NEW YORK--(BUSINESS WIRE)--Fitch Ratings assigns the following rating to the First National Master Note Trust, series 2015-1 credit card asset-backed floating rate class A note: --$300,000,000 class A notes 'AAAsf'; Outlook Stable. KEY RATING DRIVERS Fitch's rating is based on the underlying receivables pool, available credit enhancement, First National Bank of Omaha's underwriting and servicing capabilities, and the transaction's legal and cash flow structures, which employ early amortization