<PAGE>
Current Page: 1
-------
[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary
08-08-2000 13:56:52
30 year deal for August
<TABLE>
<CAPTION>
Count Original Balance Current Balance Average Original Bal Gross WAC Gross Adjustments WA Gross Rate
----- ---------------- --------------- -------------------- --------- ----------------- -------------
607 151,329,119.00 151,197,318.35 298,479.52 8.717 .000 8.717
Sched. WAM Actual WAM WALTV WALA
---------- ---------- ----- ----
358.187 357.629 74.173 .117
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 53 21,756,269.32 14.39 1-24 Months (1 Mo-2 Years) 2 652,350.00 .43
CT 7 1,895,663.27 1.25 25-48 Months (2-4 Years) 0 .00 .00
FL 71 19,034,533.85 12.59 49-72 Months (4-6 Years) 0 .00 .00
IL 20 6,692,367.81 4.43 73-96 Months (6-8 Years) 0 .00 .00
NJ 28 8,113,723.35 5.37 97-120 Months (8-10 Years) 0 .00 .00
NY 82 25,478,166.97 16.85 121-144 Months (10-12 Years) 1 223,547.37 .15
TX 38 12,023,223.57 7.95 145-168 Months (12-14 Years) 0 .00 .00
Other 208 56,203,370.21 37.17 169-192 Months (14-16 Years) 0 .00 .00
-------------------------------------------------------- 193-216 Months (16-18 Years) 0 .00 .00
TOTAL: 507 151,197,318.35 100.00 217-240 Months (18-20 Years) 1 180,000.00 .12
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) 503 150,141,420.98 99.30
FULL 367 123,488,379.45 81.67 -------------------------------------------------------------------
NIV 140 27,708,938.90 18.33 TOTAL: 507 151,197,318.35 100.00
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: 507 151,197,318.35 100.00 0 Months Old 333 109,795,047.06 72.62
1 Month Old 151 35,705,060.64 23.61
PROPERTY TYPE DISTRIBUTION 2 Months Old 16 3,203,234.72 2.12
-------------------------- 3 Months Old 1 360,721.75 .24
Property Type Count Balance Percent 4 Months Old 2 526,821.26 .35
------------- ----- ------- ------- 5 Months Old 4 1,606,432.92 1.06
Single Family 345 102,429,985.05 57.75 6 Months Old 0 .00 .00
Multi Family 7 2,984,000.00 1.97 7 Months Old 0 .00 .00
COOP 23 5,557,904.86 3.68 8 Months Old 0 .00 .00
PUD 97 31,203,149.13 20.64 9 Months Old 0 .00 .00
Condo -High Rise 9 3,317,788.75 2.19 10 Months Old 0 .00 .00
-Low Rise 24 5,052,140.56 3.34 11 Months Old 0 .00 .00
---------------------------------- 12 Months Old 0 .00 .00
Total Condo 33 8,369,929.31 5.54 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 2 652,350.00 .43 4-6 Years (49-72 Months Old) 0 .00 .00
-------------------------------------------------------- 6-8 Years (73-96 Months Old) 0 .00 .00
TOTAL: 507 151,197,318.35 100.00 8-10 Years (97-120 Months Old) 0 .00 .00
10 + Years (121+ Months Old) 0 .00 .00
OCCUPANCY DISTRIBUTION -------------------------------------------------------------------
---------------------- TOTAL: 507 151,197,318.35 100.00
Occupancy Count Balance Percent
--------- ----- ------- -------
None 2 652,350.00 .43
Primary 487 145,739,219.95 96.39
Vacation 17 4,750,998.40 3.14
Investor 1 54,750.00 .04
Other 0 .00 .00
