Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-E KEY PERFORMANCE FACTORS January 31, 1999 Expected B Maturity 4/15/02 Blended Coupon 5.1523% Excess Protection Level 3 Month Average 5.88% January, 1999 5.81% December, 1998 6.12% November, 1998 5.72% Cash Yield 18.21% Investor Charge Offs 4.95% Base Rate 7.45% 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 $750,000,000.00 Seller Participation Amount $3,284,946,121.49