NEW YORK (S&P Global Ratings) April 7, 2020--S&P Global Ratings lowered its ratings on 15 tender-option bond trust issues floaters and residuals for FMSbonds Inc.'s series 2016-ZF0500, 2017-ZM0509, 2016-XF0499, 2017-XF2419, 2017-XF2419, 2015-ZF0218, and 2017-XF0591 and Mesirow Financial Inc.'s series 2017-ZM0509, related to various underlying bonds, to 'A-' and 'A-/A-2', respectively, from 'A' and 'A/A-1'. This rating action follows S&P Global Ratings lowering its ratings on the underlying bonds. (Please see the article, titled "Metropolitan Transportation Authority, NY Revenue Bond Rating Lowered To 'A-' On Pandemic's Effects," published March 24, 2020, on RatingsDirect.) The long-term component of the ratings on the floaters and the ratings on the residuals reflect the rating on the underlying bonds and S&P Global Ratings' expectation of