Exhibit 99.34 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-D KEY PERFORMANCE FACTORS February 28, 1999 Expected B Maturity 7/15/2003 Blended Coupon 5.7914% Excess Protection Level 3 Month Average 5.97% February, 1999 6.11% January, 1999 5.85% December, 1998 5.97% Cash Yield17.82% Investor Charge Offs 5.13% Base Rate 6.59% Over 35 Day Delinquency 5.38% Seller's Interest 9.80% Total Payment Rate13.67% Total Principal Balance$40,800,539,305.60 Investor Participation Amount$559,000,000.00 Seller Participation Amount$3,998,619,787.11