Standard&Poor's Ratings Services affirmed its 'AA/A-1+' rating on Rochester, Minn.'s $90 million series 2000A health care facilities revenue bonds, issued on behalf of the Mayo Foundation (Mayo). The outlook is stable. The 'AA' long-term component of the rating reflects the credit strength of Mayo and its unique business position as one of the world's largest integrated health delivery systems headquartered in Rochester. The 'A-1+' short-term component of the rating reflects the sufficiency of Mayo's investment portfolio to guarantee the timely purchase of any variable-rate demand obligations so secured that are tendered in the unlikely event of a failed remarketing. These bonds are currently secured by an SBPA from JPMorgan Chase Bank--successor to The Chase Manhattan Bank--dated as of
