Payment Date: 06/25/00
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-5
BANK OF AMERICA, FSB, MASTER SERVICER
------------------------------------------------------------
<TABLE>
<CAPTION>
Class Information Current Payment Information
----------------------------------------------------------------------------------------------------------------------------------
Beginning Pass Thru Principal Interest Total Principal Interest
Type Class Code Name Cert. Bal. Rate Dist. Amt. Dist. Amt. Dist. Losses Shortfalls
----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Senior IA-1 0.00 6.750000% 0.00 0.00 0.00 0.00 0.00
IA-2 124,087,359.03 6.750000% 1,485,608.13 697,991.39 2,183,599.52 0.00 0.00
IA-3 2,500,000.00 6.750000% 0.00 14,062.50 14,062.50 0.00 0.00
IA-4 38,062,479.00 6.750000% 0.00 214,101.44 214,101.44 0.00 0.00
IA-5 79,643,874.70 6.750000% 658,075.25 447,996.80 1,106,072.05 0.00 0.00
IA-6 19,926,842.00 7.200000% 0.00 119,561.05 119,561.05 0.00 0.00
IA-7 1,328,457.00 0.000000% 0.00 0.00 0.00 0.00 0.00
IA-8 44,029,314.00 6.750000% 0.00 247,664.89 247,664.89 0.00 0.00
IA-9 4,700,000.00 6.875000% 0.00 26,927.08 26,927.08 0.00 0.00
IA-10 1,950,000.00 6.750000% 0.00 10,968.75 10,968.75 0.00 0.00
IA-11 1,000,000.00 7.000000% 0.00 5,833.33 5,833.33 0.00 0.00
IA-12 87,038.00 0.000000% 0.00 0.00 0.00 0.00 0.00
I-X-1 7,014,092.35 6.750000% 0.00 39,454.27 39,454.27 0.00 0.00
I-X-2 389,893.68 6.750000% 0.00 2,193.15 2,193.15 0.00 0.00
I-PO 249,903.72 0.000000% 275.05 0.00 275.05 0.00 0.00
Residual R-I 0.00 6.750000% 0.00 0.00 0.00 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
Subordinate IM 7,458,269.76 6.750000% 6,938.64 41,952.77 48,891.41 0.00 0.00
IB-1 3,336,594.39 6.750000% 3,104.13 18,768.34 21,872.47 0.00 0.00
IB-2 1,570,161.95 6.750000% 1,460.77 8,832.16 10,292.93 0.00 0.00
IB-3 1,373,891.46 6.750000% 1,278.17 7,728.14 9,006.31 0.00 0.00
IB-4 981,350.49 6.750000% 912.98 5,520.10 6,433.07 0.00 0.00
IB-5 981,353.69 6.750000% 912.98 5,520.11 6,433.09 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
Totals - - 333,266,889.19 - 2,158,566.09 1,915,076.29 4,073,642.38 - -
----------------------------------------------------------------------------------------------------------------------------------
Class Information
--------------------------------------------------------------------------------
Ending Cert. Unpaid
Type Class Code Name Notional Bal. Interest
--------------------------------------------------------------------------------
Senior IA-1 0.00 0.00
IA-2 122,601,750.91 0.00
IA-3 2,500,000.00 0.00
IA-4 38,062,479.00 0.00
IA-5 78,985,799.45 0.00
IA-6 19,926,842.00 0.00
IA-7 1,328,457.00 0.00
IA-8 44,029,314.00 0.00
IA-9 4,700,000.00 0.00
IA-10 1,950,000.00 0.00
IA-11 1,000,000.00 0.00
IA-12 87,038.00 0.00
I-X-1 6,963,084.20 0.00
I-X-2 389,460.98 0.00
I-PO 249,628.67 0.00
Residual R-I 0.00 0.00
--------------------------------------------------------------------------------
Subordinate IM 7,451,331.12 0.00
IB-1 3,333,490.26 0.00
IB-2 1,568,701.18 0.00
IB-3 1,372,613.29 0.00
IB-4 980,437.51 0.00
IB-5 980,440.71 0.00
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Totals - - 331,108,323.10 -
--------------------------------------------------------------------------------
</TABLE>
<PAGE>
Payment Date: 06/25/00
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-5
BANK OF AMERICA, FSB, MASTER SERVICER
------------------------------------------------------------
<TABLE>
<CAPTION>
Class Information Current Payment Information
Factors per $1,000
------------------------------------------------------------------------------------------------------------------------
Beginning Pass Thru CUSIP Principal Interest Ending Cert./
Type Class Code Name Cert. Bal.(Face) Rate Numbers Dist. Dist. Notional Bal.
