SCHEDULE TO MONTHLY SERVICER'S CERTIFICATE MONTHLY PERIOD ENDING September 30, 2004 BANK OF AMERICA, NATIONAL ASSOCIATION (USA) BA MASTER CREDIT CARD TRUST SERIES 2001-A 1. The aggregate amount of the Investor Percentage of Collections of Principal Receivables $114,195,908.39 --------------- 2. The aggregate amount of the Investor Percentage of Collections of Finance Charge Receivables (excluding Interchange) $ 9,992,106.37 --------------- 3. The aggregate amount of the Investor Percentage of Interchange $ 1,639,060.80 --------------- 4. The aggregate amount of Servicer Interchange $ 833,333.33 --------------- 5. The aggregate amount of funds on deposit in Finance Charge Account allocable to the Series 2001-A Certificates $ 10,797,833.87 --------------- 6. The aggregate amount of funds on deposit in the Principal Account allocable to the Series 2001-A Certificates $114,195,908.39 --------------- 7. The aggregate amount of funds on deposit in the Principal Funding Account allocable to the Series 2001-A -Certificates $ 0.00 --------------- 8. The aggregate amount to be withdrawn from the Finance Charge Account pursuant to Section 4.11 and distributed to the Collateral Interest Holder in accordance with subsection 5.01 (c) $ 5,324,031.10 --------------- 9. The Collateral Interest on the Transfer Date of the current calendar month, after giving effect to the deposits and withdrawals specified above, is equal to $ 64,000,000.00 --------------- 10. The amount of Monthly Interest, Deficiency Amounts and Additional Interest payable to the (i) Class A Certificateholders $ 1,090,400.00 --------------- (ii) Class B Certificateholders $ 71,000.00 --------------- (iii) Collateral Interest Holder $ 144,533.33 --------------- 11. The amount of principal payable to the (i) Class A Certificateholders $ 0.00 --------------- (ii) Class B Certificateholders $ 0.00 --------------- (iii) Collateral Interest Holder $ 0.00 --------------- 12. The sum of all amounts payable to the (i) Class A Certificateholders $ 1,090,400.00 --------------- (ii) Class B Certificateholders $ 71,000.00 --------------- (iii) Collateral Interest Holder $ 144,533.33 --------------- 13. To the knowledge of the undersigned, no Series 2001-A Pay Out Event or Trust Pay Out Event has occurred except as described below: None IN WITNESS WHEREOF, the undersigned has duly executed and delivered this Certificate this 15th day of October, 2004 BANK OF AMERICA, NATIONAL ASSOCIATION (USA) TRANSFEROR AND SERVICER By: /s/ Brian P. Sterling ----------------------------- Name: Brian P. Sterling ----------------------------- Title: Vice President -------------------------