OREANDA-NEWS. A.M. Best has assigned an issue rating of “a-” to the $500 million 2.875% 10-year senior unsecured notes, due Sept. 15, 2026, issued by Ameriprise Financial, Inc. (Ameriprise Financial) (headquartered in Minneapolis, MN) [NYSE: AMP]. The outlook assigned to the rating is stable. All other ratings of Ameriprise Financial and its subsidiaries are unchanged.