OVERVIEW Citibank Credit Card Issuance Trust (Citiseries Class 2018-A5)'s issuance is an ABS transaction backed by an undivided investor interest in Citibank Credit Card Master Trust I's series 2000 collateral certificate, which in turn is collateralized by credit card receivables from VISA, MasterCard, and American Express revolving credit card accounts that are originated and serviced by Citibank N.A. We assigned our 'AAA (sf)' rating to the class 2018-A5 notes. The rating reflects our view of the transaction's credit support, underlying payment structure, cash flow mechanics, and legal structure, among other factors. TORONTO (S&P Global Ratings) Aug. 8, 2018--S&P Global Ratings today assigned its 'AAA (sf)' rating to Citibank Credit Card Issuance Trust's (Citiseries Class 2018-A5) $375 million floating-rate Citiseries class