Exhibit 99.1 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-C KEY PERFORMANCE FACTORS March 31, 2001 Expected B Maturity 11/15/01 Blended Coupon 5.4752% Excess Protection Level 3 Month Average 7.42% March, 2001 7.99% February, 2001 7.40% January, 2001 6.85% Cash Yield 20.67% Investor Charge Offs 4.83% Base Rate 7.84% Over 30 Day Delinquency 4.90% Seller's Interest 7.37% Total Payment Rate 14.60% Total Principal Balance $ 56,622,749,044.91 Investor Participation Amount $ 1,000,000,000.00 Seller Participation Amount $ 4,172,058,483.42