--------------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
PURPOSE DISTRIBUTION
--------------------
Purpose Count Balance Percent
------- ----- ------- -------
Cash Out Refi 100 25,430,619.00 16.82
Purchase 351 111,442,781.16 73.71
Rate Term Refi 56 14,323,918.19 9.47
Other 0 .00 .00
--------------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
</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
-------
[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary 08-08-2000 13:56:52
30 year deal for August
Count Original Balance Current Balance Average Original Bal
----- ---------------- --------------- --------------------
507 151,329,119.00 151,197,318.35 298,479.52
<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 27 7,215,030.32 4.77 0-50,000.00 12 476,206.14 .31
50.01-60.00 35 10,118,645.65 6.69 50,000.01-100,000.00 50 4,137,965.61 2.74
60.01-70.00 95 25,081,311.06 16.59 100,000.01-150,000.00 57 7,264,938.46 4.80
70.01-75.00 70 20,455,350.69 13.53 150,000.01-200,000.00 36 6,278,925.60 4.15
75.01-80.00 210 71,036,080.63 46.98 200,000.01-225,000.00 6 1,289,154.40 .85
80.01-85.00 8 1,734,411.69 1.15 225,000.01-252,700.00 22 5,412,918.21 3.58
85.01-90.00 36 10,400,229.20 6.88 252,700.01-350,000.00 166 50,984,007.40 33.72
90.01-95.00 26 5,156,259.11 3.41 350,000.01-400,000.00 62 23,271,452.36 15.39
95.01-100.00 0 .00 .00 400,000.01-500,000.00 51 22,787,372.32 15.07
100.01+ 0 .00 .00 500,000.01-650,000.00 35 20,602,677.85 13.63
--------------------------------------------------------- 650,000.01-1,000,000.00 10 8,691,700.00 5.75
TOTAL: 507 151,197,318.35 100.00 1,000,000.01+ 0 .00 .00
-----------------------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
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 9.3750 5 764,213.27 .51
5.750 .0000 .0000 0 .00 .00 9.500 .0000 9.5000 8 1,302,601.36 .86
5.875 .0000 .0000 0 .00 .00 9.625 .0000 9.6250 4 889,960.94 .59
6.000 .0000 .0000 0 .00 .00 9.750 .0000 9.7500 2 747,000.00 .49
6.125 .0000 .0000 0 .00 .00 9.875 .0000 9.8750 5 613,743.39 .41
6.250 .0000 .0000 0 .00 .00 10.000 .0000 10.0000 1 487,500.00 .32
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 7.3750 1 118,750.00 .08 11.125 .0000 .0000 0 .00 .00
7.500 .0000 7.5000 1 488,000.00 .32 11.250 .0000 .0000 0 .00 .00
7.625 .0000 7.6250 1 950,000.00 .63 11.375 .0000 .0000 0 .00 .00
7.750 .0000 7.7500 1 311,920.00 .21 11.500 .0000 .0000 0 .00 .00
7.875 .0000 7.8750 4 1,279,124.30 .85 11.625 .0000 .0000 0 .00 .00
8.000 .0000 8.0000 8 2,330,073.62 1.54 11.750 .0000 .0000 0 .00 .00
8.125 .0000 8.1250 1 320,000.00 .21 11.875 .0000 .0000 0 .00 .00
8.250 .0000 8.2500 23 7,033,113.10 4.65 12.000 .0000 .0000 0 .00 .00
8.375 .0000 8.3750 30 9,860,313.39 6.52 12.125 .0000 .0000 0 .00 .00
8.500 .0000 8.5000 76 25,115,495.45 16.61 12.250 .0000 .0000 0 .00 .00
8.625 .0000 8.6250 63 18,996,350.52 12.56 12.375 .0000 .0000 0 .00 .00
8.750 .0000 8.7500 89 28,445,516.34 18.81 12.500 .0000 .0000 0 .00 .00
8.875 .0000 8.8750 92 27,774,747.06 18.37 12.625 .0000 .0000 0 .00 .00
