01:38:15 PM EXHIBIT 99. 15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-C KEY PERFORMANCE FACTORS MAY, 1996 Expected B Maturity 04/16/01 Blended Coupon 5.6087% Excess Protection Level 3 Month Average 4.09% May, 1996 4.87% April, 1996 3.31% March, 1996 N/A Cash Yield 17.22% Investor Charge Offs 4.18% Base Rate 8.17% Over 35 Day Delinquency 3.94% Seller's Interest 19.77% Total Payment Rate 10.90% Total Principal Balance $16,437,071,773.79 Investor Participation Amount $500,000,000.00 Seller Participation Amount $3,249,196,773.79