SINGAPORE–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A+ (Superior) and the Long-Term Issuer Credit Rating of “aa-” of United Overseas Insurance Limited (UOI) (Singapore). The outlook of these Credit Ratings (ratings) is stable. UOI is a subsidiary of United Overseas Bank Limited (UOB). The ratings reflect UOI’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its very strong operating performance, neutral business profile and appropri