Exhibit 99.1 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-C KEY PERFORMANCE FACTORS March 31, 2000 Expected B Maturity 11/15/01 Blended Coupon 6.2954% Excess Protection Level 3 Month Average 5.74% March, 2000 5.78% February, 2000 6.08% January, 2000 5.37% Cash Yield 19.39% Investor Charge Offs 4.70% Base Rate 8.92% Over 30 Day Delinquency 4.65% Seller's Interest 8.73% Total Payment Rate 15.20% Total Principal Balance $ 49,480,326,758.32 Investor Participation Amount $ 1,000,000,000.00 Seller Participation Amount $ 4,321,526,239.83