Exhibit 99.13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS October 31, 1997 Expected B Maturity 3/17/03 Blended Coupon 5.8608% Excess Protection Level 3 Month Average 4.87% October, 1997 5.31% September, 1997 4.77% August, 1997 4.54% Cash Yield 18.37% Investor Charge Offs 4.61% Base Rate 8.45% Over 35 Day Delinquency 4.76% Seller's Interest 13.78% Total Payment Rate 14.00% Total Principal Balance $31,941,631,051.83 Investor Participation Amount $700,000,000.00 Seller Participation Amount $4,401,496,533.34