Payment Date: 02/25/01 ------------------------------------------------------------ BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-6 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 81,652,392.49 6.250000% 634,421.24 425,272.88 1,059,694.11 0.00 0.00 A2 128,108,514.83 6.250000% 1,203,148.70 667,231.85 1,870,380.55 0.00 0.00 A3 8,614,000.00 6.250000% 0.00 44,864.58 44,864.58 0.00 0.00 A4 38,124,019.61 6.250000% 155,370.65 198,562.60 353,933.25 0.00 0.00 APO 517,659.13 0.000000% 2,447.96 0.00 2,447.96 0.00 0.00 Residual AR 0.00 6.250000% 0.00 0.00 0.00 0.00 0.00 - ---------------------------------------------------------------------------------------------------------------------------------- Subordinate B1 2,098,219.24 6.250000% 8,551.08 10,928.23 19,479.31 0.00 0.00 B2 979,666.12 6.250000% 3,992.53 5,102.43 9,094.96 0.00 0.00 B3 979,666.12 6.250000% 3,992.53 5,102.43 9,094.96 0.00 0.00 B4 560,208.69 6.250000% 2,283.07 2,917.75 5,200.83 0.00 0.00 B5 280,570.41 6.250000% 1,143.44 1,461.30 2,604.74 0.00 0.00 B6 420,138.44 6.250000% 1,712.23 2,188.22 3,900.45 0.00 0.00 - ---------------------------------------------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------------------------------------- Totals - - 262,335,055.08 - 2,017,063.42 1,363,632.27 3,380,695.69 - - - ---------------------------------------------------------------------------------------------------------------------------------- Class Information - -------------------------------------------------------------------------------- Ending Cert. Unpaid Type Class Code Name Notional Bal. Interest - -------------------------------------------------------------------------------- Senior A1 81,017,971.25 0.00 A2 126,905,366.13 0.00 A3 8,614,000.00 0.00 A4 37,968,648.96 0.00 APO 515,211.17 0.00 Residual AR 0.00 0.00 - -------------------------------------------------------------------------------- Subordinate B1 2,089,668.16 0.00 B2 975,673.59 0.00 B3 975,673.59 0.00 B4 557,925.62 0.00 B5 279,426.97 0.00 B6 418,426.21 0.00 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- Totals - - 260,317,991.66 - - -------------------------------------------------------------------------------- Payment Date: 02/25/01 ------------------------------------------------------------ BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-6 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 81,652,392.49 6.250000% 060506EW8 6.782860 4.546768 866.196650 A2 128,108,514.83 6.250000% 060506EX6 7.979868 4.425407 841.698223 A3 8,614,000.00 6.250000% 060506EY4 0.000000 5.208333 1,000.000000 A4 38,124,019.61 6.250000% 060506EZ1 3.798793 4.854831 928.328826 APO 517,659.13 0.000000% 060506FA5 4.366930 0.000000 919.088024 Residual AR 0.00 6.250000% 060506FB3 0.000000 0.000000 0.000000 - ------------------------------------------------------------------------------------------------------------------------ Subordinate B1 2,098,219.24 6.250000% 060506FC1 3.798792 4.854831 928.328814 B2 979,666.12 6.250000% 060506FD9 3.798792 4.854831 928.328820 B3 979,666.12 6.250000% 060506FE7 3.798792 4.854831 928.328820 B4 560,208.69 6.250000% 060506FF4 3.798792 4.854831 928.328812 B5 280,570.41 6.250000% 060506FG2 3.798792 4.854831 928.328816 B6 420,138.44 6.250000% 060506FH0 3.798792 4.854831 928.328804 - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ Totals - - 262,335,055.08 - - - - - - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------ BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-6 Bank of America, FSB, Master Servicer ------------------------------------------------------------ - -------------------------------------------------------------------------------- COLLATERAL INFORMATION - -------------------------------------------------------------------------------- Total ----- Aggregated stated principal balance 260,317,991.71 260,317,991.71 Aggregated loan count 756 756 Aggregated average loan rate 6.793869% 6.79 Aggregated prepayment amount 947,899.95 947,899.95 - -------------------------------------------------------------------------------- FEES AND ADVANCES - -------------------------------------------------------------------------------- Total ----- Monthly master servicing fees 120,336.50 120,336.50 Monthly sub servicer fees 0.00 0.00 Monthly trustee fees 874.45 874.45 Aggregate advances N/A N/A Advances this periods 0.00 0.00 - -------------------------------------------------------------------------------- LOSSES & INSURANCE COVERAGES - -------------------------------------------------------------------------------- Total ----- Net realized losses (this period) 0.00 0.00 Cumulative losses (from Cut-Off) 0.00 0.00 Coverage Amounts Total - ---------------- ----- Bankruptcy 0.00 0.00 Fraud 3,000,863.98 3,000,863.98 Special Hazard 0.00 0.00 Aggregate Certificate Information ----------------------------------------------------------------------------- Class Aggregate Aggregate Aggregate Type Percentage Prepay Pct. End Cert. Bal. ----------------------------------------------------------------------------- Senior 97.980738% 100.000000% 257,016,586.06 ----------------------------------------------------------------------------- Junior 2.019262% 0.000000% 5,296,794.14 ----------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 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 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 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 3,380,695.69 3,380,695.69 Principal remittance amount 2,017,063.42 2,017,063.42 Interest remittance amount 1,363,632.27 1,363,632.27