Exhibit 99.12 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-J KEY PERFORMANCE FACTORS September 30, 1997 Expected B Maturity 12/16/02 Blended Coupon 5.9231% Excess Protection Level 3 Month Average 4.57% September, 1997 4.74% August, 1997 4.50% July, 1997 4.47% Cash Yield 17.46% Investor Charge Offs 4.80% Base Rate 7.92% Over 35 Day Delinquency 4.84% Seller's Interest 12.31% Total Payment Rate 12.46% Total Principal Balance $30,549,822,447.26 Investor Participation Amount $500,000,000.00 Seller Participation Amount $3,759,687,928.77