Platinum Underwriters Holdings, Ltd. (Platinum Holdings) is a Bermuda-based holding company. The Company, together with its subsidiaries, provides property and marine, casualty and finite risk reinsurance coverages, through reinsurance intermediaries, to a diverse clientele of insurers and select reinsurers on a worldwide basis. The Company has organized its worldwide reinsurance business around three operating segments: Property and Marine, Casualty, and Finite Risk. The Property and Marine operating segment includes property and marine coverages that are written in the United States and international markets. The Casualty operating segment includes reinsurance treaties that cover umbrella liability, general and product liability, professional liability, workers' compensation, casualty clash, automobile liability, surety, trade credit and political risk. The Finite Risk operating segment includes structured reinsurance contracts with ceding companies.