Catlin Group Limited (Catlin) is a holding company. The Company, through its subsidiaries, underwrites specialty classes of insurance and reinsurance. The Group writes a range of products, including property, casualty, energy, marine and aerospace insurance and property, catastrophe and per-risk excess, among others. The Company operates in four segments: London, Bermuda, United States and International. London, which comprises direct insurance and reinsurance business originating in the United Kingdom and in the London wholesale market; Bermuda, which primarily underwrites reinsurance business; United States, which underwrites direct insurance and reinsurance business originating in the United States and Latin America; and International, which comprises the Group�s Asia-Pacific, Europe and Canada underwriting hubs, which provide a complement of insurance and reinsurance services for their markets.