Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-C KEY PERFORMANCE FACTORS December 31, 1999 Expected B Maturity 7/15/05 Blended Coupon 6.5317% Excess Protection Level 3 Month Average 5.45% December, 1999 4.49% November, 1999 5.77% October, 1999 6.09% Cash Yield 19.14% Investor Charge Offs 5.04% Base Rate 9.61% Over 30 Day Delinquency 4.63% Seller's Interest 11.35% Total Payment Rate 14.35% Total Principal Balance $49,947,826,881.37 Investor Participation Amount $575,000,000.00 Seller Participation Amount $5,671,007,362.88