One of many grades given by Standard & Poor. See www.standardandpoors.com <http://www.standardandpoors.com> Verified 2-3-2005. AAA is the highest grade given to debt obligations. CCC is the lowest. Moody’s, another grading agency uses Aaa, Aa, A, Baa with the use of C as the lowest rating grade. See www.moodys.com <http://www.moodys.com> Verified 2-3-2005.