NEW YORK (Standard&Poor's) Feb. 20, 2013--Standard&Poor's Ratings Services revised its rating outlook on debt issued by and for the Mayo Clinic, Minn. At the same time, Standard&Poor's assigned its 'AA' long-term rating to Mayo Clinic's $300 million series 2013 taxable bonds and affirmed its 'AA' long-term ratings and 'AA/A-1+' and 'AA/A-1' dual ratings on various debt issued for, or guaranteed by, the Mayo Clinic. (Watch the related CreditMatters TV segment titled, "The Mayo Clinic: Why Standard&Poor?s Revised The Outlook," dated Feb. 26, 2013.) "We revised the outlook to negative to reflect our opinion of Mayo Clinic's weaker operating performance, especially in the second half of 2012, and additional debt with this issue,
