S&P Global Ratings assigned its 'A-1' short-term rating component on Colorado Springs, Colo.'s series 2006B variable-rate demand utilities system subordinate-lien improvement revenue bonds to form a rating of 'AA/A-1'. Formerly, the rating was 'AA'. S&P Global Ratings raised its short-term rating component on the city's series 2007B variable-rate demand utilities system improvement and refunding revenue bonds to 'AA/A-1' from 'AA/A-2'. The long-term component of the rating remains at 'AA'. The outlooks, applicable solely to the long-term components of the ratings, are stable. These actions reflect new enhancements for both bond series in the form of a standby bond purchase agreement (SBPA) from Helaba and a standby letter of credit (LOC) from Sumitomo Mitsui Banking Corp., substituting for prior SBPAs provided