Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS FEBRUARY, 1999 Expected B Maturity 12/15/06 Blended Coupon 5.1870% Excess Protection Level 3 Month Average 5.80% February, 1999 6.02% January, 1999 5.41% December, 1998 5.97% Cash Yield 17.82% Investor Charge Offs 5.13% Base Rate 6.68% Over 35 Day Delinquency 5.38% Seller's Interest 9.80% Total Payment Rate 13.67% Total Principal Balance $ 40,800,539,305.60 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 3,998,619,787.11