ACE Limited is a holding company that provides a broad range of insurance and reinsurance products to insureds worldwide through operations in the United States and almost 50 other countries. The Company derives its revenue principally from premiums, fees and investment income. The Company entered the property catastrophe reinsurance market in 1996 with the acquisition of Tempest Reinsurance Company Ltd. and added to its existing market position when it acquired CAT Limited in 1998. The Company also entered the Lloyds market in 1996, which broadened its international exposure through Lloyds worldwide insurance licenses. The Company entered the United States market in early 1998 with the acquisition of the Westchester group. In 1999, the Company acquired the international and domestic property and casualty businesses of CIGNA Corporation. In 1999, it also acquired Capital Re Corporation, which added depth, expertise and new products to its financial reinsurance capabilities.