Exhibit 99.47 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-A KEY PERFORMANCE FACTORS April 30, 2000 Expected B Maturity 02/15/2005 Blended Coupon 7.4063% Excess Protection Level 3 Month Average 3.73% April, 2000 5.26% March, 2000 2.19% February, 2000 N/A Cash Yield18.08% Investor Charge Offs 4.70% Base Rate 8.12% Over 30 Day Delinquency 4.72% Seller's Interest10.74% Total Payment Rate13.82% Total Principal Balance$52,271,464,953.72 Investor Participation Amount$750,000,000.00 Seller Participation Amount$5,612,664,435.23