Exhibit 99.34 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-D KEY PERFORMANCE FACTORS August 31, 1998 Expected B Maturity 7/15/2003 Blended Coupon 5.8448% Excess Protection Level 3 Month Average 4.18% August, 1998 4.18% July, 1998 N/A June, 1998 N/A Cash Yield19.83% Investor Charge Offs 4.99% Base Rate10.67% Over 35 Day Delinquency 5.00% Seller's Interest11.64% Total Payment Rate14.21% Total Principal Balance$37,775,682,964.86 Investor Participation Amount$559,000,000.00 Seller Participation Amount$4,395,888,446.37 * For purposes of calculating the Base Rate and Excess Protection Level, a Coupon of 8.67% (31/360) was used. The Base Rate was calculated using a 31 day monthly period, 7/30/98-8/31/98.