Payment Date: 04/25/00
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-3
Bank of America Mortgage Trust
------------------------------------------------------------
<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 1A1 21,751,110.52 6.500000% 440,848.66 117,818.52 558,667.18 0.00 0.00
1A2 36,720,224.77 6.650000% 744,240.71 203,491.25 947,731.96 0.00 0.00
1A3 31,774,000.00 6.500000% 0.00 172,109.17 172,109.17 0.00 0.00
1A4 1,754,362.36 7.000000% 0.00 10,233.78 10,233.78 0.00 0.00
1A5 71,234,595.41 6.750000% 0.00 400,694.60 400,694.60 0.00 0.00
1A6 30,201,740.52 8.114934% 172,241.80 76,115.30 248,357.09 0.00 0.00
1A7 0.00 7.000000% 0.00 0.00 0.00 0.00 0.00
1A8 33,200,000.00 7.000000% 0.00 193,666.67 193,666.67 0.00 0.00
1A9 1,800,893.00 7.000000% 0.00 10,505.21 10,505.21 0.00 0.00
2A1 25,378,979.11 6.500000% 643,596.59 137,469.47 781,066.06 0.00 0.00
2A2 24,109,000.00 6.500000% 0.00 130,590.42 130,590.42 0.00 0.00
2A3 13,675,450.01 6.500000% 0.00 74,075.35 74,075.35 0.00 0.00
2A4 0.00 6.500000% 0.00 0.00 0.00 0.00 0.00
2A5 0.00 6.500000% 0.00 0.00 0.00 0.00 0.00
2A6 22,255,942.57 6.500000% 92,951.86 120,553.02 213,504.88 0.00 0.00
1X1 0.00 0.052423% 0.00 0.00 0.00 0.00 0.00
1X2 92,220,065.39 0.052423% 0.00 4,028.69 4,028.69 0.00 0.00
1X3 56,838,000.00 0.052423% 0.00 2,483.00 2,483.00 0.00 0.00
1X4 71,245,463.32 0.052423% 0.00 3,112.40 3,112.40 0.00 0.00
2X 1,213,778.51 6.500000% 0.00 6,574.63 6,574.63 0.00 0.00
2PO 241,211.82 0.000000% 1,046.83 0.00 1,046.83 0.00 0.00
Residual R1 0.00 6.750000% 0.00 0.00 0.00 0.00 0.00
R2 0.00 6.500000% 0.00 0.01 0.01 0.00 0.00
R3 0.00 6.750000% 0.00 0.00 0.00 0.00 0.00
SEG 93,198,420.45 0.000000% 0.00 0.00 0.00 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
Subordinate 1M 5,806,897.71 6.750000% 5,635.73 32,663.80 38,299.53 0.00 0.00
1B1 2,668,246.42 6.750000% 2,589.60 15,008.89 17,598.48 0.00 0.00
1B2 1,412,196.68 6.750000% 1,370.57 7,943.61 9,314.18 0.00 0.00
1B3 1,098,920.78 6.750000% 1,066.53 6,181.43 7,247.96 0.00 0.00
1B4 784,662.83 6.750000% 761.53 4,413.73 5,175.26 0.00 0.00
1B5 785,373.65 6.750000% 762.12 4,417.73 5,179.84 0.00 0.00
2M 860,057.01 6.500000% 3,592.02 4,658.64 8,250.67 0.00 0.00
2B1 401,791.97 6.500000% 1,678.08 2,176.37 3,854.46 0.00 0.00
2B2 286,068.48 6.500000% 1,194.76 1,549.54 2,744.30 0.00 0.00
2B3 344,393.12 6.500000% 1,438.36 1,865.46 3,303.82 0.00 0.00
2B4 172,196.56 6.500000% 719.18 932.73 1,651.91 0.00 0.00
2B5 229,308.64 6.500000% 957.71 1,242.09 2,199.80 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
Totals - - 327,193,261.57 - 2,116,692.64 1,746,575.48 3,863,268.13 - -
----------------------------------------------------------------------------------------------------------------------------------
Class Information
--------------------------------------------------------------------------------
Ending Cert. Unpaid
Type Class Code Name Notional Bal. Interest
--------------------------------------------------------------------------------
Senior 1A1 21,310,261.85 0.00
1A2 35,975,984.06 0.00
1A3 31,774,000.00 0.00
1A4 1,733,064.98 0.00
1A5 71,234,595.41 0.00
1A6 30,157,621.03 0.00
