On November 30, 2004, Anthem, Inc. acquired WellPoint Health Networks Inc. and Anthem, Inc. changed its name to WellPoint, Inc. Accordingly, fourth quarter and full year 2005 financial results include operations of the combined company for the entire periods. Fourth quarter and full year 2004 financial results, however, only include operations of the former WellPoint Health Networks Inc. for the one month ended December 31, 2004.
On December 28, 2005, WellPoint, Inc. acquired WellChoice, Inc. For accounting purposes, the transaction was assumed to have closed on December 31, 2005. Accordingly, fourth quarter and full year 2005 income statement and operating cash flow results do not include operations of the former WellChoice, Inc. However, balance sheet and membership information as of December 31, 2005, does include the former WellChoice, Inc.