OREANDA-NEWS. A.M. Best has upgraded the issuer credit ratings (ICR) to “aa” from “aa-” and affirmed the financial strength rating (FSR) of A+ (Superior) of the property/casualty members of Erie Insurance Group (Erie). The outlook for the ICRs has been revised to stable from positive, while the outlook for the FSR remains stable. All companies are domiciled in Erie, PA, unless otherwise specified.