Exhibit 99.23 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS FEBRUARY, 1997 Expected B Maturity 12/15/06 Blended Coupon 5.6872% Excess Protection Level 3 Month Average 4.35% February, 1997 5.34% January, 1997 3.35% December, 1996 N/A Cash Yield 16.84% Investor Charge Offs 4.37% Base Rate 7.13% Over 35 Day Delinquency 4.65% Seller's Interest 16.44% Total Payment Rate 12.64% Total Principal Balance $ 25,119,592,718.23 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 4,129,965,199.74