Payment Date: 06/25/00
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-3
Bank of America Mortgage Trust
------------------------------------------------------------
<TABLE>
<CAPTION>
Class Information Current Payment Information
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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 20,702,030.67 6.500000% 703,105.06 112,136.00 815,241.06 0.00 0.00
1A2 34,949,168.18 6.650000% 1,186,981.96 193,676.64 1,380,658.60 0.00 0.00
1A3 31,774,000.00 6.500000% 0.00 172,109.17 172,109.17 0.00 0.00
1A4 1,703,681.36 7.000000% 0.00 9,938.14 9,938.14 0.00 0.00
1A5 71,234,595.41 6.750000% 0.00 400,694.60 400,694.60 0.00 0.00
1A6 30,096,834.20 8.098192% 198,360.21 74,985.98 273,346.19 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 24,056,257.14 6.500000% 969,230.51 130,304.73 1,099,535.24 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 22,069,363.37 6.500000% 93,646.49 119,542.38 213,188.87 0.00 0.00
1X1 0.00 0.052472% 0.00 0.00 0.00 0.00 0.00
1X2 89,317,709.94 0.052472% 0.00 3,905.58 3,905.58 0.00 0.00
1X3 56,838,000.00 0.052472% 0.00 2,485.35 2,485.35 0.00 0.00
1X4 71,245,463.32 0.052472% 0.00 3,115.34 3,115.34 0.00 0.00
2X 1,189,999.83 6.500000% 0.00 6,445.83 6,445.83 0.00 0.00
2PO 239,043.12 0.000000% 1,040.74 0.00 1,040.74 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 0.06 0.06 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 5,795,576.37 6.750000% 5,695.37 32,600.12 38,295.49 0.00 0.00
1B1 2,663,044.31 6.750000% 2,617.00 14,979.62 17,596.63 0.00 0.00
1B2 1,409,443.41 6.750000% 1,385.07 7,928.12 9,313.19 0.00 0.00
1B3 1,096,778.28 6.750000% 1,077.82 6,169.38 7,247.19 0.00 0.00
1B4 783,133.02 6.750000% 769.59 4,405.12 5,174.72 0.00 0.00
1B5 783,842.61 6.750000% 770.14 4,409.11 5,179.26 0.00 0.00
2M 852,846.86 6.500000% 3,618.87 4,619.59 8,238.46 0.00 0.00
2B1 398,423.62 6.500000% 1,690.62 2,158.13 3,848.75 0.00 0.00
2B2 283,670.27 6.500000% 1,203.69 1,536.55 2,740.24 0.00 0.00
2B3 341,505.95 6.500000% 1,449.11 1,849.82 3,298.93 0.00 0.00
2B4 170,752.98 6.500000% 724.55 924.91 1,649.46 0.00 0.00
2B5 227,386.29 6.500000% 964.86 1,231.68 2,196.54 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
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Totals - - 322,713,039.07 - 3,174,331.68 1,720,989.59 4,895,321.27 - -
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Class Information
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Ending Cert. Unpaid
Type Class Code Name Notional Bal. Interest
--------------------------------------------------------------------------------
Senior 1A1 19,998,925.61 0.00
1A2 33,762,186.22 0.00
1A3 31,774,000.00 0.00
1A4 1,669,714.38 0.00
1A5 71,234,595.41 0.00
1A6 30,026,596.30 0.00
1A7 0.00 0.00
1A8 33,200,000.00 0.00
1A9 1,800,893.00 0.00
2A1 23,087,026.63 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 21,975,716.88 0.00
1X1 0.00 0.00
1X2 87,385,356.07 0.00
1X3 56,838,000.00 0.00
1X4 71,245,463.32 0.00
2X 1,168,733.31 0.00
2PO 238,002.38 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 5,789,881.00 0.00
1B1 2,660,427.31 0.00
1B2 1,408,058.33 0.00
1B3 1,095,700.47 0.00
1B4 782,363.43 0.00
1B5 783,072.46 0.00
2M 849,227.99 0.00
2B1 396,732.99 0.00
2B2 282,466.58 0.00
2B3 340,056.85 0.00
2B4 170,028.42 0.00
2B5 226,421.42 0.00
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Totals - - 319,666,829.69 -
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</TABLE>
<PAGE>
Payment Date: 06/25/00
------------------------------------------------------------
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.
