Exhibit 99.44 MBNA MASTER CREDIT CARD TRUST II SERIES 1999-G KEY PERFORMANCE FACTORS August 31, 1999 Expected B Maturity 07/15/2004 Blended Coupon 6.3410% Excess Protection Level 3 Month Average 4.14% August, 1999 4.14% July, 1999 N/A June, 1999 N/A Cash Yield18.93% Investor Charge Offs 4.48% Base Rate10.31% Over 30 Day Delinquency 4.81% Seller's Interest 7.19% Total Payment Rate14.37% Total Principal Balance$46,158,397,644.87 Investor Participation Amount$750,000,000.00 Seller Participation Amount$3,316,578,126.38 For the purposes of calculating Base Rate and Excess Protection Level, a Coupon of 8.31% (32/360) was used. The Base Rate was calculated using a 32 day monthly period, 7/29/1999 - 8/31/1999.