On Oct. 31, 2007, Standard&Poor's Ratings Services lowered its counterparty credit and senior debt ratings on UnitedHealth Group Inc. (UNH) to 'A-' from 'A', and lowered its subordinated debt and commercial paper ratings by one-notch (see ratings list). The outlook is stable. At the same time, Standard&Poor's affirmed its 'A+' counterparty credit and financial strength ratings on operating units United HealthCare Insurance Co. and Golden Rule Insurance Co. and affirmed its 'A' counterparty credit and financial strength ratings on UNH's other operating units. The outlook is stable. The ratings actions follow the announcement earlier today that UNH may migrate to a more debt-intensive capital profile. Increased debt would be used for share repurchases, M&A activity, and