 year deal for October
<TABLE>
<CAPTION>
Count Original Balance Current Balance Average Original Bal
----- ---------------- --------------- --------------------
318 129,183,651.00 129,182,177.24 406,237.90
FICO CREDIT SCORES UNINSURED LOANS (NO MI) BY LTV
------------------ ------------------------------
FICOScore Count Balance Percent LTV Count Balance Percent
--------- ----- ------- ------- --- ----- ------- -------
<S> <C> <C> <C> <C> <C> <C> <C>
0-1/Unknown 69 27,940,650.00 21.63 <80.01 275 115,254,371.24 89.22
2-500 0 .00 .00 80.01-85.00 5 1,884,056.00 1.46
500.01-600 4 1,456,400.00 1.13 85.01-90.00 10 3,107,600.00 2.41
600.01-700 90 36,391,638.35 28.17 90.01-95.00 5 1,527,850.00 1.18
700.01-800 153 62,521,588.89 48.40 95.01-100.00 0 .00 .00
800.01+ 2 871,900.00 .67 100.01+ 0 .00 .00
---------- ---- -------------- ----- ----------------------------------------------------------
TOTAL 318 129,182,177.24 100.00 AGG UNINSURED 295 121,773,877.24 94.27
Max Score: 804 Min Score: 581 AGG INSURED 23 7,408,300.00 5.73
Wtd Avg. Score (FICO>1): 716 ----------------------------------------------------------
TOTAL 318 129,182,177.24 100.00
INTL/DOMESTIC BORROWERS DISTRIBUTION
------------------------------------
Int'l/Domes Count Balance Percent
----------- ----- ------- -------
International 0 .00 .00
Domestic 318 129,182,177.24 100.00
----------------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
FULL STATE DISTRIBUTION
-----------------------
State Count Balance Percent State Count Balance Percent
----- ----- ------- ------- ----- ----- ------- -------
AL 1 278,100.00 .22 NC 4 1,492,100.00 1.16
AR 0 .00 .00 ND 0 .00 .00
AZ 4 1,474,000.00 1.14 NE 0 .00 .00
CA 54 22,189,657.26 17.18 NH 0 .00 .00
CO 5 2,307,000.00 1.79 NJ 22 8,736,288.86 6.76
CT 1 280,000.00 .22 NM 0 .00 .00
DC 0 .00 .00 NV 2 846,900.00 .66
DE 2 628,000.00 .49 NY 62 25,063,034.30 19.40
FL 36 15,048,525.82 11.65 OH 2 744,900.00 .58
GA 13 4,730,920.00 3.66 OK 1 795,000.00 .62
HI 1 1,000,000.00 .77 OR 0 .00 .00
IA 1 284,000.00 .22 PA 11 3,861,170.00 2.99
ID 0 .00 .00 RI 0 .00 .00
IL 6 2,016,200.00 1.56 SC 1 350,000.00 .27
IN 1 330,000.00 .26 SD 0 .00 .00
KS 1 840,000.00 .65 TN 2 668,700.00 .52
KY 0 .00 .00 TX 31 13,710,600.00 10.61
LA 0 .00 .00 UT 0 .00 .00
MA 3 875,700.00 .68 VA 14 5,101,600.00 3.95
MD 15 5,430,456.00 4.20 VT 0 .00 .00
ME 0 .00 .00 WA 6 1,999,325.00 1.55
MI 8 2,979,000.00 2.31 WI 0 .00 .00
MN 1 1,365,000.00 1.06 WV 0 .00 .00
MO 2 1,199,000.00 .93 WY 0 .00 .00
MS 1 297,000.00 .23 UNKNOWN 4 2,260,000.00 1.75
MT 0 .00 .00 --------------------------------------------------
TOTAL: 318 129,182,177.24 100.00
</TABLE>
THE INFORMATION CONTAINED HEREIN WILL BE SUPERSEDED BY THE DESCRIPTION OF THE
MORTGAGE LOANS CONTAINED IN THE PROSPECTUS SUPPLEMENT. THE INFORMATION CONTAINED
HEREIN SUPERSEDES THE INFORMATION IN ALL PRIOR COLLATERAL TERM SHEETS, IF ANY.