On Feb. 26, 2008, Standard&Poor's Ratings Services affirmed its 'A-' counterparty credit rating on UnitedHealth Group Inc. (NYSE:UNH) and its various counterparty credit and financial strength ratings on UNH's subsidiaries. (These subsidiaries are rated 'A', except for United HealthCare Insurance Co. and Golden Rule Insurance Co., which are rated 'A+'.) The outlook on UNH and its subsidiaries remains stable. At the same time, Standard&Poor's raised its counterparty credit rating on Sierra Health Services Inc. to 'A-' from 'BB+' and removed it from CreditWatch, where it was placed on March 12, 2007, with positive implications. The outlook on Sierra is also stable. These rating actions follow the completion of UNH's acquisition of Sierra and reflect Sierra's new