1A7 0.00 0.00
1A8 33,200,000.00 0.00
1A9 1,800,893.00 0.00
2A1 24,735,382.51 0.00
2A2 24,109,000.00 0.00
2A3 13,675,450.01 0.00
2A4 0.00 0.00
2A5 0.00 0.00
2A6 22,162,990.71 0.00
1X1 0.00 0.00
1X2 91,002,454.26 0.00
1X3 56,838,000.00 0.00
1X4 71,245,463.32 0.00
2X 1,202,989.23 0.00
2PO 240,164.99 0.00
Residual R1 0.00 0.00
R2 0.00 0.00
R3 0.00 0.00
SEG 93,198,420.45 0.00
--------------------------------------------------------------------------------
Subordinate 1M 5,801,261.98 0.00
1B1 2,665,656.82 0.00
1B2 1,410,826.11 0.00
1B3 1,097,854.25 0.00
1B4 783,901.29 0.00
1B5 784,611.53 0.00
2M 856,464.99 0.00
2B1 400,113.89 0.00
2B2 284,873.72 0.00
2B3 342,954.76 0.00
2B4 171,477.38 0.00
2B5 228,350.93 0.00
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Totals - - 325,204,691.24 -
--------------------------------------------------------------------------------
</TABLE>
<PAGE>
Payment Date: 04/25/00
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-3
Bank of America Mortgage Trust
------------------------------------------------------------
<TABLE>
<CAPTION>
Class Information Current Payment Information
Factors per $1,000
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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 1A1 21,751,110.52 6.500000% 055240FD2 17.633947 4.712741 852.410474
1A2 36,720,224.77 6.650000% 055240FE0 17.633947 4.821496 852.410474
1A3 31,774,000.00 6.500000% 055240FF7 0.000000 5.416667 1,000.000000
1A4 1,754,362.36 7.000000% 055240FG5 0.000000 5.354311 906.739081
1A5 71,234,595.41 6.750000% 055240FH3 0.000000 3.461366 615.353876
1A6 30,201,740.52 8.114934% 055240GJ8 3.888722 1.718463 680.871864
1A7 0.00 7.000000% 055240FJ9 0.000000 0.000000 0.000000
1A8 33,200,000.00 7.000000% 055240FK6 0.000000 5.833333 1,000.000000
1A9 1,800,893.00 7.000000% 055240FL4 0.000000 5.833333 1,000.000000
2A1 25,378,979.11 6.500000% 055240FX8 23.574967 5.035512 906.057967
2A2 24,109,000.00 6.500000% 055240FY6 0.000000 5.416667 1,000.000000
2A3 13,675,450.01 6.500000% 055240FZ3 0.000000 1.693151 312.581714
2A4 0.00 6.500000% 055240GA7 0.000000 0.000000 0.000000
2A5 0.00 6.500000% 055240GB5 0.000000 0.000000 0.000000
2A6 22,255,942.57 6.500000% 055240GC3 3.866550 5.014685 921.921411
1X1 0.00 0.052423% 055240FT7 0.000000 0.000000 0.000000
1X2 92,220,065.39 0.052423% 055240FU4 0.000000 0.040239 908.942901
1X3 56,838,000.00 0.052423% 055240FV2 0.000000 0.043686 1,000.000000
1X4 71,245,463.32 0.052423% 055240FW0 0.000000 0.023013 526.783514
2X 1,213,778.51 6.500000% 055240GH2 0.000000 3.665991 670.782299
2PO 241,211.82 0.000000% 055240GD1 3.326813 0.000000 763.244096
Residual R1 0.00 6.750000% 055240FM2 0.000000 0.000000 0.000000
R2 0.00 6.500000% 055240FN0 0.000000 0.214440 0.000000
R3 0.00 6.750000% 055240FP5 0.000000 0.000000 0.000000
SEG 93,198,420.45 0.000000% 0.000000 0.000000 625.702722
------------------------------------------------------------------------------------------------------------------------
Subordinate 1M 5,806,897.71 6.750000% 055240FQ3 0.953109 5.524066 981.102990
1B1 2,668,246.42 6.750000% 055240FR1 0.953109 5.524066 981.102989
