Hanover InsuranceGroup Inc. expects its Chaucer segment to produce an estimated second-quartercombined ratio of 103% to 105%.

Major catastrophe and large loss events impacting Chaucer's second-quarterresults include the FortMcMurray, Alberta, wildfires; the earthquakes in Ecuador and Japan;the turret malfunction at the Jubilee oil field; and the Brussels airport terroristattack, which occurred in the first quarter.

Results were also affected by loss activity in trade credit coverageswithin the marine line and foreign exchange movements, the company said.

Aspen InsuranceHoldings Ltd., XL GroupPlc and Assurant Inc.have also disclosed estimatedcatastrophe for the second quarter.