04:36:53 PM EXHIBIT 99. 15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-C KEY PERFORMANCE FACTORS SEPTEMBER, 1996 Expected B Maturity 04/16/01 Blended Coupon 5.6829% Excess Protection Level 3 Month Average 5.24% September, 1996 5.35% August, 1996 5.73% July, 1996 4.62% Cash Yield 17.10% Investor Charge Offs 4.26% Base Rate 7.49% Over 35 Day Delinquency 4.20% Seller's Interest 12.02% Total Payment Rate 12.77% Total Principal Balance $19,745,890,253.60 Investor Participation Amount $500,000,000.00 Seller Participation Amount $2,373,962,735.11