S&P Global Ratings raised its long-term rating to'CCC'from'D'on the Norman Regional Hospital Authority (NRHA), Oklahoma's series 2016, 2017, and 2019 revenue bonds, issued for Norman Regional Health System (NRHS). The outlook is negative. The upgrade reflects NRHS'Oct. 16, 2026, principal and interest payment on the above bonds, which was originally scheduled for Sept. 1, 2026. The debt service payment was funded by the series 2026 senior bonds (unrated), which were placed with a group of ad hoc holders of the outstanding bonds. A gross revenue pledge of the obligated group secures the bonds. In addition, NRHS'master trust indenture (MTI) was amended and supplemented with the series 2026 financing such that all rated bonds (and