1/3/2018 2018-XF2521 New York State Urban Development Corporation state personal income tax revenue bonds (general purpose), series 2017C 2018-XF2522 New York City Municipal Water Finance Authority Water and Sewer System second general resolution revenue bonds, fiscal 2013 series BB Citibank, N.A. FMSbonds, Inc. Citigroup Global Markets Inc. S&P Global Ratings assigned the above-mentioned ratings to the floater and residual receipts (collectively the receipts), reflecting S&P Global Ratings' opinion of the likelihood the trust will have sufficient assets to pay timely interest and full principal when due on the receipts. Trust assets include all distributions of principal; interest; and premiums, if any, from the underlying securities and the liquidity facility, which is in place to support tender payments on the floaters.