OREANDA-NEWS. A.M. Best has revised the issuer credit rating (ICR) and the Mexico National Scale Rating (NSR) outlooks to stable from negative and affirmed the financial strength rating (FSR) of A (Excellent), the ICR of “a+” and the NSR of “aaa.MX” of XL Seguros México, S.A. de C.V. (XLSM) (Mexico City). The outlook for the FSR remains stable.