------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C>
------------------------------------------------------------------------------------------------------------------------
Senior IA-1 0.00 6.750000% 055240JQ9 0.000000 0.000000 0.000000
IA-2 124,087,359.03 6.750000% 055240JR7 10.815752 5.081624 892.584071
IA-3 2,500,000.00 6.750000% 055240JS5 0.000000 5.625000 1,000.000000
IA-4 38,062,479.00 6.750000% 055240JT3 0.000000 5.625000 1,000.000000
IA-5 79,643,874.70 6.750000% 055240JU0 6.593027 4.488324 791.331200
IA-6 19,926,842.00 7.200000% 055240JV8 0.000000 6.000000 1,000.000000
IA-7 1,328,457.00 0.000000% 055240JW6 0.000000 0.000000 1,000.000000
IA-8 44,029,314.00 6.750000% 055240JX4 0.000000 5.625000 1,000.000000
IA-9 4,700,000.00 6.875000% 055240JY2 0.000000 5.729167 1,000.000000
IA-10 1,950,000.00 6.750000% 055240JZ9 0.000000 5.625000 1,000.000000
IA-11 1,000,000.00 7.000000% 055240KA2 0.000000 5.833333 1,000.000000
IA-12 87,038.00 0.000000% 055240KB0 0.000000 0.000000 1,000.000000
I-X-1 7,014,092.35 6.750000% 055240KC8 0.000000 4.630336 817.184562
I-X-2 389,893.68 6.750000% 055240KD6 0.000000 1.968564 349.578609
I-PO 249,903.72 0.000000% 055240KM6 1.033824 0.000000 938.273743
Residual R-I 0.00 6.750000% 055240KH7 0.000000 0.000000 0.000000
------------------------------------------------------------------------------------------------------------------------
Subordinate IM 7,458,269.76 6.750000% 055240KE4 0.914681 5.530394 982.266485
IB-1 3,336,594.39 6.750000% 055240KF1 0.914681 5.530394 982.266483
IB-2 1,570,161.95 6.750000% 055240KG9 0.914681 5.530394 982.266482
IB-3 1,373,891.46 6.750000% 055240KJ3 0.914681 5.530394 982.266484
IB-4 981,350.49 6.750000% 055240KK0 0.914681 5.530394 982.266487
IB-5 981,353.69 6.750000% 055240KL8 0.914680 5.530401 982.267732
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
Totals - - 333,266,889.19 - - - - -
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-5
BANK OF AMERICA, FSB, MASTER SERVICER
------------------------------------------------------------
--------------------------------------------------------------------------------
COLLATERAL INFORMATION
--------------------------------------------------------------------------------
Total
-----
Prin balance 12,538,876.63 316,376,464.53 2,192,982.33 331,108,323.49
Loan count 35 999 6 1040
Avg loan rate 6.865620% 7.398443% 8.198726% 7.38
Prepay amount 1,668.00 1,846,376.30 461.14 1,848,505.44
--------------------------------------------------------------------------------
FEES AND ADVANCES
--------------------------------------------------------------------------------
Total
-----
Master serv fees 2,568.10 124,062.86 449.16 127,080.13
Sub servicer fees 0.00 0.00 0.00 0.00
Trustee fees 47.07 1,194.44 8.23 1,249.75
Agg advances N/A N/A N/A N/A
Adv this period 0.00 0.00 0.00 0.00
--------------------------------------------------------------------------------
LOSSES & INSURANCE COVERAGES
--------------------------------------------------------------------------------
Total
-----
Realized losses 0.00 0.00 0.00 0.00
Cumulative losses 0.00 0.00 0.00 0.00
Coverage Amounts Total
---------------- -----
Bankruptcy 0.00 0.00 0.00 0.00
Fraud 0.00 0.00 0.00 0.00
Special Haz 3,332,668.90 3,332,668.90 3,332,668.90 9,998,006.69
Aggregate Certificate Information
-----------------------------------------------------------------------------
Class Aggregate Aggregate Aggregate
Type Percentage Prepay Pct. End Cert. Bal.
-----------------------------------------------------------------------------
Senior 95.292751% 100.000000% 317,565,267.45
-----------------------------------------------------------------------------
Junior 4.707249% 0.000000% 15,687,014.08
-----------------------------------------------------------------------------
--------------------------------------------------------------------------------
DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period Loan Count Ending Stated Balance
------ ---------- ---------------------
30 to 59 days 1 242,925.41
60 to 89 days 2 558,543.50
90 or more 1 311,335.66
Foreclosure 0 0.00
Totals: 4 1,112,804.57
--------------------------------------------------------------------------------
<PAGE>
--------------------------------------------------------------------------------
REO INFORMATION
--------------------------------------------------------------------------------
REO Date Loan Number Ending Stated Balance Book Value
-------- ----------- --------------------- ----------
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
N/A # 0 N/A
Totals: 0 N/A
Current Total Outstanding Balance: 0.00
Current Total Outstanding Number of Loans: 0
<PAGE>
--------------------------------------------------------------------------------
OTHER INFORMATION
--------------------------------------------------------------------------------
Amount/Withdrawal Total/Ending Bal.
----------------- -----------------
Available remittance amount 4,073,642.38 4,073,642.38
Principal remittance amount 2,158,566.09 2,158,566.09
Interest remittance amount 1,915,076.29 1,915,076.29
