S&P Global Ratings has assigned its 'AA/A-1+' long-term rating to Rochester, Minn.'s $62 million series 2011B health care facilities revenue bonds issued for the Mayo Clinic. S&P Global Ratings has also assigned its 'A-1+' commercial paper rating to Rochester, Minn.'s $88 million series 2011A health care facilities revenue bonds issued for the Mayo Clinic. Both series of bonds are backed by Mayo Clinic self-liquidity. Both issues are conversions of existing long-term 'AA' rated bonds. The outlook is stable where applicable. The 'A-1+' short-term component of the series 2011B bonds and the 'A-1+' commercial paper rating reflects our assessment of Mayo Clinic's self-liquidity and its procedures for providing the funds in a timely manner. The organization has ample and sufficient liquidity
