EXHIBIT 4.5 FIRST AMENDMENT TO SERIES 2003-1 INDENTURE SUPPLEMENT This First Amendment to Series 2003-1 Indenture Supplement, dated as of November 17, 2003 (this "Amendment"), by and between FIRST NATIONAL MASTER NOTE TRUST, a Delaware statutory...Series 2003-1 Indenture Supplement • November 19th, 2003 • First National Funding LLC • Asset-backed securities
