Exhibit 99.45 MBNA MASTER CREDIT CARD TRUST II SERIES 1999-J KEY PERFORMANCE FACTORS November 30, 1999 Expected B Maturity 09/15/2009 Blended Coupon 7.0937% Excess Protection Level 3 Month Average 4.74% November, 1999 5.51% October, 1999 3.97% September, 1999 N/A Cash Yield18.33% Investor Charge Offs 4.89% Base Rate 7.93% Over 30 Day Delinquency 5.02% Seller's Interest 8.52% Total Payment Rate14.09% Total Principal Balance$48,461,894,441.68 Investor Participation Amount$1,000,000,000.00 Seller Participation Amount$4,130,074,923.19