Exhibit 99.49 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-D KEY PERFORMANCE FACTORS June 30, 2000 Expected B Maturity 4/16/07 Blended Coupon 6.9013% Excess Protection Level 3 Month Average 3.15% June, 2000 3.15% May, 2000 N/A April, 2000 N/A Cash Yield18.49% Investor Charge Offs 4.13% Base Rate11.21% Over 30 Day Delinquency 4.60% Seller's Interest12.05% Total Payment Rate14.03% Total Principal Balance$54,839,173,315.51 Investor Participation Amount$850,000,000.00 Seller Participation Amount$6,607,972,797.02 For the purpose of calculating Base Rate and Excess Protection Level, a Coupon of 9.21% (50/360) was used. The Base Rate was calculated using a 50 day monthly period, 5/11/00 - 6/30/00.