OREANDA-NEWS. A.M. Best has upgraded the financial strength rating (FSR) to C++ (Marginal) from C+ (Marginal) and the issuer credit rating (ICR) to “b” from “b-” of First Chicago Insurance Company (FCIC) (Chicago, IL). The ratings consider the consolidated operating results of First Chicago Insurance Company and its wholly owned subsidiary, United Security Health and Casualty Company (USH&C) (Bedford Park, IL). Concurrently, A.M. Best has affirmed the FSR of C- (Weak) and the ICR of “cc” of USH&C. The outlooks for each of these ratings are stable.