Oct. 30, 2023 2023-XM1151 City and County of Denver, Colorado, for and on behalf of its Department of Aviation, airport system subordinate revenue bonds, series 2018A UBS AG, Stamford branch Mesirow Financial, Inc. UBS Financial Services Inc. UBS AG, Stamford branch Weekly S&P Global Ratings assigned the above-mentioned ratings to the custody, floater, and residual receipts (collectively the receipts), reflecting its opinion of the likelihood the trust, as custody receiptholder, 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 premiums, if any, from the custody receipts and liquidity facility, which is in place to support tender payments on floaters. The long-term component of