Exhibit 99.1 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-C KEY PERFORMANCE FACTORS October 31, 1999 Expected B Maturity 11/15/01 Blended Coupon 5.6728% Excess Protection Level 3 Month Average 5.90% October, 1999 6.07% September, 1999 5.73% August, 1999 5.88% Cash Yield 18.61% Investor Charge Offs 4.68% Base Rate 7.86% Over 30 Day Delinquency 5.07% Seller's Interest 9.14% Total Payment Rate 14.64% Total Principal Balance $ 47,636,626,081.62 Investor Participation Amount $ 1,000,000,000.00 Seller Participation Amount $ 4,354,806,563.13