Exhibit 99.17 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS September 30, 1999 Expected B Maturity 10/15/03 Blended Coupon 5.5757% Excess Protection Level 3 Month Average 5.93% September, 1999 5.82% August, 1999 5.94% July, 1999 6.02% Cash Yield 18.00% Investor Charge Offs 4.60% Base Rate 7.58% Over 30 Day Delinquency 4.90% Seller's Interest 6.99% Total Payment Rate 14.16% Total Principal Balance $45,780,732,257.76 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $3,198,912,739.2