Aspen Insurance Holdings Limited (Aspen Holdings) is a Bermuda-based holding company. The Company operates in the global markets for property and casualty insurance and reinsurance. The Company operates in two segments: Aspen Insurance and Aspen Reinsurance (Aspen Re). The Company�s insurance segment is consisted of property, casualty, marine, energy and transportation insurance and financial and professional lines insurance. The Company�s reinsurance segment is consisted of property reinsurance (catastrophe and other), casualty reinsurance and specialty reinsurance. In the Company�s insurance segment, property, casualty and financial and professional lines insurance business is written in the London market.