OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best Co. has commented that the financial strength, issuer credit and debt ratings of ProAssurance Corporation (PRA) (Birmingham, AL) (NYSE:PRA) remain unchanged following the announcement of PRA’s proposed acquisition of Eastern Insurance Holdings, Inc. (EIHI) (Lancaster, PA) (NASDAQ:EIHI). Pursuant to...
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