Exhibit 99.1 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-C KEY PERFORMANCE FACTORS February 29, 2000 Expected B Maturity 11/15/01 Blended Coupon 6.1710% Excess Protection Level 3 Month Average 5.31% February, 2000 6.08% January, 2000 5.37% December, 1999 4.47% Cash Yield 18.80% Investor Charge Offs 4.75% Base Rate 7.97% Over 30 Day Delinquency 5.01% Seller's Interest 9.54% Total Payment Rate 14.30% Total Principal Balance $ 48,263,301,515.80 Investor Participation Amount $ 1,000,000,000.00 Seller Participation Amount $ 4,604,500,997.31