NORTHBROOK, Ill.--(BUSINESS WIRE)--The Allstate Corporation (NYSE: ALL) today announced fourth quarter estimated catastrophe losses, prior year reserve reestimates and implemented rates. Allstate’s estimated catastrophe losses were below the $150 million reporting threshold for December 2023. Total catastrophe losses for the fourth quarter were $68 million, pre-tax. Unfavorable prior year reserve reestimates, excluding catastrophes, totaled $199 million in the fourth quarter, with approximately $148 milli ...