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<S> <C> <C> <C> <C> <C> <C> <C> <C>
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Senior 1A1 20,702,030.67 6.500000% 055240FD2 28.124202 4.485440 799.957025
1A2 34,949,168.18 6.650000% 055240FE0 28.124202 4.588950 799.957025
1A3 31,774,000.00 6.500000% 055240FF7 0.000000 5.416667 1,000.000000
1A4 1,703,681.36 7.000000% 055240FG5 0.000000 5.199633 873.594068
1A5 71,234,595.41 6.750000% 055240FH3 0.000000 3.461366 615.353876
1A6 30,096,834.20 8.098192% 055240GJ8 4.478400 1.692966 677.913705
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 24,056,257.14 6.500000% 055240FX8 35.502949 4.773067 845.678631
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 22,069,363.37 6.500000% 055240GC3 3.895445 4.972645 914.131318
1X1 0.00 0.052472% 055240FT7 0.000000 0.000000 0.000000
1X2 89,317,709.94 0.052472% 055240FU4 0.000000 0.039009 872.814911
1X3 56,838,000.00 0.052472% 055240FV2 0.000000 0.043727 1,000.000000
1X4 71,245,463.32 0.052472% 055240FW0 0.000000 0.023035 526.783514
2X 1,189,999.83 6.500000% 055240GH2 0.000000 3.594172 651.681327
2PO 239,043.12 0.000000% 055240GD1 3.307485 0.000000 756.371312
Residual R1 0.00 6.750000% 055240FM2 0.000000 0.000000 0.000000
R2 0.00 6.500000% 055240FN0 0.000000 1.133028 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
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Subordinate 1M 5,795,576.37 6.750000% 055240FQ3 0.963195 5.513296 979.178251
1B1 2,663,044.31 6.750000% 055240FR1 0.963195 5.513296 979.178250
1B2 1,409,443.41 6.750000% 055240FS9 0.963195 5.513296 979.178256
1B3 1,096,778.28 6.750000% 055240GK5 0.963195 5.513296 979.178256
1B4 783,133.02 6.750000% 055240GM1 0.963195 5.513296 979.178259
1B5 783,842.61 6.750000% 055240GP4 0.963014 5.513305 979.180145
2M 852,846.86 6.500000% 055240GE9 3.895445 4.972645 914.131316
2B1 398,423.62 6.500000% 055240GF6 3.895445 4.972645 914.131318
2B2 283,670.27 6.500000% 055240GG4 3.895445 4.972645 914.131316
2B3 341,505.95 6.500000% 055240GR0 3.895445 4.972645 914.131311
2B4 170,752.98 6.500000% 055240GT6 3.895445 4.972645 914.131311
2B5 227,386.29 6.500000% 055240GV1 3.895439 4.972638 914.130094
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Totals - - 322,713,039.07 - - - - -
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</TABLE>
<PAGE>
------------------------------------------------------------
BA MORTGAGE SECURITIES, INC.
Mortgage Pass-Through Certificates, Series 1998-3
Bank of America Mortgage Trust
------------------------------------------------------------
--------------------------------------------------------------------------------
COLLATERAL INFORMATION
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Total
-----
Prin balance 234,316,697.67 85,350,130.50 319,666,828.17
Loan count 725 276 1001
Avg loan rate 7.425317% 7.044592% 7.32
Prepay amount 1,740,424.19 706,871.65 2,447,295.84
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FEES AND ADVANCES
--------------------------------------------------------------------------------
Total
-----
Master serv fees 79,207.31 33,159.12 112,366.43
Sub servicer fees 0.00 0.00 0.00
Trustee fees 886.09 324.09 1,210.17
Agg advances N/A N/A N/A
Adv this period 0.00 0.00 0.00
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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 2,362,893.38 864,237.00 3,227,130.38
Special Hazard 2,362,893.38 1,721,482.97 4,084,376.35
Aggregate Certificate Information
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Class Aggregate Aggregate Aggregate
Type Percentage Prepay Pct. End Cert. Bal.
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Senior 95.418393% 100.000000% 307,906,635.11
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Junior 4.581607% 0.000000% 14,784,437.25
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--------------------------------------------------------------------------------
DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period Loan Count Ending Stated Balance
------ ---------- ---------------------
30 to 59 days 1 255,633.20
60 to 89 days 0 0.00
90 or more 0 0.00
Foreclosure 0 0.00
Totals: 1 255,633.20
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<PAGE>
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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 4,895,321.27 4,895,321.27
Principal remittance amount 3,174,331.68 3,174,331.68
Interest remittance amount 1,720,989.59 1,720,989.59
