OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has commented that the financial strength rating of A++ (Superior) and the issuer credit ratings (ICR) of "aa+" of the members of MedPro Group (MedPro) (headquartered in Fort Wayne, IN), are unchanged following MedPro's recently announced acquisition of PLICO, Inc. (PLICO) (Oklahoma City, OK). The ratings apply to The Medical Protective Company (Fort Wayne, IN), its affiliate, Princeton Insurance Company (Princeton, NJ) and its two reinsured affiliates,