Dec. 21, 2017 2017-XF0595 Michigan Finance Authority's series 2017-MI-A hospital revenue and refunding bonds (Trinity Health Credit Group) Bank of America N.A. FMSbonds Inc. Merrill Lynch, Pierce, Fenner,&Smith 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. The long-term component of our rating on the floaters reflects the ratings on the underlying securities