S&P Global Ratings assigned its 'AAA' rating to Austin, Texas' series 2022 issuances of $155.7 million public improvement and refunding bonds, $59.915 million taxable public-improvement bonds, $16.495 million taxable certificates of obligation, and $9.255 million public property finance contractual obligations. At the same time, S&P Global Ratings affirmed its 'AAA' rating on the city's general obligation (GO) debt and certificates of obligation outstanding. S&P Global Ratings also affirmed its 'AA+' rating on Mueller Local Government Corp., Texas' appropriation debt, supported by the city. The outlook is stable. Each of the four proposed 2022 series are a direct obligation of the city, payable from a continuing, direct annual ad valorem tax levied, within the limits prescribed by law, on all taxable