S&P Global Ratings assigned its 'AA+' long-term rating to the City of Portage, Mich.'s series 2019 capital improvement limited-tax general obligation (GO) bonds. At the same time, S&P Global Ratings affirmed its 'AA+' rating on the city's existing GO bonds, including bonds issued for the city through the Portage Building Authority and the Portage Local Development Finance Authority, and its 'AA+' rating on the city's Michigan Transportation Fund (MTF) bonds outstanding. The outlook on all the ratings is stable. The 2019 bonds are secured by a pledge of the city's full faith, credit, and resources and an agreement to levy ad valorem property taxes within state limitations. We rate the limited-tax GO debt at the same level as our view