Jan. 19, 2017 2017-XM0472 Trinity Health Credit Group Michigan Finance authority series 2017 hospital revenue and refunding bonds Citibank N.A. Mesirow Financial Inc. Citigroup Global Markets Inc. S&P Global Ratings assigned the above mentioned ratings to the floater and residual receipts (collectively the receipts), reflecting its 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 ratings on the floaters reflects the ratings on the underlying securities and addresses full and timely