PROPERTY CATASTROPHE REINSURANCE
Our property catastrophe reinsurance business reinsures catastrophic perils for ceding companies on a treaty basis. Our property catastrophe reinsurance contracts provide protection for most catastrophic losses that are covered in the underlying insurance policies written by our ceding company clients. The principal perils in our portfolio include hurricane and windstorm, earthquake, flood, tornado, hail and fire. Coverage for other perils may be negotiated on a case-by-case basis. This business is comprised of reinsurance contracts that incur losses only when events occur that impact more than one risk or insured. Protection under property catastrophe treaties is provided on an occurrence basis, allowing our ceding company clients to combine losses that have been incurred in any single event from multiple underlying policies. The multiple claimant nature of property catastrophe reinsurance requires careful monitoring and control of cumulative aggregate exposure.
Preferred data format for modeling purposes.

WORKERS COMPENSATION, PERSONAL ACCIDENT AND LIFE REINSURANCE
This business is almost exclusively focused on exposures in the United States and is virtually all written on an excess of loss basis. We focus on business that is exposed to severity losses and not expected to produce high levels of claims frequency. This business is written only at levels that would require multiple deaths or injuries to result in a loss. The treaties include limitations on the maximum amount of coverage for any one person and our attachment points are multiples of these stipulated maximum coverage limits. There is a potential for events that trigger property catastrophe claims, such as catastrophic earthquakes, also to result in injuries and deaths. We closely monitor the potential for accumulation within our businesses.
Preferred data format for modeling purposes.

PROPERTY PRO RATA TREATY REINSURANCE
Property pro rata treaty reinsurance is treaty insurance that covers a cedant’s aggregate losses from all events rather than losses from particular risks. Most of our pro rata treaty reinsurance contracts have occurrence limits. Property pro rata treaty reinsurance may contain significant risk of accumulation of exposures, both to natural and other perils. Our underwriting process explicitly recognizes these exposures. Natural perils, such as hurricane and windstorm, earthquake and flood, are analyzed through our catastrophe modeling systems. Other perils, such as fire and terrorism events, are considered based on historic loss and loss expense ratios experienced by cedants and monitored for cumulative aggregate exposure.

PROPERTY PER RISK TREATY REINSURANCE
Our property per risk treaty reinsurance business reinsures a portfolio of particular property risks of ceding companies on a treaty basis. For example, we could provide reinsurance to cover a cedent’s losses for damage to commercial property under individual policies. This business is comprised of a highly diversified portfolio of reinsurance contracts covering claims from individual insurance policies issued by our ceding company clients and including both personal lines and commercial property risks (principally covering buildings, structures, equipment and contents). Loss exposure in this business includes the perils of fire, explosion, collapse, riot, vandalism, hurricane and windstorm, tornado, flood and earthquake. This business is written on an excess of loss basis. Our property per risk treaty reinsurance agreements generally have occurrence limits.