LONDON–(BUSINESS WIRE)–A.M. Best has maintained the under review status with negative implications for the Long-Term Issuer Credit Rating (Long-Term ICR) of “bbb” of Sirius International Group, Ltd. (SIG) (Bermuda). In addition, A.M. Best has maintained the under review status with negative implications for the Financial Strength Ratings of A (Excellent) and the Long-Term ICRs of “a” of SIG’s main subsidiaries: Sirius Bermuda Insurance Company Ltd. (Bermuda), Sirius International Insurance Co