Exhibit 99.28 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-I KEY PERFORMANCE FACTORS October 31, 1997 Expected B Maturity 8/16/04 Blended Coupon 6.4832% Excess Protection Level 3 Month Average 4.07% October, 1997 5.44% September, 1997 2.71% August, 1997 N/A Cash Yield 18.37% Investor Charge Offs 4.61% Base Rate 8.32% Over 35 Day Delinquency 4.76% Seller's Interest 13.78% Total Payment Rate 14.00% Total Principal Balance $31,941,631,051.83 Investor Participation Amount $750,000,000.00 Seller Participation Amount $4,401,496,533.34