1B2 1,412,196.68 6.750000% 055240FS9 0.953109 5.524066 981.102995
1B3 1,098,920.78 6.750000% 055240GK5 0.953109 5.524066 981.102995
1B4 784,662.83 6.750000% 055240GM1 0.953109 5.524066 981.102997
1B5 785,373.65 6.750000% 055240GP4 0.952978 5.524074 981.104653
2M 860,057.01 6.500000% 055240GE9 3.866550 5.014685 921.921409
2B1 401,791.97 6.500000% 055240GF6 3.866550 5.014685 921.921411
2B2 286,068.48 6.500000% 055240GG4 3.866550 5.014685 921.921409
2B3 344,393.12 6.500000% 055240GR0 3.866550 5.014685 921.921404
2B4 172,196.56 6.500000% 055240GT6 3.866550 5.014685 921.921404
2B5 229,308.64 6.500000% 055240GV1 3.866544 5.014678 921.920104
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
Totals - - 327,193,261.57 - - - - -
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-3
Bank of America Mortgage Trust
------------------------------------------------------------
--------------------------------------------------------------------------------
COLLATERAL INFORMATION
--------------------------------------------------------------------------------
Total
-----
Prin balance 237,997,465.66 87,207,224.26 325,204,689.92
Loan count 734 279 1013
Avg loan rate 7.425457% 7.044853% 7.32
Prepay amount 1,009,197.34 379,846.64 1,389,043.98
--------------------------------------------------------------------------------
FEES AND ADVANCES
--------------------------------------------------------------------------------
Total
-----
Master serv fees 84,506.20 33,006.80 117,513.00
Sub servicer fees 0.00 0.00 0.00
Trustee fees 897.15 329.83 1,226.97
Agg advances N/A N/A N/A
Adv this period 0.00 0.00 0.00
--------------------------------------------------------------------------------
LOSSES & INSURANCE COVERAGES
--------------------------------------------------------------------------------
Total
-----
Realized losses 0.00 0.00 0.00
Cumulative losses 0.00 0.00 0.00
Coverage Amounts Total
---------------- -----
Bankruptcy 0.00 0.00 0.00
Fraud 2,392,388.61 879,544.00 3,271,932.60
Special Hazard 2,392,388.61 1,739,332.27 4,131,720.88
Aggregate Certificate Information
-----------------------------------------------------------------------------
Class Aggregate Aggregate Aggregate
Type Percentage Prepay Pct. End Cert. Bal.
-----------------------------------------------------------------------------
Senior 95.467714% 100.000000% 312,343,147.71
-----------------------------------------------------------------------------
Junior 4.532286% 0.000000% 14,828,347.66
-----------------------------------------------------------------------------
--------------------------------------------------------------------------------
DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period Loan Count Ending Stated Balance
------ ---------- ---------------------
30 to 59 days 0 0.00
60 to 89 days 0 0.00
90 or more 0 0.00
Foreclosure 0 0.00
Totals: 0 0.00
--------------------------------------------------------------------------------
<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 3,863,268.13 3,863,268.13
Principal remittance amount 2,116,692.64 2,116,692.64
Interest remittance amount 1,746,575.48 1,746,575.48
