Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-D KEY PERFORMANCE FACTORS January 31, 1998 Expected B Maturity 05/15/01 Blended Coupon 5.7767% Excess Protection Level 3 Month Average 4.98% January, 1998 4.79% December, 1997 5.24% November, 1997 4.93% Cash Yield 17.84% Investor Charge Offs 4.71% Base Rate 8.35% Over 35 Day Delinquency 4.85% Seller's Interest 16.09% Total Payment Rate 13.52% Total Principal Balance $34,907,536,752.65 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $5,616,202,234.16