OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has downgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “a” from “a+” and affirmed the Financial Strength Rating (FSR) of A (Excellent) of Antilles Insurance Company (Antilles) (San Juan, PR). The outlook of these Credit Ratings (ratings) has been revised to negative from stable. The rating actions reflect a significant decline in Antilles’ policyholders’ surplus, primarily driven by significant stockholder dividends, unrealized capital los