OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating of A+ (Superior) and the issuer credit ratings of “aa-” of Banner Life Insurance Company (Banner Life) (Frederick, MD) and William Penn Life Insurance Company of New York (William Penn) (Garden City, NY). Banner Life and William Penn are collectively referred to as the Legal & General America Group (LGA) and represent the U.S. operations of the ultimate parent, Legal & General Group Plc (L&G), a wor