Oct. 15, 2020 2018-XF2603 The Pennsylvania State University's series 2017A tax-exempt bonds 2018-XF2648 Michigan Finance Authority's (Trinity Health Credit Group) series 2017-MI-A hospital revenue and refunding bonds 2018-XF2651 Trenton Public Schools, Mich.'s (Wayne County) series 2018 unlimited-tax general obligation school-building-and-site bonds 2018-XF2653 Allegheny County, Pa.'s series C-77 general obligation bonds Bank of America N.A. FMSbonds Inc. BofA Securities Inc. S&P Global Ratings affirmed the above-mentioned ratings on the floater and residual receipts (collectively the receipts), following the replacement of the liquidity provider. The ratings reflect 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 floater receipts. Trust assets include all distributions of principal; interest; and