Exhibit 99.37 MBNA MASTER CREDIT CARD TRUST II SERIES 1999-H KEY PERFORMANCE FACTORS February 28, 2001 Expected B Maturity 4/15/2004 Blended Coupon 6.0238% Excess Protection Level 3 Month Average 4.81% February, 2001 7.22% January, 2001 7.00% December, 2000 0.21% Cash Yield19.50% Investor Charge Offs 4.62% Base Rate 7.66% Over 30 Day Delinquency 5.13% Seller's Interest 8.26% Total Payment Rate13.44% Total Principal Balance$57,174,868,500.05 Investor Participation Amount$1,000,000,000.00 Seller Participation Amount$4,724,177,938.56