Payment Date: 06/25/00
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-4
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 A1 115,477,598.73 6.500000% 1,578,447.58 625,503.66 2,203,951.24 0.00 0.00
A2 182,590,547.05 6.500000% 2,078,583.02 989,032.13 3,067,615.15 0.00 0.00
A3 11,329,998.84 6.500000% 223,212.53 61,370.83 284,583.36 0.00 0.00
A4 6,457,000.00 6.500000% 0.00 34,975.42 34,975.42 0.00 0.00
A5 5,000,000.00 6.500000% 0.00 27,083.33 27,083.33 0.00 0.00
A6 19,715,000.00 6.500000% 0.00 106,789.58 106,789.58 0.00 0.00
A7 45,000,000.00 6.500000% 0.00 243,750.00 243,750.00 0.00 0.00
A8 10,000,000.00 6.250000% 0.00 52,083.33 52,083.33 0.00 0.00
A9 2,571,000.00 6.750000% 0.00 14,461.88 14,461.88 0.00 0.00
A10 2,350,000.00 6.750000% 0.00 13,218.75 13,218.75 0.00 0.00
A11 1,295,000.00 6.750000% 0.00 7,284.38 7,284.38 0.00 0.00
A12 1,377,000.00 6.750000% 0.00 7,745.63 7,745.63 0.00 0.00
A13 2,407,000.00 6.750000% 0.00 13,539.38 13,539.38 0.00 0.00
APO 537,990.01 0.000000% 1,078.65 0.00 1,078.65 0.00 0.00
Residual AR 0.00 6.500000% 0.00 0.00 0.00 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
Subordinate B1 9,567,610.27 6.500000% 8,815.55 51,824.56 60,640.11 0.00 0.00
B2 3,338,182.33 6.500000% 3,075.79 18,081.82 21,157.61 0.00 0.00
B3 1,558,345.78 6.500000% 1,435.85 8,441.04 9,876.89 0.00 0.00
B4 1,558,345.78 6.500000% 1,435.85 8,441.04 9,876.89 0.00 0.00
B5 890,907.07 6.500000% 820.88 4,825.75 5,646.62 0.00 0.00
B6 890,429.98 6.500000% 820.44 4,823.16 5,643.60 0.00 0.00
----------------------------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------------------
Totals - - 423,911,955.85 - 3,897,726.14 2,293,275.65 6,191,001.79 - -
----------------------------------------------------------------------------------------------------------------------------------
Class Information
--------------------------------------------------------------------------------
Ending Cert. Unpaid
Type Class Code Name Notional Bal. Interest
--------------------------------------------------------------------------------
Senior A1 113,899,151.15 0.00
A2 180,511,964.03 0.00
A3 11,106,786.31 0.00
A4 6,457,000.00 0.00
A5 5,000,000.00 0.00
A6 19,715,000.00 0.00
A7 45,000,000.00 0.00
A8 10,000,000.00 0.00
A9 2,571,000.00 0.00
A10 2,350,000.00 0.00
A11 1,295,000.00 0.00
A12 1,377,000.00 0.00
A13 2,407,000.00 0.00
APO 536,911.36 0.00
Residual AR 0.00 0.00
--------------------------------------------------------------------------------
Subordinate B1 9,558,794.71 0.00
B2 3,335,106.55 0.00
B3 1,556,909.93 0.00
B4 1,556,909.93 0.00
B5 890,086.20 0.00
B6 889,609.54 0.00
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Totals - - 420,014,229.70 -
--------------------------------------------------------------------------------
</TABLE>
<PAGE>
Payment Date: 06/25/00
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-4
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 A1 115,477,598.73 6.500000% 060506CT7 12.527362 4.964315 903.961517
A2 182,590,547.05 6.500000% 060506CU4 10.580885 5.034600 918.883791
A3 11,329,998.84 6.500000% 060506CV2 17.413991 4.787863 866.499166
A4 6,457,000.00 6.500000% 060506CW0 0.000000 5.416667 1,000.000000
A5 5,000,000.00 6.500000% 060506CX8 0.000000 5.416667 1,000.000000
A6 19,715,000.00 6.500000% 060506CY6 0.000000 5.416667 1,000.000000
A7 45,000,000.00 6.500000% 060506CZ3 0.000000 5.416667 1,000.000000
A8 10,000,000.00 6.250000% 060506DA7 0.000000 5.208333 1,000.000000
A9 2,571,000.00 6.750000% 060506DB5 0.000000 5.625000 1,000.000000
A10 2,350,000.00 6.750000% 060506DC3 0.000000 5.625000 1,000.000000
A11 1,295,000.00 6.750000% 060506DD1 0.000000 5.625000 1,000.000000
A12 1,377,000.00 6.750000% 060506DE9 0.000000 5.625000 1,000.000000
A13 2,407,000.00 6.750000% 060506DF6 0.000000 5.625000 1,000.000000
APO 537,990.01 0.000000% 060506DG4 1.885153 0.000000 938.357661
Residual AR 0.00 6.500000% 060506DH2 0.000000 0.000000 0.000000
------------------------------------------------------------------------------------------------------------------------
Subordinate B1 9,567,610.27 6.500000% 060506DJ8 0.911074 5.355990 987.887011
B2 3,338,182.33 6.500000% 060506DK5 0.911074 5.355990 987.887011
B3 1,558,345.78 6.500000% 060506DL3 0.911074 5.355990 987.887011
B4 1,558,345.78 6.500000% 060506DM1 0.911074 5.355990 987.887011
B5 890,907.07 6.500000% 060506DN9 0.911074 5.355990 987.887011
B6 890,429.98 6.500000% 060506DP4 0.911074 5.355990 987.887011
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
Totals - - 423,911,955.85 - - - - -
------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>
------------------------------------------------------------
BANK OF AMERICA MORTGAGE SECURITIES, INC.
MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-4
Bank of America, FSB, Master Servicer
------------------------------------------------------------
--------------------------------------------------------------------------------
COLLATERAL INFORMATION
--------------------------------------------------------------------------------
Total
-----
Prin balance 420,014,229.17 420,014,229.17
Loan count 1187 1187
Avg loan rate 7.064504% 7.06
Prepay amount 3,507,089.17 3,507,089.17
--------------------------------------------------------------------------------
FEES AND ADVANCES
--------------------------------------------------------------------------------
Total
-----
Master serv fees 188,201.56 188,201.56
Sub servicer fees 0.00 0.00
Trustee fees 1,413.04 1,413.04
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 4,500,148.00 4,500,148.00
Special Hazard 4,239,119.55 4,239,119.55
Aggregate Certificate Information
-----------------------------------------------------------------------------
Class Aggregate Aggregate Aggregate
Type Percentage Prepay Pct. End Cert. Bal.
-----------------------------------------------------------------------------
Senior 95.803821% 100.000000% 406,108,134.63
-----------------------------------------------------------------------------
Junior 4.196179% 0.000000% 17,787,416.86
-----------------------------------------------------------------------------
--------------------------------------------------------------------------------
DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period Loan Count Ending Stated Balance
------ ---------- ---------------------
30 to 59 days 1 388,585.93
60 to 89 days 1 414,769.35
90 or more 0 0.00
Foreclosure 0 0.00
Totals: 2 803,355.28
--------------------------------------------------------------------------------
<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 6,191,001.79 6,191,001.79
Principal remittance amount 3,897,726.14 3,897,726.14
Interest remittance amount 2,293,275.65 2,293,275.65
