NEW YORK (Standard&Poor's) April 6, 2006--Standard&Poor's Ratings Services assigned its 'AA' long-term rating and stable outlook on $250 million health care facilities revenue bonds, series 2006, issued by various issuers for Mayo Clinic, Minn., reflecting Mayo's strong business position as the nation's largest multi-specialty group practice, rising system-wide patient demand, and very strong financial performance and debt service coverage. In addition, Standard&Poor's affirmed its 'AA' long-term rating on $1.22 billion in debt, its "A-1+" short-term ratings where applicable, and "AA"/A-1" rating on $90 million health care facilities revenue bonds series 2000A, all issued for Mayo, formerly known as Mayo Foundation. The 'AA' long-term rating also reflects Mayo's world-renowned reputation for excellence in patient care,
