Aspen InsuranceHoldings Ltd.'s initial estimate for second-quarter pretax natural catastrophelosses is about $65 million, net of reinsurance and reinstatement premiums.

About 75% of the losses are attributed to the company's reinsurancesegment, with the remaining 25% being attributed to its insurance segment. The largestevents impacting the loss estimates for the quarter were the , which accounted forabout 50% of the total initial pretax loss estimate; several weather-related eventsin the U.S., about 36% of the estimate; and several earthquakes, the largest inKumamoto, Japan, at about 14% of the estimate.