Standard&Poor's Ratings Services confirmed its 'AA/A-1+' rating on Rochester, Minn.'s (Mayo Clinic) series 2000B, 2000C, and 2008B hospital variable-rate demand obligation bonds, due to the issues' bank facilities being extended to Jan. 7, 2015; Jan. 8, 2017; and Jan. 24, 2015, respectively. The long-term component of the rating is based on the rating on the obligor, Mayo Clinic. The short-term component of the rating is based on the ratings on the issues' liquidity providers: U.S. Bank National Association for series 2000B, Wells Fargo Bank N.A. for 2000C, and Northern Trust Co. (The) for 2008B. The negative outlook is based on the outlook on the obligor. USPF Criteria: Bank Liquidity Facilities, June 22, 2007
