S&P Global Ratings assigned its 'AA-' long-term rating to the Oklahoma Development Finance Authority's (ODFA) ) $2.26 million master equipment lease revenue and refunding bonds, series 2021A (tax-exempt) and $440,000 master equipment lease revenue bonds, series 2021B (federally taxable). The outlook is stable. Lease-rental payments paid by the State Regents of the Oklahoma State System of Higher Education to ODFA, pursuant to a master equipment lease purchase agreement and a separate supplemental indenture between Oklahoma State System of Higher Education (the lessee) and ODFA (the lessor) secure the series 2021A bonds and series 2021B bonds. The lease-rental payments are subject to annual appropriation by the Oklahoma Legislature to the Oklahoma State System of Higher Education, and are allocated by the