Exhibit 99.49 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-H KEY PERFORMANCE FACTORS March 31, 2001 Expected B Maturity 8/16/2010 Blended Coupon 5.5112% Excess Protection Level 3 Month Average 7.36% March, 2001 7.95% February, 2001 7.34% January, 2001 6.79% Cash Yield20.67% Investor Charge Offs 4.83% Base Rate 7.88% Over 30 Day Delinquency 4.90% Seller's Interest 7.37% Total Payment Rate14.60% Total Principal Balance$56,622,749,044.91 Investor Participation Amount$700,000,000.00 Seller Participation Amount$4,172,058,483.42