Exhibit 4.1 MBNA AMERICA BANK, NATIONAL ASSOCIATION Seller and Servicer and THE BANK OF NEW YORK Trustee on behalf of the Series 2001-B Certificateholders -- SERIES 2001-B SUPPLEMENT Dated as of March 8, 2001 to POOLING AND SERVICING AGREEMENT Dated...Pooling and Servicing Agreement • May 15th, 2001 • Mbna America Bk Nat Assoc Mbna Master Credit Card Trust Ii • Asset-backed securities • New York
