Payment Date: 03/25/01 ------------------------------------------------------------ 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 81,017,971.25 6.250000% 660,681.68 421,968.60 1,082,650.28 0.00 0.00 A2 126,905,366.13 6.250000% 1,258,012.55 660,965.45 1,918,978.00 0.00 0.00 A3 8,614,000.00 6.250000% 0.00 44,864.58 44,864.58 0.00 0.00 A4 37,968,648.96 6.250000% 156,739.65 197,753.38 354,493.03 0.00 0.00 APO 515,211.17 0.000000% 2,313.97 0.00 2,313.97 0.00 0.00 Residual AR 0.00 6.250000% 0.00 0.00 0.00 0.00 0.00 - ---------------------------------------------------------------------------------------------------------------------------------- Subordinate B1 2,089,668.16 6.250000% 8,626.41 10,883.69 19,510.09 0.00 0.00 B2 975,673.59 6.250000% 4,027.70 5,081.63 9,109.33 0.00 0.00 B3 975,673.59 6.250000% 4,027.70 5,081.63 9,109.33 0.00 0.00 B4 557,925.62 6.250000% 2,303.19 2,905.86 5,209.05 0.00 0.00 B5 279,426.97 6.250000% 1,153.51 1,455.35 2,608.86 0.00 0.00 B6 418,426.21 6.250000% 1,727.31 2,179.30 3,906.62 0.00 0.00 - ---------------------------------------------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------------------------------------- Totals - - 260,317,991.66 - 2,099,613.66 1,353,139.48 3,452,753.14 - - - ---------------------------------------------------------------------------------------------------------------------------------- Class Information - -------------------------------------------------------------------------------- Ending Cert. Unpaid Type Class Code Name Notional Bal. Interest - -------------------------------------------------------------------------------- Senior A1 80,357,289.58 0.00 A2 125,647,353.58 0.00 A3 8,614,000.00 0.00 A4 37,811,909.32 0.00 APO 512,897.20 0.00 Residual AR 0.00 0.00 - -------------------------------------------------------------------------------- Subordinate B1 2,081,041.75 0.00 B2 971,645.89 0.00 B3 971,645.89 0.00 B4 555,622.43 0.00 B5 278,273.46 0.00 B6 416,698.89 0.00 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- Totals - - 258,218,378.00 - - -------------------------------------------------------------------------------- Payment Date: 03/25/01 ------------------------------------------------------------ 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 81,017,971.25 6.250000% 060506EW8 7.063621 4.511441 859.133029 A2 126,905,366.13 6.250000% 060506EX6 8.343752 4.383845 833.354471 A3 8,614,000.00 6.250000% 060506EY4 0.000000 5.208333 1,000.000000 A4 37,968,648.96 6.250000% 060506EZ1 3.832265 4.835046 924.496560 APO 515,211.17 0.000000% 060506FA5 4.127909 0.000000 914.960115 Residual AR 0.00 6.250000% 060506FB3 0.000000 0.000000 0.000000 - ------------------------------------------------------------------------------------------------------------------------ Subordinate B1 2,089,668.16 6.250000% 060506FC1 3.832255 4.835046 924.496559 B2 975,673.59 6.250000% 060506FD9 3.832255 4.835046 924.496565 B3 975,673.59 6.250000% 060506FE7 3.832255 4.835046 924.496565 B4 557,925.62 6.250000% 060506FF4 3.832255 4.835046 924.496557 B5 279,426.97 6.250000% 060506FG2 3.832255 4.835046 924.496561 B6 418,426.21 6.250000% 060506FH0 3.832255 4.835046 924.496549 - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ Totals - - 260,317,991.66 - - - - - - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------ BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, Series 1999-6 Bank of America, FSB, Master Servicer ------------------------------------------------------------ - -------------------------------------------------------------------------------- COLLATERAL INFORMATION - -------------------------------------------------------------------------------- Total ----- Prin balance 258,218,377.99 258,218,377.99 Loan count 754 754 Avg loan rate 6.793343% 6.79 Prepay amount 1,024,947.68 1,024,947.68 - -------------------------------------------------------------------------------- FEES AND ADVANCES - -------------------------------------------------------------------------------- Total ----- Master serv fees 115,794.98 115,794.98 Sub servicer fees 0.00 0.00 Trustee fees 867.73 867.73 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 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 97.973489% 100.000000% 255,021,197.52 ----------------------------------------------------------------------------- Junior 2.026511% 0.000000% 5,274,928.32 ----------------------------------------------------------------------------- - -------------------------------------------------------------------------------- DELINQUENCY INFORMATION - -------------------------------------------------------------------------------- Period Loan Count Ending Stated Balance - ------ ---------- --------------------- 30 to 59 days 1 357,229.80 60 to 89 days 0 0.00 90 or more 0 0.00 Foreclosure 0 0.00 Totals: 1 357,229.80 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 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 3,452,753.14 3,452,753.14 Principal remittance amount 2,099,613.66 2,099,613.66 Interest remittance amount 1,353,139.48 1,353,139.48