Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-C KEY PERFORMANCE FACTORS January 31, 1999 Expected B Maturity 11/15/01 Blended Coupon 5.3523% Excess Protection Level 3 Month Average 5.61% January, 1999 5.55% December, 1998 5.69% November, 1998 5.59% Cash Yield 18.21% Investor Charge Offs 4.95% Base Rate 7.71% Over 35 Day Delinquency 5.29% Seller's Interest 8.19% Total Payment Rate 14.12% Total Principal Balance $ 40,086,865,639.98 Investor Participation Amount $ 1,000,000,000.00 Seller Participation Amount $ 3,284,946,121.49