Endurance Specialty Holdings Ltd. is a holding company with operating subsidiaries based in Bermuda, the United Kingdom and the United States. The Company focuses on writing specialty lines of commercial property and casualty insurance and reinsurance on a global basis. Endurance defines specialty lines as those lines of insurance and reinsurance that require dedicated, specialized underwriting skills and resources in order to be profitably underwritten. The Companys portfolio of specialty lines of business is organized into six segments: property per risk treaty reinsurance, property catastrophe reinsurance, casualty treaty reinsurance, property individual risk, casualty individual risk and other specialty lines.