Standard&Poor's Ratings Services assigned its 'AA/A-1+' rating to Rochester, Minn.'s series 2008A-E health care facilities revenue bonds and Wisconsin Health and Educational Facilities Authority's series 2008 bonds issued for Mayo Clinic, Minn., formerly known as Mayo Foundation, and Luther Hospital, respectively, with the latter issue guaranteed by Mayo Clinic. In addition, Standard&Poor's revised its rating to 'AA/A-1+' from 'AA' as a result of the conversion of Rochester's series 2002A-C bonds from auction-rate mode to variable-rate demand obligation mode and the related addition of put/mandatory tender exposure in the event of a failed remarketing. Also, Standard&Poor's affirmed its 'AA' rating, and where applicable, its 'A-1+' short-term ratings on $1.31 billion of bonds issued by various
