Payment Date: 01/25/01
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
Bank of America, FSB, Master Servicer
------------------------------------------------------------
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
- ----------------------------------------------------------------------------------------------------------------------------------
Senior A1 152,120,880.72 7.500000% 1,155,129.54 950,755.50 2,105,885.04 0.00 0.00
A2 3,092,000.00 7.500000% 0.00 19,325.00 19,325.00 0.00 0.00
A3 2,542,000.00 7.500000% 0.00 15,887.50 15,887.50 0.00 0.00
A4 2,043,000.00 7.500000% 0.00 12,768.75 12,768.75 0.00 0.00
A5 10,000,000.00 7.500000% 0.00 62,500.00 62,500.00 0.00 0.00
A6 22,500,000.00 7.500000% 0.00 140,625.00 140,625.00 0.00 0.00
APO 1,786,233.02 0.000000% 1,941.80 0.00 1,941.80 0.00 0.00
Residual AR 0.00 7.500000% 0.00 0.00 0.00 0.00 0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate B1 5,794,588.04 7.500000% 4,695.54 36,216.18 40,911.71 0.00 0.00
B2 1,671,725.28 7.500000% 1,354.65 10,448.28 11,802.93 0.00 0.00
B3 1,003,233.24 7.500000% 812.95 6,270.21 7,083.16 0.00 0.00
B4 669,482.40 7.500000% 542.50 4,184.27 4,726.77 0.00 0.00
B5 446,651.72 7.500000% 361.94 2,791.57 3,153.51 0.00 0.00
B6 446,362.82 7.500000% 361.70 2,789.77 3,151.47 0.00 0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals - - 204,116,157.25 - 1,165,200.62 1,264,562.03 2,429,762.65 - -
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information
- --------------------------------------------------------------------------------
Ending Cert. Unpaid
Type Class Code Name Notional Bal. Interest
- --------------------------------------------------------------------------------
Senior A1 150,965,751.19 0.00
A2 3,092,000.00 0.00
A3 2,542,000.00 0.00
A4 2,043,000.00 0.00
A5 10,000,000.00 0.00
A6 22,500,000.00 0.00
APO 1,784,291.22 0.00
Residual AR 0.00 0.00
- --------------------------------------------------------------------------------
Subordinate B1 5,789,892.51 0.00
B2 1,670,370.63 0.00
B3 1,002,420.29 0.00
B4 668,939.90 0.00
B5 446,289.79 0.00
B6 446,001.12 0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals - - 202,950,956.63 -
- --------------------------------------------------------------------------------
Payment Date: 01/25/01
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
Bank of America, FSB, Master Servicer
------------------------------------------------------------
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.
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Senior A1 152,120,880.72 7.500000% 060506KM3 6.681684 5.499511 873.240116
A2 3,092,000.00 7.500000% 060506KN1 0.000000 6.250000 1,000.000000
A3 2,542,000.00 7.500000% 060506KP6 0.000000 6.250000 1,000.000000
A4 2,043,000.00 7.500000% 060506KQ4 0.000000 6.250000 1,000.000000
A5 10,000,000.00 7.500000% 060506KR2 0.000000 6.250000 1,000.000000
A6 22,500,000.00 7.500000% 060506KS0 0.000000 6.250000 1,000.000000
APO 1,786,233.02 0.000000% 060506KT8 1.062878 0.000000 976.661050
Residual AR 0.00 7.500000% 060506KU5 0.000000 0.000000 0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate B1 5,794,588.04 7.500000% 060506KV3 0.802519 6.189741 989.556060
B2 1,671,725.28 7.500000% 060506KW1 0.802519 6.189741 989.556060
B3 1,003,233.24 7.500000% 060506KX9 0.802519 6.189741 989.556061
B4 669,482.40 7.500000% 060506KY7 0.802519 6.189741 989.556064
B5 446,651.72 7.500000% 060506KZ4 0.802519 6.189741 989.556066
B6 446,362.82 7.500000% 060506LA8 0.802519 6.189741 989.556052
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals - - 204,116,157.25 - - - - -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-12
Bank of America, FSB, Master Servicer
------------------------------------------------------------
- --------------------------------------------------------------------------------
COLLATERAL INFORMATION
- --------------------------------------------------------------------------------
Total
-----
Prin balance 202,950,956.57 202,950,956.57
Loan count 566 566
Avg loan rate 7.946224% 7.95
Prepay amount 999,620.98 999,620.98
- --------------------------------------------------------------------------------
FEES AND ADVANCES
- --------------------------------------------------------------------------------
Total
-----
Master serv fees 83,249.33 83,249.33
Sub servicer fees 0.00 0.00
Trustee fees 765.44 765.44
Agg advances N/A N/A
Adv this period 0.00 0.00
- --------------------------------------------------------------------------------
LOSSES & INSURANCE COVERAGES
- --------------------------------------------------------------------------------
Total
-----
Realized losses 0.00 0.00
Cumulative losses 0.00 0.00
Coverage Amounts Total
- ---------------- -----
Bankruptcy 0.00 0.00
Fraud 2,250,137.38 2,250,137.38
Special Hazard 0.00 0.00
Aggregate Certificate Information
-----------------------------------------------------------------------------
Class Aggregate Aggregate Aggregate
Type Percentage Prepay Pct. End Cert. Bal.
-----------------------------------------------------------------------------
Senior 95.088917% 100.000000% 194,084,113.74
-----------------------------------------------------------------------------
Junior 4.911083% 0.000000% 10,023,914.23
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- --------------------------------------------------------------------------------
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 3 1,132,797.42
Foreclosure 0 0.00
Totals: 3 1,132,797.42
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
OTHER INFORMATION
- --------------------------------------------------------------------------------
Amount/Withdrawal Total/Ending Bal.
----------------- -----------------
Available remittance amount 2,429,762.65 2,429,762.65
Principal remittance amount 1,165,200.62 1,165,200.62
Interest remittance amount 1,264,562.03 1,264,562.03