MEXICO CITY–(BUSINESS WIRE)– #insurance–AM Best has upgraded the Financial Strength Rating to A- (Excellent) from B++ (Good) and the Long-Term Issuer Credit Rating to “a- “(Excellent) from “bbb+” (Good) of Patria Re (US), Inc. (Patria US) (Charleston, SC). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect Patria US’ balance sheet strength, which AM Best assesses as very strong, as well as its adequate operating performance, limited business profile and appropriate enterprise ri