S&P Global Ratings affirmed its 'AAA' long-term rating on the Loudoun County Economic Development Authority, Va.'s Series 2022 revenue bonds and series 2019A fixed rate capital appreciation revenue bonds both issued for Howard Hughes Medical Institute (HHMI), Md. In addition, S&P Global Ratings affirmed its 'AAA/A-1+' issuer credit rating (ICR) on Howard Hughes Medical Institute. S&P Global Ratings also affirmed its 'AAA/A-1+' dual rating on various series of bonds issued by either Loudoun County Industrial Development Authority, Va. or Maryland Economic Development Corp. on behalf of HHMI. The outlook is stable. HHMI's general obligation, full-faith-and-credit pledge secures the bonds. As of the latest audited fiscal year end (FYE) Aug. 31, 2023, HHMI had approximately $1.1 billion of debt outstanding including