9.000 .0000 9.0000 40 9,815,760.34 6.49 12.750 .0000 .0000 0 .00 .00
9.125 .0000 9.1250 27 7,649,266.50 5.06 12.875 .0000 .0000 0 .00 .00
9.250 .0000 9.2500 25 5,903,866.87 3.90 >12.875 .0000 .0000 0 .00 .00
Other: WAC 0 .0000 .0000 0 .00 .00
---------------------------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
</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
-------
[LOGO] Chase Manhattan Mortgage Corporation - Pool Summary 08-08-2000 13:56:52
30 year deal for August
<TABLE>
<CAPTION>
Count Original Balance Current Balance Average Original Bal
----- ---------------- --------------- --------------------
507 151,329,119.00 151,197,318.35 298,479.52
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 84 24,147,362.26 15.97 <80.01 437 133,906,418.35 88.56
2-500 1 43,200.00 .03 80.01-85.00 2 374,000.00 .25
500.01-600 10 2,327,836.74 1.54 85.01-90.00 7 2,207,298.40 1.46
600.01-700 197 53,962,063.24 35.69 90.01-95.00 7 1,390,950.00 .92
700.01-800 212 69,673,991.71 46.08 95.01-100.00 0 .00 .00
800.01+ 3 1,042,864.40 .69 100.01+ 0 .00 .00
---------- ---- -------------- ----- ----------------------------------------------------------
TOTAL 507 151,197,318.35 100.00 AGG UNINSURED 453 137,878,666.75 91.19
Max Score: 999 Min Score: 111 AGG INSURED 54 13,318,651.60 8.81
Wtd Avg. Score (FICO>1): 706 ----------------------------------------------------------
TOTAL 507 151,197,318.35 100.00
INTL/DOMESTIC BORROWERS DISTRIBUTION
------------------------------------
Int'l/Domes Count Balance Percent
----------- ----- ------- -------
International 0 .00 .00
Domestic 507 151,197,318.35 100.00
----------------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
FULL STATE DISTRIBUTION
-----------------------
State Count Balance Percent State Count Balance Percent
----- ----- ------- ------- ----- ----- ------- -------
AL 1 138,000.00 .09 NC 8 1,862,371.24 1.23
AR 0 .00 .00 ND 0 .00 .00
AZ 4 1,220,000.00 .81 NE 0 .00 .00
CA 53 21,756,269.32 14.39 NH 0 .00 .00
CO 10 3,328,710.40 2.20 NJ 28 8,113,723.35 5.37
CT 7 1,895,663.27 1.25 NM 1 81,000.00 .05
DC 1 250,000.00 .17 NV 2 642,000.00 .42
DE 2 872,000.00 .58 NY 82 25,478,166.97 16.85
FL 71 19,034,533.85 12.59 OH 13 1,363,333.89 .90
GA 14 4,455,528.00 2.95 OK 6 1,072,083.06 .71
HI 1 223,547.37 .15 OR 1 307,200.00 .20
IA 0 .00 .00 PA 34 8,629,042.86 5.71
ID 0 .00 .00 RI 2 412,251.56 .27
IL 20 6,692,367.81 4.43 SC 4 644,566.35 .43
IN 1 109,200.00 .07 SD 0 .00 .00
KS 2 508,920.00 .34 TN 5 1,782,627.39 1.18
KY 0 .00 .00 TX 38 12,023,223.57 7.95
LA 2 646,319.54 .43 UT 1 121,550.00 .08
MA 10 3,617,816.38 2.39 VA 27 8,794,494.06 5.82
MD 20 5,909,725.52 3.91 VT 0 .00 .00
ME 1 52,000.00 .03 WA 8 2,527,607.76 1.67
MI 16 3,860,387.12 2.55 WI 0 .00 .00
MN 4 847,137.18 .56 WV 1 275,000.00 .18
MO 3 676,600.00 .45 WY 0 .00 .00
MS 0 .00 .00 UNKNOWN 3 972,350.00 .64
MT 0 .00 .00 --------------------------------------------------
TOTAL: 507 151,197,318.35 100.00
</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.