The Hanover Insurance Group, Inc. announced a preliminary estimate for second quarter catastrophe losses of approximately $262 million, before taxes, or 18.5 points of net earned premium. Second quarter catastrophe losses stemmed from 19 convective storms across multiple states, with hail damage representing the majority of reported losses and primarily impacting the company?s Personal Lines business. The Hanover also expects to report an after-tax net loss per basic share of $1.94 and operating loss per basic share of $1.91 for the second quarter.