Exhibit 99.24 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-M KEY PERFORMANCE FACTORS October 31, 2000 Expected B Maturity 10/15/02 Blended Coupon 6.9360% Excess Protection Level 3 Month Average 5.81% October, 2000 6.14% September, 2000 5.76% August, 2000 5.53% Cash Yield 19.62% Investor Charge Offs 4.51% Base Rate 8.97% Over 30 Day Delinquency 5.23% Seller's Interest 10.66% Total Payment Rate 14.07% Total Principal Balance $56,359,968,018.99 Investor Participation Amount $750,000,000.00 Seller Participation Amount $6,009,277,457.50