Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-L KEY PERFORMANCE FACTORS JANUARY, 1999 Expected B Maturity 12/15/99 Blended Coupon 5.4524% Excess Protection Level 3 Month Average 5.77% January, 1999 5.53% December, 1998 6.08% November, 1998 5.69% Cash Yield 18.25% Investor Charge Offs 4.95% Base Rate 7.77% Over 35 Day Delinquency 5.29% Seller's Interest 8.19% Total Payment Rate 14.12% Total Principal Balance $ 40,086,865,639.98 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 3,284,946,121.49