Standard&Poor's Ratings Services affirmed its 'AA-/A-1+' rating on Rochester, Minn.'s (Mayo Clinic) hospitality variable-rate demand obligation bonds series 2000C, 2001A, 2001B, 2001C, 2001D, and 2008B,due to their bank facilities being extended to Jan. 11, 2012, Jan. 20, 2012, Jan. 20, 2012, Jan. 20, 2012, Jan. 20, 2012, and Jan. 28, 2012, respectively. The long-term component of the rating on all the series of bonds is based on Mayo Clinic. The short-term component of the rating on series 2000C, 2001A, 2001D, and 2008B is based on Wells Fargo Bank N.A. The short-term component of the rating on series 2001B is based on the Northern Trust Co. The short-term component of the rating on series 2001C is based on U.S.